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Vintage Stereo, Amplifier and Radio Restoration
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The Forgotten Triode: A History of Japan’s 6RA8 Vacuum Tube
When enthusiasts talk about vintage vacuum tubes, the usual names come up quickly: EL34, 6L6, 300B, EL84. But hidden deep in Japan’s...
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Sep 193 min read
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The Glow of the Future: A Look at Vacuum Fluorescent Displays
Technics SA-R530 Recently restored Technics SA-R530 receiver released in 1988. If you grew up around audio gear from the late 70s through...
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Sep 142 min read
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50CA10 triode vacuum tube - Rarer and rarer...
Unobtanium audio output tubes - The NEC 50CA10 Triode vacuum tube. Luxman had a thing for "special" vacuum tubes back on the 1970s. The...
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Dec 28, 20242 min read
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Transistors...of DOOM. Remove them if ya got'em!
As vintage hifi gear has aged over the years, we see various components that have not been able to stand the test of time. Some more than...
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Feb 13, 20242 min read
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RIFA Capacitors will die.
Vintage, Swedish-made RIFA capacitors should always, ALWAYS be replaced no matter if they are working or not. These are frequently used...
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May 1, 20231 min read
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Luxman and L&G
Luxman is a long-time maker of hi-fi gear going back several decades. They still make audio equipment and many of their pieces are in the...
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Aug 18, 20223 min read
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Suicide Varistor Diode
Many times there are vintage pieces of audio gear that have components that are destructive if left as-is. Transistors and diodes are top...
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Aug 7, 20221 min read
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A rare Optonica SM-4646 integrated amp!
A long-dead division of Sharp Electronics in Japan, this extremely rare amp was their attempt to break into the HiFi market. Too little...
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Jul 11, 20221 min read
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How does a receiver or amplifier shed heat?
Every receiver or integrated amplifier generate heat of varying levels. The output processors on the amplifier board are just one of the...
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Sep 1, 20212 min read
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Time for some clock gears
An old TFM-C720 from 1972 getting a replacement gear. The motors, made by Copal Denki in Japan, were very robust and simple....
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Aug 27, 20211 min read
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Crispy power switch on a JDM Pioneer SA-8800 (SA-7500 in the US)
Over time, with these old machines, the power switch contacts get pitted and a little burnt from having full mains power (120v US)...
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Aug 26, 20211 min read
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Use that AUX port!
Similar to hooking up a turntable, using a Bluetooth receiver to stream music into your receiver or amp is SUPER simple. There are many,...
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Aug 26, 20211 min read
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Turntable hookup basics.
It's already been talked about a lot on the interwebs, but I thought I'd post some basic setup steps for hooking your turntable up to...
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Aug 25, 20211 min read
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