Home Made Guitar Amps

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Home Made Guitar Amps

This is a group for home made guitar amps.

Members: 249
Latest Activity: Jul 7

Discussion Forum

Simple 1st Timer CBG Amp

Started by BrianQ.. Last reply by BrianQ. Sep 28, 2020. 25 Replies

Reworked Version w/ upgraded Power switching:…Continue

Quick and easy way to build a great sounding small amp

Started by Henry S. Last reply by GARAGE HERMIT Aug 13, 2020. 4 Replies

I have not posted here in a million years -- been off in Google groups, but last night I had a great time when I surprised a good friend by giving him one of a pair of resonator CBGs I had built. The…Continue

Matching Speakers to LM386

Started by Southern Ray. Last reply by Southern Ray Aug 6, 2020. 11 Replies

 After lots of searching and reading and in an effort to avoid unleashing…Continue

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Comment by GARAGE HERMIT on March 28, 2020 at 12:12pm

BrianQ, made this recently,

just a simple lm386, used a 12" fane speaker and an old draw as a cab, only control is a gain pot,

Comment by Paul Craig on March 25, 2020 at 5:24pm

How about making 2 of these in a cabinet with 2 speakers for a stereo amp like the old Crate amps back in the day?

Comment by BrianQ. on March 24, 2020 at 11:34pm

Being shut in is a perfect time to build an amp! 

Comment by BrianQ. on May 17, 2019 at 12:58am

Pretty simple, straightforward LM386 based amp, all 9 volt versions of the opamp will work, try the 12 volt version for more headroom & clarity, but beware the 9 volt version will doesn’t like 12 volts....... will also drive a speaker cab just like the Smokey! Enjoy :)

Comment by Paul Craig on November 21, 2018 at 6:10pm

Yeah the Ruby is based on the Lil' Gem amp and the Ruby can use a 4ohm or 8ohm speaker(4ohm sounds a bit louder, but it pushes the chip more). The big difference between the 2 amp circuits is the JFET filter in the input circuit. The Ruby shows a MPF102 JFET, but you can use a 2N5457 JFET instead. Just depends on which one you like better.

I also use a 3-way toggle switch on/off/on in the input circuit with 2 different value caps(.047 & .1) so I can get darker tones with guitar or play bass with the .1 cap. The off center just acts as a kill switch/no signal.

Comment by BrianQ. on November 19, 2018 at 12:18pm
Comment by Paul Craig on November 3, 2018 at 12:35pm

I haven't had email in a week so I missed this. When it comes to the 386 chip, I prefer the Ruby Amp because of the input filters and interactive volume and gain pots.

Then I got to playing around with another build and added a tone circuit. Then I added a second chip and bridged them for a 2watt amp that you could say is just a distortion box op-amp.

Comment by BrianQ. on October 25, 2018 at 1:53am

Just regurgitating something I posted some years ago,maybe wake up this group 

Comment by Paul Craig on August 24, 2018 at 9:21am

I've got a Tube amp in need of a re-cap and another that needs to be rebuilt and converted into a guitar/bass amp from a turntable amp, but I haven't stopped guitar projects long enough to do them yet. Hopefully I can start on them soon. 

Comment by BrianQ. on August 23, 2018 at 3:21pm

Anybody make any amps lately? Anybody build em from scratch?

 

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Discussion Forum

LM386 Amp w/ Switchable Clean Channel

Started by BrianQ.. Last reply by BrianQ. May 28. 1 Reply

Simple 1st Timer CBG Amp

Started by BrianQ.. Last reply by BrianQ. Sep 28, 2020. 25 Replies

Matching Speakers to LM386

Started by Southern Ray. Last reply by Southern Ray Aug 6, 2020. 11 Replies

Suggestions wanted for easy amp build

Started by Southern Ray. Last reply by Southern Ray Jun 16, 2020. 11 Replies

Ruby Amp

Started by BrianQ.. Last reply by Southern Ray May 17, 2020. 27 Replies

Low-Z pickup and components values

Started by Southern Ray. Last reply by Southern Ray May 13, 2020. 6 Replies

Oops

Started by Southern Ray. Last reply by Southern Ray May 3, 2020. 12 Replies

DIY Spring Reverb

Started by Kevin Keating. Last reply by Paul Craig Oct 17, 2019. 4 Replies

TDA2030A Amp

Started by Bama Hound. Last reply by Gary Stenzel Jul 23, 2017. 14 Replies

Home Brew Champ Tube Amp

Started by Scott aka Farmer Ted. Last reply by Paul Craig Feb 6, 2017. 3 Replies

Dual IM386 Chip amp

Started by Paul Craig. Last reply by Paul Craig Jan 27, 2017. 29 Replies

5 Watt Amp Kit (DIY Case)

Started by Walter Haapapuro. Last reply by Gene Jones Dec 7, 2016. 46 Replies

DIY reverb behold - I found this online

Started by Danny B.. Last reply by Paul Craig Nov 2, 2016. 3 Replies

Bass Cabinet project

Started by Murdoc_420. Last reply by Murdoc_420 Jul 16, 2016. 34 Replies

Kalamazoo Model 1 Deluxe

Started by Scott aka Farmer Ted. Last reply by Rick Alexander Jun 20, 2016. 12 Replies

LM386 amp and other stuff

Started by Denis U. Last reply by Denis U May 29, 2016. 19 Replies

Combo Amp Build

Started by Paul Craig. Last reply by Paul Craig May 27, 2016. 113 Replies

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