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Vintage Stereo, Amplifier and Radio Restoration
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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...
Admin
Dec 28, 20241 min read
27


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...
Admin
Feb 13, 20242 min read
80


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
50


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...
Admin
Aug 18, 20221 min read
93


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...
Admin
Aug 7, 20221 min read
71


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...
Admin
Jul 11, 20221 min read
170


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...
Admin
Sep 1, 20212 min read
44


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....
Admin
Aug 27, 20211 min read
61


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)...
Admin
Aug 26, 20211 min read
41


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,...
Admin
Aug 26, 20211 min read
72


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...
Admin
Aug 25, 20211 min read
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