Ampeg Classic Quick Start Guide

PB
Standard
Setup
What’s in the Box
Classic Analog Bass Preamp Pedal, Quick Start Guide.
Hookup Diagrams
thresh
peak
mute
input
-15dB ultra lo
mute ultra hi
gaincompression bass midrange frequency treble volume
PF-800
fx mix
312 45
0 100 100 100 100 100 100 10
audio
in
phonesfault
Analog Bass Preamp
Volume
Ultra Lo
Ultra Hi
Bass
Mid
Treble
Analog Bass Preamp
Volume
Ultra Lo
Ultra Hi
Bass
Mid
Treble
INSIDE
POWER HANDLING:
800W RMS (MONO)
400W RMS (DUAL)
IMPEDANCE:
4 OHMS (MONO)
8 OHMS (DUAL)
PIN 1+ = POS (+)
PIN 1- = NEG (-)
4X10-DUAL MODE ONLY
4X10-DUAL MODE
MONO INPUTS
-or-
To Power
Amp In
Alternate Setup - Connect pedal’s Output to
your amplifier’s Power Amp Input

Ampeg Classic Specifications

Audio Specifications

signal to noise ratio	75 dB
maximum gain	+18 dB
bass tone control	+7/–20 dB @ 40 Hz
mid tone control	+5/–11 dB @ 500 Hz
treble tone control	+10/–10 dB @ 4 kHz
ultra hi	+7 dB @ 8 kHz
ultra lo	+2 dB @ 40 Hz / –10 dB @ 500 Hz

Impedance

input impedance	1 M @ Normal, 83 k w/–15 dB Pad
output impedance	120

Power Requirements

internal power	9V Battery
external power	9VDC, ≥20 mA, center negative

Weight and Dimensions

size (H x W x D)	2.2 in x 2.6 in x 4.5 in
size (H x W x D) metric	56 mm x 66 mm x 114 mm
weight	0.6 lb / 0.3 kg