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  1. theprofessor

    Back to basics - 5f1

    I started building amps for fun a few years back with a 5f2a, yielding a thread of epic proportions for such a small amp. I had a lot of questions, and folks were kind enough to pitch in. I hope that, despite its absurd length, that thread has been helpful to others. I then went to a 5e3 tweed...
  2. theprofessor

    Maple on Honduran Mahogany dual P-90 thinline T-style

    I just finished this one up and shipped it out this week. I'm very happy with it. It's a two-piece maple top on a two-piece Honduran Mahogany body. Cavalier AR90 (A5 poles) in the neck position and Wolfetone Meaner (A2 bars) in the bridge. Pickguard was custom-made for me by Dan Bartosik at...
  3. theprofessor

    Does anyone have a (template for a) G&L ASAT Special pickguard?

    I'm planning on a T-style build that takes its inspiration from the G&L ASAT special, but with P-90's instead of MFD pickups. I plan to make my own pickguard from a blank, but it would be fantastic to have either an actual ASAT Special pickguard or even just a tracing of the outline and hole...
  4. theprofessor

    Help identifying a drive pedal from partial information?

    I was in Corner Music in Nashville yesterday morning, and fellow was playing through an Eastman 335 and some kind of drive pedal. He sounded fantastic. I had apeek at the pedal but didn’t get a close enough look at it. I believe it was gray with white lettering. I thought I heard an employee ask...
  5. theprofessor

    Acoustic guitar shopping in Nashville

    Hi all - I'm planning to help a friend go acoustic guitar shopping for a day in Nashville. The goal at this point is for him to gain as much exposure to the different kinds of sounds and to the different price-ranges of various brands and constructions of acoustic guitars -- both used and new...
  6. theprofessor

    Help identifying an Esquire pickguard

    I got this pickguard a while back at The Gear Page, I think. Not sure of the provenance. It's a parchment single-ply five-hole guard, and the color and cut and thickness are _just_right_ for my tastes. I don't know who sells pickguards with the "made in U.S.A." sticker on the back. The Allparts...
  7. theprofessor

    That's it! I'm done with new production Tung-Sol preamp tubes!

    And it's too bad, because I think they are the best sounding new production 12ax7 tubes I've heard (though not as good as most vintage 12ax7's). I recently got a batch of three Russian New Sensor "Tung-Sol" 12ax7's for an amp build. I've had two lose their vacuum -- both within minutes of being...
  8. theprofessor

    Vibrolux Reverb Tremolo noise when Bright switch on

    I just completed building my Vibrolux Reverb AA964 clone, which I documented here. I had intended to post that thread in the Shock Brothers forum but put it elsewhere by accident. So I'm coming to the Fraternity of Shock with a specific question about the amp: I've noticed a buzzing in the...
  9. theprofessor

    Does anyone have a template for a DIY Vibrolux Reverb tube chart?

    I'm looking to make up a tube chart for my Vibrolux Reverb clone. In the past, I've used a template for amps like a 5e3. I'm wondering if anyone has created something similar for a Vibrolux Reverb. Or maybe someone can offer some tips on how to make one, and what program one might use to do...
  10. theprofessor

    NED: New Esquire Day Candy Apple Red

    I finished putting together a new-to-me Esquire a couple of days ago. I had never had an Esquire, and I wanted to see what that setup would bring, tone-wise, and how it would change my playing. It's a two-piece Alder body from Guitar Mill, which someone shot in Candy Apple Red nitro over a white...
  11. theprofessor

    Vibrolux Reverb AA964 Build

    I've decided that my next amp build is going to be a Vibrolux Reverb clone, built according to the '64 schematic (AA964). I've attached the layout and schematic here for reference, as I pose a few initial questions. The only real departure from the AA964 is that I'm going to make the NORMAL...
  12. theprofessor

    Vibrolux Reverb AA964 vs. Deluxe Reverb AB763: what are the differences?

    It looks likely that I will start a Vibrolux Reverb build sometime in the near future. I have been going through the layout and schematic, making up a parts list. I thought it would be interesting to compare it to the famous AB763 family -- especially the '63 Deluxe Reverb. While I imagined...
  13. theprofessor

    What amp to build around 2x10 CTS ceramic speakers?

    I recently picked up a pair of CTS ceramic 10's from 1977-1978 that are newly re-coned. When I got them, I had a particular amp in mind. I may still build that amp, but I thought I'd throw this out to see what other folks say about where these may shine. Maybe the answer is obvious, but perhaps...
  14. theprofessor

    Leo Fender: Amp design and harmonic content

    I thought it would be fun to post this for discussion: As is well known, not all "Fender" amps -- even from the pre-CBS "golden age," sound alike. Not even close. And I think we all know that Leo Fender, like most others in his age but perhaps to an even greater extent with him, was looking for...
  15. theprofessor

    Pedals that have come and gone, pedals that have stayed

    This is little more than a narration of my own experience with various pedals, listing those that I've tried and that have, for one reason or another, gone back out the door, and those that have stayed (at least for now). The ones that have stayed have stayed for a while now, and there are a...
  16. theprofessor

    Thoughts on the Eminence TF-1250 and the GA-SC64

    I really like trying out different speakers, and the recent acquisition of a '66 Ampeg Jet presented yet another opportunity. It came with an Eminence GA-SC64 in it. The amp sounds great with that speaker. Nice character and grit. But I am always seeking more clarity, and so I thought I'd try...
  17. theprofessor

    The Tone! Neil Young's "Eldorado" on Freedom

    As a young kid learning to play the acoustic guitar, I started off with the classic Neil Young stuff, along with CSNY. If I recall correctly, the album Freedom came out when I was in junior high school, and I listened to it a good bit at that time. I believe this was just before Eddie Vedder was...
  18. theprofessor

    Tremolo on 1966 Ampeg Jet J12-D, and other tech notes

    I posted here about a 1966 Ampeg Jet J12-D that I was considering. I decided to keep it. It sounds really, really good. Straightforward, fundamental tones, with a lot more body in the cleans than I'm accustomed to from Fender amps. Clean, middy girth that is still amazingly clear, and with a...
  19. theprofessor

    How did the Princeton Reverb get all those features?

    I'm sure this has been discussed here before, but if it has, I don't recall it. The main question is this: How did the small, "non-professional" Princeton Reverb end up with both reverb and tremolo? Of course, the Deluxe Reverb wasn't one of the "professional" line, either, but at least in...
  20. theprofessor

    Advice on 1960's Ampeg Jet J12-D

    Hi all - I picked up what I think is a 1966 Ampeg Jet (model J-12D) at a Guitar Center today when I was on the road, and I'd like to get everyone's eyes on to see what might be entailed if I keep it. I say "if," because I have 45 days to return it in the same condition, and I may do that. We'll...
  21. theprofessor

    Tung-Sol 5881's and GE 6L6GC's in 5f4 Tweed Super

    Since I made my 5f4 Tweed Super clone, I have had a pair of vintage Tung-Sol 5881's in the power section. I have really enjoyed those, but I also enjoy experimentation. I have never had an amp that I've run on 6L6GC's, so I decided to give a pair of vintage (used) GE's a try. I got a trio in...
  22. theprofessor

    What is it about the Princeton Reverb that makes it such a good platform for mods?

    It seems to me that the Princeton Reverb is especially suited for mods of various sorts. A common one that I like is to use a Deluxe Reverb-sized output transformer. Then there is adding a mids pot or the Stokes mod. I am also a big fan of the mids pot. Or using a PT (and OT) that allows for...
  23. theprofessor

    The Aesthetics of Re-housing a Silverface Deluxe Reverb

    As many cabinets of the silverface era are, my Deluxe Reverb cabinet from '76 is rickety and heavy. I'm planning to build another cabinet for it out of clear shelving pine with a void-free birch plywood floating baffle. And since I've just learned to apply Tolex, too, I'll add that as well...
  24. theprofessor

    New old speaker day: Oxford 12T6 with recone

    I got interested in Oxfords after hearing some demos on YouTube of a Deluxe Reverb with an original Oxford 12K5 in it. So I started to look around. I ended up finding a Fender blue-label Oxford 12T6 from 1974 (465-402) that was in need of a complete rebuild. I had it sent to Millersound in...
  25. theprofessor

    How to cut the Tolex on angled blackface-style cabinets?

    I am going to start applying Tolex to my Princeton Reverb clone tomorrow. I have watched Uncle Doug's great tutorials on YouTube, but he is covering a cabinet without any sharp angles or taper. I am left wondering about the best way to cut the side pieces when I get up near the angle on each...




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