Cambridge Audio 840C ユーザーズマニュアル
840C Upsampling compact disc player
Azur upsampling compact disc player 19
TECHNICAL SPECIFICATIONS
D/A converters
Dual Analog Devices
AD1955 24 bit DACs
AD1955 24 bit DACs
Digital filter
Analog Devices Black Fin
ADSP-BF532 32 bit DSP
Performing ATF
ADSP-BF532 32 bit DSP
Performing ATF
TM
upsampling to 24 bit 384kHz
Analog filter
2 Pole Fully Differential
Linear Phase Bessel filter
Linear Phase Bessel filter
Frequency response
20Hz to 20kHz (+/-0.1dB)
THD @ 1Khz 0dBFs
< 0.0005%
THD @ 1Khz -10dBFs
< 0.0004%
THD @ 20Khz 0dBFs
< 0.0007%
IMD (19/20kHz) 0dBFs
< 0.0002%
Linearity @ -90dBFs
+/- 0.5dB
Stopband rejection (>24kHz)
> 120dB
S/N ratio, A weighted
> 113dB
Total correlated jitter
< 130pS
Crosstalk @1kHz
< -130dB
Crosstalk @20kHz
< -114dB
Output impedance
< 50 ohms
Digital input word widths supported
16 - 24 bit
Digital output word widths supported
16, 20, 24 bit
Digital input sampling frequencies supported
32kHz, 44.1kHz, 48kHz, 88.2kHz,
96kHz, 176.4kHz, 192kHz
96kHz, 176.4kHz, 192kHz
Digital output sampling frequencies supported
32kHz - 192kHz pass through
(Including 44.1kHz for CD)
(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 360mm
(4.5 x 16.9 x 14.7”)
(4.5 x 16.9 x 14.7”)
Weight
8.5kg (18.7lbs)