tubes

Just found this site, great stuff! Bought my first speakers Kef 104/2 around 1986 still on use today with Cj Premier mk2 with prem 140 amp and prem 15 phone amp with all cardas golden ref ics and cable along with VPI soitmaster 2 upgraded arm and old shelter 90 cartridge. Still audio heaven. The...

This is NOT a review, but an overview of the Aoshida A6 amplifier DISCLAIMER I know that many on ASR completely denigrate tube products, especially the very cheap ones with more aesthetic than functional purposes, as in this case, but considering the probable intended use of an amplifier in...

This has been the primary amp in my desktop headphone system for the past year. Probably 200-300 hours on it, tops. In mint condition. Sounds great and packs a punch. Includes stock tubes plus a pair of matched GE JAN 5670W tubes (installed) from Riverstone Audio ($45 dollar value). Includes AC...

Is there any risk in running a signal through an OTL tubed headphone amp (DarkVoice 336se) with no headphones? I know it’s normally not a good idea, because it could damage the transformer. But there’s not one here. I’d like to do some quick comparisons between the headphone amp on my DAC and...

I’m very much enjoying my new DarkVoice 336se tube headphone amp, and part of the fun is rolling in different 6SN7s I have on hand with my Sennheiser 6xx cans. Perhaps it’s folly, but I do think I detect differences in sound depending on the tube. Ken-Rads tend to have deeper bass, RCAs are...