Bass Driver

A forum devoted to mod, tips and suggestions for upgrading and rehousing your VERY CHEAP commercial stompbox to near boutique excellence.
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skylark44
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Post by skylark44 »

Does anyone know of any mods for the Behringer V-Tone BD121 ? :| ...I picked one up dirt cheap, and would like to mod it.
It sounds okay, but the drive control doesn't seem to give it enough distortion (for my taste), and the presence control just seems to brighten it up a little bit, but doesn't really add much "presence" IMO :? . Any ideas would be taken into consideration...it's just too bland sounding to my ears. Thanx, in advance :wink: . :mrgreen:

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skylark44
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Post by skylark44 »

BUMP!...no replies yet? :| :mrgreen:

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pedalgrinder
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Post by pedalgrinder »

is it surface mount or through hole? Is it using op amps or transistors? Its easy to increase gain just change the resistors that adjust the gain for op amps thats rf / ri if you can look more into it or a schematic or a trace i can tell you what ones to change.
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pedalgrinder
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Post by pedalgrinder »

i looked online for a schematic can you trace the pedal so we can get the schematic and you can get it modded.
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deltafred
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Post by deltafred »

Isn't this pedal very similar to this one?

https://www.freestompboxes.org/viewtopic ... er#p161590
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pedalgrinder
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Post by pedalgrinder »

i don't know but if it is iam happy to show how to increase the gain
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deltafred
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Post by deltafred »

skylark44 wrote: It sounds okay, but the drive control doesn't seem to give it enough distortion (for my taste),
Easy enough to up the gain a bit.
... and the presence control just seems to brighten it up a little bit, but doesn't really add much "presence" IMO :? ...
A bit more difficult as you first have to define what you perceive 'presence' to be, frequencies to boost and by how much etc.
Politics is the art of so plucking the goose as to obtain the most feathers with the least squawking. - R.G. 2011
Jeez, she's an ugly bastard, she makes my socks hurt. I hope it's no ones missus here. - Ice-9 2012

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pedalgrinder
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Post by pedalgrinder »

yeah well that was why i was hoping he would trace that unit that way we gain with a schematic for a new pedal and he gains with mods for it.
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deltafred
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Post by deltafred »

pedalgrinder wrote:yeah well that was why i was hoping he would trace that unit that way we gain with a schematic for a new pedal and he gains with mods for it.
I agree but a schematic of this size is pretty ambitious, especially if he has never traced anything before.

Good gut shots would be very nice!
Politics is the art of so plucking the goose as to obtain the most feathers with the least squawking. - R.G. 2011
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pedalgrinder
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Post by pedalgrinder »

hows it going to hurt him to trace it. It's not that bad. if it's not a fuzz or a distortion its hard thats crap it will be a good experience for him.
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skylark44
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Post by skylark44 »

Thanx guys, I'll try to get some gut shots posted ASAP. :mrgreen:

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skylark44
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Post by skylark44 »

deltafred wrote:Isn't this pedal very similar to this one?

https://www.freestompboxes.org/viewtopic ... er#p161590
I checked out the schematic, in that thread...thanx :wink: . :mrgreen:

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