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840C
Issue Date: 07
th
February 2007
SERVICE MANUAL
SPECIFICATIONS:
D/A Converters Dual Analog Devices Total correlated jitter <130pS
AD1955 24 bit DAC’s
Crosstalk @1kHz <-130dB
Digital Filter Analog Devices Black Fin Crosstalk @20kHz <-114dB
ADSP-BF532 32 bit DSP
Performing ATF™ Output impedance <50 ohms
Up sampling to 24 bit 384 kHz
Digital input word
widths supported 16-24 bit
Analog Filter 2 Pole Fully Differential
Linear Phase Bessel Filter Digital output word
widths supported 16, 20, 24 bit
Frequency Response 20Hz – 20kHz (+\-0.1dB) Digital input sampling 32kHz, 44.1kHz,48kHz,88.2kHz
frequencies supported 96kHz, 176.4kHz, 192kHz
THD @ 1 KHz 0dBFs <0.0005%
Digital output sampling 32 kHz – 192 kHz pass through
frequencies supported (including 44.1 kHz for CD)
48 kHz, 96 kHz, 192 kHz up sampled
THD @ 1Khz -10dBFs <0.0004%
Audio output up sampling Fixed 24 bit, 384kHz
THD @ 20 KHz 0dBFs <0.0007%
Dimensions (H x W x D) 115 x 430 x 360 mm
(4.5 x 16.9 x 14.7”)
IMD (19/20 kHz) 0dBFs <0.0002%
Weight 8.5kg (18.7lbs)
Linearity @ -90dBFs +/- 0.5dB
Stopband Rejection > 120dB
(>24 kHz)
S to N ration, A weighted >113dB
AP21184/1
1
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