Musical Instrument Amplifier User Manual

ManualsBrandsAmpeg ManualsMusical Instrument AmplifierB3158

Owner’s Guide

for the

B3 / B328 / B3158

Bass Amplifier

Made in the U.S.A. by

Summary of content (8 pages)

PAGE 1
Owner’s Guide for the B3 / B328 / B3158 Bass Amplifier Made in the U.S.A.
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B3/B328/B3158 Bass Amplifier TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Important Safeguards and Precautions . . . . . . . . . .2 The Front Panel Controls and Their Use . . . . . . .3,4 The Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . .4,5 Some Suggested Settings . . . . . . . . . . . . . . . . . . .6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .
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B3/B328/B3158 Bass Amplifier The Front Panel Controls and Their Use INPUT GAIN DRIVE BASS ULTRA MID TREBLE EQ ON 40Hz 80Hz 150Hz 300Hz 600Hz 900Hz 2kHz 5kHz 8kHz +12dB MASTER BALANCE FLAT 0 -15dB PAD LIMIT PEAK -12dB 1 2 3 4 5 6 7 1. INPUT: The signal output from an instrument (active or passive) or a line level signal may be connected here by means of a shielded instrument cable. 2. -15dB PAD: This switch, when depressed, attenuates the input signal by 15dB.
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B3/B328/B3158 Bass Amplifier The Front Panel Controls and Their Use 7. ULTRA-MEDIANOS: Este es el control primordial para el rango de las frecuencias medianas. Gire el control del centro hacia la izquierda para lograr un sonido de contorno (más distante, menor salida en el rango mediano) ó del centro hacia la derecha para obtener un sonido realmente penetrante. 8. AGUDOS: Esta perilla sirve como el control primordial para las frecuencias altas.
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B3/B328/B3158 Bass Amplifier The Rear Panel 21. PRE/POST SWITCH: You can select either pre or post-EQ for the signal at the Balanced Out jack (#23) with this switch. With the switch in the OUT position, the signal at the jacks will be pre-EQ. This is a direct output which is not affected by any EQ or boost settings. With the switch depressed, the signal is post-EQ and is controlled and modified by the tone controls, Graphic EQ and Effects Loop. 22.
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B3/B328/B3158 Bass Amplifier Some Suggested Settings* ROCK: GAIN DRIVE BASS ULTRA MID TREBLE The setting of the Gain control depends on your particular instrument. JAZZ: GAIN DRIVE BASS ULTRA MID TREBLE COUNTRY: GAIN DRIVE BASS ULTRA MID TREBLE DRIVE BASS ULTRA MID TREBLE FUNK “POPPING:” GAIN 6 The Master control should be set to produce the appropriate output volume level.
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B3/B328/B3158 Bass Amplifier Troubleshooting In the unlikely event that your B3/B328/B3158 should malfunction, take a few minutes to troubleshoot it before you call for service. You can save yourself time and money by doing it yourself, and often the cure for the problem is something quite simple.
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B3/B328/B3158 Bass Amplifier Technical Specifications OUTPUT POWER RATING B3, B328: 150 Watts RMS, 4Ω load B3158: Low Freq - 100 Watts RMS, 4Ω load High Freq - 50 Watts RMS, 8Ω load POWER REQUIREMENTS 120VAC, 60Hz, 170VA 100/115VAC, 50/60Hz, 170VA 220-240VAC, 50/60Hz, 170VA TONE CONTROL RANGE Bass: ±8dB @ 50Hz Ultra-Mid: +5, -17dB @500HZ Treble: +17, -22dB @ 5KHZ GRAPHIC EQ RANGE ±11dB @ 40Hz; ±8dB @ 80, 150, 300, 600, 900, 2kHz; ±9dB @ 9kHz GAIN 66dB typical, tones @ center SIGNAL TO NOISE RATIO 75dB typi