Bazz Fuss Sustain Mods??

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Dogbrainz
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Bazz Fuss Sustain Mods??

Post by Dogbrainz »

Anyone know of any Bazz Fuss Mods that help with sustain issues?

I've been bread boarding some Bazz Fuss variations and am going to do a build with the MPSA13 and 1914 diode.

Does anybody know of any mods to help give more sustain for higher notes?

The robot fart/dying bee sound on higher notes sounds cool but if anyone knows of mods that help give sustain for the higher notes I'd sure appreciate some tips....
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Re: Bazz Fuss Sustain Mods??

Post by Jero »

Maybe make 2 in series aka the buzzbox (not related to the DOD)...or just put a boost in front of it.
Perhaps a blend control on the diode?
All those quirks are just part of the fun with that circuit.
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Dogbrainz
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Re: Bazz Fuss Sustain Mods??

Post by Dogbrainz »

Jero wrote:Maybe make 2 in series aka the buzzbox (not related to the DOD)...or just put a boost in front of it.
Perhaps a blend control on the diode?
All those quirks are just part of the fun with that circuit.
Yeah I guess that's just what a minimal fuzz circuit does.
I'll just make it as is and use it for what it does. I do really like the sound it gives on the lower power chords.
I'll probably just make a fuzz face clone as a second project and use the Bazz Fuss build as a learning curve
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Re: Bazz Fuss Sustain Mods??

Post by culturejam »

You could try a schottky diode instead of the silicon. Like BAT41, BAT42, 1N60P, etc.

It will lower the output volume a bit, but it will increase the compression/sustain.
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Re: Bazz Fuss Sustain Mods??

Post by Dogbrainz »

culturejam wrote:You could try a schottky diode instead of the silicon. Like BAT41, BAT42, 1N60P, etc.

It will lower the output volume a bit, but it will increase the compression/sustain.
Alrighty yeah. I'll definately try that. There's no shortage of output volume on it so that'll be no real loss
Thanx for the tip.
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Re: Bazz Fuss Sustain Mods??

Post by fuzzy1 »

I got a solution to this bazz fuss sustain thing!
After a long time I figured it out, if your still looking just let me know and ill tell you how I did it.
Just dont wanna be posting this to a dinosaur!
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Re: Bazz Fuss Sustain Mods??

Post by eatyourguitar »

fuzzy1 wrote:I got a solution to this bazz fuss sustain thing!
After a long time I figured it out, if your still looking just let me know and ill tell you how I did it.
Just dont wanna be posting this to a dinosaur!
wait what who is dino? you can post it here. I want to see.
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Re: Bazz Fuss Sustain Mods??

Post by Suspicious minds »

Hi all,
New to the forum, however have been building a few fuzz pedals recently in particular the bazz fuss.
I did one - point to point, using a youtube video and i got the "farty" sound described.
Now i've just finished a bazz fuss using a pcb from poodle pedal parts (populated with components i already have),and it sounds very good with great sustain.
I used the mpsa13 transistor but added a on/on switch to flick between a 1n4148 and a 3mm led.
The 1n4148 sounds quieter than the led but is fine - nice and smooth.
Kick the led on however and it goes louder and is almost a hybrid fuzz/distortion sound - really very good.
I've also added a further switch - on/off/on to the existing switch with another led and a 0a119 germanium diode.
I tried to add a gain pot to control the fuzz from the pedal rather than the vol knob on my guitar but couldnt get anything other than an annoying white noise sound so i ditched that idea.
Anyways, its deffo going on my board so happy days!
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Re: Bazz Fuss Sustain Mods??

Post by fuzzy1 »

Okay so ill try to keep it simple.
First of all the sustain problem is BIAS Issue! for this solution a 1n4148 diode and a 2n3904 transistor was used.
Step 1: That resistor connected to the collector, usually I see it on some schematics as a 100k or 10k resistor, replace it with a 10 trim pot!
Step 2: connect a 1Meg resistor directly from the 9V supply to the base of the transistor.
Step 3: Bias it.... this is tricky as fup! for my test from what I can remember when I done this the collector was about 200 mV above the base voltage.
A Volt meter isn't really necessary tho as you really will need to do this by ear.
Basically start at the highest resistance of the trim pot, play a chord and search for the sustain by varying the trim pot until you get a thick wall of dense sustain.
I went past this point loads of times trying to get it perfect, you will see what I mean if you try it, its a tiny point on the trimpots rotation.
A quick note, a 1n4148 wont really turn on till you hit 500mV so a 200mV potential difference between its two sides ( the collector and base ) means its not turned on fully.
Hope this helps im new to this fist post so dont know how to post a schematic will be happy to if any one wants one or such like.
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Re: Bazz Fuss Sustain Mods??

Post by KaosCill8r »

Suspicious minds wrote:Hi all,
New to the forum, however have been building a few fuzz pedals recently in particular the bazz fuss.
I did one - point to point, using a youtube video and i got the "farty" sound described.
Now i've just finished a bazz fuss using a pcb from poodle pedal parts (populated with components i already have),and it sounds very good with great sustain.
I used the mpsa13 transistor but added a on/on switch to flick between a 1n4148 and a 3mm led.
The 1n4148 sounds quieter than the led but is fine - nice and smooth.
Kick the led on however and it goes louder and is almost a hybrid fuzz/distortion sound - really very good.
I've also added a further switch - on/off/on to the existing switch with another led and a 0a119 germanium diode.
I tried to add a gain pot to control the fuzz from the pedal rather than the vol knob on my guitar but couldnt get anything other than an annoying white noise sound so i ditched that idea.
Anyways, its deffo going on my board so happy days!
I've built a lot of Poodles Pedal Parts fuzz and overdrive kits. Awesome kits for cheap. Actually never built his Bazz Fuzz kit. Might have to look into it and build a dedicated bass board.
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