Looking to buy Wonder, WBT or Cardas solder in NYC asap. Please recommend a store that carries them in Manhattan?   Thanks in advance,   Y.

Is it possible to damage headphones by leaving them in direct or even indirect sunlight? (Just thinking about where to set up the equipment rack). Thanks in advance.

"scored" a Tung-Sol 6AS7 with a loose base (rotates about 1/16 of an inch) Gettering is still silver - is this a DEAD tube? Also is it possible to have an RCA rebranded as Tung-Sol? Its labeled Tung-Sol but it sure looks like an RCA.

Are the Sonett and WA6SE + Sophia comparable in SQ? I couldn't find a direct comparison. Is WA22 better than the previous two as price would suggest? Thanks in advance.

Hello! I am considering upgrading from my current setup: PS Audio DL3+Cullen3 -> Sonic Frontiers Line 3 SE -> Grado RS 1i/AKG 701 by replacing the SF Line 3 with a dedicated HP amp. Will either a WA6SE or the DNA Sonett be a big step up from the current setup or should I stretch my...