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Classic gear from yesteryear; vintage audio standing the test of time.

Theta tube preamp

I got this Theta preamp.

The tubes light up, but the only sound I get is by turning the volume sliders (!) up all the way (tuner into one of the aux inputs)

The power supply has a bunch of Mallory electrolytics strung together, interspersed with little round metal cans that appear to be transistors from before the ice age.

I am replacing the electrolytics this week, but I wonder about those little transistor thingys....the number on them 2w5448 does not ring any bells on ebay or the Mouser site.

I will know more when I get the electrolytics replaced, but I suspect that may not be my only problem.

Help!!!!


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Topic - Theta tube preamp - louie3 06:40:05 09/02/14 (14)

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