Ampeg Classic Quick Start Guide

PB
Technical Specifications
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WARRANTY AND SUPPORT
www.ampeg.com
Yamaha Guitar Group, Inc.
26580 Agoura Road, Calabasas, CA 91302-1921 USA
Part No. 40-00-0438 Rev. A
Signal-to-Noise Ratio
(50 Hz @ 300 mV RMS)
75 dB
Maximum Gain +18 dB
Power Requirements Internal: 9V Battery
External: 9V DC, ≥20 mA
Size (H x W x D) 2.2 x 2.6 x 4.5 in
56 x 66 x 114 mm
Weight 0.6 lb / 0.3 kg
All specifications subject to change
© 2019 Yamaha Guitar Group, Inc. All rights reserved.
Ampeg, the Ampeg logo, and Portaflex are trademarks or registered trademarks of Yamaha Guitar Group, Inc. in the U.S. and/or other jurisdictions.

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