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Monday Monologue: Pre-amps and Holy Grail Audio

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Skunkie Designs Electronics

Skunkie Designs Electronics

Күн бұрын

Today I talk about pre-amps and why easily 80% of people using one shouldn't be.
I also share what finding "Holy Grail Sound" is like and why I believe this is what most of us are chasing. Sadly, most of the time a setup that gives a glorious reproduction of one album, likely won't be perfect for every type of music you enjoy.
Here is the cart I mention in the video:
amzn.to/3K89FAW
And here is the Yes Fragile pressing:
store.acoustic...
Here is a link to my new FB page:
www.facebook.c...
Seriously people, BEHAVE! I will ban/block anyone who acts like a jerk in any way! No politics, no "social issues", no personal attacks on anyone about anything! I have zero tolerance for that stuff. Stick to audio discussions and lets have fun.
I also have a forum on my website, same rules apply:
www.skunkiedes...
You can send me links and messaged at:
www.skunkiedes...
You can direct email me at stephe@skunkiedesigns.com
Here is my Patreon, as well as the donation page at my site, if you feel so inclined to help fund some of the future projects for the channel!
www.patreon.co...
www.skunkiedes...
Here is where you can buy T-shirts and other Merch with my fun logo.
skunkie-design...

Пікірлер: 101
@NickP333
@NickP333 3 ай бұрын
Hey Stephe 👋 A friend of mine named Patrick, has a channel called pbthal (The Vinyl Archivist) who has ripped over 10,000 records. He’s got an uncanny ability to remember matrix numbers and which pressings generally have the “best” sound. This is of course a very subjective thing, but he does shootouts of different pressings where you just choose your favorite sounding ones, and the results are often what you wouldn’t have expected. He actually did a YES one a while back. Sometimes it’s a very common easily accessible pressing. I’d leave a link, but YT would just take it down. He’s easy to find on YT.
@dennismag
@dennismag 3 ай бұрын
Hi Stephe. Love the topic, and a big reason I follow you. Synergy in the path is important, and makes a difference in sound. Pairing the right input device, preamp, power amp, cables, and (importantly) speakers should be optimized to the music, and the room. And, ALL of that needs to fit what each of us likes to hear. Ha, for us older folks, what we are still capable of hearing. Anyone who criticizes what gear someone else has, without actually listening to it in their space, is short-sighted.
@frankgeeraerts6243
@frankgeeraerts6243 3 ай бұрын
Indeed ...............what's more , thesame amplifier with the same speakers and source can behave and sound very different in another friends home.......in fact the amplifier does listen to the room acoustics........speakers are also microphones ( and NFB can make it even worse........) Some amplifiers ( "mostly" very high quality SET ) are even capable of extending the rioom by pushing back the walls........asthoning experience (but often at a price) . Only the results are valid...........your ears and soul will tell you. Have a nice day
@S.G.N.713
@S.G.N.713 3 ай бұрын
Great points! I have three speciality preamps on my three systems and I still appreciated all your insights. Really enjoyed hearing them!
@gerihifi
@gerihifi 2 ай бұрын
I see this stupidness many times as well in the Audiophile scene (i'm also one of them). Thanks a lot bringing that up. I can tell you by heart: many enthusiast just follow blindly YT reviews and never think about to learn some basics. It took me also some years and yes, I understand we are not all nerds about gear, but be serious to understand SOME fundamentals! So to differentiate between integrated and non integrated is quite important. Yes, I do own pretty expensive preamps and yes they make a huge difference in MY chain, but I'm using SS Monos (power amp) and strictly love to have the sources properly aligned in the preamp, as well precise volume control. THANKS!!
@albanana683
@albanana683 3 ай бұрын
There are a number of reasons I use a pre-amp. It has a built in phono stage. It has one input selector switch for Phono/Tuner/CD/Tape 1/Tape 2. As well as a volume control (obviously), it has a stepped attenuator balance control. It has an output channel selector switch for Left/Right/Stereo/Mono/Reverse. There are two tape loops, and two output RCA sockets. It is a single, simple to operate piece of equipment. I can't imagine what kind of rats nest of wiring I would need if I had to remove it, and provide the same functionality with individual switches and pots.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
But my whole point was: if using this negatively impacts the sound quality and/or provides unwanted gain, do our systems exist for convenience or to sound good?
@albanana683
@albanana683 3 ай бұрын
@@SkunkieDesignsElectronics If it was a poorly implemented design, then maybe. I'm pretty sure my Conrad Johnson preamp is not in that group. Matching the gain, unless I've missed something, is simply a matter of turning the volume knob.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
You are missing something, throwing away gain to then just reamplify it is never going to sound better then never having thrown that gain away to start with.
@1mctous
@1mctous 3 ай бұрын
I switch in my Schiit Loki for poor recordings, hearing the loss of transparency but getting a more pleasant tonal balance. Most of the time I bypass the EQ circuit.
@rickg8015
@rickg8015 3 ай бұрын
Hi Stephe.. I’m still partial to a really good take no prisoners preamp.. Passives can sound sublime, but usually hit or miss to implement in a system (I prefer Inductive Volume controls, TVC or AVC..) I like them with some Lowther-based systems for example, or really efficient speakers (horn-loaded or not..) Usually amps with really High Mu and/or High Transconductance driver stages (WE 437A, or the low gm WE 310A pentode..)
@whome8192
@whome8192 3 ай бұрын
The worst thing that happened to audio equipment in the last 10 years or so, is the loss of tone controls. I just do not hear the Vail, I hear more enjoyable music. Many speakers have complex impedances, many tube amps output level changes with frequency and those impedance changes. We test with a resistive load, but our audio drivers are not resistive, and with crossovers, and it is worse. So we see people “matching” amplifiers and speakers because of impedance mismatches. Meanwhile, just like You adjust the tone of the R8 by making it less bright, by adding capacitance to the global negative feedback, I often use tone controls. Please do not hate on tone controls. You don’t hate on the extra amplification stages of phone pre-amps, so why hat on when I add tone controls to a digital source. Or use the EQ in a streamer.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Because phono stages need extra amplification to get to line level. If you follow my channel, I'm not a fan of digital sources or streamers either. I hear a veil and less enjoyable music whenever I have introduced tone controls into an analog stream. And honestly an R8 is far from a reference amp, I rarely if ever listen to the one I have because like the other point I made in this video, using a 45W amp when I need 2-3W is a bad idea sonically.
@VyacheslavFuzik
@VyacheslavFuzik 2 ай бұрын
Thanks a lot for again very precious words for music gears' amateurs. Watched this video 3 times to comprehend and "feel the vein" of the theme thoroughly (- I'm from Moscow (RF) and Engl is not my native). This urges me to reconfigure my several music systems following your wise and very logical advice. With some of your previous videos you also urged me to buy a Digilent AD 3 kit to take an objective view of my existing gears, The kit appeared not so cheap, though, I'd say: abt USD 590 (it has to travel via Israel with the help of my friend there....) The promoted "Fragile" of the Yes immediately generated some simliar remeniciencies from my youth: "Not Fragile" (Bachman-Turner...) and their "You Ain't Seen Nothing Yet". Or "You" and "My Impersonal Life" by Three Dog Night. Have a pleasure to listen, I'm sure you will also remember the sweet times. Wish you stable good health, Stephe.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 2 ай бұрын
Thanks for the note!
@markmorrow3250
@markmorrow3250 3 ай бұрын
Interesting topic. I guess at the end of the day, everyone has a different idea of what a perfect sound is. And I agree completely that certain gear plays well together then other gear. But you have to be careful with blanket statements about gear. For example, that moderate to high power amplifies don’t sound as good at low power levels. I agree that some amps are like that. I have heard speakers like that as well, but there are plenty of 45 to 70 watt or more amps that can really sing at low power. Conrad- Johnson has several, Quicksilver are two that I recall from my audio retail days. I also did some mods on a friend’s MK3 Dynaco’,s and they were great at low power, after the mods. Stock they were soft on the bottom, they lacked slam, but the mids and highs were nice. And I must admit, I didn’t crank them when they were stock to see if they sounded better than at lower power.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
I stick by my rule of thumb, if you are never going to need more than 2W, why buy a 45-50W KT88 PP amp? Which goes back to my point, if you are gonna run a PP tube amp with a huge amount of global negative feedback, why even use tubes?
@markmorrow3250
@markmorrow3250 3 ай бұрын
@@SkunkieDesignsElectronics I love that you stick to your guns.🙂 I just am always cautious about blanket statements, things are seldom black and white. I have two pair of 2A3 SET mono amps and I love them, but I also have a C-J premier 11 as well as a SS A/B and a class D amp that I use, and they are all fun to listen to, and bring their own sound to the party. I do use a pre-amp. With the tube amps I use a tube unit, but with the SS amps I use a buffered ladder unit. The tube gear just doesn’t work well with the ladder unit, not having gain, the tube amps are just wanting more Getty up. Just a synergy thing.
@pnichols6500
@pnichols6500 3 ай бұрын
I use the preamp in my solid state integrated amp to the R8 because I run a sub, and my preamp has excellent sub control. It has adjustable crossovers so I can send whatever frequencies to the sub and R8. This frees up the R8 from having to drive the lower frequencies, and gives me total control of the bass volume. I can run either one by itself, or the two together. So that's one reason to do it. I also have tone controls on the preamp with a bypass switch, I agree with you on that, but occasionally have an older album that tone controls actually improve the listening experience.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
It's probably a bad pressing, better to hunt down a better copy if it's something you like. I know a lot of people do things like you are doing, I still think it's a bad idea to add more stuff in the signal path.
@pnichols6500
@pnichols6500 3 ай бұрын
@@SkunkieDesignsElectronics You are right about that, but I've got a few that have sentimental value.
@mfr58
@mfr58 3 ай бұрын
Well done for finding the sweet spot for Fragile, it's a difficult recording to reproduce satisfactorily....
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Yeah it is but WOW when it hits the sweet spot.
@gerihifi
@gerihifi 2 ай бұрын
Would also love about your opinion about: tube driver stage and power amp separation as many very highend brands are offèring. I'd some discussion with a very experienced Tube DIY'er in Austria and he built some astonishing, non-standard tube gear for me. He always said to me: driver stage is the most important one and highest impact in sound/sonics. Power amp is straight forward. Sorry, i'm not an enginner 😊 Thanks a lot!!
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 2 ай бұрын
From what I have seen NONE of these amp actually "separate" anything with these "pre-amp" inputs, they simply bypass the volume control. None bypass the driver stage, because an external pre-amp does not have the voltage swing needed to directly drive an output tube. If there is any change in input sensitivity, it's via a voltage divider resistor setup, not "bypassing" any of the existing stages of the tube amp, that's just not how a tube amp works. If you want an actual tube power amp, you need to buy an actual tube power amp, not these faux ones being sold as "convertible" amps.
@gerihifi
@gerihifi 2 ай бұрын
@@SkunkieDesignsElectronics thank you very much for your expertise! Perfect, therefore my DIYerr friend built power amp (1xRV258 + 2x RGN1404) only, with a dedicated drive stage 😉
@chrislj2890
@chrislj2890 2 ай бұрын
I never thought about having too much power for the speakers. I have the Zu Audio DW6 rated at 95 dB sensitivity and my Cayin MT-12N EL84EH (10wpc) was more than enough for them. But I just got a Willsenton R8 (revised) and it performs great, but I don't normally go above the 9'o'clock position because my wife gets po'd. Since I didn't have a separate phono pre-amp I was running the turntable through my Yamaha integrated amp to use its phono stage which worked, but then I got an iFi ZEN Phono 3 to run into the R8 and it's excellent. Oh and I am using that same Audio-Technica AT-OC9XML cartridge and I think it was well worth the $600.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 2 ай бұрын
you should hear it run through some vintage RCA step up transformers and a tube phono stage!
@chrislj2890
@chrislj2890 2 ай бұрын
@@SkunkieDesignsElectronics Well I'm going to have to try something other than the iFi Zen Phono 3 because twice now it's refused to turn on until I unplug it for awhile. It's a shame because I did like it. Thanks for the suggestion.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 2 ай бұрын
www.darlingtonlabs.com/shop/p/mm6b is another GREAT option, they also have models that work with MM or MC carts.
@chrislj2890
@chrislj2890 2 ай бұрын
@@SkunkieDesignsElectronics Thanks, I will check them out.
@thelowprofile9767
@thelowprofile9767 3 ай бұрын
I watch your videos even if I understand only 10%-60% of what you are saying. 😄 Keep it up.
@matytinman
@matytinman 3 ай бұрын
Many say the best (original) pressing is.. Yes - Fragile (1981) Vinyl, Atlantic, UK DR Peak RMS Duration Track -------------------------------------------------------------------------------- DR12 -0.83 dB -15.74 dB 8:37 A1 Roundabout DR13 -2.56 dB -19.32 dB 1:43 A2 Cans And Brahms DR10 -3.02 dB -15.30 dB 1:40 A3 We Have Heaven DR11 -1.50 dB -16.24 dB 7:58 A4 South Side Of The Sky DR13 -2.29 dB -18.05 dB 0:38 B1 Five Percent For Nothing DR13 -1.42 dB -16.90 dB 3:33 B2 Long Distance Runaround DR13 -0.85 dB -16.80 dB 2:41 B3 The Fish (Shindleria Praematurus) DR14 -5.07 dB -22.66 dB 3:03 B4 Mood For A Day DR12 -1.65 dB -17.02 dB 11:27 B5 Heart Of The Sunrise -------------------------------------------------------------------------------- Number of tracks: 9 Official DR value: DR12
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
I might try to hunt one of those down to compare. The older pressing I picked up sounded VERY muddy.
@matytinman
@matytinman 3 ай бұрын
@@SkunkieDesignsElectronics Tomorrow or the next day I will try to upload it to KZfaq in 4K / AAC 192kbps quality but I suspect it will be blocked. Right now it is processing another album, Spanish: Joaquin Sabina y Viceversa - En Directo (1986) Vinyl x2, Ariola, Spain
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Found when should be a decent copy online at a somewhat reasonable cost to give it a listen. Thanks for the heads up!
@stevenscott9524
@stevenscott9524 3 ай бұрын
I really enjoy your show... and The Yes 😎
@riccardogariboldi8537
@riccardogariboldi8537 3 ай бұрын
Start with SPL you want; given the efficiency of the ldspkrs find the pwr amp power needed. Then given the voltage gain of the pwr amp find the needed voltage at the input of the pwr amp. Most of the time this value is less than a line level of a typical source... So there's no need to pre-amplify, rather to pre-attenuate 😂 I think that having the volume ctrl set to 8 or 9 at normal listening levels makes people believe to have a large amount of reserve in SPL...set aside that at 11 maybe the pwr amp Is already into clipping...set aside the tracking error of the two sections of the logpot of the volume...set aside the fact that the more you gain the more you distort
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
AMEN, 100% agree on all of this!!!
@terryife8823
@terryife8823 2 ай бұрын
Very interesting, Steph. I have a pair of Klipsch Forte III's and am wondering what the best amp would be for them, I'm currently using a Bottlehead Tube Pre amp going into a Solid State Optonica SM-4646. Any thoughts would be great.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 2 ай бұрын
Depends somewhat on you listening levels. Folks rave about that Decware UFO84 with those speakers, my EL34 amp should also sound good with them.
@kobush18
@kobush18 3 ай бұрын
Nice 👍 agree with you great insight 👍
@hershbagelstein545
@hershbagelstein545 3 ай бұрын
I’ll share my pre amp experience: I have a Brinkmann Nyquist DAC going directly to a Decware 341. The best I could do was high 70 Dba. I added a VTL pre amp and it was magic. So how much difference should anyone expect from tube rolling pre amp tubes? Ps The wisdom in this episode should be mandatory for all. Most Excellent.
@frankgeeraerts6243
@frankgeeraerts6243 3 ай бұрын
Most ( integrated amplifiers ) have to much gain....Full power at 9 or 10 o'clock , this is a region were the volume pot does not performs in it's optimal range ... Some believe that the amplifier is so powerfull because the latitude of the volume knob is so low...with all risks of saturation and blowing up the tweeters ( at a party night ) A PP amplifier by ity's nature eats away part of the harmonic context of the music and sounds ( pair harmonics ) .........so instead of what we call adding distortion is rather trying to restore the natural harmonic context with adding primordialy second/pair hamonics as delivers a ( tube) preamp can deliver..it is one of the reasons why often a preamp gives a more musical perfomance to the system....... Another reason is adapting impedance and giving more current ability rather than gain...some sources have enough voltage output but lack current drive. best way may be what is called a buffer preamp , no gain only current gain and lower output impedance..( with volume knob if necessary , just like a regular preamp) But the simplest and defined as the correct way is the one Steph defends ............preamp + real power amp. Low level distortion on high sensitivity and or higher output power amps is mostly HARD distortion on power levels below 1 watt caused by the use of overal NFB......even if the amp does measure perfectly on the >>THD testing at higher output levels.. It is indeed correct to ,match the choosen speaker and the rightfull needed amp to drive the speaker......and inverse to choose a speaker adapted to the amplifier you love. sometimes some lower the output of a preamp or the input sensitivity of the amplifier by a resistive voltage divider or a potentiometer ..........but that is not the correct way to do it and is loosing gain (spoiling/trow away ) ... only to be amplified again after..... something like pusshing the gasspedal while having a foot on the brakes . Have a very nice day
@1mctous
@1mctous 3 ай бұрын
The higher the gain, the greater the pain, all else being equal.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
100% Great info as always Frank.
@frankgeeraerts6243
@frankgeeraerts6243 3 ай бұрын
@@SkunkieDesignsElectronics ALWAYS A PLEASURE STEPH , I always look out for your videos .......you're one of a kind , appreciated and inspiring for and by many people who ,love music , to try and build something thanks to you and that will reward the joy of listening to their music and reward themselves . One very important point of your voyage into the shared experience is that you both test and use your ears ...thanks
@johnh539
@johnh539 3 ай бұрын
Perfect timing! I am getting closer to ordering as simple and nice sounding single ended amp as possible (hint). My RME ADI 2 DAC claims to work especially well as a pre amp due to a step ladder output configuration. Frankly I don't doubt it. Questions: 1) do you agree? 2) Can a single ended amp use both a KT88 and voltage amplifier type, valve paring and a EL34 type paring or would that have to be two separate amps? FYI having spent years upgrading my system, Integrated valve amp expensive speakers etc the biggest single sound improvement of all of them came just last fortnight when I plugged my wiim pro into my new Sbooster mk 2 (with upgrade). I don't know that I have ever understood what Sibilance means ? I think in essence that it is an inclusion of other frequencies in any given frequency; Or to put it another way why when you are outside a room and you hear a voice you can instantly tell if it is human or not.(Volume aside of course). If that is the definition then I have got rid of it , Tambor is perfect. This separation of frequencies' does in my opinion make the sound seem thinner as many have said. If say you are listening to a 12000 hz note that now has no trace of say a 700 hz influence it loses some warmth but I changed my sub crossover from 40 to 120 hz and I have achieved the fantisy sound I have strived for. (Thus next step single ended amp) All the best ❤
@johnh539
@johnh539 3 ай бұрын
Thanks but as I am hoping to buy a single ended amp I hope you can answer question 2 at least .(Ref KT88 and EL34) sorry for repeating the request.
@davegrant9179
@davegrant9179 3 ай бұрын
Do I feel another awesome preamp build coming soon? Hope so!
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Maybe it's time to do a tube buffer style?
@S.G.N.713
@S.G.N.713 3 ай бұрын
Yes please!!​@@SkunkieDesignsElectronics
@frederickvilamil2022
@frederickvilamil2022 2 ай бұрын
@@SkunkieDesignsElectronics That would be so awesome! Trying to find diagrams for unity gain tube preamps and it's so hard, almost all of have a gain stage, and that's not needed in my case
@mddawson1
@mddawson1 3 ай бұрын
I am one of those people who use a preamp with my R8. The R8s remote volume control doesn't have a fine enough action, it either goes too loud or too quiet when adjusting the volume so I use the preamp in my DAC instead.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
But what you need is a passive pre-amp with a remote, not a preamp with gain. And honestly, how often are you adjusting the volume while listening? I've never felt any desire for a remote with my audio system.
@mddawson1
@mddawson1 3 ай бұрын
@@SkunkieDesignsElectronics I agree with you when listening to albums but I tend to listen to favourite tracks that usually have different recording levels. It is quite a shock going from the Cocteau Twins 'Pandora' to SOHN's 'Antigravity'
@SuperMcgenius
@SuperMcgenius 3 ай бұрын
I was gonna make a comment, but I stopped myself and thought what is your system speakers in the room. I think this would be a good way of being transparent and understanding your viewpoints better. What volume do you listen to music? For myself, most of my volume was things are between 75 and 85 dB but sometimes I will listen to music in the high 90s and then to 100 in my system will reproduce in room from 22 Hz and above. I’m not trying to be judgmental. I just wanna know where you stand all the best. Looking forward to an answer😊
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
None of that changes my advice in this video. And I can promise you people ARE judgmental on audio gear.
@SuperMcgenius
@SuperMcgenius 3 ай бұрын
@@SkunkieDesignsElectronics , yes people are cruelly judgemental, regarding preamps in my system I found more deep bass drive. The rig goes down below 25 hz. Aesthetic preamp with new old stock, tubes, VTL ST 150, diy pass labs phono pre amp , Burson dac, Vandersteen model five.
@kubockferre5532
@kubockferre5532 3 ай бұрын
hi skunkie id like to know where you buy the microphone cable you use in your amp .thanks
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
I've just been using this stuff: amzn.to/3Vbnoxs
@hitchpaprocki2649
@hitchpaprocki2649 3 ай бұрын
I don't know. I sure appreciate advice. I got a Mcintosh c200 preamp. It was at the time "the best preamp Mcintosh knew how to make. I like the XLR ins and outs. Muzishare makes one(w7) with a xlr in. That sounds appealing to me. I'm married to that preamp but always want new gear. Right?
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
I would be VERY hesitant to assume the implementation of XLR inputs and outputs on a China tube amp are done well. My personal experience is they sound really bad. Do you like XLR in and out based on listening tests or theory? I honestly see no value if you are using anything near reasonable length cables.
@hitchpaprocki2649
@hitchpaprocki2649 3 ай бұрын
@SkunkieDesignsElectronics I know. XLR cable is cool! Any tiny advantage. I overpaid for a Jolida 302crc integrated amp because of the XLR input. I'm taking in my Anthem Statement A2 power amp for component upgrades. That's a good amp! Thanks
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
You made my point, people believe XLR always = better sound and that is far from universally true. I've tested several pieces of gear where the unbalanced inputs/outputs had much cleaner/better sound.
@ThePerkri
@ThePerkri 3 ай бұрын
Power amp, with no volume control - any power amp with no volume control - requires a preamp…
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Requires an external volume control and/or gain to match their input sensitivity. Some pre-amps have a BUNCH of gain, some have very little.
@ThePerkri
@ThePerkri 3 ай бұрын
Sure, you can put an input switcher and throw a 26 step attenuator in it between your source and the amp. But, impedance matching, how much current does your source have and as you have stated, how sensitive is the input of the amp, all have a bearing on how loud the amp can play, and what kind of drive it can have. My experience with passive attenuation in front of a power amp, have left me wanting more. Now, why anyone would put a preamp in front of an integrated amp, is beyond me. Too much gain = distortion
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Many/most people are not calculating the current drive of their source nor worrying about impedance matching, they are simply inserting a pre-amp into their system because "real" HiFi systems have a pre-amp or for convenience, without ever testing to see if it has a negative sonic impact on their system. Most of the people I have talked with are using or want to use one on an integrated amp with high input sensitivity. And I say in the video, there are cases where they do make sense, but they need to match the use case and not just randomly pick a "pre-amp".
@ThePerkri
@ThePerkri 3 ай бұрын
This is where synergy becomes all important :)
@toulcaz31
@toulcaz31 3 ай бұрын
Would you recommend any passive switch? Thanks
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
No personal experience, but this one seems decent. amzn.to/3KjVGbi
@paulgood2218
@paulgood2218 3 ай бұрын
Well said
@michaeldowty9578
@michaeldowty9578 3 ай бұрын
Ok,I'm new at all of this but learning! I have an R8 ,rega p2 and a nobsound t3 preamp. I think it sounds like crap! What do I need to do to fix this? BTW your show is excellent. Keep teaching me. Thanks, Mike.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Send me an email, I'll see if I can help.
@pnichols6500
@pnichols6500 3 ай бұрын
You didn't mention a phono preamp for the Rega, without that it will sound like crap. Ditch the nobsound, replace with a decent phono preamp (ifi or similar) and it should sound great.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Or get one of my EAR834 phono pre-amps :)
@toulcaz31
@toulcaz31 3 ай бұрын
Stupid question but how do you connect multiple sources to an amp if one doesn’t need a pre-amp? I currently use a receiver and an integrated amp so I never had this situation to deal with.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Several folks make passive switch boxes, but honestly how often are people switching sources?
@1mctous
@1mctous 3 ай бұрын
@@SkunkieDesignsElectronics I switch between LP/45, digital, and analog AM/FM with a Bellari passive switch box/logarithmic pot.
@toulcaz31
@toulcaz31 3 ай бұрын
@@SkunkieDesignsElectronics I currently use a Turntable, a DAC, sometimes a CD player and plan to get a R2R at some point. So at least 4 sources for me. 🙂
@jakedavis2838
@jakedavis2838 3 ай бұрын
Don’t you need a preamp to switch between your digital and analog sources?
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
No, you just need a switch. Why do you need to amplify or alter the signal to simply switch between sources? And if we are all about the best sound, just swap the cables.
@frankgeeraerts6243
@frankgeeraerts6243 3 ай бұрын
@@SkunkieDesignsElectronics That's right !
@jakedavis2838
@jakedavis2838 3 ай бұрын
I have one because it matches the same brand as my other components. I was thinking it was needed to switch between sources, and to adjust volume.
@TheMirceanedelea
@TheMirceanedelea 3 ай бұрын
exactly like me: retipped denon with a micro ridge stylus (another denomination for Micro Line) on an SUT to an ear834 clone and then to a reisong a10 modified after your specs, all through a pair of audiovector m3 signature. almost audio nirvana. but, please, could you tell us more about the SUT? but, from my part, I think that i might need a preamp to boost the gain because my sut is 1:10, the mc cart has an output of 0.25mV which, in the ear834, gives 2,5 mV and then, from the phonostage to the amp, due to the gain of 12ax7 might be max 250 mV whereas the reisong needs 700 mV to give full power, at least according to the published specs
@frankgeeraerts6243
@frankgeeraerts6243 3 ай бұрын
Do you need full power of the amp?
@TheMirceanedelea
@TheMirceanedelea 3 ай бұрын
@@frankgeeraerts6243, I can say that I feel that little amp can do more and I think that, theoretically at least, the input is only a third of the required minimum
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
My phono stage using 7025 tubes and has a lot of gain. Sounds like the SUT you are using might not have the right turns ratio for your system? I'm using one like this, I love the sound of these cinemag transformers and having adjustable gain is a huge bonus. super well made unit. www.ebay.com/itm/126482412447
@TheMirceanedelea
@TheMirceanedelea 3 ай бұрын
@@SkunkieDesignsElectronics, I did my SUT’s myself and the transformers I found, although they sound really nice, they are on the low side of the ratio for my Denon, that I know and it’s the main reason for which I’m considering building the 4S preamp
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
1:14 seems to be a nice spot for a SUT for a MC.
@AdventureswithTheWrench
@AdventureswithTheWrench 2 ай бұрын
I sent you a message on AK. I've got an amplifier for you to test.
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 2 ай бұрын
Sweet and I saw it :)
@gjnbouwmeester5860
@gjnbouwmeester5860 3 ай бұрын
I see what u mean with NOT adding unwanted 'coloration and distortion' when using a pre-amp, but what's ur thought on TVC's
@SkunkieDesignsElectronics
@SkunkieDesignsElectronics 3 ай бұрын
Either you need the gain or you don't.
@antoniojoseandreomartinez9710
@antoniojoseandreomartinez9710 3 ай бұрын
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