|
Zhao Lu
DAC 1.3 |
|
.. |
|
This is a good entry level DAC that offers
great value for money. Different
sound than the Lite Dac, and this is more
detailed (while Lite Dac is more mellow).
|
|
|
|
Overview
of the modded DAC |
| Red
Boxed Section |
| Note the
custom made power supply for digital section and Clock.
The clock installed in working in reclock mode, that
eliminate the incoming SPDIF jitter.
|
|
|
|
| Red
Boxed Section |
| To work
in reclock mode, a special IC need to be mounted onto the bottom
of the board. Also the
SPDIF receiver circuit needs to be changed.
See pic. A
SPDIF Input Transformer is also installed. |
|
|
|
|
The
Analogue Stage Mod
|
| Note the opamps used in this particular unit is
the OPA627. |
|
|
|
Mod
Details
|
-
Install
EA clock Module and modify board digital section board to work in
reclock mode.
-
Built
and install linear power supply for digital section and clock.
-
Install
Input SPDIF transformer to further reduce incoming jitter.
-
Mod
analog stage board with critical capacitors change and AD8066 opamps
-
Mod
Original linear power supply with diode change to FREDs, capacitors
change and grounding improvement to reduce noise.
-
Chassis
damping with bitumen sheets
Option
- Change
RCA connectors (2 for audio output and 1 for digital input) to DH Labs
Copper RCA using silver wiring
|
| General
Mod |
SGD 700.00 |
| Option |
SGD
75.00* |
|
*per
set |
|
| |
|
|
| . |
