RAM BUX series – 2×475 Watt Amplifier

Discontinued

1,195.16 incl. GR VAT

Out of stock

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  BUX Series ? BUX 1.0Professional Power Amplifier Presentation 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 […]

 

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BUX Series ? BUX 1.0
Professional Power Amplifier

Presentation

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.

Features
2/3U high, heavy duty steel chassis
Modular construction for easy servicing
Symmetrical layout for even weight distribution
High efficiency toroidal main transformer
Oversized, high energy, linear power supply
Dual, parallel or bridged operation
Twin balanced inputs (Neutrik XLR connectors)
Dual Speakon and Binding posts outputs
41 step detented input attenuators
High quality components used throughout
Efficient back to front cooling
Dual, continuously variable speed axial fans
Fault, signal, and clip indicators
Duraluminium, 8mm thick front-panel
Unobtrusive carrying handles
Protections

Calibrated mains fuse
Independent channel supply fuses
Input signal muting at turn on
Continuous short-circuit protection (CSP)
Thermal overload protection
Intelligent clip-limiter (ICL)
Progressive Ramp input signal
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 600W
2x 475W
2x 340W
1200W
950W
Pink Noise 12dB Crest Factor 
@ 2 ohms
@ 4 ohms
2x 1000W
2x 700W
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 0.96V
Signal-to-Noise-Ratio
A weighted
No weighting
112dB
99.5dB
Required AC Mains 230V/50Hz or 120V/60Hz
1/8 rated power (230V@4ohms) 3.4A
Dimensions
W x H x D 483 x 89 x 442 mm
19 x 3.5 x 17.4 in
Weight
Shipping
Net
16.8 Kg – 37 Lbs
16 Kg – 35.3 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
Weight 17.00 kg

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Quick Comparison

RAM BUX series - 2x475 Watt Amplifier removeAMERICAN AUDIO VLP-1000 Power Amplifier 2x500 Watts removeINTERM R-500 PLUS AMPLIFIER 2X250W removeRCF ED 600: 600 W, 2 IN, EXTENDED DYNAMIC STEREO POWER AMPLIFIERS removeBEHRINGER EP2000 EUROPOWER STEREO AMPLIFIER 2x350W 8Ω 2x500W 4Ω removeYAMAHA PC-2001N Power Amplifier 2x250W remove
NameRAM BUX series - 2x475 Watt Amplifier removeAMERICAN AUDIO VLP-1000 Power Amplifier 2x500 Watts removeINTERM R-500 PLUS AMPLIFIER 2X250W removeRCF ED 600: 600 W, 2 IN, EXTENDED DYNAMIC STEREO POWER AMPLIFIERS removeBEHRINGER EP2000 EUROPOWER STEREO AMPLIFIER 2x350W 8Ω 2x500W 4Ω removeYAMAHA PC-2001N Power Amplifier 2x250W remove
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SKUSBUX10E003175R-500 PLUSED600E005275H060.00037
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Description
Content  
BUX Series ? BUX 1.0
Professional Power Amplifier

Presentation

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.
Features
2/3U high, heavy duty steel chassis
Modular construction for easy servicing
Symmetrical layout for even weight distribution
High efficiency toroidal main transformer
Oversized, high energy, linear power supply
Dual, parallel or bridged operation
Twin balanced inputs (Neutrik XLR connectors)
Dual Speakon and Binding posts outputs
41 step detented input attenuators
High quality components used throughout
Efficient back to front cooling
Dual, continuously variable speed axial fans
Fault, signal, and clip indicators
Duraluminium, 8mm thick front-panel
Unobtrusive carrying handles
Protections

Calibrated mains fuse
Independent channel supply fuses
Input signal muting at turn on
Continuous short-circuit protection (CSP)
Thermal overload protection
Intelligent clip-limiter (ICL)
Progressive Ramp input signal
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 600W
2x 475W
2x 340W
1200W
950W
Pink Noise 12dB Crest Factor 
@ 2 ohms
@ 4 ohms
2x 1000W
2x 700W
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 0.96V
Signal-to-Noise-Ratio
A weighted
No weighting
112dB
99.5dB
Required AC Mains 230V/50Hz or 120V/60Hz
1/8 rated power (230V@4ohms) 3.4A
Dimensions
W x H x D 483 x 89 x 442 mm
19 x 3.5 x 17.4 in
Weight
Shipping
Net
16.8 Kg - 37 Lbs
16 Kg - 35.3 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

- Output Power:
500W RMS Per Channel @ 4 Ohms, 1kHz, 0.1% THD
330W RMS Per Channel @ 8 Ohms, 1kHz, 0.1% THD
- Bridge Mode, Mono 820W RMS @ 8 Ohms, 1K Hz, 1% THD
- Total Harmonic Distortion: Less Than 0.1% (20Hz - 20kHz @ 8 Ohms)
- Frequency Response: (+/-01db, @rated output Power, 8 Ohms): 20Hz - 20K Hz
- Slew Rate: 15V Per usec
- Damping Factor: @ 8 Ohm: 300
- Impedance: 20 Ohms balanced / 10 Ohms unbalanced
- Cooling System: 2 individual fans
- Special Features: High/Low Pass Filter / Input Sensitivity Selector / Ground Lift; Limiter
- build in clip limiter
- Input: XLR 3pin + Jack 6,3mm
- output: Speakon + Binding post
- Dimensions (LxWxH): 360 x 482 x 88mm 2-rack mount spaces
- Weight: 15 KG.

Power Output Level R-300 PLUS

STEREO
8ohm(T.H.D 0.05%)  170W+170W
4ohm(T.H.D 0.05%)  250W+250W

BRIDGED MONO
8ohm(T.H.D 0.05%)  460W
8ohm(T.H.D 0.5%)    500W

Frequency Response 20Hz- 20kHz, ±0.5dB

Convection Cooled

SoftStart Protection System

Balanced 10kΩ@0.775V Inputs

The high efficiency of the ED series enables maximum efficiency with low heat generation.

A new and unique Class-H circuity technology using state of the art SMD Surface Mount Technology with a reduced number of components offering performance levels exceeding audiophile levels like a slew rate of 50V/µs and high-end extended dynamic sound. The amplifier provides 2x300W into 4 Ohm is equipped complete with temperature-controlled fan cooling, all common protective circuits such as over-temperature, short circuit, RFI and soft start.
The integral soft clip limiter protects against damage to the connected loudspeakers, the activity of a protective circuit, signal and limiter are shown for each channel by LEDʼs.

AMPLIFIER SPECIFICATIONS
Power output stereo 4Ω:2 x 300 Watt rms 
Power output stereo 8Ω:2 x 180 Watt rms 
Power output bridged 8Ω:600 Watt rms 
Frequency Response:20 Hz ÷ 20 kHz  
Signal/noise rate:> 105 dB 
Crosstalk:> 70 dB 
Distortion (THD+N): 
Intermodulation: 
Damping factor:200:1 (8 Ω) 
Slew rate:50 V/μS 
INPUT SECTION
Input connector:2 x XLR balanced, 6,3mm jack unbalanced 
Input sensitivity:0 / 0.775 dBm/V RMS 
Input impedance: 10.000 kΩ 
Controls:Volume control for each channel 
OUTPUT SECTION
Output connector:2 x Neutrik Speakon 4 ways 
SYSTEM PARAMETERS
Cooling:Two-speed fan 
Protections:Temperature, DC, RFI short circuit, Soft-Start thermal on transformer 
Amplifier class:H 
POWER REQUIREMENT
Operating voltage:220÷240 / 110÷120 ~ 50 / 60 V ~ Hz  
Max.current:6 A 
Power Consumption:1300 W 
PHYSICAL SPECIFICATIONS
Height:88 / 3.46 mm/inch 
Width:483 / 19.01 mm/inch 
Depth:350 / 13.77 mm/inch 
Net Weight:11.45 / 25.24 Kg/Lbs 
SHIPPING INFORMATION
Package height:120 / 4.72 mm/inch 
Package width:540 / 21.25 mm/inch 
Package depth:470 / 18.05 mm/inch 
Shipping Weight:13.81 / 30.44 Kg/Lbs

 

  • 2Χ350W 8Ω 2x500W 4Ω 2x650W  STEREO MODE


  • BRIDGE 2000W 4 Ω
  • 16Kg

  • 2 x 1,000 Watts into 2 Ohms; 2 x 750 Watts into 4 Ohms; 2,000 Watts into 4 Ohms (bridge mode)
  • Precise Power, Signal and Clip LEDs to monitor performance
  • XLR and 1/4" TRS input connectors for compatibility with any source
  • Professional speaker connectors and "touch-proof” binding posts support most speaker wiring systems
  • Selectable low-frequency filters (30 Hz or 50 Hz) remove distracting infra-sound frequencies
  • Independent limiters per channel offer reliable protection against overload and distortion
  • High-current toroidal transformer for ultra-high transient response and absolute reliability
  • Ultra-reliable Toshiba/Fairchild power transistors
  • Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers without shutting down the show
  • “Back-to-front” ventilation system including air filter for reliable operation
  • “Built-like-a-tank,” impact-resistant, all-steel 2U rackmount chassis
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany

A full model revision takes Yamaha's high-end PC-N power amplifiers to the next level - the PC-1N Series. The new PC-1N Series amplifiers feature an extraordinarily solid low end, rich midrange, and superbly defined highs. They also deliver fast response and exceptional stability even in the face of serious power supply limitations. Refinements throughout this expanded five-model lineup make these amplifiers the new benchmarks for quality, reliability, and versatility in professional applications. Frequency Response: 10 Hz – 40 KHz. Output Power: 2 x 250 Watt / 8Ω RMS, 2 x 450 Watt / 4Ω RMS, 900 Watt / 8Ω bridge RMS. Weight: 12,5 Kg.

Weight17.00 kg15.00 kg10.40 kg13.81 kg16.00 kg12.50 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 17.00 kg
Weight 15.00 kg
Weight 10.40 kg
Weight 13.81 kg
Weight 16.00 kg
Weight 12.50 kg