Mini Audio Amp Assembled, Wired and Tested
For more information Mini Audio Amp Pictures, Features, and Schematic
are shown below Mini Audio Amp Front and Back Sides Mini Audio Amp Features and Functions Compact Mini Audio Amp for Fixed Preset Applications
Mini Audio Amp with Supplied Wiring Mini Audio Amp Schematic © 2008 Chuck Carpenter, W5USJ
Custom Built — one at a time — by: W5USJ
1 Aug '08 — All Audio Amps are Sold
My thanks to all — Been a Fun Project
Ordering and Documentation
The Mini Audio Amp is $12 shipped to any USPS address in the 50 states
By PayPal: Send me an email that you are paying by PayPal. Be sure your shipping information is included.
PayPal Cash Account Only — Sorry No CCs — CCs are REJECTED
Then use my PayPal address below to send the funds.
By Mail: Send your shipping information and a check or money order for $12.00 — made out to:
Chuck Carpenter
290 RsCR 4254
Point, TX 75472
Documentation: Supplied Info Sheet
Contact Me: w5usj at arrl dot net
Paypal: w5usjqrp at 9plus dot net
Shown with Quarter 
• Size is about 2cm square by 10mm thick
• Three inch connection wires included
• Easily fits into many enclosures — or use "side saddle"
• Power output up to 500 mW depending on supply voltage and load impedance
• Supply voltage 5 to 12 V DC
• Boosts low audio levels from headphones or Piezo buzzers
• Drives a small 8-Ohm speaker with good volume
• 20dB additional gain with optional 10uF gain capacitor (Mouser #140-L25V10-RC)
• Can be used as a preset amplifier or replace preset trimmer with panel volume control
