How can I tell if a vintage receiver has tube amps
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Joined: Nov 2006
Posts: 1,333
connoisseur
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OP
connoisseur
Joined: Nov 2006
Posts: 1,333 |
I'm looking for a receiver for the office and ran across an old Technics SA-505. I've found a reasonable amount of information, but nothing as to whether it is tube or solid state. When looking at some of these older units, how can I tell from the specs?
Scott
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Re: How can I tell if a vintage receiver has tube amps
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Joined: Dec 2008
Posts: 6,928
axiomite
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axiomite
Joined: Dec 2008
Posts: 6,928 |
Scott, here's a unit for sale out in Calgary, complete with specs. I don't know if it helps, or not....
Half of communication is listening. You can't listen with your mouth.
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Re: How can I tell if a vintage receiver has tube amps
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
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It's 63 WPC, built in 1980, and not made by McIntosh or one of the other esoteric brands. It's pretty safe to say it's not a tubed receiver.
I am the Doctor, and THIS... is my SPOON!
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Re: How can I tell if a vintage receiver has tube amps
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Joined: Jan 2002
Posts: 3,270
connoisseur
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connoisseur
Joined: Jan 2002
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To add to what kcarlile said, it's my experience that mainstream builders of amplifiers sold and distributed in North America like Technics and other Japanese brands were entirely solid state from the 1970s onward.
In specs for a tubed unit, you might read the phrase "output taps for 4 ohms, 8 ohms, 16 ohms" for tube amplifiers that used output transformers, many of which did.
Alan
Alan Lofft, Axiom Resident Expert (Retired)
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Re: How can I tell if a vintage receiver has tube amps
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Joined: Nov 2006
Posts: 1,333
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OP
connoisseur
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Thanks. That's the kind of info I was looking for. I saw the one listed in calgary, but there was also one listed here in New Orleans, which prompted the question.
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