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Ampeg Classic User Manual

Ampeg Classic
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3
Classic Analog Bass Preamp
CAUTION: Changes or modifications to this
device not expressly approved by LOUD
Technologies Inc. could void the user’s
authority to operate the equipment under
FCC rules.
This apparatus does not exceed the
Class A/Class B (whichever is applicable)
limits for radio noise emissions from digital
apparatus as
set out in the radio interference
regulations of the Canadian Department
of
Communications.
Exposure to extremely high noise levels may
cause permanent hearing loss. Individuals
vary considerably in susceptibility to noise-
induced hearing loss, but nearly everyone will
lose some hearing if exposed
to sufficiently intense noise for a period of
time. The U.S. Government’s Occupational
Safety and Health Administration (OSHA)
has specified the permissible noise level
exposures shown in the following chart.
According to OSHA, any exposure in excess
of these permissible limits could result
in some hearing loss. To ensure against
potentially dangerous exposure to high
sound pressure levels, it is recommended
that all persons exposed to equipment
capable of producing high sound pressure
levels use hearing protectors while the
equipment is in operation. Ear plugs or
protectors in the ear canals or over the
ears must be worn when operating the
equipment in order to prevent permanent
hearing loss if exposure is in excess of
the limits set forth here:
Duration, per
day in hours
Sound
Level dBA, Slow
Response
Typical Example
8 90
Duo in small club
6 92
4 95
Subway Train
3 97
2 100
Very loud classical music
1.5 102
1 105
The boss screaming at his minions about manual deadlines
0.5 110
0.25 or less 115
Loudest parts at a rock concert
Laite on liitettävä suojakoskettimilla varustettuun pistorasiaan.
Apparatet må tilkoples jordet stikkontakt.
Apparaten skall anslutas till jordat uttag.
Correct disposal of this product: This symbol indicates that this product should not be disposed of with your household waste,
according to the WEEE directive (2012/19/EU) and your national law. This product should be handed over to an authorized
collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of this type of waste could have
a possible negative impact on the environment and human health due to potentially hazardous substances that are generally
associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the effective
usage of natural resources. For more information about where you can drop off your waste equipment for recycling, please
contact your local city office, waste authority, or your household waste disposal service.

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Ampeg Classic Specifications

Audio Specifications IconAudio Specifications
signal to noise ratio75 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 IconImpedance
input impedance1 M @ Normal, 83 k w/–15 dB Pad
output impedance120
Power Requirements IconPower Requirements
internal power9V Battery
external power9VDC, ≥20 mA, center negative
Weight and Dimensions IconWeight 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) metric56 mm x 66 mm x 114 mm
weight0.6 lb / 0.3 kg

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