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Easy Simple guitar amp/preamp?
Easy Simple guitar amp/preamp?
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Old 5th October 2004, 12:05 PM   #11
psychosteve is offline psychosteve  United Kingdom
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Default try this...

Audio amplifier projects, by R.A. Penfold. it has some good, cheap easy to build stuff, a guitar pre amp, a 6watt amp powered by batterys, and a 20/30 watt amp with mains power. pluss tone control, mixers and stuff like that, all built from stuff you can buy from radio shack!!! take a look coz at about 5 from
PC publishing its gota be woth a look as it is a teaching tool, explaining how and why the stuff works aswell as how to build it, so you can play around with the circuits once youve got what you want from it. see you later, steve.. ..
you all laugh because im different, i laugh because youre all the same.. ..
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Old 7th October 2004, 03:39 PM   #12
cj.9 is offline cj.9
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Location: alaska
Links to a couple of practice amp shematics that use the 386 opamp.


Pretty easy and cheap to build.
I built and checked the "Ruby". I haven't built an enclosure yet.

I also just built the "Little Gem MK2" but it's oscillating pretty bad.
I think I'll tear it apart and try the original "Little Gem".
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Old 16th February 2006, 04:43 PM   #13
Guytronix is offline Guytronix  United States
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Hello Cyclotronguy,

My name is Richard Guy and I am the exclusive distributor and support contact for the Gilmore Jr and Ardmore Kits formerly offered by Gerhart Amplification. I am directly involved in supplying and supporting all Gilmore Jr and Ardmore Kits that Customers purchase, past, present and future. Any Customer that had unsatisfactory issues regarding past experience have been taken care of by Guytronix. If you or anyone else has an open issue, I am poised and ready to resolve them. Please email Guytronix at support@guytronix.com so that I can help. Thank you.
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Old 16th February 2006, 05:01 PM   #14
lineup is offline lineup  Sweden
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Default Re: Easy Simple guitar amp/preamp?

Originally posted by silentblackhat
I am looking to build my first amp and/or guitar pedal...
what would the best one be or waht are some simple ones out there
that are easy to build and cheep to make
i dont want it to cost too much).
I am looking for an amp that is like a 'mini' one that just has a few watts(like a practice amp).

also if its a practice one are there any out there that can be ran off of batteries
Guitar Amps does NOT need to be stereo,
but you can of course use two channels/loudspeakers.
This way you could use your guitar amp for playing stereo music.

Wouldnt a one or two channels chip amp
LM3875 be a perfect choice

- cheap
- easy to build
- very compact, minibox can be sized like CD, compact disc record
- for 'a few Watts', you can buy a smaller trafo
- has better sound quality than LM386

I think you should consult the Chip Amps forum.
Many have built a nice chip amp as their first project.

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Old 16th February 2006, 05:34 PM   #15
cyclotronguy is offline cyclotronguy  United States
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Location: Northern California

Richard is true to his word, excellent merchant and an excellent resource. He did a great job of correcting Gary's lame business practices. Very responsive, good communication and expedient follow up.

I hope he does well!

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Old 16th February 2006, 06:34 PM   #16
Guytronix is offline Guytronix  United States
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Hello Cyclotronguy,

Thank You for your kind regards. A potential Customer directed me to your earlier post. I do not recognize your 'handle', but I am happy that we were able to satisfy you. Anyway, enjoy your amp. I am here for you. Please email me so that I know who you are. Thanks again for your kind post.
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