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POWER AMPLIFIER SECTION:
Tubes:
Four EL34 tubes with 12AX7 driver
Rated Power & Load:
120 Watts RMS into 16, 8 or 4 Ohms
Power @ Clipping:
(typically @ 5% THD, 1 kHz, 120 VAC line)
120 Watts RMS into 16, 8 or 4 Ohms
Frequency Response:
+/-3 dB, 50 Hz to 20 kHz @ 90 Watts RMS
into 8 Ohms
Hum & Noise:
Greater than 76 dB below rated power
Power Consumption:
Domestic: 400 Watts, 50/60 Hz, 120 V AC
Export: 400 Watts, 60 Hz, 220-230/240 V AC
PREAMP SECTION:
Tubes:
Three 12AX7 tubes
The following specs are measured @ 1 kHz
with the controls preset as follows:
All EQ controls @ 5
Ultra & Crunch Volumes @ 10
Master Volume @ 5
Resonance and Presence controls @ 5
Effects Send @ 0
Effects Return @ 10
Nominal levels are with Gain @ 5
Minimum levels are with Gain @ 10
All levels increased by 6 dB if using
Low Gain input
JSX
™
SPECIFICATIONS
Clean Channel:
Nominal Input Level: -10 dBV, 300 mV RMS
Minimum Input Level: -22 dBV, 80 mV RMS
Maximum Input Level: 0 dBV, 1 .0 mV RMS
Crunch Channel:
Nominal Input Level: -60 dBV, 1 mV RMS
Minimum Input Level: -90 dBV, 0.03 mV RMS
Ultra Channel:
Nominal Input Level: -70 dBV, 0.3 mV RMS
Minimum Input Level: -90 dBV, 0.03 mV RMS
Effects Send:
Load Impedance: 47 k Ohms or greater
Minimum Output:
-10 dBV, 300 mV RMS
Maximum Output:
0 dBV, 1 V RMS
Effects Return:
Impedance: High Z, 80 k Ohms
Minimum Input Sensitivity:
-10 dBV, 300 mV RMS
Maximum Input Sensitivity:
0 dBV, 1 V RMS
Line Output:
Load Impedance: 47 k Ohms or greater
Adjustable Output:
+/- 20 dBV, 0.1V RMS-10 V RMS
Note: For proper ventilation‚
allow 24" clearance from
nearest combustible surface.
11
Remote Footswitch:
Special three-button metal footswitch
with LED indicators and detachable cord
(supplied) selects between three channels
and bypasses effects loop
System Hum & Noise @ Nominal Level:
(Clean channel - 20 Hz to 20 kHz unweighted)
Greater than 74 dB below rated power
(Adjustable noise gate circuitry for Ultra & Crunch)
Equalization:
Custom bass, mid & treble passive-type EQ
on Clean channel
Separate active +/-12 dB bass, mid & treble
EQs on Ultra & Crunch channels
Fat switches on Ultra & Crunch modifies low
frequency response
Resonance and presence damping EQ
controls in power amp
Dimensions & Weight:
11" (279 mm) H x 26.5" (673 mm) W x
11" (279 mm) D
52 lbs.(23.6 kG)
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