Adrian Angka Weblog

Linux and DIY Electronics

Tube Pre Amplifier with Tone Control 4 July, 2008

Filed under: DIY High End Audio,Pre Amplifier — adrianangka @ 10:58 am

Front Panel

Today I finished a DIY Tube Pre Amplifier with Tone Control. I made the kit that I bought from Bandung at 2004 . This are some small modification I made:

1. To make the tube glowing at the front panel window I modified the tube socket and pcboard to make a 3mm hole for ultra bright blue LED

Glowing

2. Change the volume potentiometer with ALPS potentiometer.

ALPS Motorized Potentiometer

3. Add Infra Red Controller so I can remotely control the volume

Infra Red Controller

4. Use Jantzen Capasitor and Solen Capasitor so The sound will be good, natural and clear

Capasitor

5. After all this modification I have to burn in so the sound output will be at the best perform of this circuit

6. Tommorow I will post the schematic

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