Univox - Superfuzz  [schematic]

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Re: Univox - Superfuzz

Postby ShortScaleMike » 30 Oct 2008, 10:39

Solidhex wrote:With any Superfuzz build expect a delayed blast of hiss about a split second after you hit a note or chord. If you don't like it TOUGH!

--Brad


The ones I built didn't do this.

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Re: Univox - Superfuzz

Postby ShortScaleMike » 30 Oct 2008, 10:42

salocin wrote:To those of you who have built the superfuzz- do you have much trouble with hum/noise? Just finished mine off, and there's a fair amount of hum, which i've never had much trouble with in previous builds. I did have to twist the legs of the base and collector round as I used 2SC828's but the layout was designed for 2N2222's. Could that have anything to do with it?


My layout is for 2SC828s
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Re: Univox - Superfuzz

Postby salocin » 30 Oct 2008, 22:49

ShortScaleMike wrote:My layout is for 2SC828s


I'll certainly be using your layout for the next build, hadn't seen it when I started on this one though which is why I used the Ulysses layout from the DIYstompboxes gallery.

edit: Which schematic is your layout based off?
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Re: Univox - Superfuzz

Postby ShortScaleMike » 31 Oct 2008, 16:57

The univox one that is floating around the web. The electronic layout isn't verified yet unfortunately, the paper one I made this layout from was though.
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Re: Univox - Superfuzz

Postby Solidhex » 10 Nov 2008, 04:08

ShortScaleMike wrote:
Solidhex wrote:With any Superfuzz build expect a delayed blast of hiss about a split second after you hit a note or chord. If you don't like it TOUGH!

--Brad


The ones I built didn't do this.


I've built around 13 clones and have played through 3 Orange/Blue Superfuzzes and probably around 6 different rebranded (companion, shinei, jax, Crown, etc) Superfuzz circuit equipped fuzz/wahs through all sorts of different amp/guitar combos. The weird gate hiss thing is always there to some degree from my experience with the circuit. Adjusting the trimpot will get a minimum amount of hiss when the octave is well balanced but after hitting a chord I always hear the characteristic Superfuzz hiss...

--Brad
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Re: Univox - Superfuzz

Postby salocin » 10 Nov 2008, 04:10

Cheers for the confirmation.

How about the hum? Is this typical of them as well, or is this possibility related to my build?
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Re: Univox - Superfuzz

Postby Solidhex » 12 Nov 2008, 05:31

salocin wrote:Cheers for the confirmation.

How about the hum? Is this typical of them as well, or is this possibility related to my build?


Yo

If you're getting a constant hum its most likely your build. I read up on the usual debugging processes. If you're runnning a wall wart try it with a battery.

--Brad
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Re: Univox - Superfuzz

Postby Kinki fuzz » 12 Nov 2008, 13:40

Don't forget this is called SUPERfuzz, so some hiss is needed!, :lol: if not, this would be called, fuzz'whatever', but not 'super'. Make nastiness part of your live, guys!! :P
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Re: Univox - Superfuzz

Postby Alex Frias » 13 Nov 2008, 17:00

Interesting point... but I think nastyness is present in sufficient doses in my life and in my pedals!

I have a Giannini (Braziliam Company) Superfuzz from 70's and even the layout was copied from the original.

It sounds cool and have a small portion of hum and hiss, they are there but not as an anoying factor.
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Re: Univox - Superfuzz

Postby graemey » 11 Dec 2008, 23:28

ShortScaleMike wrote:I made designed and built a stripboard layout for this. the original layout is verified (it was a paper design), unfortunately this electronic version isn't as yet.

Image

Here is the one I built:
Image
Image
Image

Tones are footswitchable with a dual colour LED


Im putting this together as we speak...
Shouldn't one side of R3 reach up to hole h3 so it connects to Q1?
Also, isn't that a cut under R9 making 21 cuts in total?

Just thought I'd ask to avoid any mistakes! :?
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Re: Univox - Superfuzz

Postby ShortScaleMike » 14 Dec 2008, 13:37

Looks like you're right on both counts there! Sorry about that, like I said my original hand drawn version is verified but this is not, I'll make those fixes shortly

Thanks!
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Re: Univox - Superfuzz

Postby graemey » 14 Dec 2008, 22:26

ShortScaleMike wrote:Looks like you're right on both counts there! Sorry about that, like I said my original hand drawn version is verified but this is not, I'll make those fixes shortly

Thanks!



Cool!
I got my circuit finished and it sounds brilliant!
I tried germanium diodes and then swapped them for LEDs. Both sounded great so I might rig-up a footswitch to change between them both.
Think I will get a video of this one up on Youtube soon. Let you know if I do...

Thanks for the layout! :applause:
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Re: Univox - Superfuzz

Postby ShortScaleMike » 18 Dec 2008, 12:53

graemey wrote:
ShortScaleMike wrote:Looks like you're right on both counts there! Sorry about that, like I said my original hand drawn version is verified but this is not, I'll make those fixes shortly

Thanks!



Cool!
I got my circuit finished and it sounds brilliant!
I tried germanium diodes and then swapped them for LEDs. Both sounded great so I might rig-up a footswitch to change between them both.
Think I will get a video of this one up on Youtube soon. Let you know if I do...

Thanks for the layout! :applause:



Thank you for correcting it and thus making it verified (when I make the changes to it, it's on my home PC I try not to turn on since I'm in front of a computer all day. I'm glad you've got it working, it truly is a great design.
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Re: Univox - Superfuzz

Postby drmathprog » 18 Dec 2008, 14:31

Personally, except for the fact that it's AC powered instead of DC, I've always preferred the Univox Unifuzz to the Superfuzz. It's more versatile and useful.
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Re: Univox - Superfuzz

Postby HEAD » 18 Dec 2008, 19:15

Solidhex wrote:
ShortScaleMike wrote:
Solidhex wrote:With any Superfuzz build expect a delayed blast of hiss about a split second after you hit a note or chord. If you don't like it TOUGH!

--Brad


The ones I built didn't do this.


I've built around 13 clones and have played through 3 Orange/Blue Superfuzzes and probably around 6 different rebranded (companion, shinei, jax, Crown, etc) Superfuzz circuit equipped fuzz/wahs through all sorts of different amp/guitar combos. The weird gate hiss thing is always there to some degree from my experience with the circuit. Adjusting the trimpot will get a minimum amount of hiss when the octave is well balanced but after hitting a chord I always hear the characteristic Superfuzz hiss...

--Brad


Hi,

my first post here so far. Even though it is just a little off topic: Brad, you're not happen to be the bass player of a famous rock band, that forced me with their special fuzz sound to build a SuperFuzz too? :lol:
Thx!

Regards!
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Re: Univox - Superfuzz

Postby ShortScaleMike » 20 Dec 2008, 16:40

Thanks for teh corrections Graeme, this is now a verfied layout:
Image

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Re: Univox - Superfuzz

Postby Fuzzer » 21 Dec 2008, 01:25

Fu Manchu, yeeeahhhhh. :thumbsup
The Freestompboxes Forum search function is soo great, use the search function..., the S E A R C H function.

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Re: Univox - Superfuzz

Postby graemey » 27 Jan 2009, 19:59

http://uk.youtube.com/watch?v=BPBn1VK8C ... annel_page


Finally got round to posting a youtube video of my Superfuzz.
Big thanks to Shortscalemike for the vero layout and, as you may see, I pinched the 'Starve' control idea also. :applause:

I used 2N3904 trannys in mine.

Check the link above. Fuzzchaos!

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Re: Univox - Superfuzz

Postby Sickle » 27 Jan 2009, 20:03

Slamming job, graemey!
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Re: Univox - Superfuzz

Postby ShortScaleMike » 28 Jan 2009, 16:33

graemey wrote:http://uk.youtube.com/watch?v=BPBn1VK8C-M&feature=channel_page


Finally got round to posting a youtube video of my Superfuzz.
Big thanks to Shortscalemike for the vero layout and, as you may see, I pinched the 'Starve' control idea also. :applause:

I used 2N3904 trannys in mine.

Check the link above. Fuzzchaos!

Wicked. Great job mate, I've watched a bunch of your videos before (you have some very nice gear indeed).
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