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Thank you for selecting the Ampeg B-15R Portaflex Bass Amplifier. Revived from the past and enhanced for the present,
this limited production model offers all of the best features of the 1960’s classic plus more. In order to get the most out of
your new amplifier, please read this user’s guide before its use.
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0db and -15dB Input Jacks
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Tube Bias Select Switch
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Patented “Flip Top” Enclosure
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Ultra High / Ultra Low Boosts
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Impedance Selector (8/4 Ohms)
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Ampeg Vintage 15” Speaker
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Input Gain Control
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Line Out/Line In jacks
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H.F. Horn w/Level control
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Three Band EQ
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XLR Balanced Line Out Jack
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100 watts RMS
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Five Position Mid Freq Select
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Line Out Level Control
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All Tube Design
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Master Volume Control
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Pre/Post Select Switch
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Removable Dolly Board w/Casters
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Half-Power Switch
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Ground Lift Switch
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Proudly Made In America
All Ampeg products are designed for continuous safe operation, as long as common sense is used and steps are taken
to help avoid certain problems. Abiding by the following rules can help prevent damage to your equipment, yourself, and
others.
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The unit is equipped with a three-pronged AC power cord. To reduce the risk of electrical shock, NEVER remove
or otherwise attempt to defeat the ground pin of the power cord.
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Connect the unit ONLY to a properly grounded AC outlet of the proper voltage for your unit.
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Avoid sudden temperature extremes, rain and moisture. Also, avoid sudden and intense impact. (If the unit has
been subjected to any of the preceding abuses, have it looked at by an authorized service center.)
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NEVER set the unit on a support that might give out under its weight.
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Always keep the total speaker impedance at or above the rated load.
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Unplug the unit before cleaning it. NEVER spray liquid cleaners onto the unit. Wipe it with a slightly dampened,
lint-free cloth to remove dirt and film.
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Do not use the unit if it has sustained damage to the chassis, controls, or power cord. Refer the unit to an
authorized service center for inspection.
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Audio equipment capable of producing high volume levels are also capable of inflicting permanent hearing loss
or damage, if the exposure to such levels is prolonged. Such damage is progressive and irreversible! Consider
using quality hearing protection devices.
INTRODUCTION:
FEATURES:
IMPORTANT SAFEGUARDS AND PRECAUTIONS: