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Another Vintage Gem Rescued: Technics SU-V6

mikte15

Active Member
I was looking forward to my post-Xmas week off because I was sure there’d be good CL/Goodwill pickings to be had. I was looking for some 70s/80s vintage integrated amps such as Pioneer SA-6800-9800 because I picked up a SA-508 a month earlier and was very impressed by it’s build quality. I found a CL ad for a Technics SU-V6 for $50 with the disclaimer ‘One side occasionally cuts out, likely needs cleaning’. I googled it and found it to be similar in vintage and performance to the Pioneers I was looking for, moderate power (70W/channel) and very low distortion. It was marketed as ‘New Class A’! Although I was concerned about it’s electrical problems, I was interested enough to give the seller a call. He was a contractor and he got it years ago from a nightclub they were rehabbing. He said he thought there was an issue with the channels but he could remember because it was stored for so long in his basement, he would look into it and get back to me. He called the next day and said he got both channels working so I could here them through headphones. I agreed to drive across the state to see it.

When I got to the guy’s house in southern RI, it was like entering a construction site. There was a backhoe in the front yard and a huge pit. Every side of the house was under construction. I followed him through the mud to his living room where the amp was. Oh my god! What a mess! The amp looked like its’ owners liked to listen to music while they smoked cigars and refinished furniture. The faceplate, knobs, and switches had industrial strength grime.

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He let me listen to it play from an Ipod through headphones. Both channels did work. We removed the case cover and the entire interior was covered with sawdust.

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My heart, already low, fell off the cliff. With all the other active projects I have going I didn’t want another cleanup mess. I offered the owner $30 in the hopes he would turn me down and I could depart gracefully. He was indignant with offer and I thought I was free, but he quickly countered with $40 and I said - no I was sorry I didn’t want another cleanup project. I think he sensed I was trying to escape and declared he wasn’t going to spend another minute with this amp and he would take $30. I don’t back down after I’ve made an offer so we settled and we spent another half hour reviewing his home rehab plans.
 
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After I got the amp home I took the cover off and gave it a light vacuuming with my house vac. With some of the dust gone it looked better than I expected. There was no signs of damaged or burned components. I spent a few hours - pulling the knobs and switches, soaking them, and cleaning the faceplate and case members. It was industrial strength grime; dish soap didn’t touch it. I ended up using pure alcohol, acetone, and lacquer thinner to get things looking acceptable.

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I rigged up a high tech vacuum attachment (small diameter PVC tubing, acid brush, and duct tape) to get most of the sawdust out of the interior.

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A final Deoxit wash down and it was ready for a trial run.

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Several cds later I figured I didn’t make out so bad. Now the amp is putting in its' service along with the rest of my active gear driving my Jazz speakers.

Best Regards & Happy New Year!
Mike
 
A nice find for 30 bucks Mike.....it was just meant to be :thmbsp: I'm a fan of certain Technics pieces and really like that series of amps :yes:
 
Very nice job cleaning it up. I would have grabbed it, too.

How does the phono section sound?

Nice save - enjoy it .

Rob
 
Hi Rob,

It sounds nice. This is the first amp I've seen with a moving coil/moving magnet switch.

Mike
 
Mikte15, thanks for the photo of the high tech vacuum attachment! Nice improvisation; I am definitely going to make one of these and try it out.
 
The Dual is just a CS431 with an Ortofon OM10. I've been looking hard to upgrade it but that hasn't been as easy as finding inexpensive vintage components.

Mike
 
That's a sweet little amp. I've always thought that Technics gear of that era really doesn't get the love that it deserves.
 
That is one Technics amp well worth owning.....i am a fan of there amps of that era and before......for $30 you got a gem !
 
Thanks All for the nice comments.


I was spending New Years Day with my brothers' family. I used his computer to show him this topic posting. He said that if I liked cleaning up vintage stereo equipment I could have the old receiver he had when he was in the Air Force. It was stored in the basement and he was planning to throw it out if they ever got around to cleaning up the basement.



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It's a Yamaha CR-1020 with what looks like an European plug.:yes:
 
Man you should get a patten on that Vacuum attachment. we all could use one of those.

Edit also: was that Yamaha Yellow to begin with? LOL, looks like some fun ahead for you.
 
I have/had a couple of smaller Technics amps from the same era: the SU-Z1 and the SU-Z25. I gave the Z1 away to a friend over Christmas who wanted something so he could listen to the soundtrack of DVD movies through stereo speakers. I always thought both amps (the Z25 in particular) have a great sound that punches way above their weight. Nice score (scroe?).
 
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