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Amptweaker - Tight Drive

Last post by micmac « Yesterday, 18:52
Posted in Boutique Stompboxes dissected...
Replies: 1
by aion » 24 Nov 2023, 16:53 » in Boutique Stompboxes dissected...

Amptweaker's first pedal design... lots of similarities to the Tight Metal/Tight Rock, but stripped down a bit. Less gain, no noise gate, a bit less tone shaping, no switches.

Schematic:
amptweaker-tight-drive-trace-schematic.png

Full tracing journal here:

PCB available here:

1 Replies

2233 Views

Last post by micmac
Yesterday, 18:52
Danelectro Pastrami switching

Last post by drewl « Yesterday, 18:03
Posted in Pedal Debugging & Troubleshooting Support
Replies: 2
by drewl » Yesterday, 16:49 » in Pedal Debugging & Troubleshooting Support

Hey all, anyone know what chip is used for the switching circuit of this pedal?

One is a 4053, the marking on the other is faded, it looks like a 4013.

The effect switches on and off but the LED won't turn on
Led is okay
I tried a few 4013's and it only switches momentarily
They're used but I doubt all four are bad

Anyway I can always use one of the other flip flops of the original chip, whatever it is

Thanks

2 Replies

64 Views

Last post by drewl
Yesterday, 18:03
Menatone - Red Snapper Mini

Last post by Bernardduur « Yesterday, 15:21
Posted in Modern Stompbox Effects (1975 - ...)

by Bernardduur » Yesterday, 15:21 » in Modern Stompbox Effects (1975 - ...)

I got one in as it was cutting out while gigging. The IC socket was really loose and I could almost let the IC fall out of the socket. I added a new socket and now the unit functions again like it should.

Menatone - Red Snapper Mini.JPG

More pics and text on my blog; check the link in my sig

0 Replies

103 Views

Last post by Bernardduur
Yesterday, 15:21
Danelectro pastrami switching chip?

Last post by drewl « Yesterday, 13:49
Posted in Modern Stompbox Effects (1975 - ...)

by drewl » Yesterday, 13:49 » in Modern Stompbox Effects (1975 - ...)

Anybody know what chip is used in the switching circuit for this pedal?

One is a CD4053, the other the markings are worn away.
I think it looks like a 4013, but it won't latch.

Thanks.

0 Replies

75 Views

Last post by drewl
Yesterday, 13:49
DELAY REBOTE 3 - Troubleshooting

Last post by Gebrey « 14 Oct 2024, 21:45
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 2
by Gebrey » 07 Oct 2024, 16:12 » in Modern Stompbox Effects (1975 - ...)

Hello everyone,
I started advanced projects since I crafted tons of simple and intermedium pedals and amps.

This is a really challenge since there are a lot of components.

Here the schematic:
20240804_173822.png

Here my DIYLC layout:
20241007_172204.png

Here the bottom DIYLC of the board already flipped & real pcb bottom
ZomboDroid_07102024052718.jpg

Here a comprehensive photo of the setup:
20241007_171419.jpg

It doesn't work properly.
The diagnosis:
- original signal pass...

2 Replies

518 Views

Last post by Gebrey
14 Oct 2024, 21:45
DSM OmniCabSim

Last post by J4mes « 14 Oct 2024, 19:37
Posted in Boutique Stompboxes dissected...
Replies: 61
by bobbass4k » 05 Oct 2018, 13:26 » in Boutique Stompboxes dissected...
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I thought I'd put this up a while ago but apparently I didn't. True story.

A friend asked me to pad the XLR output on his and it would have been rude not to trace it out. This is the original one, and an early one at that (lots of mods/hacks on the PCB to make it functional). The only bit I'm not 100% on is the output buffer, it used a 4066 for switching in a way I haven't seen before and I only had it for an evening so I had to give it back. The caps were SMT, measured in circuit and removed...
61 Replies

34134 Views

Last post by J4mes
14 Oct 2024, 19:37
Pearl - Cry Fuzz

Last post by digi2t « 14 Oct 2024, 18:49
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 3
by Dr Tony Balls » 15 Apr 2010, 18:09 » in Modern Stompbox Effects (1975 - ...)

Anyone know anything about these or have a schematic?

It sounds like one will be coming my way in the future for repair, so if no schem is available there will certainly be a trace made.

3 Replies

1794 Views

Last post by digi2t
14 Oct 2024, 18:49
Analog cab sim

Last post by caspercody « 14 Oct 2024, 16:41
Posted in DIY Projects

by caspercody » 14 Oct 2024, 16:41 » in DIY Projects

Hello

I want to build an analog cab sim, anyone know a really good accurate schematic?

Also, anyway to create an analog cab sim based on a IR one might use the most?

Thanks
Rob

0 Replies

133 Views

Last post by caspercody
14 Oct 2024, 16:41
Report Forum Problems and Make Forum Wishes Here...

Last post by karul « 14 Oct 2024, 14:49
Posted in Announcements and Forum Rules
Replies: 265
by modman » 08 Jul 2007, 15:33 » in Announcements and Forum Rules
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Here's a thread to log all problems that might occur.

Known issues up until now:

:arrow: Activation email maybe slow. This happened at a number of occasions, and if I see subscribed user accounts pending activation, I will take up action sending a personal email and putting the account active by hand.

:arrow: Please turn off your spam filter if you want to register on the forum. I'm sending emails to the people who remain inactive, but if this still bounces, I am not going to register my...
265 Replies

678541 Views

Last post by karul
14 Oct 2024, 14:49
Joyo - JF-13 AC Tone [schematic]

Last post by Hanky- « 14 Oct 2024, 14:24
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 108
by Steven_M » 29 Jun 2011, 21:02 » in Modern Stompbox Effects (1975 - ...)
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I think we all pretty much know what this is, but as I have one sitting here, I thought I'd take a few shots.

Outside.JPG
Outside is actually a really nice gold finish. Not at all cream, the way it looks on the website
Switch.JPG
I've seen this somewhere before... Not great soldering on the wires. I might have to beef that up.
Inside1.JPG
Underside Shot
Inside2.JPG

All of the pots that control EQ are 100Kb. I'll get some better pictures up once I get home.

Also, here is the shot from...
108 Replies

212694 Views

Last post by Hanky-
14 Oct 2024, 14:24
MXR - Auto Q [schematic]

Last post by Ice-9 « 13 Oct 2024, 10:39
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 9
by Dirk_Hendrik » 24 Feb 2010, 17:55 » in Modern Stompbox Effects (1975 - ...)

Please let me know. Reversing is no option as I'm running toward a deadline. Will sign a NDA without a problem.

9 Replies

5710 Views

Last post by Ice-9
13 Oct 2024, 10:39
Fishman Universal Rechargeable Battery Pack

Last post by ABtheBassPlayer « 12 Oct 2024, 18:26
Posted in Electric Guitar/Bass Wiring
Replies: 14
by ABtheBassPlayer » 12 Aug 2023, 18:46 » in Electric Guitar/Bass Wiring

Greetings! Been looking for pictures of this thing with no luck. Was wondering if anyone would mind taking pictures of one of these? Thank you!

14 Replies

4305 Views

Last post by ABtheBassPlayer
12 Oct 2024, 18:26
Bogner - La Grange [traced]

Last post by Lithium_Grim « 12 Oct 2024, 16:02
Posted in Boutique Stompboxes dissected...
Replies: 172
by Saruman » 01 Jul 2016, 08:17 » in Boutique Stompboxes dissected...
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1.JPG 2.JPG 3.JPG 4.JPG 5.JPG 6.JPG 7.JPG BLG_PIC_L.png BLG_PIC.png
172 Replies

138656 Views

Last post by Lithium_Grim
12 Oct 2024, 16:02
Please tell me, sites where you can sell your pedals

Last post by Dirk_Hendrik « 11 Oct 2024, 17:41
Posted in Stuff Seen for Sale
Replies: 5
by Vitallka » 20 Sep 2024, 16:10 » in Stuff Seen for Sale

Greetings.
I do not know whether it is expedient to ask such a question here, but I will try :)
I created some of my pedals and would like to sell them to free up space for new ideas.
I do not know whether someone wants to buy them at Freestompboxes, as they create pedals here themselves, so I want to ask: where else can you sell, except Ebay and Etsy?
P.S. I also registered for a Reverb, but my account for a long time under consideration and appeal to the support service has not decided.

5 Replies

1549 Views

Last post by Dirk_Hendrik
11 Oct 2024, 17:41
Peavey Express 112 Hum Noise

Last post by diafebus « 11 Oct 2024, 16:03
Posted in Amplifiers
Replies: 17
by diafebus » 29 Aug 2024, 13:26 » in Amplifiers

Hey there! I bought this Peavey Express 112 to leave it at my music school as a students amplifier, it cost me 35eu, so nice deal there, the clean seems to sound mostly good. I cleaned all the pots and reverb connectors and now reverb sounds good, also the seller told me the amplifier wouldn't switch to drive channel, and yes it doesn't, with the tester the switch seems fine. I found that there is a resistor burnt, R101 is completely fried, so i removed it but I don't have a replacement yet,...

17 Replies

1415 Views

Last post by diafebus
11 Oct 2024, 16:03
Mosky Ch-Vibe - does not sound like a Univibe [Solved]

Last post by mutermusic « 11 Oct 2024, 10:32
Posted in Pedal Debugging & Troubleshooting Support
Replies: 11
by howmuch » 27 Mar 2023, 14:13 » in Pedal Debugging & Troubleshooting Support

Thought I'd pick up one of these to see what it's like.
I was hoping I'd be lucky and it would be a take on the Moen Shaky Jimi/Jimi Nova, which are based on the EasyVibe.
Here's links to the Moen Shaky Jimi and Moen Jimi Nova threads.
And I'd like to thank John Hollis for his lovely EasyVibe circuit. :thumbsup

What's inside then? The highlights:
1 x ST 064C
3 x TI TL062C
4 x LED/LDR pairs

It does indeed look to be generally based on the Moen/EasyVibe circuit although I haven't checked the...

11 Replies

4861 Views

Last post by mutermusic
11 Oct 2024, 10:32
MXR RR-104 Randy Rhoads Special Edition Distortion+

Last post by drewl « 10 Oct 2024, 16:19
Posted in Modern Stompbox Effects (1975 - ...)
Replies: 18
by rmroza » 30 Aug 2024, 13:28 » in Modern Stompbox Effects (1975 - ...)

Getting this thread started as a new release that is getting a LOT of attention and I don't see any discussions yet on FSB!

18 Replies

2754 Views

Last post by drewl
10 Oct 2024, 16:19
Forum Maintenance & Development News/Announcements

Last post by Cub « 10 Oct 2024, 08:19
Posted in Announcements and Forum Rules
Replies: 31
by The G » 19 Aug 2020, 05:39 » in Announcements and Forum Rules
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Just did update the forum to the last version of its software. It was completely uneventful on our side, but if you notice something not right, please let us know.
Thank you!
31 Replies

26406 Views

Last post by Cub
10 Oct 2024, 08:19
Thurlby Harmonic Multiplier (octave-up and ring mod)

Last post by BMS1971 « 09 Oct 2024, 14:28
Posted in Vintage Stompbox Corner ( ... - 1975)
Replies: 6
by mauman » 09 Sep 2024, 20:16 » in Vintage Stompbox Corner ( ... - 1975)

This vintage octave-up/ring modulator showed up on Reverb for just a few days. Here are the seller's pics if anyone wants to trace it. The only adjustments are two trim pots. The instructions are posted on Effects Database and are included here for continuity. Apparently Thurlby is still in business in the UK, as Aim-TTi (Thurlby Thandar Instruments) which manufactures test equipment and power supplies.

Thurlby front.png
Thurlby angle.png
Thurlby jacks.png
Thurlby back.png
Thurlby...

6 Replies

1752 Views

Last post by BMS1971
09 Oct 2024, 14:28

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