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DIY Stompboxes => Building your own stompbox => Topic started by: Zombie_Crush on August 16, 2011, 03:58:09 PM

Title: How would you add an LPB-1 Booster to pre-gain an Shin Ei FY-2 circuit
Post by: Zombie_Crush on August 16, 2011, 03:58:09 PM

Precisely that  :-\

how do I wire an LPB-1 booster before the Shin Ei FY-2 circuit in the same enclosure - I want to use the LPB-1 Vol to pre-boost the signal
into the FY-2. Am also wiring to a 3PDT Foot-Switch, for Bypass and LED ON/OFF indication.

My LPB-1 circuit has the following connections for routing :-

IN
GROUND
9V +
LBP-1 to VOL 3
VOL 1 to GROUND
VOL 2 to OUT



The FY-2 has the following board connections :-

SCOOP 2 / 3
SCOOP 1 / VOL1
Vol 3
FUZZ 1
FUZZ 2
FUZZ 3
GROUND
IN
+9V


Many thanks for your assistance  ;)


Title: Re: How would you add an LPB-1 Booster to pre-gain an Shin Ei FY-2 circuit
Post by: Mark Hammer on August 16, 2011, 04:22:06 PM
If they were in seperate pedals, your patch cable would simply connect the wiper of the LPB-1 level pot to the input of the FY-2, right?  So why bother with a patch cable?  Stick them both in the same box and make the LPB-1 section independently stompable.

Note that, while slightly boosted inputs can render the fuzz more severe, the FY-2 has a tendency to "cave in" in response to high amplitude input signals.  It's delicious when it happens, but you're not going to want to leave it on for very long.
Title: Re: How would you add an LPB-1 Booster to pre-gain an Shin Ei FY-2 circuit
Post by: Zombie_Crush on August 16, 2011, 04:25:11 PM
 No worries!

figured it out :)
Title: Re: How would you add an LPB-1 Booster to pre-gain an Shin Ei FY-2 circuit
Post by: Zombie_Crush on August 16, 2011, 04:47:03 PM
Hi Mark

missed your rapid response

have wired it in and it seems to be working very well. When you say "Cave In" what exactly would that mean, will the FY-2 circuit fail with the booster in parallel or something?

thanks for your advice :)
Title: Re: How would you add an LPB-1 Booster to pre-gain an Shin Ei FY-2 circuit
Post by: nordine on August 16, 2011, 05:00:02 PM
Quote from: Zombie_Crush on August 16, 2011, 04:47:03 PM
Hi Mark

missed your rapid response

have wired it in and it seems to be working very well. When you say "Cave In" what exactly would that mean, will the FY-2 circuit fail with the booster in parallel or something?

thanks for your advice :)

guess he refers to something i noticed too... when you boost the hell out the input of the FY-2, the more hard you play, the more compression you get, to the point of getting a swell effect
Title: Re: How would you add an LPB-1 Booster to pre-gain an Shin Ei FY-2 circuit
Post by: Zombie_Crush on August 16, 2011, 05:28:30 PM
Hi nordine

Cheers for clearing that up  ;)

been noticing how squeezed the growl sounds - for the vibe of the FY-2 - must say I kind of like it.

:)


Title: Re: How would you add an LPB-1 Booster to pre-gain an Shin Ei FY-2 circuit
Post by: Mark Hammer on August 16, 2011, 06:49:47 PM
You get a similar "caving in" effect when you push an Ampeg Scrambler hard too.  Very cool effects though, as I say, not the sort of thing you leave on.
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