Chunk Systems - Agent 00FUNK!  [traced]

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Chunk Systems - Agent 00FUNK!  [traced]

Postby Bernardduur » 15 Apr 2009, 14:55

Hey all!

I got this baby in because the footswitch was broken (Taiwan X wing) so I had some time to peek under the hood / trace the unit.

Image

Pictures will be made later when my batteries are charged!
'No more....... loud music.......'

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Re: Chunk Systems Agent 00FUNK!

Postby Bernardduur » 15 Apr 2009, 18:23

'No more....... loud music.......'

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hellinoo (09 Jul 2012, 22:33)
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Re: Chunk Systems Agent 00FUNK!

Postby lohstah » 15 Apr 2009, 19:39

great ! one more for the bass players !

lotsa thanks !

cheers,
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Re: Chunk Systems Agent 00FUNK!

Postby JiM » 15 Apr 2009, 20:12

:applause:
Chunk Systems wrote:S/N 004

:shock: Early adopter or it is that rare ?

Beware, with such a double-zero number, this pedal has a licence to funk ...
My name is Brown, James Brown 8)
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Re: Chunk Systems Agent 00FUNK!

Postby Bernardduur » 15 Apr 2009, 20:52

JiM wrote::applause:
Chunk Systems wrote:S/N 004

:shock: Early adopter or it is that rare ?

Beware, with such a double-zero number, this pedal has a licence to funk ...
My name is Brown, James Brown 8)


:D

It is a really sweet pedal! A tad HiFi-ish but less HiFi compared to the discobombulator of Emma. I like it but I like my old Mutron even more!
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 16 Apr 2009, 00:23

Oh yeah? Well, I like them all! :P
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Re: Chunk Systems Agent 00FUNK!

Postby playon » 16 Apr 2009, 00:51

That's a great pedal... not just for bass either, it works great for guitar, although I have the earlier model. Mine sounds just as good as the Lovetone Meatball I used to have and it's a lot easier to dial in.
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Re: Chunk Systems Agent 00FUNK!

Postby Gila_Crisis » 17 Apr 2009, 08:53

i just listened the sound sample and wow! this enveloppe filter rocks!
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Re: Chunk Systems Agent 00FUNK!

Postby borislavgajic » 17 Apr 2009, 10:17

I like it but I like my old Mutron even more!



thanks for schem.........but I also like mutronIII....... :thumbsup
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 22 Apr 2009, 06:28

I compared the pedal to an ibanez mutron clone and while the ibanez had that mutron sound down, the 00funk was greasier sounding and more moog sounding...wich I really dug.

I wonder if the funky mode filter from freq. central sounds pretty much the same..I'm building 2 right now. :)
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 25 Apr 2009, 04:52

I would love a pcb...

I get to reformat tonight as I lost a drive and have to reinstall so much padiddlywink... :roll:

So if anybody wants to take pity on me, or make a charitable donation, you could just make a pcb layout of this pedal for yours truly, and the forum. :D

Of course, if you want, you can always send your dollars to : Hey, I need the fuckin money
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Re: Chunk Systems Agent 00FUNK!

Postby roseblood11 » 10 Jul 2009, 21:12

Hi,

- There´s a new version, "Agent 00Funk Mk2". Does anybody know what has changed?

- A layout would be really great!!!

- Has anybody tried that pedal with a guitar?

regards, Sue
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 11 Jul 2009, 01:18

Hi,

that schematic is of the MKII version. :)

Frequency Centrals filter is VERY close to this. I do plan on making a pcb of this one soon 8)
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Re: Chunk Systems Agent 00FUNK!

Postby Nocentelli » 11 Jul 2009, 09:34

chicago_mike wrote:I wonder if the funky mode filter from freq. central sounds pretty much the same..I'm building 2 right now. :)


What is this funky mode filter of which you speak? Search yields no results.
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 11 Jul 2009, 10:42

other stompbox forum...diystompboxes.com funky mode filter
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 08 Sep 2009, 06:10

Redrawing this in eagle and will do a pcb as soon as I am done.

Question about pinouts and connections on the LM13700 since the eagle version differs from the schematic version.

I dont see pins 2 and 15 and then 1 and 5 and 16 and 12. What are these connected to in the schematic?

Thanks! :)
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Re: Chunk Systems Agent 00FUNK!

Postby cortezthekiller » 08 Sep 2009, 06:59

From comparing the copper side to the schematic to the 13700 data, it seems that:
- 1 and 16 are connected together via the "TO A" section as the bias
-12 and 5 are the outputs of their respective op amps
-2 and 15 are unconnected

hope this helps
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 08 Sep 2009, 07:16

:)
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Re: Chunk Systems Agent 00FUNK!

Postby chicago_mike » 08 Sep 2009, 07:51

Interesting..

Im new to doing full on designs in eagle with V+ and Vref's.

All the ic's tell me this error : OUTPUT and SUPPLY pins mixed on net VR.

But..in the schematic this is how they are shown. SO I think its me I just want to make sure. :lol:

Oh, and pins 4 and 11 of the LM 324. + and - 9volts or Vref?
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Re: Chunk Systems Agent 00FUNK!

Postby tube-exorcist » 08 Sep 2009, 08:32

LM 13700:
1 + 16 are for the control current of the OTA´s
2 + 15 unused (linearization diodes)
3 / 14 non inverting inputs
4 / 13 inverting inputs
5 + 7 connected together to one of the 10n caps
12 + 10 connected together to the other 10n cap
6 connected to ground
11 connected to V+
8 is one buffer out connected to 3k3
9 is the other buffer out connected to the other 3k3

LM 324:
Pin 4 is connected to V+
Pin 11 is connected to Gnd
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