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recalculate
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gain at 82Hz (low E)
gain at 1kHz
LTP
paraphase
concertina
tube type
12AU7
12AT7
12AX7
12AY7
6SN7
5751
6386
6922
R
L
(kΩ)
C
G
(μF)
R
G
(kΩ)