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  4. Benchmark DAC3 B 2 channel Digital Audio Converter Black
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Benchmark DAC3 B 2 channel Digital Audio Converter Black
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Benchmark DAC3 B 2 channel Digital Audio Converter Black

Product Code: 413950

The DAC3 B is the ideal converter to use in front of Benchmark's HPA4 headphone amplifier or LA4 line amplifier.

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Benchmark DAC3 B 2 cannel Digital Audio Converter Black


It is ideal for many professional studio applications. It delivers the full performance of the flagship DAC3 HGC, but eliminates the volume control, the analog inputs, the mute and polarity controls, and the headphone amplifier.

The DAC3 B is the basic D/A converter in Benchmark's DAC3 converter series. The DAC3 B is the ideal converter to use in front of Benchmark's HPA4 headphone amplifier or LA4 line amplifier. It is also ideal for many professional studio applications. It delivers the full performance of the flagship DAC3 HGC, but eliminates the volume control, the analog inputs, the mute and polarity controls, and the headphone amplifier.

To make system integration easy, the DAC3 B retains IR remote control (handset optional), 12 V trigger, and the programmable auto-on feature. The DAC3 B adds a control-lock feature that turns off the remote control and locks the keypad to prevent tampering and accidental changes. The optional 1/2-width rack-mount faceplate allows the mounting of two units in a single 1-RU rack space.

The DAC3 B sounds exactly like the DAC3 HGC because it uses the exact same circuit board and the exact same audio path. Benchmark has simply eliminated the unnecessary parts to deliver a stripped down race car of a converter. If you want a basic D/A converter that delivers the finest conversion available, the DAC3 B is for you.

The DAC3 B is a 2-channel D/A converter featuring the new ESS Technologies ES9028PRO converter chip. The DAC3 converter has lower THD and THD+N noise than Benchmark's DAC2 converters.

AUDIO PERFORMANCE

  • Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu (unless noted)
  • SNR – A-Weighted, 0 dBFS = +24 dBu: 125 dB, 128 dB relative to intersample peaks
  • SNR – Unweighted, 0 dBFS = +24 dBu: 123 dB, 126 dB relative to intersample peaks
  • THD+N, 1 kHz at 0 dBFS: -113 dBFS, -113 dB, 0.00022%
  • THD+N, 1 kHz at -1 dBFS: -114 dBFS, -113 dB, 0.00022%
  • THD+N, 1 kHz at –3 dBFS: -119 dBFS, -116 dB, 0.00016%
  • THD+N, 20 to 20 kHz test tone at –3 dBFS: -113 dBFS, -110 dB, 0.00032%
  • Frequency Response at Fs=192 kHz:
    • +0 dB, -0.015 dB (20 to 20 kHz)
    • -0.015 dB at 10 Hz
    • -0.005 dB at 20 kHz
    • -0.031 dB at 40 kHz
    • -0.15 dB at 80 kHz
  • * Frequency Response at Fs=48 kHz:
    • +0 dB, -0.015 dB (20 to 20 kHz)
    • -0.015 dB at 10 Hz
    • -0.005 dB at 20 kHz
  • * Crosstalk:
    • -116 dB at 20 kHz
    • -130 dB at 1 kHz
    • -137 dB at 20 Hz
  • * Maximum Amplitude of Jitter Induced Sidebands (10 kHz 0 dBFS test tone, 12.75 UI sinusoidal jitter at 1 kHz): < -144 dB
  • * Maximum Amplitude of Spurious Tones with 0 dBFS test signal: < -138 dB
  • * Maximum Amplitude of Idle Tones: < -147 dB
  • * Maximum Amplitude of AC line related Hum & Noise: < -133 dB
  • * Inter-channel Differential Phase (Stereo Pair – any sample rate): +/- 0.25 degrees at 20 kHz
  • * Inter-channel Differential Phase (Between DAC3 Units Fs<110 kHz) Any sample rate. +/- 0.25 degrees at 20 kHz
  • * Maximum Lock Time after Fs change: 6 ms
  • * Soft Mute Ramp Up/Down Time: 9.6 ms
  • * Mute on Receive Error: Yes
  • * Mute on Lock Error: Yes
  • * Mute on Idle Channel: No
  • * 50/15 us De-Emphasis Enable: Automatic in Consumer Mode
  • * De-Emphasis Method: Digital IIR
  • * De-Emphasis Supported at: Fs = 32, 44.1, 48 kHz
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