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SPECIFICATIONS
(continued)
PREAMP SECTION:
3 - 12AX7's
The following specs are measured
@
1 kHz with the controls preset as follows:
Low & High EQ
@
10, Mid EQ
@
0, Bright out
Ultra & Crunch Posts @ 10,
Gain switches out
Bottom, Body, & Edge @ 0 dB
Reverb level
@
0, Master level
@ 10
(Nominal levels are with Pre Gains
@ 5)
(Minimum levels are with Pre
Gains
@
10)
Preamp High Gain Input:
Impedance: Very high Z,
470 K ohm
Ultra Channel:
(with channel-select in)
Nominal Input Level: -46 dBV,
5 mV RMS
Minimum Input Level: -64 dBV,
0.6 mV RMS
(Subtract 15 dB with gain switch
in)
Crunch Channel:
(footswitch selected)
Nominal Input Level: -34 dBV,
20 mV RMS
Minimum Input Level: -52 dBV,
2.5 mV RMS
(Subtract 15 dB with gain
switch in)
Clean Channel:
(with channel-select out)
Nominal Input Level: -16 dBV,
150 mV RMS
Minimum Input Level: -34 dBV,
20 mV RMS
Maximum Input Level: 0 dBV,
1.0 V RMS
Preamp Low Gain Input:
(-6 dB Pad)
Impedance: High Z, 44 K ohms
All levels are increased by
-h6 dB
Effects Send:
Load Impedance: 47 K ohms or
greater
Nominal Output: -10 dBV,
300 mV RMS
Effects Return:
Impedance: Very high Z,
470 K ohm
Designed Level: -10 dBV,
300 mV RMS
Preamp Output:
Load Impedance: 47 K ohms or
greater
Nominal Output: -1-10 dBV, 3 V
RMS
Remote Footswitch:
Special 3 button unit with LED
indicators (supplied)
Systems Hum & Noise @
Nominal Level: (clean
channel)
(20 Hz to 20 kHz unweighted)
Greater than 74 dB below rated
power (Special noise gate cir¬
cuitry for Ultra & Crunch)
Equalization: (clean channel
only)
Custom Low, Mid, & High
passive type EQ
Push Bright: +6 dB
2 kHz
Voicing: (Ultra and Crunch
channel only):
Active Bottom, Body, and
Edge EQ
Push Gain: Increases gain in
Ultra and Crunch channels.
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