• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

obsession sd-600 300b mono block

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Hi,
I found pair of Obsession SD-600 mono block amps and tube preamp at my frend's place.
There was one broken 5u4g lamp and a lot of dust..

So, after an sound test, which was great, I tried to find some data on web but culdn't find anything about Obsession.
Amp uses two 300b triodes in paralel (single end) at the output stage, 6688 as driver and 12tu7 for input. Amp weights about 20kg..
Can you tell me something about that amp, maybe some details, cost or quality. Where it was built?

It sounds great to me, much better than my low tim amp (leach), better dynamics, vocal..
 

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