B3/B328/B3158 Bass Amplifier
Technical Specifications
OUTPUT POWER RATING |
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| B3, B328: | 150 Watts RMS, 4Ω load |
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| B3158: | Low Freq - 100 Watts RMS, 4Ω | load |
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| High Freq - 50 Watts RMS, 8Ω | load |
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POWER REQUIREMENTS | 120VAC, 60Hz, 170VA |
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| 100/115VAC, 50/60Hz, 170VA |
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TONE CONTROL RANGE |
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| Bass: | ±8dB @ 50Hz |
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| +5, |
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| Treble: | +17, |
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GRAPHIC EQ RANGE | ±11dB @ 40Hz; ±8dB @ 80, 150, 300, 600, 900, 2kHz; ±9dB @ 9kHz | ||||
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GAIN |
| 66dB typical, tones @ center |
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SIGNAL TO NOISE RATIO | 75dB typical |
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INTERNAL SPEAKERS | B3 | B328 |
| B3158 | |
Low Frequency: | Size/Type: | 15” Ampeg Custom (1) | 8” Polypropylene (2) | 15” Ampeg Custom (1) | |
| Magnet: | 56 oz | 30 oz |
| 56 oz |
| Voice Coil: | 2.5” | 1.5” |
| 2.5” |
| Impedance: | 4Ω | 8Ω |
| 4Ω |
High Frequency: | Size/Type: | N/A | 8” Polypropylene (1) | ||
| Magnet: |
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| 30 oz |
| Voice Coil: |
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| 1” |
| Impedance: |
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| 8Ω |
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SIZE AND WEIGHT | B3 | B328 |
| B3158 | |
(W x H x D) |
| 20”x26”x13.5” | 20”x18.75”x13.5” | 20”x34.5”x14.5” | |
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| 68 lbs. | 57 lbs. |
| 84 lbs. |
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www.ampeg.com
Ampeg reserves the right to change specifications without notice.
Ampeg is proudly Made in America. ©1999 SLM Electronics, 1400 Ferguson Avenue, St. Louis, MO 63133 U.S.A.
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