Search found 517 matches
- 07 May 2020, 12:34
- Forum: Ready-To-Build Effect Projects
- Topic: Triton Delay - Adding the "Glide" from EchoCzar to PT2399
- Replies: 16
- Views: 1698
Re: Triton Delay - Adding the "Glide" from EchoCzar to PT239
so how does it actually work? On the echoczar this "slide" is using the effect that the PLL is locking onto the voltage going into pin 9 and adjusting its clock frequency, why does it work here? I beleive, It works due to C20 providing kinda smooth transition (charge/discharge) between VC...
- 16 Apr 2020, 14:07
- Forum: Parts Sourcing & Trading
- Topic: Current source for Veroboard/Stripboard in US? [found/sold]
- Replies: 1
- Views: 609
Current source for Veroboard/Stripboard in US? [found/sold]
Who is everyone using for veroboard nowadays? I had been using Veroboard.com, who were awesome, but despite their URL it seems they no longer sell the stuff. I just ordered some stuff from Rapid Online which is okay, but the quality isnt really there. Holes tend to tear out when you cut traces and i...
- 27 Mar 2020, 14:44
- Forum: Ready-To-Build Effect Projects
- Topic: Triton Delay - Adding the "Glide" from EchoCzar to PT2399
- Replies: 16
- Views: 1698
Re: Triton Delay - Adding the "Glide" from EchoCzar to PT239
Very cool! Ages ago I implemented something like a ramp control on a Leslie type effect, and I think this is similar. I'm not fully sure what that was, though. I have some notes that kinda look like a GEOFEX LERA but its a different circuit....not sure what it could be from.
- 10 Jan 2020, 14:27
- Forum: Ready-To-Build Effect Projects
- Topic: BAJA Orange OTR120 Graphic MkII amplifier pedal 9v 160318
- Replies: 5
- Views: 1460
Re: BAJA Orange OTR120 Graphic MkII amplifier pedal 9v 16031
FWIW that's not how the filter switch on an OR120 works Agree - but it achieves the same result. In theory but the values you have here are also pretty far off from an Orange to have equivalent capacitance. On an Orange the equivalent at the six settings is roughly 68nF, 4.4nF, 2.3nF, 1.1nF, 500pF,...
- 09 Jan 2020, 20:45
- Forum: Ready-To-Build Effect Projects
- Topic: BAJA Orange OTR120 Graphic MkII amplifier pedal 9v 160318
- Replies: 5
- Views: 1460
Re: BAJA Orange OTR120 Graphic MkII amplifier pedal 9v 16031
FWIW that's not how the filter switch on an OR120 works. The caps are actually in series. Not that the schematic isnt completely valid as its own thing, just making a note for clarity.
- 20 Nov 2019, 19:00
- Forum: Vintage Stompbox Corner ( ... - 1975)
- Topic: Electra MPC Module Schematics
- Replies: 6
- Views: 3827
Re: Electra MPC Module Schematics
Dont have any schematics, per se, but I can chime in with some info. Awhile back a friend sent me two MPC modules in hopes that could get them working. The problem being that I dont have an MPC guitar to test them on. So I built a little pedal that could accept MPC cartridges for testing and use. Bo...
- 14 Oct 2019, 15:12
- Forum: DIY Stompbox designs
- Topic: (Real) JCM800 Pre-Amp in a box
- Replies: 13
- Views: 4179
Re: (Real) JCM800 Pre-Amp in a box
Looks pretty cool, but a question (maybe a dumb one?). Why even fuss with the DC/DC converter? Couldnt you just use an AC input like an amp and have a power transformer and rectifier?
- 26 Jun 2019, 13:33
- Forum: Amplifiers
- Topic: B15-N Portaflex style preamp
- Replies: 18
- Views: 18424
Re: B15-N Portaflex style preamp
Sure: https://live.staticflickr.com/4418/36009416050_74c374404e_z.jpg https://live.staticflickr.com/4411/36009408550_feae068cd0_z.jpg https://live.staticflickr.com/4363/36009408520_54bb8b11a8_z.jpg https://live.staticflickr.com/4439/36009415170_701892b89f_z.jpg Also, much more recently I made these ...
- 28 Feb 2018, 15:23
- Forum: Stuff Seen for Sale
- Topic: I want an original style Rangemaster enclosure + front panel [sold]
- Replies: 5
- Views: 4520
Re: I want an original style Rangemaster enclosure + front p [sold]
If you take to him he might sell you an enclosure, provided he has some.
- 26 Apr 2016, 13:30
- Forum: Amplifiers
- Topic: Building Marshall clone from scratch
- Replies: 45
- Views: 18378
Re: Building Marshall clone from scratch
FWIW.....it sounds like you want to build a small amp anyway, so this may be moot, but in general dont let anyone tell you that you cant build a full sized amp as your first build. A 50W Marshall was my first amp build. They arent complex amps at all and the voltages on a Champ are just as nasty.
- 02 Dec 2015, 15:44
- Forum: Modern Stompbox Effects (1975 - ...)
- Topic: Zeus Audio Systems - Model 8444 Pre-Amp [schematic]
- Replies: 6
- Views: 4801
Re: Zeus Audio Systems - Model 8444 Pre-Amp [schematic]
Dunno what it was used in originally, but the current user has it for guitar. The documentation for it said it could be used for a variety of uses including recording, hifi, guitar, etc. Some quick research tells me that this company was around in the early 80s, and for a bit used by Randy Rhodes an...
- 01 Dec 2015, 19:39
- Forum: Modern Stompbox Effects (1975 - ...)
- Topic: Zeus Audio Systems - Model 8444 Pre-Amp [schematic]
- Replies: 6
- Views: 4801
Zeus Audio Systems - Model 8444 Pre-Amp [schematic]
Had one of these obscure little buggers come across my bench recently so I thought id trace it. Its not exactly remarkable but does sound good. The original switching is garbage which is why ive highlighted to remove it. https://c1.staticflickr.com/1/775/23343786262_a86e26e096_c.jpg https://c2.stati...
- 18 Mar 2015, 17:45
- Forum: Vintage Stompbox Corner ( ... - 1975)
- Topic: Garnet Whirly-Gig (gutshots)
- Replies: 16
- Views: 8358
Re: Garnet Whirly-Gig (gutshots)
But also I dont an optocoupler in there, which a Magnavibe would have....Nocentelli wrote:That looks pretty simple for a Leslie type effect: Handful of transistors, caps and resistors. I wonder if it's some sort of phase shift oscillator like the magnavibe.
- 16 Mar 2015, 14:19
- Forum: Vintage Stompbox Corner ( ... - 1975)
- Topic: Garnet Whirly-Gig (gutshots)
- Replies: 16
- Views: 8358
Re: Garnet Whirly-Gig (gutshots)
Rad! Do you plan on tracing out a schematic? It'd be pretty easy if you have unit in hand. Probably wouldnt be so hard to do from the pics, either, but some part values and transistor types would be missing.
- 25 Nov 2014, 16:40
- Forum: Amplifiers
- Topic: tube safety
- Replies: 6
- Views: 3636
Re: tube safety
Books are unnecessary at this point because you can get the knowledge you need from the internet. What you're describing will work, yes, but its not exactly a sure-fire way. Better to do two things: 1. Build yourself a capacitor discharge tool. It can be as simple as an alligator clip and a stick, o...
- 11 Nov 2014, 15:07
- Forum: Parts Sourcing & Trading
- Topic: Best place to get a 3PDT in Australia? [found/sold]
- Replies: 7
- Views: 6679
- 10 Nov 2014, 20:28
- Forum: Parts Sourcing & Trading
- Topic: Best place to get a 3PDT in Australia? [found/sold]
- Replies: 7
- Views: 6679
Best place to get a 3PDT in Australia? [found/sold]
Quick question....got a guy in Melbourne that has one of my builds and it needs a replacement 3PDT. Where's the best place (internet store, id assume) to get a 3PDT either in Australia or with easy/cheap shipping to Australia??
- 15 Oct 2014, 14:13
- Forum: Amplifiers
- Topic: Vox AC15 power transformer replacement
- Replies: 7
- Views: 4643
Re: Vox AC15 power transformer replacement
Ok so I've opened up the amp and got the old transformer out and the new transformer mounted, according to the schematic from sinner's response, I'm only using the 0v common tap and the 245v tap on the primary side and the neutral leg from ac power in is fused. On the ac15hw1 there's an additional ...
- 08 Oct 2014, 13:45
- Forum: Amplifiers
- Topic: Vox AC15 power transformer replacement
- Replies: 7
- Views: 4643
Re: Vox AC15 power transformer replacement
Depending on the specific version there may be specific needs, but in general there are a lot of transformers out there that will fit the bill for this. Anything spec'd for an 18W Marshall would be a good place to start, like so: http://www.classictone.net/Marshall-18W-Style-Transformers.html. But a...
- 30 Sep 2014, 15:26
- Forum: Parts Sourcing & Trading
- Topic: Veroboard in the USA?
- Replies: 7
- Views: 3782
Re: Veroboard in the USA?
I'd argue for the opposite. The phenolic stuff you can score and snap with a razor. The epoxy stuff you need to cut with a saw.Frank_NH wrote:Be sure to get the epoxy fiber stripboard and not phenolic (phenolic is OK but is lighter duty than the epoxy fiber material).