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Grace Design A802-ADAT - 8 Channel Analog to Digital Converter (Option B) for the m802 Preamp

Grace Design A802-ADAT Analog to Digital Converter (Option B)


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Ship Time: 7-14 business days 
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You Pay: $1,695.00

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The m802-ADAT from Grace Designs is an A/D converter card option that provides m802 users with state of the art A/D conversion for demanding music recording applications. The card provides A/D conversion that is transparent, and matches the musical character of the m802 preamplifier.

The converter's analog input circuitry is simple and pure. The fully differential circuitry contains no electrolytic capacitors and utilizes precision 0.5% tolerance thin film resistors, to ensure the absence of signal coloration from capacitor dielectric absorption and resistor thermal modulation. Careful attention to grounding and power supply layout eliminates any sonic aberrations.

The A/D converter employs a fifth-order delta-sigma modulator and a low pass filter that exhibits very wide dynamic range and low latency. It is capable of 120dB dynamic range with distortion and noise artifacts at less than -110dB. Separate power supplies for the analog and digital portions of the A/D converter ensure that the modulator will not be affected by other surrounding circuitry.

World class, eight-channel A/D converter performance with 24-bit resolution and 44.1kHz to 192kHz sample rates
Multiple clock sources include internal crystal, external Wordclock and loop sync
Clock output can be Wordclock in, recovered Wordclock or internal reference Wordclock
Very low distortion conversion
Low phase noise, wide lock PLL for external clock. Locks to Fs +/- 8%
Extremely low jitter s-Lock crystal based PLL
Two sets of eight-channel AES3 outputs on DB25 connector
Two sets of eight-channel ADAT lightpipe outputs
The two ADAT Lightpipe outputs support S/MUX for 88.2/96kHz sample rate operation
All ADC parameters are adjustable from the m802 remote control or the m802 front panel
All data outputs are transformer coupled
ADC 24-bit
DAC Not applicable
Sample Rates Internal: 44.1, 48, 88.2, 96, 176.4 and 192kHz
External Wide Lock Mode: 40.1kHz to 207kHz (+/-8% at each sample rate)
s-Lock Mode: +/-250ppm (+350, -400ppm typical)
Analog In Not applicable
Analog Outputs Not applicable
Digital Input Connectors Not applicable
Digital Output Connectors 1 x D-sub 25pin connector providing 2 x 8 channels of AES/EBU

2 x ADAT Lightpipe providing 2 x 8 channels of ADAT optical
Word Clock 1 x BNC 75Ω Wordclock In
1 x BNC 75Ω Wordclock Out
Dynamic Range >117dB, A-weighted
Frequency Response 5Hz to 21kHz (+/- 0.2dB) @ 44.1kHz sampling rate
THD + N <0.00026% (-112dB)
Specialties Supports s/MUX for 88.2/96kHz sample rates
Grace Design A802-ADAT - 8 Channel Analog to Digital Converter (Option B) for the m802 Preamp
  • Five (5) Year Warranty
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    This is a Special order item. Est. arrival at B&H is 7-14 business days (subject to availability). Your order will be charged at time of shipment. Item is non-cancelable and non-returnable.
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