Caline Mark 4  [schematic]

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Caline Mark 4

Postby Dr Bertson » 24 Aug 2016, 17:05

Hello Everyone!

I got the Caline Mark 4 today and has started to trace this pedal.
After when it's finished, I will post the schematic here.

Dr B

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Re: Caline Mark 4

Postby Dr Bertson » 26 Aug 2016, 11:33

Hello Everyone!

Here comes the schematic of the Caline Mark 4 Distortion.
I have tested this schematic on a breadboard and compare it to the real pedal and both sounds almost the same.
I have also tried some different IC's, OPA 2134, OPA 2604, RC 4558P, JRC 4580, NE 5532 and LM 833.
All of them sounds good with a little different in gain.
The best reult I got with the JRC 4558D (original) and the OPA 2604 (this sounds a little bit more HiFi).

Caline Mark 4 _1.pdf


Enjoy!

Dr B
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Re: Caline Mark 4

Postby Dr Bertson » 26 Aug 2016, 18:16

Hello Everyone!

I have discovered that this pedal is a gem, because if I put this pedal before my homemade Mesa Bbogie Mark IV pedal (I built this about 4 years ago), then the pedal gives a good crunch in the Mark V pedal.

The Caline Mark 4 is a very simple circuit, but it sounds very good.
You can search for the schematics for Mesa Boogie Mark IV on the web, built this and put the Caline Mark 4 before it, then you got a good pedal.

Dr B
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Re: Caline Mark 4

Postby Dr Bertson » 26 Aug 2016, 18:18

I have found a error in the schematic.
The diode labled D5 that is in the power line, should be labled D6 and it's a 1N4007.

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Re: Caline Mark 4

Postby Manfred » 13 Sep 2016, 22:38

Some shots:

CalineCP-16_1.jpg


CalineCP-16_2.jpg


CalineCP-16_3.jpg


CalineCP-16_4.jpg


CalineCP-16_5.jpg
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Re: Caline Mark 4

Postby Manfred » 15 Sep 2016, 09:09

I inserted the passive compont identifier according to the assembly print into the drawing
and corrected the LED identifier.

CalineCP16.jpg
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Re: Caline Mark 4  [schematic]

Postby Manfred » 15 Sep 2016, 09:34

I I am thinking about to adding a simple tone control, and found that the value of the R12 resistor is to low.
I measured the value and read about 50 KOhms in parallel with VR3 on the right stop.
The Value is 100 kOhms not 10 KOhms.

CalineCP16corrected.jpg
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Re: Caline Mark 4

Postby roseblood11 » 14 Sep 2017, 20:20

What about a variable resistor in series with the 6n8 as a simple tone control? Or have you tried s.th. else?
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Re: Caline Mark 4

Postby roseblood11 » 27 Sep 2017, 20:13

The pedal sounds great, but it could be more versatile with (at least) a little more control over the high frequencies. What about adding the tone and presence control of the Crunch Box V2 or maybe even the TMB tonestack of the Guv'nor/Drivemaster, maybe modified to the values of the tonestack in the real Boogie Mk4?

http://1.bp.blogspot.com/-0zGoV3jSwJs/T ... tv2rx7.jpg
http://2.bp.blogspot.com/-kbEEXqIxX2A/T ... guvnor.gif
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Re: Caline Mark 4

Postby Chugs » 27 Sep 2017, 21:45

Look at the MI Audio Tubezone for some tone control ideas.

The topology of the Caline appears to be a simplified version of the Tubezone.
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Re: Caline Mark 4

Postby roseblood11 » 27 Sep 2017, 22:14

Interesting! Do you have a schematic for the Tubezone (6 knob)? All I found was dead links
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Re: Caline Mark 4

Postby Chugs » 27 Sep 2017, 22:18

Here you go...
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Re: Caline Mark 4

Postby DanAmpora » 22 Jan 2018, 13:48

It looks like C8 (2u2) should be the other way around.
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