AUDIO TUNING: NAIM CD5i
Transport: Philips VAM1202/12; DAC: WM8706
A look inside NAIM CD5i
Below picture present NAIM CD5i player factory default, without any modifications - left picture, and fully modified - right picture.
Output stage and FTJ before and after modifications.
OPA2604 replaced with LME49720HA (military), decoupled with Black-Gate NX series and output tantal caps removed.
Tantal caps removed from signal path and replaced with Panasonic AM + styroflex.
Analog and digital regulators for WM8706 changed to low noise, fast transient response, LDO - LT1963 series.
WM8706 digital section and reference (pin-20) decoupled with Sanyo Oscon and analog section with Rubycon ZL.
Standard 3,3V regulator for DSP SAA7324 was replaced with Linear Semiconductor low noise LT1963.
SAA7324 decoupled with oscon . Ceramic Z5U and X7R capacitors removed and replaced with silver-mica.
DAC WM8706 Pictures before and after.
Pierce oscillator ceramic capacitors replaced with silver-mica.
74HC04 decoupled with silver-mica and Sanyo Oscon.
Mute circuit; pictures before and after.
Muting circuit was completely removed, including relay.
Focus and tracking was improved by decoupling TDA7073 with Sanyo Oscon
Power supply before & after modifications
LM3X7 regulators decoupled with Rubycon ZL and output voltage increased from +/-9V to +/-15V
Rectifier power supply diodes replaced with CREE silicon-carbide Schottky zero recovery diodes.
Analog stage enhanced with a 180W ultra low noise Aztronic transformer.
Modified player NAIM CD5i
Modifications for NAIM5i player start from 300euro up to 799euro.
Presented modification is 499euro.
Please address your inquires to sales[at]vicol-audio.ro (replace [at] with @).