KK Ho next project ?

CD PRO2 II : Completed.

Next project :
Pure Direct path digital Class D amplifier. (Matching for CD-Pro2 II)
50W Class D
Digital input only
(No analog low pass filter)
Any source will up-sampling to 24bits 192KHz.
Bi-amp connection for Tweeter and Woofer.
Programmable Dynamic Range Control
16 Programmable Biquads for Speaker Equalization (Optimize for your home acoustic problem)
Adaptive Biquad Coefficients for EQ and DRC Filters

Perfect match with CD-PRO2 II.
Same size of CD-PRO2 II case (217mm x 306mm x 90mm)

Available at July.


Remark:
User send me the frequency response curve to me, we generate the optmized setting and write inside to the register in the Class D chip. (MCU)

Method:
1. Using the microphone to measure your speaker response.
e.g. By sound card + SW + Very good response microphone

2. Recording the result.

3. Send back to me.