Guitar Amp

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Project by easiersaidthandone posted 04-01-2014 03:05 AM 2848 views 4 times favorited 7 comments Add to Favorites Watch

I got a guitar a while back, but no amp to go with it. So I decided to make my own practice amp mostly using electronics parts that I had lying around. The amp cabinet is based on a vintage Fender Champ (5F1) practice amp that was introduced in the 1950′s. For my version, the cabinet is constructed from a single select pine board and joined together with finger joints. The speaker panel is 1/2″ plywood and holds a single 6″ speaker. The back panel cover pieces are 1/2″ birch plywood with edge banding on the tops. The cabinet is finished with Minwax golden pecan stain and two coats of tung oil.

The amplifier section is my implementation of the Noisy Cricket Mark II schematic from Beavis Audio. The Noisy Cricket amp is designed around an LM386 1-watt audio amplifier chip that is intended for clock radios, boom boxes, etc. The amp circuit is constructed on a small project board with only a few resistors & capacitors as support components. The three knobs control volume, gain, and tone. The switches control power and grit (distortion). The amp is powered from a 9v battery.

7 comments so far

View dpwalker's profile


273 posts in 3806 days

#1 posted 04-01-2014 06:29 AM

Nice looking amp. Good job!

-- You have not really lived until you do something for someone who can never repay you.

View oldrivers's profile


2429 posts in 2541 days

#2 posted 04-01-2014 11:31 AM

Good work, neat, compact. Good combo Les Paul style Guitar and Fender style amp, and cord, (Happy jamming.)

-- Soli Deo gloria!

View kaerlighedsbamsen's profile


1354 posts in 2688 days

#3 posted 04-01-2014 08:04 PM

Like it!

-- "Do or Do not. There is no try." - Yoda

View deltawing's profile


71 posts in 3004 days

#4 posted 04-02-2014 03:28 AM

nice work > how does it sound?

-- > It takes a long time to become a child - Picasso <

View easiersaidthandone's profile


82 posts in 3098 days

#5 posted 04-03-2014 03:28 AM

To my ears it sounds pretty good. Here is a video demonstrating the Noisy Cricket amp:

View Fishinbo's profile


11362 posts in 3150 days

#6 posted 04-08-2014 01:09 PM

So cool! The woods look great and those joints are awesome. Great job!

View Dallas's profile


3599 posts in 3462 days

#7 posted 04-08-2014 01:21 PM


I am hoping mine comes out as well as this.

-- Improvise.... Adapt...... Overcome!

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