Specifications; Power Amplifier Section; Preamp Section - Peavey Ultra Plus Ultra Plus Operating Manual

POWER AMPLIFIER SECTION

Four 6L6GCs with 12AX7 driver
Rated Power & Load:
120 W RMS into 16, 8, or 4 ohms
Power @ Clipping:
(typically @ 5% THD, 1 kHz, 120 VAC line)
130 W RMS into 16, 8, or 4 ohms
(Bias must be reduced to measure)
Frequency Response:
Hum 81 Noise:
Greater than 76 dB below rated power
Power Consumption:
Domestic: 400 W, 50/60 Hz, 120 V AC
Export: 400 W, 60 Hz, 220-230/240 V AC
Dimensions & Weight:
50.1 Ibs.

PREAMP SECTION

Three 12AX7s
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 @ IO
Gain switches out
Bottom, Body, & Edge @ 0 dB
Reverb level @ 0
Master level @ 10
(Nominal levels are with Pre Gain @ 5. Minimum levels are with
Pre Gain @ 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 selectecI1
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 .O mV RMS
Preamp Low Gain Input: (-6 dB Pad)
Impedance: High-Z, 44 K ohms
(all levels are increased by +6 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 ohms
Designed Level: -10 dBV, 300 mV RMS
Preamp Output:
Load Impedance: 47 K ohms or greater
Nominal Output: +I0 dBV, 3 V RMS
Remote Footswitch:
Special 3-button unit with LED indicators (supplied)
System Hum & Noise @ Nominal Level:
(Clean channel - 20 Hz to 20 kHz unweighted)
Greater than 74 dB below rated power
(Special noise gate circuitry for Ultra & Crunch)
Equalization: (clean channel on/y)
Custom Low, Mid, & High passive type EQ
Push Bright: +6 dB @ 2 kHz
Voicing: (U/tra & Crunch channels only)
Active Bottom, Body, & Edge EQ
Push Gain: Increases gain in Ultra & Crunch channels