kk_ho 發表於 2010-1-3 18:26:13

CD PRO2 II (Update : 24-Feb-2010) 開發過程,已完成

CD PRO2 II

CD PRO2 Transport with SRC board course: Early April.

SRC module price : Please send the enquirly to admin@hififever.com


17-23 Not in HK, no update....

21-Jan Update:
New PSU support Power sequencer (National semiconductors LM3881)
POS: No MCU, No noise, No Relay(less current drop).
CON: Expensive device....

22-Jan update
MCU board Gen III
Improve feature
1. By toggle Display button:
LCD ON, CD LED ON
LCD OFF, CD LED ON (This mode better sound)
LCD ON, CD LED OFF
LCD OFF, CD LED OFF

2. Support AD1955+CDPRO2 or CDPRO2 standalone

3. Support Power ON/OFF mode in CD mode with power sequencer.

4. Improve installation of LCD module.

26-Jan Update:
Tested 176.4KHz (22.5792Mhz) 24bits by DSP-Z11
Result OK.

4-Feb-2010 Update:
PCB arrive. MCU Gen III.
Fully test --> OK.

6-Feb update:
Full installed.

24-Feb : Advance Spolier installed

martin88 發表於 2010-2-7 18:07:53

好正喎,部CD PRO2 II,一定要有十憶掌聲來瓚美這個製作, K K ho sir 好嘢.

samuelsum 發表於 2010-2-12 15:23:55

kk sir,

點解你可以lay版, lay得咁正... =D>

kk_ho 發表於 2010-2-12 16:44:25

SamSam,

Upsampling : 2'nd trail ver. The first version performance is not my taste.

PSU : One pass.

MCU : 3'rd gen. Adding alot of function of 3 gen.

psycoman 發表於 2010-4-17 19:38:02

If my DAC has SRC4392, do you think it is even worse to up-sampling in the transport?

kk_ho 發表於 2010-4-18 21:52:32

If your DAC have SRC4192 upsampling inside, no need to adding up-sampling in transport.

poshing997 發表於 2010-4-23 17:44:17

幾時開班KK sir

poshing997 發表於 2010-4-23 17:52:57

這kit何改用0.1ppm
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