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Hoffman Amplifiers > Media > Albums > jojokeo > jojokeo's amplifiers

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jojokeo's amplifiers
Album - Owner: jojokeo - 9 items
There's no clone amps here. Everything is of my personal whims inspired by many on this forum which I greatly appreciate and admire for their generous sharing of info, contributions, and willingness to help others. Thanks also Doug, you rock!
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Tiny Giant
Tiny Giant was along the same lines as some of my other low powered chassis-type amps only this is the lowest output one yet at a whopping 1.1 watts. I had a very small PT sitting on a shelf for a long time and finally put it to use. This was a great exercise in pushing my skills further in that it…
 Views: 144
Aug 12, 2011
 
Wildcat
Wildcat - A S.E. design using a KT77, KT66, EL34, or 6L6GC w/ power scaling VVR for Master Level/Volume control. The preamp can utilize any 12a_7 tube and has a unique 3-way voicing switch that simultaneously biases multiple stages using authentic "Marshall", "Fender", or "Vintage" values for gain &…
 Views: 138
Jan 22, 2011
 
Tweed Super DeLuxe
V1 can be ran in series or parallel w/ Treb, Bass & Volume/Gain controls, has tone stack filtered bypass to control low end when in this mode > LTPI > PPIMV & Presence which can be switched in or out all into an Emminence Red Fang.
 Views: 127
Apr 22, 2011
 
DumbleWatt
My Dumble-style designed preamp: Vol w/ Tweed tone control biased alternately towards saturation then cut-off which switches and cascades into OD section using same biasing techniques w/ Gain Treb Bass & 3-way voiced mid EQ switch and sharing a Master Vol for both going into an 18 Watt-style PA, swi…
 Views: 109
Aug 12, 2011
 
Little Giant
Little Giant is a 2w-4w pratice amp that came at a time BigDaddy was in need of a small amp for his situation but couldn't build any longer. He made it clear a tone stack was mandatory so I added this and give him credit as it is better than only a simple tone control. We had animosity through this…
 Views: 98
Sep 05, 2010
 
The Sheriff JRG800 Plexi
A Marshall in Fender's clothing :)
A lower wattage, smaller, and lighter gig friendly verison cross of a JCM800 and Plexi design in a combo. Originally inspired by my old JCM800 stack packing in new twists and options using 6V6s. Hammond & Mercury iron, extra gain controls & switching, fixed and/or…
 Views: 97
Aug 20, 2009
 
Cherrybomb
The Cherrybomb amp was inspired originally by Geezer's Little Wing and HoSo56 along with my C-4 Heritage Special amp. V1 is a 5879 w/ pentode/triode switch, v2 = 12ax7, into PA consisting of 6bm8s for the pi and output tubes. The Boost switch bypasses the CF stage which also has Merlins suggested ti…
 Views: 94
Jan 25, 2010
 
AC4 AC15 Heritage EF86 Tube Amp Custom Built like Dr Z & Vox.wmv
Evolution of one of my first ef86 amps
Something different, a video of photos of the various building and arduously painful re-building phases along w/ a song I quickly made from the amp after it's final completion several years ago.
 Views: 0
Jun 26, 2011
 
Firecracker amplifier build - my Firefly inspired version.wmv
Firecracker amplifier build - my Firefly inspired version wmv
Another build in the fun low wattage category I call Firecracker inspired by the Firefly amp that uses two 12ax7s in cascode mode & a 12au7 except my circuit has different values, a little different circuit, and uses a 12bh7a. However, it can use the 12au7 and even a JJ ecc99 also for different outp…
 Views: 0
Aug 12, 2011
Pages: [1]
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