Marvin 12A Maybe NOS - I picked up these two maybe new old stock 12A tubes. Made by RCA as are the Cunningham tubes. The packaging on these is really nice but I hate stickers on ...
Tuesday, March 13, 2012
Everyone loves the 437A and I have to be honest that back in the day, $50 was a lot for a tube when I could get a 5842 or a 6c45 for 1/10th the price. On Saturday we blasted through a bunch of alternatives in the "clippy rig" and it was very comforting that while each tube had its tone, the sound was all great.
another thing to be addressed is the inherent inaccuracy of the historical strain gauge cartridges and how to adhere to that pesky riaa accuracy demanded by some of the all-knowing. The clippy filter pictured above takes a device that has about a 5dB variation from an arbitrary zero to a 2dB variation.
the good news is... the filter just seems to change the presentation a bit and doesn't seem to have an impact on the emotion (tone) of the music.
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