Gallery Court Hankey Place London SE1 4BB UK
Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233
740C
Issue Date: 28
th
September 2007
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SERVICE MANUAL
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SPECIFICATIONS:
D/A converters Dual Wolfson
WM8740 24 bit DACs
Digital filter Analog Devices Black Fin
ADSP-BF532 32 bit DSP
Performing ATF™
Upsampling to 24 bit 384kHz
Analog filter 2 Pole Dual Differential Bessel
Double Virtual Earth Balanced
Frequency Response 20Hz to 20 kHz (+/-0.1dB)
THD @ 1kHz 0dBFs < 0.0008%
THD @ 1kHz -10dBFs < 0.0005%
THD @ 20kHz )dBFs < 0.001%
IMD (19/20kHz) 0dBFs < 0.0006%
Linearity @ -90dBFs >113dB
Total correlated jitter <130pS
Crosstalk @ 1kHz < -130dB
Crosstalk @ 20kHz < -110dB
Output impedance < 50 ohms
Digital input word widths supported 16 – 24 bit
Digital input word widths supported 16, 20, 24 bit
Digital input sampling frequencies supported 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz,
192kHz
Digital output sampling frequencies supported 32kHz – 192kHz pass through (including 44.1kHz for CD)
48kHz, 96kHz, 192kHz upsampled
Audio output upsampling Fixed 24 bit, 384kHz
Dimensions – H x W x D 115 x 430 x 315mm (4.5 x 16.9 x 12.4”)
Weight 6.4Kg (14.1Lbs)
AP22735/1
1
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