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AURA-4B900
CAURA4B900
Available
Multichannel amplifier | 4x900 W RMS @ 4 Ω | LoZ&HiZ | Class D
AURA-4B900 is a multichannel 4x900 W RMS @4Ω, high efficiency amplifier (class D). Compatibility with both Low and Hi impedance configurations and supporting dual or bridge mode (@4/8Ω). AURA Series are built with the highest robustness for long lasting performances with special power supply circuitry designed for optimized electrical consumption with fan cooling system. AURA Series also features the possibility of linking channels to the first input by selecting it on the rear panel, as well as auto stand-by, overload and thermal protection, PFC and anti-clipping system. The front panel volume knobs can be locked using rear panel switches for added security.
- Operating temperature
- Min:-10⁰ ; 14⁰ C
Max: 50⁰ ; 122⁰ F
- Operating humidity
- 5 - 85% RH, non-condensing
- Storage temperature
- Min:-10⁰ ; 14⁰ C
Max: 50⁰ ; 122⁰ F
- Storage humidity
- 5 - 85% RH, non-condensing
- Dimensions
- 484 x 44 x 378 mm / 19.06 x 1.73 x 14.88 in. (WxHxD)
484 x 44 x 411.6 mm / 19 x 1,73 x 16.20 in. (WxHxD) - Weight
- 7.7 kg / 16.98 lb
- Shipping dimensions
- 590 x 80 x 590 mm / 23.23 x 3.15 x 23.23 in. (WxHxD)
- Shipping weight
- 10.5 kg / 23.15 lb
- Frequency response
- 15Hz - 30kHz
- Input sensitivity
- 0 dBV
2,21 dBu
1 Vrms - CMRR
- 55 Typ
- Crosstalk
- 70dB
- AC mains requirement
- 100-240 V @ 50-60Hz (±10%)
- AC mains connector
- IEC C14 inlet
- Power supply
- Universal, regulated SMPS with PFC
- SNR
- 100dBA
- Output connection type
- 2-pin Euroblock. Pitch: 7,62 mm
- Power
- 1,5 W
24,01 VA
2,3 W
80,9 VA
97,4 W
161 VA
100,7 W
117 VA
637,6 W
689 VA
657,3 W
671 VA
1114,01 W
1129 VA
1129 W
1189 VA - Number of output channels
- 4
- Number of input channels
- 4
- Input connection type
- 3-pin Euroblock, balanced, pitch 3,5 mm
- Max output power @ 100V
- 900W
- Max output power @ 70V
- 900W
- Input impedance
- 20kΩ balanced
- Max input level
- +18dBV
20,21 dBu - THD + Noise
- 0,01%
- Damping factor
- 150
- Cooling
- 2 fans
- Maximum fan noise
- 57 dBA
- Input configuration
- Input link to CH1 selector per input
- Efficiency
- 80%
- DC protection
- Yes
- Short-circuit protection
- Yes
- Clip limiter
- Yes
- Thermal protection
- Yes
- Attenuators
- Front panel knobs per channel
VOL (default)/BYPASS option - Signal Present
- SIGNAL LED (Green) per channel
- Cliping
- CLIP LED (Red) per channel
- Standby
- AUTO STANDBY ON/OFF LED (Green) per unit
- Amplification technology
- Class D
Transformer isolated output - Power ON/OFF
- Front panel switch
- Thermal
- TH LED (Orange) by pairs of channels
- Protect
- PROT LED (Red) by pairs of channels
- Voltage gain
- 34 dB
- Power factor correction
- 0,95
- HF protection
- Yes
- Output mode settings
- Back panel Dipswitch by pairs of channels
DUAL/BRIDGE
LoZ/70V/100V - Standby / Mute
- AUTO STANDBY (Orange) by pairs of channels
- On
- ON LED (Green) per unit
- Energy saving
- Auto standby function selectable
- Current Draw
- 0,2 Arms
0,35 Arms
0,69 Arms
1,03 Arms
3,05 Arms
5,37 Arms
5,95 Arms
10.17 Arms - Thermal Loss
- 1,2 kcal/h
4,9 BTU/h
2,01 kcal/h
7,8 BTU/h
83,8 kcal/h
332,4 BTU/h
86,6 kcal/h
343,7 BTU/h
161,3 kcal/h
640,3 BTU/h
178,3 kcal/h
184,01kcal/h
730,4 BTU/h
196,9 kcal/h
781,6 BTU/h - RUN/SLEEP mode
- Auto standby function
Front panel button - Link
- LINK LED (White) per channel
Services and facilities implemented
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SYSTEM
| Number of input channels |
4 |
|---|
PHYSICAL
| Operating temperature |
Min:-10⁰ ; 14⁰ C
Max: 50⁰ ; 122⁰ F
|
|---|---|
| Operating humidity |
5 - 85% RH, non-condensing |
| Storage temperature |
Min:-10⁰ ; 14⁰ C
Max: 50⁰ ; 122⁰ F
|
| Storage humidity |
5 - 85% RH, non-condensing |
| Dimensions |
484 x 44 x 378 mm / 19.06 x 1.73 x 14.88 in. (WxHxD) 484 x 44 x 411.6 mm / 19 x 1,73 x 16.20 in. (WxHxD) |
| Weight |
7.7 kg / 16.98 lb |
| Shipping dimensions |
590 x 80 x 590 mm / 23.23 x 3.15 x 23.23 in. (WxHxD) |
| Shipping weight |
10.5 kg / 23.15 lb |
POWERED
| Power |
1129 W
1189 VA 637,6 W 689 VA 97,4 W 161 VA 2,3 W 80,9 VA 1114,01 W 1129 VA 657,3 W 671 VA 100,7 W 117 VA 1,5 W 24,01 VA |
|---|
ELECTRICAL
| AC mains requirement |
100-240 V @ 50-60Hz (±10%) |
|---|---|
| AC mains connector |
IEC C14 inlet |
| Power supply |
Universal, regulated SMPS with PFC |
| Power factor correction |
0,95 |
ANALOGUE AUDIO OUTPUT PORTS
| Crosstalk |
70dB |
|---|
CHANNELS
| Number of output channels |
4 |
|---|---|
| Input configuration |
Input link to CH1 selector per input |
SIGNAL
| SNR |
100dBA |
|---|---|
| Damping factor |
150 |
| Voltage gain |
34 dB |
TECHNOLOGIES
| Cooling |
2 fans |
|---|---|
| Maximum fan noise |
57 dBA |
| Efficiency |
80% |
| Amplification technology |
Class D
Transformer isolated output |
| Energy saving |
Auto standby function selectable |
PROTECTIONS
| DC protection |
Yes |
|---|---|
| Short-circuit protection |
Yes |
| Clip limiter |
Yes |
| Thermal protection |
Yes |
| HF protection |
Yes |
MONITORING
| Signal Present |
SIGNAL LED (Green) per channel |
|---|---|
| Cliping |
CLIP LED (Red) per channel |
| Standby |
AUTO STANDBY ON/OFF LED (Green) per unit |
| Thermal |
TH LED (Orange) by pairs of channels |
| Protect |
PROT LED (Red) by pairs of channels |
| Standby / Mute |
AUTO STANDBY (Orange) by pairs of channels |
| On |
ON LED (Green) per unit |
| Link |
LINK LED (White) per channel |
ANALOGUE AUDIO INPUTS
| Input sensitivity |
0 dBV
2,21 dBu
1 Vrms |
|---|
LINE INPUTS
| CMRR |
55 Typ |
|---|---|
| Input connection type |
3-pin Euroblock, balanced, pitch 3,5 mm |
| Input impedance |
20kΩ balanced |
| Max input level |
+18dBV
20,21 dBu |
LINE OUTPUTS
| Frequency response |
15Hz - 30kHz |
|---|---|
| Output connection type |
2-pin Euroblock. Pitch: 7,62 mm |
| THD + Noise |
0,01% |
LOCAL CONTROL
| Attenuators |
Front panel knobs per channel
VOL (default)/BYPASS option |
|---|---|
| Power ON/OFF |
Front panel switch |
| Output mode settings |
Back panel Dipswitch by pairs of channels
DUAL/BRIDGE
LoZ/70V/100V |
| RUN/SLEEP mode |
Auto standby function
Front panel button |
OUTPUT POWER - All channels driven @ 1%THD
| Max output power @ 100V |
900W |
|---|---|
| Max output power @ 70V |
900W |
POWER & HEAT @120VAC - STANDBY/SLEEP MODE
| Current Draw |
0,35 Arms 3,05 Arms 5,37 Arms 0,69 Arms 10.17 Arms 5,95 Arms 1,03 Arms 0,2 Arms |
|---|---|
| Thermal Loss |
196,9 kcal/h
781,6 BTU/h 161,3 kcal/h 640,3 BTU/h 83,8 kcal/h 332,4 BTU/h 2,01 kcal/h 7,8 BTU/h 184,01kcal/h 730,4 BTU/h 178,3 kcal/h 86,6 kcal/h 343,7 BTU/h 1,2 kcal/h 4,9 BTU/h |
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