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Boss LS-2 buffer placement Effects Pedals, Units & Accessories
Old 16th December 2010
Here for the gear
blujosh's Avatar

Boss LS-2 buffer placement

i have a boss ls-2 pedal that i've used in an infinite amount of contexts, but very often as a pedal to (sucessfully) run two effects (or chains of effects) in parallel (such as an overdrive and a boutique fuzz pedal). i'm now thinking of building my own buffered aby type of pedal, but was wondering this:

does anyone know where the buffers are placed on the Boss LS-2 circuit? are they just before the send jacks? just after the return jacks? at both places? somewhere else altogether?



ps. do let me know if this questions fits better in a different forum or subforum.
Old 17th December 2010
Lives for gear
2N1305's Avatar

Hi Blujosh,
Very good question. I don't know the LS-2 pedal but I do know that I desgined, for a someone, a signal plitter/combiner. It only consisted of an opamp driving eight outputs, (each one not buffered, only isolated by a 220 ohm resistor) and the inputs only isolated by a potentiometer and capacitor. Essentially, a reistive splitter and mixer. It does work, although it was slightly noisy, being unbalanced.
I can probably find the schematics, and I know I can find the PC board files.

Oh and welcome to Gearlsutz

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