ICEpower+D290The pre amp

The original circuit pre harvest level part from the British Ya Jun D290 merge type power amplifier, takes its essence, build a sound and stable resistance preamplifier listen
The 2 pieces of the old emperor NE5532AN operational amplifier, and a piece of original TI powder TL072, select the old chip quality and reliable sound good, never use the new film
Resistance with high accuracy and low noise varieties, especially the main channel of the 10K, is the choice of black sandwich resistance of ultra low temperature drift
The main filter capacitor selection sound elegant chemical electrolysis SMG listen, decoupling capacitor is used in the Acura AWF series, sound more assurance
The new ALPS RK168.

Digital power amplifier module of ICEpower asx2's famous Danish

Composed of a cheap little power amplifier

Interested friends can contact me now design stage has not sell hope everybody can give me advice

e-mail：chenniaoniao@live.cn

my name：Bird