Summit Audio FeQ-50 Passive Tube/Solid State EQ - Manual (Page 13)

Model FeQ-50 4-Band Passive, Parametric Equalizer 13
Block Diagram
Block Diagram
The electronically balanced input stage input goes directly
into the passive EQ sections. The low and high bands can
switch between peaking and shelving filters, the low mid and
high mid can switch between narrow and wide bandwidths.
Also included is a switchable highpass filter fixed at 30Hz
with a gentle 6dB/octave rolloff to reduce rumble. I/O
includes a total of four simultaneous outputs, -10dB and
+4dB vacuum tube out and –10dB and +4dB solid state out.
BYPASS
BYPASS
SHELF PEAK
BOOST/CUT BOOST/CUT BOOST/CUT BOOST/CUT
DIFFERENTIAL
INPUT
TUBE
DIFFERENTIAL
OUTPUT
SOLID-STATE
DIFFERENTIAL
OUTPUT
+
-
+
-
IN
IN
WIDE NARROW WIDE NARROW SHELF PEAK
HIGH PASS
LOW
FILTERS
LOW-MID
FILTERS
HIGH-MID
FILTERS
HIGH
FILTERS