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DIY Kit (or BOM) for Portable AMP/Dac for IEMs

post #1 of 2
9/12/10 at 5:33am
Thread Starter 

List of wishes

1. Battery Powered (20+ hour listen time)

2. Charged by microUSB

3. Input from both microUSB or 3.5 Headphone (not at same time)

4. Neutral & Detailed sound

5. If practical, rollable opamp/tube(s)

6. Upsampling Dac

 

Is there anything that currently exits in a DIY form that meets my needs?  Did some quick searching, but pretty new to this game.

 

Thanks in advance,

St Veronus

 

 

 

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post #2 of 2
9/12/10 at 7:19am

1. 3 AA rechargable batteries.

2. Been done by several builders, Fred_Fred comes to mind...

3. DPDT switch

4. LT1363/LT1364

5. DIP socket

6. USB limited to 44/16, PCM2704/PCM2706 are the common USB DACs.

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