In MMD 991004, Andy Taylor referred to an old Farrand player with
a bad sound board and said the sound board had no "harmonic trap."
What's that?

Regards,

Dick Merchant
Carlsbad, NM,  USA

 [ I'm curious, too.  I remember the term from my days with ham radio
 [ transmitters, when a harmonic trap was installed in the circuit to
 [ the antenna in order to reject unwanted harmonics (multiples) of
 [ the fundamental transmitting frequency.  -- Robbie