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Discussion in 'Shock Brother's DIY Amps' started by jitensha, Mar 1, 2009.
The AC30 (post 166) in its shell and the 2x12 I just finished for it.
I really dig your princeton design. great job!
And here it is complete. It has a great sound and a great look!
Added some clips
Sound clip 1.
Video clip 1.
Video Clip 2.
Bassman 5F6...yes without the "A".
Marshall 18W TMB...tone to the bone!!!
Rocketeer 1-12 combo for some good country, blues or rock tones.
Based on AFD #35 DBM a 100w Marshall type amp with extra preamp tube for high gain and effects loop.
Based on a jtm 45 circuit
It is covered with real thick leather wich is more than 20 years old .
Just finished this one, my first attempt. Pretty close to 5F1 circuit. I know I shouldn't have used the same material I used to cover the cabinet for the grill cloth, but I couldn't find anything I liked, and it sounds fine.
Oh yeah and thanks for all the help I got off this forum, couldn't have done it otherwise.
Just finished a Boot Hill Amp 5E3 Kit up last Saturday. Pretty sweet. Sorry for poor quality Iphone photo. Built the cabinet out of clear pine, dovetailed the corners and then covered with tweed. Debating coating with more shellac etc as tweed came in coated with some.
/\ This is exactly right, I just experienced that a couple of days ago. Anyone doubting themselves should take note that I am just a fitter turner, not electronics guru, not electrician, not even clever. Have a go, just above all make sure you are safe.
Look at the amps on this thread, how good they all look, imagine how they sound! How can you not want to build one?
Two weeks ago i finished my first "serious" amp.
It is a Marshall 18w with EF86 in the preamp section.
Amp sounds pretty good and I'm still in quest for "the" speaker.
So far Celestion G12H is in the lead
And here's a quick'n'dirty first test single/humbucker.
Sorry for lousy playing
Awesome! Never seen denim as tolex, I like it a lot
Built a 5F1 last week, finished the cab yesterday.
Sounds really good when teamed up with my home-made Esquire.
Here's a couple of mine......
Walnut Octal Vibro-Pro
Built a 5e11 Vibrolux running 6L6's out of some scavenged transformers. It uses 2x6SL7 in front. Not the best picture but you get the idea.
Just finished a cheap build. I picked up an old console stereo but it had no power transformer, output tubes were 50v nonstandard tubes, output transformer had a primary impedance of 1.1k ohms. So what the heck can you do with that? Well found some 15CW5's, 15v tubes that can drive 2.4k. Since I had a 16v transformer that could do the heater and using a 1:1 line transformer I would be well on my way to building a little Champ.
Well just for kicks I decided to make it point to point and use the pots that came from the stereo. Other than a few odds and ends the parts came from what I had laying around. The transformer put out about 18v so I used a couple of resistors to knock it down along with a pair for the 12AX7. The chassis I made out of some light gauge aluminum that I pop riveted together. The front plate was cut from an old piece of equipment and the perforated part will go on the front when I get a chance to make the box.
A few trials and tribulations on the way but I think it ended up sounding not too bad. I have a volume, tone (Tweed), volume, switch to flip the tone control between the two volumes, 0.68uF/22uF switch, and a NFB switch. Not a lot of clean volume with a 8" but it sure can get dirty in a hurry and stay there for a long time.
I just realized the photo I linked back on page 1 is long gone, so here's my DIY combo again.
It's the chassis and transformers from a Bogen CHB20A PA amp, completely rebuilt into a Marshall 18 Watter clone. Using the stock ECL86 PI/output tubes, it's good for about 13 watts. I built the enclosure in the style of the old two-tone blue Univox "Group B" amplifiers from the '70s.
Homely old thing looked like this before I started:
After seven years of flawless performance, it's going under the knife tonight. The original 40-year-old tube sockets are getting flaky, so I'm replacing them all and adding retainer springs to the output tubes. PITA.
That is cool. I love things built from scrap. I have a whole lot of speakers,a leslie speaker and a reverb tank that I scavanged from an old organ that I picked up for $2. Must do something with them.