RAT LAB

Do-it-yourself pedal building

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nbabmf
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RAT LAB

Post by nbabmf »

Inspired by the Beavis Fuzz Lab, FKR, etc... I'm converting a ProCo Roadkill (aka GC exclusive, rebranded Brat from the 90's) to the most versatile Rat in existence.

And it all starts here:
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I love the smell of solder in the morning.

Successful dealings with: blooghost, starcastic, bronzetalon, theavondon, absent, jero, sevenSHARPnine, magiclawnchair, oldangelmidnight, and others that I can't remember lol
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Nychthemeron
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Re: RAT LAB

Post by Nychthemeron »

Oh man, that Beavis fuzzlab is insane. I can't imagine something that could surpass it. Good luck with making it. :thumb:
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nbabmf
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Re: RAT LAB

Post by nbabmf »

The Fuzz Lab cost hundreds of dollars to build. I'm probably not going to go that far, but I will make it pretty ridiculous in terms of switches and knobs. I want as many useful sounds as possible.
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I love the smell of solder in the morning.

Successful dealings with: blooghost, starcastic, bronzetalon, theavondon, absent, jero, sevenSHARPnine, magiclawnchair, oldangelmidnight, and others that I can't remember lol
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Re: RAT LAB

Post by elbandito »

oooOOOOooo, this is gonna be good. :excellent:
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nbabmf
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Re: RAT LAB

Post by nbabmf »

Here's what I'm thinking so far... toggle switches for diodes in the feedback loop (Brat/Roadkill) and a variety of clipping options (germanium, silicon, and LED - all the main Rat variations), two versions of the Ruetz mod on pots for variable distortion character, and a voltage sag control with a voltage meter.

I'm open to more ideas!
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I love the smell of solder in the morning.

Successful dealings with: blooghost, starcastic, bronzetalon, theavondon, absent, jero, sevenSHARPnine, magiclawnchair, oldangelmidnight, and others that I can't remember lol
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Re: RAT LAB

Post by hazelwould »

nbabmf wrote:Here's what I'm thinking so far... toggle switches for diodes in the feedback loop (Brat/Roadkill) and a variety of clipping options (germanium, silicon, and LED - all the main Rat variations), two versions of the Ruetz mod on pots for variable distortion character, and a voltage sag control with a voltage meter.

I'm open to more ideas!

Feedbackloop
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nbabmf
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Re: RAT LAB

Post by nbabmf »

Haha, that's not even remotely useful to me.

http://www.youtube.com/watch?v=4f8e1uGFJLU
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I love the smell of solder in the morning.

Successful dealings with: blooghost, starcastic, bronzetalon, theavondon, absent, jero, sevenSHARPnine, magiclawnchair, oldangelmidnight, and others that I can't remember lol
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Re: RAT LAB

Post by beavis »

You really want to go insane?

Add two sets of variable capacitors for the LM308's compensation cap. Then a switch to go between them. 51pf makes for a darker sound than the stock 30/33pf part.

Then put in a ZIF socket so it is easy to swap opamps. Like this:

Image

And then, perhaps, a 12AU7 boost in front...

:hello:
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Re: RAT LAB

Post by hazelwould »

The king has spoken! :rock:
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Re: RAT LAB

Post by futuresailors »

beavis wrote:You really want to go insane?

Add two sets of variable capacitors for the LM308's compensation cap. Then a switch to go between them. 51pf makes for a darker sound than the stock 30/33pf part.

Then put in a ZIF socket so it is easy to swap opamps. Like this:

Image

And then, perhaps, a 12AU7 boost in front...

:hello:


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Re: RAT LAB

Post by nbabmf »

beavis wrote::hello:

:hello:
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I love the smell of solder in the morning.

Successful dealings with: blooghost, starcastic, bronzetalon, theavondon, absent, jero, sevenSHARPnine, magiclawnchair, oldangelmidnight, and others that I can't remember lol
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