The E9 also can work as a desktop headphone amplifer without E7!
It can connect to any music playback device, connect to line out will get the best sound qulity!
The E9 used OPA2134 as the pre amlify OP. and TA6120 as power amplifier! this tow IC also used in lots of hifi device, includes hifi sound card, hifi DAC, hifi amplifer and such etc!
and the TA6120 have very high specification! basicly, we trust the spec , and them adjust by our listenning!
We belive best sound quality is base on technology specification, add with lots of listenning!
Below is the diagram!
It can connect to any music playback device, connect to line out will get the best sound qulity!
The E9 used OPA2134 as the pre amlify OP. and TA6120 as power amplifier! this tow IC also used in lots of hifi device, includes hifi sound card, hifi DAC, hifi amplifer and such etc!
and the TA6120 have very high specification! basicly, we trust the spec , and them adjust by our listenning!
We belive best sound quality is base on technology specification, add with lots of listenning!
Below is the diagram!
