Schaffer-Vega Diversity System Clone Pedal Project

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harddriver
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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by harddriver »

I believe in the secondary Variac between the Head and the speaker cabinet theory, and as far as I know that is a Chris Merren hypothesis or specific knowledge. I have two Omite VT variacs for that very reason in my VH1 setup.


Look up Mr. Twistynecks experiments.

Honestly I think Robin L exposed most of the VH1 secrets IMHO, if you a re willing to do the work and check them out, there can't be much left to exploit.
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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by PLX »

harddriver wrote: Sun Jul 25, 2021 11:47 pm I believe in the secondary Variac between the Head and the speaker cabinet theory, and as far as I know that is a Chris Merren hypothesis or specific knowledge. I have two Omite VT variacs for that very reason in my VH1 setup.


Look up Mr. Twistynecks experiments.

Honestly I think Robin L exposed most of the VH1 secrets IMHO, if you a re willing to do the work and check them out, there can't be much left to exploit.
jnew over at metro has some youtube videos of that as well.
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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by RockyStar »

WOW! Looks great!! Now I want one...lol.
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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by PLX »

test fitting components:

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Schaffer-Vega Diversity System Clone Pedal Project

Post by PLX »

completed circuit board modules, enclosure painted (5 coats Rust-oleum gloss black):

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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by administrator »

Hey that one little blue resistor is crooked.
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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by PLX »

administrator wrote: Mon Aug 02, 2021 4:41 pm Hey that one little blue resistor is crooked.
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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by CoolGuitarGear »

Never heard of this... curious to hear what it does!
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Re: Schaffer-Vega Diversity System Clone Pedal Project

Post by PLX »

CoolGuitarGear wrote: Thu Aug 05, 2021 10:01 pm Never heard of this... curious to hear what it does!
I'll put up a clip soon.

The key to this circuit is the limiter/compander, which is in essence an NSL-32 opto-isolator.

If you listen to the "Back in Black" album by AC/DC, this circuit was used on every guitar track, according to Mutt Lange.


This guy does a pretty good demo of the effect on/off tones.


this guy too
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Schaffer-Vega Diversity System Clone Pedal Project

Post by PLX »

Faceplate art and control knob labels edited. Clear coat cured.. Final assembly:


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