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Amp / Tubes / Channel

When we moved in together, my partner introduced me to her trusty old friends - a Golden Tube SE-40 amp and an SEP-1 pre-amp (plus a pair of small, but impressive Optimus speakers).
I feel like I'm breaking commandments by connecting my 20-year-old magnavox CD changer to these classic engines, but I forged ahead, including new cables all around. The improvement over the sound that came out of my old components is unbelievable.
However, only one channel plays... I have two questions. Could the lack of signal on one channel be tube-related or is that kind of problem likely to be internal? And would replacing all the tubes make a big difference in sound? (tube recommendations?)
bf218tri

Showing 1 response by xti16

xti16
1,525 posts
 
First are you sure it is the amp? Have you tried any other sources? Have you tried things like taking the cable from the side that doesn't work and put it in the side that works? Moving the tubes from the right side to the left and check bias.

As far as tubes they will make a difference. Big difference - Maybe. Either for the better or the worse. Usually better. Some tubes are warmer sounding than others and some are very linear. The only way to know is to try them. Since I'm not familiar with that amp I will not make any recommendations. My Octave V70SE takes many different types and I will say different brands of the same type will be different sounding.

Good luck
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