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How to repair Vintage Gibson EH150 tube guitar amplifier Noise static Output

  Рет қаралды 9,057

D-lab Electronics

D-lab Electronics

Күн бұрын

This amp was shipped to D-Lab to investigate/repair strange noises coming from the amplifier. Problem turned out to be a bad 6L6 and 6C5 tube. The 6L6 appeared to have an internal short. The 6C5 tube is notorious for microphonics. It is sometime difficult to locate quiet ones. I would recommend you stock up on a sleeve to keep your Gibson playing quiet. Remember use caution with metal jacket tubes. If wired incorrectly they can become shock hazards.

Пікірлер: 36
@tracyc7813
@tracyc7813 4 жыл бұрын
The "EH" in the model name stands for Electric Hawaiian. These amps were designed for Hawaiian lap guitars such as the "frying pan" from back in the day. Guitar pickup technology has changed a lot since then.
@danielsaturnino5715
@danielsaturnino5715 4 жыл бұрын
Thumbs up for having the guitar in tune.
@brucepierce6124
@brucepierce6124 4 жыл бұрын
Nice amp.
@djfrank59
@djfrank59 4 жыл бұрын
Great classic amps. I don't think I've ever had a Gibson EH series amp come in for repair that didn't sound like rice krispies at some point. They're easy fixes, and sound great. I truly don't trust the metal 6L6's. I've gotten knocked on my split peach a few times with them. I replace them with the glass one's myself. Great video as always. Keep 'em coming :)
@wesleymorris1
@wesleymorris1 4 жыл бұрын
I got a 1963 Gibson falcon 14watt, I redid all the caps and changed the EQ Abit, It sounds better then fenders I've worked on, the reverb is so sweet, I love it
@mr.selfdestruct2917
@mr.selfdestruct2917 2 жыл бұрын
This channel is an oasis. Thank you.
@robbusch9564
@robbusch9564 4 жыл бұрын
Terry, thanks for the tip about Chemtronics solder wick - so much easier to use & it actually works.
@Finom1
@Finom1 4 жыл бұрын
Thank you for another great educational video for us!!!
@gillamb8669
@gillamb8669 4 жыл бұрын
Strumming a guitar is more than enough for me. Thanks for Sharing
@wadehicks9270
@wadehicks9270 4 жыл бұрын
Can’t beat that tube sound best of the best.
@Bigjoedo66
@Bigjoedo66 4 жыл бұрын
Another great amp save Terry!!
@scottbc31h22
@scottbc31h22 4 жыл бұрын
The 6C5 tube was inherently noisy and microphonic due to a poor design. The 6J5 was developed as a direct replacement with an improved design.
@waynekozak1462
@waynekozak1462 4 жыл бұрын
Another great video Terry! Although not enough wine. I have a question do you think it is possible that this amp requires steel bottle tubes because of the close proximity to the magnet in the speaker? It seems to me that could be a real issue. Please let me know.Thanx
@waynethompson8416
@waynethompson8416 4 жыл бұрын
Always learn something in every one of your videos! Enjoyed this one. Good to know that the metal case is attached to pin 1 on those 6L6's...can be a good thing, but also could be a disaster waiting to happen (if you happen to touch it and there is high voltage on it for some reason.) as well. Say HI to Marsha! Where was your glass of wine? Hey, did you ever try the Morse Code wine? I hope you guys had a wonderful Thanksgiving!!!
@Wildman9
@Wildman9 4 жыл бұрын
Great ole tube amp.Gibson amps have a unique tone,especially those late 40s units.👍🎸📻📺
@mamutcat
@mamutcat 4 жыл бұрын
Thanks, D-Lab. Always love the videos. How did you get into guitar amps when you don’t play guitar?
@rolandpeachie9807
@rolandpeachie9807 2 жыл бұрын
Beautiful little amp...
@Chuck-U-Farlie
@Chuck-U-Farlie 4 жыл бұрын
IDK why but i loved that you don't play guitar LOL. If you don't play but are going to be using a guitar to test amps in your videos; might i suggest you try tuning your guitar to an open tuning such as open D or open G. that way when you play the strings open, it actually plays a chord (well technically you are playing an Em7add4 when you play your guitar open like that, but it's not a great chord LOL) you could also then bar one finger over all the strings, and move it up and down the neck to play different chords. just a thought.
@Nirky
@Nirky 4 жыл бұрын
Got my daily dose of D-Lab...
@GScott50
@GScott50 4 жыл бұрын
Look at the size of those pots!
@Retro.Studio
@Retro.Studio 4 жыл бұрын
Thanks again Terry. 👋🏻🇳🇱
@tommyhjelmgren2108
@tommyhjelmgren2108 4 жыл бұрын
How did you remove the metal-cased tube without shocking yourself? Did you just drain the filter caps?
@emailforchristopher
@emailforchristopher Жыл бұрын
I believe when that amp was made, the electric guitars used cobalt pickups for more gain.
@jesseyasaitis9036
@jesseyasaitis9036 4 жыл бұрын
Just tune the guitar to open G. Only need one finger to play a song!
@bbqdan78
@bbqdan78 4 жыл бұрын
D.lab you you be interested in making a video repairing my bose 901 eq series1.i have the cap kit to.im not getting any output.i think it would make a great video.
@juliansedor7101
@juliansedor7101 4 жыл бұрын
Its weird to me that you fix all these amps and can't play any guitar! It's awesome work you do though.
@roberthurless4615
@roberthurless4615 4 жыл бұрын
The bigger the glob, the better the job. I heard that somewhere, but I just can’t remember where. Lol
@Joetechlincolns
@Joetechlincolns 4 жыл бұрын
AVE says it in his vijeyos
@yusdiy
@yusdiy 4 жыл бұрын
Sir, tune your guitar to open E Major chord. E,B,E,G#,B,E. You can do one finger chord.
@pdppanelman5889
@pdppanelman5889 4 жыл бұрын
How's the new shop coming along?
@kellykane6323
@kellykane6323 2 жыл бұрын
Metal tubes were the technology at the time
@bobr8565
@bobr8565 4 жыл бұрын
What, no wine?
@Retro.Studio
@Retro.Studio 4 жыл бұрын
And no Snozzeramus, we need that moment, it allways brings me that smile.
@faridkhalafpoor715
@faridkhalafpoor715 4 жыл бұрын
ok
@billbaxter2914
@billbaxter2914 4 жыл бұрын
Who told you, you couldn’t play guitar? Shortwave girl?
@timothylawrence707
@timothylawrence707 4 жыл бұрын
@5:11 "...the easiest way for me to spot cracks." Try going to a plumber's convention; even easier.
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