Search found 268 matches

by gigelmargel
11 Nov 2021, 19:13
Forum: Boutique Stompboxes dissected...
Topic: Mad Professor - Simble [traced]
Replies: 69
Views: 56156

Re: Mad Professor - Simble [traced]

Value of C5 is for sure 100 nF? It seems to be huge.
I've built one using fuzzhead's vero, but it works strange: I have a lot of clean signal and a weak distorted signal in background. I have no TLC2272, but I tested other op amps (AD712, LM833, OPA2604), with the same result.
by gigelmargel
07 Oct 2021, 05:48
Forum: Boutique Stompboxes dissected...
Topic: JHS - Twin Twelve V1 [traced]
Replies: 10
Views: 15031

Re: JHS - Twin Twelve V1 [traced]

After I looked at the photo from kaludjerko it's clear that the schematic above has nothing to do with JHS Twin Twelve (for example, in the photo are 3 resistors of 560 ohms and in the schematic is none).
by gigelmargel
06 Oct 2021, 10:53
Forum: Boutique Stompboxes dissected...
Topic: JHS - Twin Twelve V1 [traced]
Replies: 10
Views: 15031

Re: JHS Twin Twelve V1 [traced]

I have built one and it sounds enough good, but I have serious doubts that is JHS Twin Twelve. Anyone has some gutshots? Hi there, here it is with lid off. Hope it helps. I can zoom into some of components if it helps, but am not super comfortable dissembling it completely.JHS_Twin-Twelve_IMG_20211...
by gigelmargel
04 Oct 2021, 04:58
Forum: Boutique Stompboxes dissected...
Topic: JHS - Twin Twelve V1 [traced]
Replies: 10
Views: 15031

Re: JHS Twin Twelve V1 [traced]

I have built one and it sounds enough good, but I have serious doubts that is JHS Twin Twelve. Anyone has some gutshots?
by gigelmargel
15 Aug 2021, 13:33
Forum: Vintage Stompbox Corner ( ... - 1975)
Topic: Ampeg - Phazzer [schematic]
Replies: 27
Views: 10332

Re: Ampeg - Phazzer [schematic]

Very interesting phaser, which reminds me of EHX Badstone :)
Unfortunately, I can't find any demo on Internet. Anyone has a demo?
by gigelmargel
22 Jul 2021, 04:01
Forum: Boutique Stompboxes dissected...
Topic: J. Rockett Audio Designs - Lemon Aid [traced]
Replies: 35
Views: 5955

Re: J. Rockett Audio Designs Lemon Aid Schematic [traced]

Using 2 pieces of 2N5952 I obtained exactly the voltages posted by TWSpedals...unfortunately, the squelch is the same...I have no idea what to o do...
by gigelmargel
05 Jul 2021, 07:27
Forum: Boutique Stompboxes dissected...
Topic: J. Rockett Audio Designs - Lemon Aid [traced]
Replies: 35
Views: 5955

Re: J. Rockett Audio Designs Lemon Aid Schematic [traced]

I rechecked the vero and my build and both seems to be OK. Could someone to recheck the schematic? Thank you a lot! Just a thought, looking at your voltages again. Is the 2.2uF in the tone control leaky? That Q3 collector voltage is low. That 1.5K between your Q1 source and Q3 collector, maybe try ...
by gigelmargel
05 Jul 2021, 04:14
Forum: Boutique Stompboxes dissected...
Topic: J. Rockett Audio Designs - Lemon Aid [traced]
Replies: 35
Views: 5955

Re: J. Rockett Audio Designs Lemon Aid Schematic [traced]

I rechecked the vero and my build and both seems to be OK. Could someone to recheck the schematic?
Thank you a lot!
by gigelmargel
30 Jun 2021, 21:22
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive [traced]

I set the drains at 4.5 V.
by gigelmargel
30 Jun 2021, 19:25
Forum: Boutique Stompboxes dissected...
Topic: J. Rockett Audio Designs - Lemon Aid [traced]
Replies: 35
Views: 5955

Re: J. Rockett Audio Designs Lemon Aid Schematic [traced]

Hello, again!

I bought some 2N5485 from banzai, but the effect didn't work. To be clear, it makes the same squelch as when I used other FETs. The voltages are almost the same as the ones with BF256B.

I think that it could be a problem with the layout, even I checked it 10 times :(
by gigelmargel
16 Jun 2021, 21:17
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive [traced]

I replaced both J201 with 2SK170 and sounds the same (I have only a few J201) in terms of gain, clarity and sensitivity. I kept the gain control as I described above.

It's an amazing overdrive! Thank you all!
by gigelmargel
15 Jun 2021, 13:49
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive [traced]

Looking again at the photos, it seems to me that 390 ohms resistors could be 3.9K. I know that in a LPB-1 the stock value is 390 ohms, but with 3.9K I think that it sound more than an overdrive. 100% positive the resistor off the emitter of Q2 is 390Ω. I have some good pics of it and it is for sure...
by gigelmargel
15 Jun 2021, 05:04
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive [traced]

I finished my clone (using this layout: http://dirtboxlayouts.blogspot.com/2021/06/loundsberry-nigel-touch-overdrive.html ) and it works OK. The only problem is the Drive pot, which has a little influence on the sound, being too much distorted (but in a good sense) all the time. Even I increased it ...
by gigelmargel
06 Jun 2021, 05:09
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive [traced]

Impressive work, Manfred!
What software have you used?
by gigelmargel
05 Jun 2021, 20:53
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive [traced]

Hard to believe that, but fuzzhead just sent me a layout for Nigel Touch Drive...so I will verify the vero as soon as possible and, if it will work, I think that fuzzhead will post it on his site.

Many thanks again for your kindness, Manfred!
by gigelmargel
05 Jun 2021, 20:45
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive [traced]

I think that it's 1590B...thank you, Manfred!
by gigelmargel
05 Jun 2021, 04:24
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive Traced [traced]

Manfred wrote: 05 Jun 2021, 03:39 Hi Gigelmargel

What size of board do you want?
Hello, Manfred!
It doesn't matter too much, but if it will fit in a 1590 it would be nice :)

Many thanks!
by gigelmargel
04 Jun 2021, 16:55
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive Traced [traced]

Manfred wrote: 04 Jun 2021, 15:40
gigelmargel wrote: 04 Jun 2021, 15:12 Anyone has a layout for it? It seems very interesting...
What layout are you interested in, point-to-point,Vero or PCB ?
Vero :)
by gigelmargel
04 Jun 2021, 15:12
Forum: Boutique Stompboxes dissected...
Topic: Loundsberry Nigel Touch Overdrive [traced]
Replies: 54
Views: 13695

Re: Loundsberry Nigel Touch Overdrive Traced [traced]

Anyone has a layout for it? It seems very interesting...