Benchmark AHB2 High-Resolution Power Amplifier (Black)

Benchmark AHB2 High-Resolution Power Amplifier (Black)

Benchmark AHB2 High-Resolution Power Amplifier (Black)

B&H # BEAHB2 MFR # 500-18000-200
Important Notice: This item is non-cancelable and non-returnable
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Color: Black

Benchmark AHB2 High-Resolution Power Amplifier (Black) Benchmark AHB2 High-Resolution Power Amplifier (Silver)

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Version: Non Rack-Mount

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  • 1Description
The black AHB2 High-Resolution Power Amplifier from Benchmark is designed to accurately reproduce high resolution audio. The dynamic range approaches 130 dB, and the frequency response extends below 0.1 Hz and beyond 200 kHz. When reproducing high-resolution 24-bit PCM and 1-bit DSD digital audio formats, this amplifier allows you to hear nuances and dynamics which get lost when using amplifiers with lower dynamic ranges.

The AHB2 has bi-polar class-AB output stage that delivers high output current and low noise. The THX patented feed-forward error correction provides accurate cancellation of zero-crossing errors. In addition, the AHB2 uses a resonant switching power supply with a fast control loop so mechanical hum is eliminated while magnetic field strength is reduced.
Dynamic range approaches 130 dB
Bi-Polar class AB output stage provides efficiency and low crossover distortion
SpeakON output connectors
UPC: 837654830741
In the Box
Benchmark AHB2 High-Resolution Power Amplifier (Black)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Output Power 1 kHz, < 0.0003% THD+N
    100 W/channel into 8 Ω, both channels driven
    130 W/channel into 6 Ω, both channels driven
    190 W/channel into 4 Ω, both channels driven
    240 W/channel into 3 Ω, both channels driven
    200 W Bridged Mono into 16 Ω
    380 W Bridged Mono into 8 Ω
    480 W Bridged Mono into 6 Ω
    Input Sensitivity Low-Gain: 22 dBu (9.8 Vrms)
    Mid-Gain: 14.2 dBu (4 Vrms)
    High-Gain: 8.2 dBu (2 Vrms)

    Use Mid-Gain or High-Gain settings for unbalanced inputs. Unbalanced inputs require RCA to XLRM adapter cables.

    Input Impedance 50 kΩ, normal mode
    1 MΩ, common mode
    Triggers 12 VDC, 200 mA current-limited output of remote device
    VIL: 1.26 V, VIH: 2.7 V (input responds to 3.3 V logic and higher)
    Input Voltage Range -0.3 to 30 VDC
    Input Impedance 20 kΩ
    Cross Talk Better than -115 dB at 1 kHz
    Better than -92 dB at 20 kHz
    Frequency Response Better than 0.1 Hz to 200 kHz, +0/-3 dB
    -0.01 dB at 20 Hz, -0.17 dB at 20 kHz, 8Ω Load
    -0.23 dB at 20 Hz, -0.32 dB at 20 kHz, 4Ω Load
    Input CMRR 80 dB at 20 Hz, typical
    80 dB at 1 kHz, typical
    65 dB at 20 kHz, typical
    Maximum Output Current 18 A per channel, both channels driven
    18 A protection shut-down threshold
    Signal-to-Noise Ratio 132 dB A-weighted, Stereo Mode
    135 dB A-weighted, Bridged Mono
    130 dB Unweighted, 20 Hz to 20 kHz, Stereo Mode
    133 dB Unweighted, 20 Hz to 20 kHz, Bridged Mono
    THD+N 1 kHz, 80 kHz LPF, at full rated output into any rated load
    Stereo Mode: < -118 dB (< 0.00013%)
    Mono Mode: < -118 dB (< 0.00013%)
    THD 1 kHz, 20 kHz LPF, at full rated output into any rated load
    Stereo Mode: < -119 dB (< 0.00011%)
    Mono Mode: < -120 dB (< 0.00010%)
    Cooling Passive heat sinks
    Power Requirements 100 to 120 VAC ± 10%, 8 A, 50 - 60 Hz
    220 to 240 VAC ± 10%, 8 A, 50 - 60 Hz
    Dimensions (W x H x D) 11.0 x 3.9 x 9.3" (28.0 x 9.9 x 23.7 cm) including feet and binding posts
    Weight 12.5 lb (5.7 kg)
    Packaging Info
    Package Weight 15.85 lb
    Box Dimensions (LxWxH) 15.8 x 13.7 x 6.7"

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