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DIYstompboxes.com  |  Projects  |  Beginner Project  |  Just boost right? 0 and 1 Guest are viewing this topic. « previous next »
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: Just boost right?  ( 2206 )
JasonG
: 639


Just boost right?
« : June 15, 2007, 06:18:12 AM »

Hi
 Just finished the booster. love the sound subed in an audio pot for the liner for till I can get one. This thing just boosts right? When I turned it down it was at line level. It would not cut all of the signal out.
 Thanks Jason

Class A booster , Dod 250 , Jfet booster, Optical Tremolo, Little Gem 2,  mosfet boost, Super fuzz , ESP stand alone spring reverb red Llama omni-drive , splitter blender ,

NEVER use gorilla glue for guitar repairs! It's Titebond , Elmers, or Superglue
Ben N
: 3395

Ben N. - really! Now Israel, once Baltimore


Re: Just boost right?
« #1 : June 15, 2007, 09:35:59 AM »

If the opamp design is non-inverting, it cannot fall below unity gain. That is usually not much of an issue, if you just use an output level control, or if you only need boost. If you design your booster as inverting, gain can go to zero, but there are performance costs (noise, I think?).

Ben
newbie builder
: 445

Evan R


Re: Just boost right?
« #2 : June 15, 2007, 09:37:12 AM »

This is a transistor (not opamp) based project that uses bootstrapping for gain. You are correct, it only boosts, you cannot lower the volume with the pedal. Congrats on your first build! The NPN boost is still one of my most used clean boosters.

//
JasonG
: 639


Re: Just boost right?
« #3 : June 15, 2007, 10:18:02 AM »

Thanks for the help! At last a working  pedal ! :D

Class A booster , Dod 250 , Jfet booster, Optical Tremolo, Little Gem 2,  mosfet boost, Super fuzz , ESP stand alone spring reverb red Llama omni-drive , splitter blender ,

NEVER use gorilla glue for guitar repairs! It's Titebond , Elmers, or Superglue
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