G-9000DB - Sansui Receiver - Most Beautiful Ever? Repair Restoration Testing Vintage Stereo Audio

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4 жыл бұрын

A Sansui G-9000DB stereo receiver repair, restoration and testing video. Old electrolytic capacitors and troublesome diodes were replaced. I discuss why old electrolytic capacitors should be replaced by providing manufacturers data. The power supply assemblies (F-2809 & F-2810) in the Sansui G-9000DB receiver were completely rebuilt. The tone control assembly (F-2799) was rebuilt. This Sansui G-9000DB built from 1978-1979 was then bench tested with an audio analyzer. This G-9000DB did more then 170 watts per channel on the test bench while easily beating the receivers total harmonic distortion (THD) rating. This was a restoration that after 40 years of service this vintage receiver needed. This Sansui G-9000DB receiver now sounds great and will be reliable for decades to come.
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Пікірлер: 459

@robertbartolomie857 4 жыл бұрын

It was my dream receiver when I was a kid. It only took me 40 years to get one.

@weaverjsnw 3 жыл бұрын

I inherited my unit from my dad a few years ago. He had always promised I would get it since I was a teenager. He bought it from a pawn shop back in the early 80s along with a pair of sp-x9 speakers. At the time we lived in a singlewide trailer out in the boonies of Southern Oregon. We spent many days cranking it up listening to Grandfunk Railroad, Foghat, and just about anything good. I was amazed at how crystal clear everything sounded. You could hear things in the music you hadnt noticed before even though you've heard it over and over on the radio. I wish I still had those speakers. He never turned it up past 5. I could swear it was gonna blow the windows out of the house. Right after he reluctantly handed the receiver over to me I was at a yard sale and everything was free. I saw a pair of old speakers that I glanced at and passed by thinking they were kinda rattty looking. At a second look I saw the sansui logo and I had to have them. It was meant to be. They are LM-330s. I didn't expect much out of them but they were speakers I thought. Boy was I surprised when I hooked them up! The stereo hadn't been hooked up for a couple years or so since the other speakers were blown out by a drunken uncle. Unfortunately they were not kept. But wow these little 2 way 60w speakers have some punch! They sound great. Not quite as good as the ones I remember but damn I've missed hearing a good stereo sound. I love how clean it is even loud. I scored on the speakers. The unit has had no work done to it and could use some tlc. The controls are a bit crackly and the channels cut in and out but after fiddling with the knobs it still sounds great after all these years. I've cleaned the pots once. prob needs to be done again. I am very happy to have it. I Someday I'll get a pair of those sp-x9's

@jimbasler1054 4 жыл бұрын

I'm a die hard Pioneer fan,but the Sansui G-9000DB may just be the best looking receiver,ever made......

@scottbrandenburg5871 4 жыл бұрын

It was sometime in the mid 70s my best friends father USMC came home from Overseas with a unit close to today's featured rec. Along with a turntable and 4 huge sansui speakers . Whenever his parents would go out we would crank that baby up . The first album we ever played on it was the new release of pink Floyd Dark side of the moon. Need I say more.

@offdacorner 4 жыл бұрын

My goodness. I'm 51 years old and until I started watching your videos I never realized that I had this much sentimentality for audio equipment. My father, uncle(his brother), as well as myself all devoted a lot of time and money to this type of equipment, sure. But as time has gone on and I've grown older, somewhere down the line I forgot how much enjoyment stereo equipment brought to me, my friends, and my family. Your videos have just brought a flood of great memories all rushing back to me. I sincerely thank you for this. I'm subscribed.

@jjcale2288 4 жыл бұрын

The treasure you build up is not only your collection of physical equipment but also these videos. You are doing an exquisit work for those who will follow. 👏👏👏

@jenbill 4 жыл бұрын

The 70s and 80s had the best stereo equipment around and actually had the music to go with it.

@Techno.Junkie Жыл бұрын

I was a TV/Audio bench tech in the 70’s, went on to become a Field Engineer for NCR in 1980 & retired a few years back. Anyway in 79 I was a tech for Audio Genesis here in Glens Falls, NY. They were a big Yamaha shop & someone traded in a 1976 Pioneer SX1050, 120W/channel receiver which I picked up for $200 bucks! Still have it although it hadn’t been re-capped but still sounds great, love it! 3 years ago I ran into & started dating a woman I was with for a year when I worked as a bench tech. She couldn’t believe I still had my system, AR8 Speakers, Kenwood KD3055 Turntable, JVC KD-A5 Cassette Deck & late 80’s Yamaha CD-300 CD Player. Hoping this time the relationship lasts as long as my system has.

@abunatkat 4 жыл бұрын

My brother purchased his brand new and it was nearly 2000 bucks back then. It still works very well. I have the lowly Sansui 8.

@R3TR0R4V3 4 жыл бұрын

95% of my vintage stereo gear came from family members who passed away (receivers, cassette decks, RtR machines, etc). I remember them & their stereos fondly as a kid, so I'm passionate about keeping the gear running and in tip-top shape. I only have 2 receivers that were acquired myself, one being a Marantz 2230 that I bought off ebay and a Kenwood KR9600 that my buddy gave me after his dad passed.

@Yes_Jorge_Yes 4 жыл бұрын

I have a AU5900 my dad bought it in 1976 in Honduras. This replaced a Sansui Receiver that he bought in Guatemala in 1970 it was the Sansui 600 L solid state receiver. My dad moved from Honduras to Panama in 1981 and he took his Sansui Integrated Amp with him along with a Sansui Tape Deck SC-333, a Pioneer Equalizer, a Sony Reel to Reel and a Thorens TD 164. After the invention of Panama in 1999 my dad moved to the states and put all this equipment in storage. My sister then moved it to Mexico, Argentina and finally in the 2000s came to the USA where it remained in storage in Miami. Christmas of 2019 my sister gifted me the Sansui AU5900, the Thorens turntable, the Pioneer equalizer, and the Sansui Tape Deck. All but the Sansui AU5900 need extensive repair. I cleaned up the Sansui Amp and cleaned all the contacts and I am now using it as my main Amp replacing a modern Yamaha Receiver. Based on the serial number my Amp was built on April 15, 1976 in Japan. that makes it almost 44 years old, the sound is clear, and rich, the Yamaha receiver sounds like a tin can in comparison.

@MrWhat-ef1xr Жыл бұрын

I own a Sansui G33000 since 1978. I bought it at Crazy Eddie's in NYC. It's gone through 3 marriages ! This amp has given me thousands of hours of pleasure. Every couple of years, I get a tune up on it. Cheers!

@MyIDIsNotAvailable 3 жыл бұрын

Yes. No question about it. Those high end Sansui G series were definetely most beautiful receivers ever made.

@frankbudjack5211 4 жыл бұрын

Beautiful receiver. I've owned a few pieces of Sansui gear in the 70's and early 80's. They were always quality pieces for there time. Now I play with restoring older gear, great hobby.

@victoryfirst2878 4 жыл бұрын

So nice to hear you explain all the ins and outs of this monster. Please do not stop doing this type of work, for me this is therapeutic. Good day too.

@pabloosvaldopenizzotto1098 4 жыл бұрын

What a great receiver. I love the way you have restored it. You are very professional, doing every single step so carefully that this beast look totally new and show such a good performance in terms of power and THD. Thanks for sharing

@kblack3970 2 жыл бұрын

I've had Sansui 9900z since 1986 and feel like a winner every time I look at it. Not to mention how great it sounds! Thanks for sharing

@artmanjohn2 3 жыл бұрын

I use to sell this unit and many others like it back in the mid to later 70s for a store called "Custom Hi-Fi" I worked there as a salesman for a few years. I fell in love with these receivers, Sansui was my favorite among the units we sold and we sold them all. I never was able to purchase this one but back in the mid 80's, I bought a mint - Sansui 9900z receiver for just $100.00 from a pawn shop. It still works today and I use it all the time. There is no price I would sell it for today. I think it was the very next model year after your Sansui G-9000DB stereo receiver came out. Mine was also the last year of the big monster receivers that Sansui produced before changing everything. Mine is rated at 160 watts per channel at rated power and is DC powered of course and it actually has a fan in the back that will come on if the unit ever gets too warm. I would still love to have the Sansui G-9000DB, I think it is one of the best looking units I've ever seen. Mine specs out the same as yours and is basically the same machine but it is looks different and has a Digital Quartz Synthesizer Tuner in the FM/Am, that is the main difference in the two models. Works great, still today!

@linmal2242 3 жыл бұрын

Thankyou for your history and your call for comments. I have a Luxman receiver bought from an ex-crewman of an ore ship who bought it in Japan in the days before Chyna got all the press about industrial growth! Of course I am in Australia and we sell a lot of iron and coal!