This preamp adds rich tube harmonics and fat bass, with an expanded, vibrant soundstage. The device is solid and heavy, with a metal volume control that is pleasant to the touch. It even has a small drilled mount to easily see its position. The pipe sleeves feel solid, although I wouldn't roll my pipes daily for years without expecting trouble. The sockets are installed on the board, not on the chassis, which is normal. I always flood the contacts and plugs with Deoxit first. So is he buzzing? Bad maybe, but I've used it with cheap, lightly used 1960's RCA 12Ax7s instead of standard tubes. I think it's very important. I always prefer the good old USA lamp to any new product. I think that some users' buzzing problems may be due to bad Russian/Chinese cellphones. The gold pin you have. :-(My only issue is that I'd rather have the inputs and outputs on the back of the unit than on the front. There may be a valid reason for this position, but I haven't come up with it yet.
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