Crane Song Insigna 500-Series Tube EQ


Crane Song has broke ground once again....Please say hello to the first ever 500-series TUBE EQ, The Insigna!

Manufacturer Description:

INSIGNA is a tube equalizer in a 500 series package, using a dual triode circuit with a 12AX7 tube.

The eq has 24 db/oct high pass and low pass filters each with 7 frequencies.

The top and bottom band are shelving each with 8 frequencies

The mid band is peaking with 8 frequencies.

The three bands work by using buffered RC circuits in the negative feedback path around the tube amplifiers.  The result is a fat sounding eq rich in second harmonic triode tube color.

Year Condition
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