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Product Shot
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Description
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Retail
Price
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REF7521a
260 Watt 2-channel power amplifier
US $131.43
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The Reference 7521a's high-output
PWM MOSFET power supply ensures optimum power delivery into numerous impedances
with low distortion.
The 7521a comes outfitted
with a variable 12dB per octave electronic crossover allowing you to optimize
system tuning based on speaker location and accompanying loudspeaker components.
A variable bass boost circuit
is provided to optimize the low fequency performance of your system.
Full range preamp outputs
are provided facilitating multiple amplifier hookups without the need for
costly Y-adapters or signal splitters.
High-level and low-level
input are provided allowing you to interface the Reference 7521a with either
an aftermarket or factory installed head units.
CEA Rated: Yes
Power Output: 97 watts RMS x
2 channel at 4 ohms and ? 1% THD + N 142 watts RMS x 2 channel at 2 ohms,
14.4V supply and ? 1% THD + N
Signal-to-Noise Ratio: 83 dBA
(reference 1 Watt into 4 ohms)
Dynamic Power: 190 watts at
2 ohms
Effective Damping Factor: 6.389
at 4 ohms
Frequency Response (-3dB): 10Hz
to 69kHz (-3dB)
Maximum Input Signal: 5.5V
Maximum Sensitivity: 240mV
Output Regulation: .078 dB at
4 ohms
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$229.95 |
REF7541a
520 Watt 4-channel amplifier
US $197.14
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The Reference 7541a's high-output
PWM MOSFET power supply ensures optimum power delivery into numerous impedances
with low distortion.
A variable bass boost circuit
is provided to optimize the low fequency performance of your system.
Full range preamp outputs
are provided facilitating multiple amplifier hookups without the need for
costly Y-adapters or signal splitters.
The 7540a comes outfitted
with a variable 12dB per octave electronic crossover allowing you to optimize
system tuning based on speaker location and accompanying loudspeaker components
High-level and low-level
input are provided allowing you to interface the Reference 7540a with either
an aftermarket or factory installed head units.
CEA Rated: Yes
Power Output: 111 watts RMS
x 4 channel at 4 ohms and ? 1% THD + N 278 watts RMS x 2 channel at 4 ohms,
14.4V supply and ? 1% THD + N
Signal-to-Noise Ratio: 81dBA
(reference 1 watt into 4 ohms)
Dynamic Power: 164 watts at
2 ohms
Effective Damping Factor: 6.315
at 4 ohms
Frequency Response (-3dB): 10Hz
to 100kHz (-3dB)
Maximum Input Signal: 5.5V
Maximum Sensitivity: 230mV
Output Regulation: .088 dB at
4 ohms
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$374.95 |
REF5761a
560 Watt 6-Channel Power Amplifier
US $260.54
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The Reference 5761a's high-output
PWM MOSFET power supply ensures optimum power delivery into numerous impedances
with low distortion.
High-level and low-level
inputs are provided allowing you to interface the Reference 5761a with
either an aftermarket or factory installed head unit.
The 5761a comes outfitted
with three variable 12dB per octave electronic crossovers allowing you
to optimize system tuning based on speaker selections and location.
Optional remote level bass
control available.
CEA Rated: Yes
Power Output: 56 watts RMS x
4 channels + 107 watts RMS x 2 channels at 4 ohms and ? 1% THD + Noise
148 watts x 2 + 287 watts x 1 at 4 ohms, 14.4V supply and ? 1% THD + N2
Signal-to-Noise Ratio: 82dBA
(reference 1 watt at 4 ohms)
Dynamic Power: 117 watts (channels
1,2,3,4); 163 watts (channels 5,6)
Effective Damping Factor: 6.373
at 4 ohms
Frequency Response (-3dB): 10Hz
to 57kHz (channels 1,2,3,4) 10Hz to 302Hz (channels 5,6)
Maximum Input Signal: 6.3V
Maximum Sensitivity: 250mV
Output Regulation: .063dB at
4 ohms
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$474.95 |
REF311a
300 Watt Subwoofer Amplifier
US $163.85
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High-output PWM MOSFET power supply
ensures optimum power delivery into numerous impedances with low distortion.
The Reference 311a features
a 12dB per octave electronic crossover, allowing you to optimize bass performance
based on enclosure type and subwoofer selection.
Full-range preamp outputs
faciliate use of multiple amplifiers without the need for noisy and expensive
adapters or signal splitters.
Optional remote level bass
control available.
Dynamic Bass Optimization™
(DBO) circuit – Provides variable filtering with adjustable "Q" below 100Hz,
far beyond conventional "Bass EQ" circuits, by allowing the low-frequency
output to be optimized for specific subwoofer applications.
CEA Rated: Yes
Power Output: 116 watts RMS
x 1 channel at 4 ohms and ? 1% THD + N
Signal-to-Noise Ratio: 81 dBA
(reference 1 watt into 4 ohms)
Dynamic Power: 347 watts at
2 ohms
Effective Damping Factor: 6.398
at 4 ohms
Frequency Response (-3dB): 17Hz
to 302Hz (-3dB)
Maximum Input Signal: 6V
Maximum Sensitivity: 250 mV
Output Regulation: .05 dB at
4 ohms
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$374.95 |
REF611a
600 Watt Class D Subwoofer Amplifier
US $229.97
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The high-frequency Class D switching
power supply used in the Reference 610a is more efficient than traditional
class A/B supply’s and draws less current from your vehicle’s charging
system.
Full-range preamp outputs
faciliate use of multiple amplifiers without the need for noisy and expensive
adapters or signal splitters.
The Reference 611a features
a 12dB per octave electronic crossover, allowing you to optimize bass performance
based on enclosure type and subwoofer selection.
Dynamic Bass Optimization
(DBO) - This provides variable filtering with adjustable "Q" below 100Hz,
far beyond conventional "Bass Q" circuits, by allowing the low-frequency
output to be optimized for specific subwoofer applications. Frequencies
below an enclosure's tunign frequency can be attenuated, preventing damage
to the subwoofer and allowing the amplifier's power to be better utilized.
Optional remote level bass
control available.
CEA Rated: Yes
Power Output: 456 watts RMS
x 1 channel at 4 ohms and ? 1% THD + N 657 watts RMS x 1 channel at 2 ohms,
14.4V supply and ? 1% THD + N
Signal-to-Noise Ratio: 70 dBA
(reference 1 watt into 4 ohms)
Dynamic Power: 761 watts at
2 ohms
Effective Damping Factor: 6.336
at 4 ohms
Frequency Response (-3dB): 17Hz
- 251Hz
Maximum Input Signal: 6V
Maximum Sensitivity: 250mV
Output Regulation: .179 dB at
4 ohms
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$424.95 |
1211a
1200 Watt Class D Subwoofer
Amplifier
US $293.77
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The high-frequency Class D switching
power supply used in the Reference 1211a is more efficient than traditional
class A/B supply’s and draws less current from your vehicle’s charging
system.
The Reference 1211a features
a 12dB per octave electronic crossover, allowing you to optimize bass performance
based on enclosure type and subwoofer selection.
Dynamic Bass Optimization
(DBO) - This provides variable filtering with adjustable "Q" below 100Hz,
far beyond conventional "Bass Q" circuits, by allowing the low-frequency
output to be optimized for specific subwoofer applications. Frequencies
below an enclosure's tunign frequency can be attenuated, preventing damage
to the subwoofer and allowing the amplifier's power to be better utilized.
Full-range preamp outputs
faciliate use of multiple amplifiers without the need for noisy and expensive
adapters or signal splitters.
Optional remote level bass
control available.
CEA Rated: Yes
Power Output: 854 watts RMS
x 1 channel at 4 ohms and ? 1% THD + N 1300 watts RMS x 1 channel at 2
ohms, 14.4V supply and ? 1% THD + N
Signal-to-Noise Ratio: 72 dBA
(reference 1 watt into 4 ohms)
Dynamic Power: 1516 watts at
2 ohms
Effective Damping Factor: 6.357
at 4 ohms
Frequency Response (-3dB): 17Hz
to 302Hz (-3dB)
Maximum Input Signal: 5.7V
Maximum Sensitivity: 260mV
Output Regulation: .132 dB at
4 ohms
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$574.95 |