The great "I'd like to see the guts of" thread

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.

Re: The great "I'd like to see the guts of" thread

Postby modman » 08 Feb 2015, 16:16

armdnrdy1 wrote:Well...I had great luck with the last request for info on the MN3008 version of the AD-900. (Thanks Dirk)

You saved yourself some googling there! Well done!
armdnrdy1 wrote:So I thought I'd give it another go with something that I've been looking for a few years.

Why not? It's free!
armdnrdy1 wrote:Does anyone have a trace side image of an ADA Final Phase?

Why do you need the trace side if there is a schematic available?
armdnrdy1 wrote:I've periodically searched the net for years..and have come up with two grainy, blurry, useless images.

Why would anyone upload blurry pictures to the net, they at least give you some indication. If you have them, please upload to the thread which since 20011 contain a gutshot of the trace side...
:slap:
http://www.freestompboxes.org/viewtopic.php?f=19&t=8946
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Re: The great "I'd like to see the guts of" thread

Postby armdnrdy1 » 08 Feb 2015, 20:00

armdnrdy1 wrote:Well...I had great luck with the last request for info on the MN3008 version of the AD-900. (Thanks Dirk)

modman wrote:You saved yourself some googling there! Well done!

I actually searched extensively on the net...and only posted the request here as a last resort. Luckily..it paid off!

armdnrdy1 wrote:So I thought I'd give it another go with something that I've been looking for a few years.

modman wrote:Why not? It's free!

Yes it is..this is a great site to gather and share information.

armdnrdy1 wrote:Does anyone have a trace side image of an ADA Final Phase?

modman wrote:Why do you need the trace side if there is a schematic available?

Why does anyone request a gut shot? It saves time in routing the board. The original routing is obviously verified as working. I also use gut shots to verify schematics. As you know...many schematics found on the net contain mistakes. I found a mistake on the Final Phase schematic...the board mounted "Sweep Modulation control was drawn incorrectly on the factory drawing.

armdnrdy1 wrote:I've periodically searched the net for years..and have come up with two grainy, blurry, useless images.

modman wrote:Why would anyone upload blurry pictures to the net, they at least give you some indication. If you have them, please upload to the thread which since 20011 contain a gutshot of the trace side...
:slap:
http://www.freestompboxes.org/viewtopic.php?f=19&t=8946

I'm not sure why people upload blurry pictures. Bad photographers? :lol:
One of the images isn't blurry but has a large piece of foam (factory installed) blocking the routing of four of the ICs. The jacks at the rear of the enclosure are blocking another three ICs. So...the image has very limited value.
The image in the thread that you linked is from the first version of the Final Phase. It is the original Vactrol version. (version 5 factory schematics) This version was made for a very short time. Vactrols are expensive...and to obtain the best results, have to be matched.
The version that I am working on is version 7. Version 7 & 9 (and the reissue) utilize two 4016s and a clock 4047 to achieve phasing. Unlike other phasers...nothing has to be matched!
I thought that instead of uploading questionable trace images...I would upload a full project when completed. I think that would be more appreciated. I have ordered parts and will report back when the build is verified.
There is one thing that I'm missing though...the set points for the clock. There is a test point connected to pin 10 (oscillator) of the 4047, and two trimmers that need to be adjusted (TR2, TR3) for the clock range and the max. clock frequency. Barring some "kind soul" popping in with some readings...I'll adjust it the best that I can by ear.
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Re: The great "I'd like to see the guts of" thread

Postby Dirk_Hendrik » 15 Feb 2015, 10:36

To answer I question I have missed Andy,
No I have never had a Final Phase on my bench. Therefore I cannot help you.

As well,
There's, thanks to ADA Depot, quite some schematic info on the ADA flanger available. This can in general be divided up in the SAD1024 verion or the MN3010 version. However, when one studies all schematics available per version there's still stuff that remains somewhat unclear. Therefore a "why photo's when one has a schem" question is not always correct.
Sorry. Plain out of planes.

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Re: The great "I'd like to see the guts of" thread

Postby ggbb » 12 Jul 2015, 16:25

I'd like to see the guts of the new ProCo FATRAT.
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Re: The great "I'd like to see the guts of" thread

Postby Chapsmanhatten » 01 Aug 2015, 06:56

I haven't seen the SVI Sound Ge Boost here yet. Granted I'm all sorts of brand new and I probably missed it...

As you can see, its an incredibly efficient use of space! I didn't feel like digging anything out. If someone wants to see it I will though.

<a href="http://imgur.com/JBc3na8"><img src="http://i.imgur.com/JBc3na8.jpg" title="source: imgur.com" /></a>
<a href="http://imgur.com/OVcMEU6"><img src="http://i.imgur.com/OVcMEU6.jpg" title="source: imgur.com" /></a>
<a href="http://imgur.com/AuAaiVh"><img src="http://i.imgur.com/AuAaiVh.jpg" title="source: imgur.com" /></a>
<a href="http://imgur.com/X7api9x"><img src="http://i.imgur.com/X7api9x.jpg" title="source: imgur.com" /></a>
<a href="http://imgur.com/Id60ZiQ"><img src="http://i.imgur.com/Id60ZiQ.jpg" title="source: imgur.com" /></a>
<a href="http://imgur.com/qAoSBH4"><img src="http://i.imgur.com/qAoSBH4.jpg" title="source: imgur.com" /></a>
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Re: The great "I'd like to see the guts of" thread

Postby roseblood11 » 04 Aug 2015, 01:10

I'd really like to see the guts of the HoTone Soul Press Wah. It sounds really good in the demos. It's a bit bigger than the AMT "Japanese Girl", but it has space for a battery and it can be used as a volume peda, too. But I'm sure that i would like to modify a few things, so it would be interesting to see if it's all smd...
https://www.youtube.com/watch?v=8NlsyNairiE
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Re: The great "I'd like to see the guts of" thread

Postby ashypenrump » 10 Aug 2015, 05:52

I have come across an old MXR Micro Flanger (
the kind without the LED or 9V AC plug) but its in/output jacks and POTSare no longer wired to the board or the switch.... I've seen some other pics of the pedal showing the PCB while in position in the enclosure and only a bout half of the switch is visible... Can you post any pics of the unit with the pcb lifted away to depict the 2 pots (Rate & Regeneration) and the switch wiring connections??? I have the schematic as well but i am new to this and could reallly use the visual clues!!!

Thanks much

ashy
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Re: The great "I'd like to see the guts of" thread

Postby roseblood11 » 20 Aug 2015, 16:43

roseblood11 wrote:I'd really like to see the guts of the HoTone Soul Press Wah. It sounds really good in the demos. It's a bit bigger than the AMT "Japanese Girl", but it has space for a battery and it can be used as a volume peda, too. But I'm sure that i would like to modify a few things, so it would be interesting to see if it's all smd...
https://www.youtube.com/watch?v=8NlsyNairiE


Just bought it. Great little pedal!
Smooth Wah sound, Volume and Expression modes work good as well. It works well in front of a Fuzz Face or between buffered pedals...
The circuit might be based on the Crybaby, but it uses opamps instead of discrete transistors. Mostly smd exept for the coil, which is quite big and has some free space around it - a fasel coil might fit (but they claim that it's a copy of the fasel coil anyway...). The pot size is a standard 9mm d-shaft, so it's easy to replace.

I'll add pictures later!

More info: http://www.hotoneaudio.com/support/Whit ... 11/97.html

I hope they'll make a Kay Fuzztone with the same enclosure, including the volume and expression modes...
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Re: The great "I'd like to see the guts of" thread

Postby karaman » 31 Aug 2015, 17:26

Anyone happen to have a gut shots of the Ethos Clean? I'm curious how similar it is to the Ethos Overdrive.
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Re: The great "I'd like to see the guts of" thread

Postby clintrubber » 25 Sep 2015, 12:32

eddie_bowers wrote:I would really like to see the guts or schematic for the Boss FDR-1 Fender '65 Deluxe Reverb.
I played with one at the store and was surprised how nice it sounds. I'm not as interested in the tremelo or reverb part of the circuit. It had a nice overdrive.


I'd like to see if it's having the same PCB as the FBM-1 Bassman pedal, so just different firmware. The pots are all the same (two concentrics, two normal ones).

If these PCBs are the same, then there's room for adding a jack, and we all know what we would like to add to the FDR-1 !
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Re: The great "I'd like to see the guts of" thread

Postby armdnrdy1 » 03 Nov 2015, 02:54

I've read through a few posts where members have mentioned owning a Coron JFM-100 Jet Flanger and Filter Matrix.

Could someone be so kind as to upload a few images of the component and trace sides?

I would like to verify a drawing that Stephen Giles sent me from his collection...and possibly work up a build utilizing a more easily sourced BBD.

Thanks!
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Re: The great "I'd like to see the guts of" thread

Postby tasteless » 05 Nov 2015, 16:12

Hey Larry ,
Yeah , If I can find the cable to charge My camera I'll try to dig it out and get some shots in the next few days.

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Re: The great "I'd like to see the guts of" thread

Postby armdnrdy1 » 05 Nov 2015, 18:18

That would be great! Thanks!

Looking at the info that I have...the JFM-100 looks to be fairly close to the EXH Electric Mistress Ver. 2, with a DOD-250 thrown in the input for good measure!

It shouldn't be that difficult to either retrofit the JFM-100 for another BBD or...add the Width Shift feature and the "Jet" to an Electric Mistress.

Your photos will help verify the JFM-100 schematic.
I have found a few bad shots that leave me questioning some of the values. :scratch:
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Re: The great "I'd like to see the guts of" thread

Postby roseblood11 » 25 Jan 2016, 02:45

I'd like to see the guts of the EHX cock fight:

https://www.youtube.com/watch?v=SyLowGXOgXA
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Re: The great "I'd like to see the guts of" thread

Postby mlp-mx6 » 26 Mar 2016, 14:48

Here's a request for the (quite new) Keeley Monterey. That thing looks VERY promising.

Of course, Mike Hermans demo videos are almost always drool-inducing.

https://www.youtube.com/watch?v=YKzBfcs-LrM
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Re: The great "I'd like to see the guts of" thread

Postby reneshelle » 28 Apr 2016, 21:29

mlp-mx6 wrote:Here's a request for the (quite new) Keeley Monterey. That thing looks VERY promising.

Of course, Mike Hermans demo videos are almost always drool-inducing.

https://www.youtube.com/watch?v=YKzBfcs-LrM



http://www.madbeanpedals.com/forum/inde ... ic=22052.0
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Re: The great "I'd like to see the guts of" thread

Postby roseblood11 » 02 Jul 2016, 19:51

Looking for any info about the XVIVE W1 Wave Phaser:

It's supposed to be designed by the man behind the Deluxe Memory Man, and it's sold by the company that cloned the MN3005 ... and it sounds great:
https://www.youtube.com/watch?v=MtG-YJIA2Lo
They have a simpler version named "phaser king" in a 1590a, which sounds good as well.
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Re: The great "I'd like to see the guts of" thread

Postby patrick398 » 14 Jul 2016, 16:01

Malekko Charlie Foxtrot! Pretty tricky getting hold of one in the UK so maybe i could build one (in reality i'm sure i've got more chance of getting a finger in the queen)

https://www.youtube.com/watch?v=VgXVF6ctyS8
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Re: The great "I'd like to see the guts of" thread

Postby mlp-mx6 » 15 Jul 2016, 16:24

Carpe Diem from the Fire Custom Shop in Brazil. Actually, I'm hoping for a vero layout of this one!

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Re: The great "I'd like to see the guts of" thread

Postby roseblood11 » 29 Aug 2016, 10:46

I'd like to see a schematic for the Wampler Clarksdale OD. It's a very good variation of a Tube Screamer
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