Đầu Philips CD850

Đầu Philips CD850 được nâng cấp và nhanh chóng thay thế CD840. Thiết kế chắc chắn, sang trọng và đẹp mắt. Tích hợp công nghệ tiên tiến như PDM của riêng Philip (Pulse Density Modulation) bit-stream DAC, và sử dụng cơ mắt của Philips CDM-4/19. Chất âm thật tuyệt vời.

Specifications Philips CD850

Line output
Number of channels: 2
Output voltage: 2Vrms +/- 2dB
Unbalance Left-Right: max 0,6dB
Output resistance: 200Ohm
Amplitude linearity: max +/- 0,1dB from 20Hz to 20kHz
Phase non-linearity: max +/- 0,5º from 20Hz to 20kHz
Signal to noise ratio: min 90dB from 20Hz to 20kHz
Dynamic range: min 94dB from 20Hz to 20kHz
Total harmonic distortion + noise: min 84dB from 20Hz to 20kHz
Intermodulation distortion: min 84dB from 20Hz to 20kHz
Out-band attenuation: min 60dB
Channel separation: min 90dB from 20Hz to 20kHz
Muting during random access: min 90dB from 20Hz to 20kHz
Automatic switched de-emphasis with time constants: 15/50us

Optical read-out system
Laser type: Semiconductor AlGaAs
Wave length: 780nm +/-20nm
Light output (c.w.): 0,4mW +/-0,04mW

Headphone

Output voltage: max 7,5 Vrms +/- 2dB
Unbalance Left-Right: max +/- 0,2dB
Output resistance: 150Ohm
Load impedance range: 32 Ohm to 600 Ohm
Output power: 
max 50mW into 32 Ohm load
max 90mW into 150 Ohm load
max 50mW into 600 Ohm load
Signal to noise ratio: min 90dB
Dynamic range: min 90dB from 20Hz to 20kHz
Total harmonic distortion + noise: min 84dB from 20Hz to 20kHz
Intermodulation distortion: min 84dB from 20Hz to 20kHz
Channel separation: min 75dB from 20Hz to 20kHz

Dimensions and weight
Tray closed (wxdxh): 420x280x90/104mm
Tray open (wxhxd): 420x423x90/104mm
Weight: 5kg

General
Mains voltage: 220, 240Volt (+/-10%)
Mains frequency: 50-60Hz
Mains voltage selection: 
By soldering (220/240 Volt-version)
By changing transformator (110/127 Volt-version)
Power consumption mains, operated: 16W

Nguồn thông số : dutchaudioclassics.nl/philips_cd850_cdplayer/