MkII bias and general pointers (calling JakeFuzz, Timbo, and mgwhit!)

[pedalman]

ummm..... I don't thing we got a good enough sound clip. Need to dial up on the volume and a pinch of gain and run some (lots) of zeppelin through that bad boy ! LOL
Beautiful sound / build sir ! bravo

[jrod]

Okay I think I got this mastered now. Here's a clip

[soundcloud]https://soundcloud.com/kuato-design-stompboxes/wooz[/soundcloud]

Attack close to max, and playing with the volume knob. It has the most sustain ever.
I biased it by ear. For the Q1 base resistor now I have a 100k and a 100k trimpot in series. Still a 25K trimpot for the Q3 collector. I biased the two by ear and this is what came out.

I am absolutely satisfied with the sound now.

Oh, and I put the cap that goes from Q1 to Q2, normally a 100n, well I put it to be a 10n. I made it for a friend and we felt it had too much bass, so I decided to cut some there.

What do you think guys?

This sounds great man! Like it a lot! What kind of amp and axe are you using in the clip?

[Cortexturizer]

Thank you pedalman and jrod!
Yeah, sounds awesome now, expect a build report veeeeery soon :-)
As to the setup being used it's a Fender Roadworn Tele Deluxe bridge pickup ran through Line 6 UX1 and into POD Farm and it's fantastic vox ac30 sim. So unfortunatelly, no amp here,but I am glad I got you fooled :-D

Midwayfair and chinaski, I put a 10k trimpot (all I got) in series with -9v and as soon as I turn it just a tad,i get some sort of ticking which becomes harder and harder as I turn more. i can play the bender but if i hit the strings really really hard the sound disappears for a moment and then gets back...i don't understand this behavior

[ch1naski]

Hmmm....uh, Jon? Paging Mr Patton.....

I'm bit unsure, as I've not incorporated the sag pot into mine yet. And I'm out and about.

Maybe I'll look at the way it's set up on the zygote....

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[ch1naski]

Cortex, is the trim pot set up before or after the electro cap coming off the supply?
I think it should be after....

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[Cortexturizer]

It's before. Hm...

[Cortexturizer]

Ok, got it boxed and tuned, [the voltage sag problem remains, but will solve it later].
I won Elle magazine's local photo competition with one of my pictures taken from the Greek island of Paxos, and they awarded me with Samsung WB250F camera, yay, so expect some videos of my pedals in the future.
It's funny though, I made the picture with my Minolta analog camera which I intend to continue using exclusively [or some other analog camera] and they gave me a brand new digital camera, haha. Of course I am satisfied with the gift, it will be used mainly for HD sized video though. Here's one of my Bender MK II:

The amp was the loudest I could get it in an apartment and not woory about the neighbours, but I intend to record a new video once I post a build report which I hope will be better...this one is just to get the feel of the sound and pedal behavior and way it reacts to the volume knob.
The settings were Volume and Attack halfway up.
Battery 6.4V or lower.

[ch1naski]

That was half up on controls? This thing must really scream!

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[Cortexturizer]

Yep, it does!

Although, I don't know why my voltage sag thing doesn't work, I cut one of the outer legs of the trimpot and connected let's say lug 2 and 3 in series with the -9V rail and it just behaves bad. Makes a choppy tremolo effect and the sound is disappearing on me if I only touch the sag trimpot. Any ideas guys?

[ch1naski]

What kind of trim pot style do you have? Some styles have metal under the spot where you adjust them, and using a metal screwdriver to adjust it causes a connection.

Have you checked the voltage after the trimmer?

Take a look at the zygote schematic, it has the voltage sag control

[rosettastoned]

hi I built a MKII with Marshall spects,  it sounds great but the vulume is low... too low compared with a fuzz face.  do you know any trick to fix this?.

[Cortexturizer]

http://fuzzcentral.ssguitar.com/mkII/supafuzzschematic.gif

Change the 470R resistor to 1K5. I did it to mine. It's very loud.

[rosettastoned]

thx man.....