Bob Lumpkin's Discussions (50)

Discussions Replied To (8) Replies Latest Activity

"Hi Hal:  I've used several of these. If you're starting with the kit, just leave off…"

Bob Lumpkin replied Jan 18, 2012 to Determining correct potentiometer

10 Jan 25, 2012
Reply by Ellwood T. Bear

"The first batch of these I bought worked fine. I bought three more a couple of weeks…"

Bob Lumpkin replied Jan 10, 2012 to Lm 386 amp from HongKong under 10 USD.

16 Jan 12, 2012
Reply by Scott aka Farmer Ted

"Acid cigar boxes work great for amps.You can use the hinged cover as tilt back legs.…"

Bob Lumpkin replied Nov 19, 2011 to Lm 386 amp from HongKong under 10 USD.

16 Jan 12, 2012
Reply by Scott aka Farmer Ted

"Hey Hal, looks like a First Act amp that takes 2 9v batteries. Trying to figure out…"

Bob Lumpkin replied Nov 19, 2011 to Lm 386 amp from HongKong under 10 USD.

16 Jan 12, 2012
Reply by Scott aka Farmer Ted

"Didn't know you were a Finlander. Keep looking you can fing them on E-Bay for $8.40…"

Bob Lumpkin replied Nov 19, 2011 to Lm 386 amp from HongKong under 10 USD.

16 Jan 12, 2012
Reply by Scott aka Farmer Ted

"Good little amp. No tone control, no LED (I rigged one without much trouble) Two int…"

Bob Lumpkin replied Nov 19, 2011 to Lm 386 amp from HongKong under 10 USD.

16 Jan 12, 2012
Reply by Scott aka Farmer Ted

"Has anybody tried using a battery from from an el cheapo cordless drill? They're pre…"

Bob Lumpkin replied Nov 18, 2011 to Best mini amp KITS

34 Mar 10, 2014
Reply by Henrik Johansson

"The one with the turtle on front has a SHC Music chip (cost too much on Ebay)) Vol&n…"

Bob Lumpkin replied Nov 15, 2011 to Stuff I'm working on. Help. comments, discussion & ideas are welcome!

2 Nov 15, 2011
Reply by Bob Lumpkin

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Discussion Forum

Ruby Amp

Started by BrianQ.. Last reply by BrianQ. May 18, 2020. 6 Replies

Smokin' amp (literally)

Started by James Conder. Last reply by James Conder Aug 27, 2019. 4 Replies

Simple Headphone/Practice Amp

Started by BrianQ. May 16, 2019. 0 Replies

Problem with second-hand amp.

Started by Arthur Payne Mar 31, 2019. 0 Replies

Artec Amp Help!

Started by Jesse Lively Sep 10, 2017. 0 Replies

LM386 N-4

Started by Denis U. Last reply by Richard Haas Dec 3, 2016. 4 Replies

History Mystery--Orrtronic Tube Amplifier project

Started by Scott aka Farmer Ted Nov 17, 2016. 0 Replies

Dual IM386 Chip amp

Started by Paul Craig. Last reply by Paul Craig Nov 3, 2016. 31 Replies

Amp Speakers

Started by Primitive Acoustics. Last reply by Primitive Acoustics Mar 9, 2016. 3 Replies

Grounding for Cigar Box Amps: Chassis Ground?

Started by Erik Bell. Last reply by Scott aka Farmer Ted Dec 20, 2015. 4 Replies

Neat amp components

Started by Surly. Last reply by Alan Steeg Oct 27, 2015. 1 Reply

can a dab radio be turned into an amp

Started by Coventry Halfpenny guitars. Last reply by Pickedmoor Jon Oct 20, 2015. 3 Replies

SDA-T Questions

Started by alectron. Last reply by Zac Ray Sep 2, 2015. 10 Replies

HI - New guy & And speaker question

Started by Henry S. Last reply by Henry S Mar 25, 2015. 4 Replies

Are Pre-fabbed LM386 Moduals Worth Trying?

Started by Scott W. Last reply by Henry S Mar 24, 2015. 6 Replies

Powered sub to amp ??

Started by wormil. Last reply by wormil Sep 2, 2014. 2 Replies

Amp and speaker INSIDE the guitar?

Started by Greg Potts. Last reply by Ron "Oily" Sprague Jul 1, 2014. 1 Reply

trying to hack an old valve radio, into a guitar amp,

Started by GARAGE HERMIT. Last reply by GARAGE HERMIT Apr 29, 2014. 108 Replies

Best mini amp KITS

Started by MichaelS Country Boy Guitars. Last reply by Henrik Johansson Mar 10, 2014. 34 Replies

amp wiring help

Started by HarleyTodd. Last reply by Bernie Mango Feb 26, 2014. 18 Replies

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This video is the unboxing and the demonstration of a beautiful, six stringer built by Louie Lamanna. Join Louie and I June 15 at the second annual Pittsburg...
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Hail the Resurrection Day: 2-String Violin Chugger Cigar Box Guitar

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