| BUX Series ? BUX 2.8 Professional Power Amplifier |
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Presentation |
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| Power amplification at its best means absolutely linear handling of any complex audio signal.
Our BUX Series are unique, powerful amplifiers built to meet the highest professional requirements, thanks to new circuit philosophy that guarantees outstanding performance with field proven reliability. With these qualities, RAM Audio units outperform most modern amplifiers in terms of technical specs and pure sonic performance. To achieve industrial economy and efficiency, the BUX Series Power Modules, share component topology and maintain technical coherence by increasing heat sink size according to power output. BUX Series have been designed giving extreme attention to all production steps from the engineering stand point. All boards are naturally double sided plate-through fibre glass. Most advanced SMT circuits are used for overall reliability, ease of assembly and full field servicing. |
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| Features | |
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2/3U high, heavy duty steel chassis |
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Modular construction for easy servicing |
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Symmetrical layout for even weight distribution |
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High efficiency toroidal main transformer |
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Oversized, high energy, linear power supply |
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Dual, parallel or bridged operation |
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Twin balanced inputs (Neutrik XLR connectors) |
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Dual Speakon and Binding posts outputs |
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41 step detented input attenuators |
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High quality components used throughout |
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Efficient back to front cooling |
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Dual, continuously variable speed axial fans |
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Fault, signal, and clip indicators |
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Duraluminium, 8mm thick front-panel |
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Unobtrusive carrying handles |
| Protections | |
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Calibrated mains fuse |
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Independent channel supply fuses |
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Input signal muting at turn on |
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Continuous short-circuit protection (CSP) |
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Thermal overload protection |
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Intelligent clip-limiter (ICL) |
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Progressive Ramp input signal |
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Currentless relay operation (CRO) |
| Technical Specifications | |
| Output Power | |
| Continuous Average Power RMS, 1kHz, 1.0%THD+N | |
| @ 2 ohms @ 4 ohms @ 8 ohms Bridge @ 4 ohms Bridge @ 8 ohms |
2x 2200W 2x 1400W 2x 760W 4400W 2800W |
| Pink Noise 12dB Crest Factor | |
| @ 2 ohms @ 4 ohms |
2x 2750W 2x 1700W |
| Frequency Response | |
| Power Bandwidth ±0.25dB | 20Hz – 20kHz |
| Phase Response | |
| @ 1watt 20Hz – 20kHz | ±15deg |
| Total Harmonic Distortion | |
| 20Hz – 20kHz | |
| Intermodulation Distortion | |
| SMPTE | |
| Crosstalk | |
| 20Hz – 20kHz | >75dB |
| Voltage Gain | |
| dB | 33.1dB |
| Sensitivity | |
| Rated Power@4ohms | 1.66V |
| Signal-to-Noise-Ratio | |
| A weighted No weighting |
116dB 105dB |
| Required AC Mains 230V/50Hz or 120V/60Hz | |
| 1/8 rated power (230V@4ohms) | 7.5A |
| Dimensions | |
| W x H x D | 483 x 89 x 442 mm 19 x 3.5 x 17.4 in |
| Weight | |
| Shipping Net |
21.8 Kg – 48.1 Lbs 21 Kg – 46 Lbs |
| Protections | |
| Soft-start, Turn-on Turn-off transients, Muting at turn-on, Over-heating, DC, RF, Short-circuit (CSP), Open or mismatched loads, Overloaded power supply, Input overload (ICL), CRO | |
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