User’s Guide for the BA500 Bass Amp Combo
BA500 Bass Amp Combo TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 The Front Panel Controls and Their Use . . . . . . . .4 The Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Some Suggested Settings . . . . . . . . . . . . . . . . . . .6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .7 System Block Diagram . . . . . . . . . . . . . . . . . . . . . .
BA500 Bass Amp Combo An introduction To Your New Ampeg BA500 Bass Amp Combo Thank you for making one of the best choices you will ever make for your musical career – choosing one of the finest bass amplifiers available, the Ampeg BA500. Your new BA500 bass amp combo provides many outstanding features which make this a true performer’s bass amp: 350 watts of power at four ohms, 500 watts at two ohms, a 45 degree tilt-back cabinet design, total tone control, and rugged construction.
BA500 Bass Amp Combo The Front Panel Controls and Their Use 1 2 3 4 5 6 7 1. INPUT: Connect your instrument here by means of a shielded instrument cable. 2. MUTE: This switch, when depressed, mutes the output of the amplifier to the speakers. This is excellent for tuning your bass with an electronic tuner without having to adjust any levels or turn down your stage volume. When a footswitch is used (see #19, rear panel) this switch is disabled. The Tuner Out and Bal.
BA500 Bass Amp Combo The Rear Panel 15 16 17 15. FAN: The temperature controlled, variable speed fan pulls cool air through the amplifier’s intake vents, forcing heat out through the fan. Never block the air intake holes or the fan opening. NOTE: It is not uncommon for the fan to remain off when the amplifier is first powered up. 16. FUSE: The fuse protects the unit from damage due to overload conditions or power line surges. If the fuse fails, replace it only with the same size and type. 17.
BA500 Bass Amp Combo Some Suggested Settings ROCK: JAZZ: COUNTRY: FUNK “POPPING:” 6 The setting of the Gain control depends on your particular instrument. The Master should be set to produce the appropriate output volume level. The Graphic EQ can be used to tailor the amplifier to your speaker cabinets, to compensate for room acoustics and to “fine tune” your sound.
BA500 Bass Amp Combo Troubleshooting In the unlikely event that your BA500 should stop working properly (or just stop working), take a few minutes to troubleshoot it before you call for service. You can save yourself a lot of time and sometimes money by doing it yourself, and often the cure for the problem is something quite simple.
BA500 Bass Amp Combo Technical Specifications OUTPUT POWER RATING 350 Watts RMS, 4 ohm load, 120VAC, 5% THD 540 Watts RMS, 2 ohm load, 120VAC, 5% THD TONE CONTROL RANGE Bass: Ultra Mid: Treble: GRAPHIC EQ RANGE +8dB / -18dB @ 50Hz ±8dB @ 500Hz +12dB / -24dB @ 5kHz 40Hz: ±11dB 80Hz: ±8dB 150Hz: ±8dB 300Hz: ±8dB 600Hz: ±8dB 900Hz: ±8dB 2kHz: ±8dB 5kHz: ±8dB 9kHz: ±12dB GAIN 60dB typical, tones @ center SIGNAL TO NOISE RATIO 75dB typical INTERNAL SPEAKERS (2) 10” cast frame, 225W, 8
