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true bypassing Boss pedals with 3PDT?

kctxsa

Member
Messages
80
I recently built my first pedal (a simple boost) and successfully used a 3PDT to true bypass it.

Anybody had success using a 3PDT to true bypass Boss pedals?
 

GuiltySpark

Member
Messages
6,855
I've seen examples for sale. It is physically possible. But it's a tight squeeze in there! I've seen it done two ways, one just pokes the 3PDT switch out. The other trims the top off the 3PDT switch and uses the stock on/off pad. Pedal looks original until the cover is lifted.

One example of method one. I couldn't find an example of the trimmed switch, but I have seen them for sale on rare occasion.
 
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kctxsa

Member
Messages
80
Wow. That's a weird one. I haven't poked around too much in there but I'm guessing that based on that picture it's a tight squeeze to get a normal 3PDT in there.

Most of the switches I've seen have a good deal of height adjustment with a nut but maybe not enough. I'll make sure to post any success I have.
 
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blackba

Gold Supporting Member
Messages
11,474
I think a looper is a better solution or tweaking the buffer in a boss pedal than putting a 3PDT switch in there to make it true bypass.
 

SonicVI

Member
Messages
1,605
I've done it a couple of times. It's not really all that difficult, relatively, but working space is tight, which I'm not a fan of.
 

TheLemon

Senior Member
Messages
790
Tried to do it once on a MXR Phase 90 but there was no room because the current switch was PCB-mounted so there was no room for a 3PDT unless you wanted to cut some of the board out.

I succesfully true-bypassed an old Dunlop Wah pedal with a 3PDT and took out the horrible buffer (and also installed an LED)
 

shaggs

Member
Messages
43
boss pedals are probably one of the hardest to true bypass as there is very little room .
 

kctxsa

Member
Messages
80
Yeah. Now I'm starting to wonder if it's worth the trouble. Been reading in a couple of places that an unengaged Boss might not be that big of a tone sucker.

Lemon, thanks for the idea on the wah. I was thinking about doing that to an old Crybaby. I don't use it much but it might boost it's trade value if I did a bypass. Should be enough room. If I remember correctly it seemed like you could hide a small sandwich in the cavity of those pedals. I like the LED part too.
 

kctxsa

Member
Messages
80
Well there you go. Different 3PDT switch than I'm used to seeing. Missing the little mushroom cap on top. Source?
 

kctxsa

Member
Messages
80
BTW, just new to TGP today (if not apparent by my post count of a whopping 7). Got tired of all the garbage over at HC. Decent place to source out gear and stuff but try and get a decent discussion going about something and your thread gets immediately gang-banged by a clown parade.
 

Axekisser

Member
Messages
1,156
Termozzz, are able to provide a schematic? Are you going right to the buffer and also switching the LED?
 

stoneattic

Member
Messages
61
I know it's an old thread, but I wanted to ask termozzz how he removed the cap on the switch? I don't want to destroy the switch. Did you just yank it? (That sounded bad) :)
 

elvisofnazareth

Active Member
Messages
97
I did a TB to a modded blues driver once. One thing you need to check before you mod is if the pedal circuitry turns on when you plug in, some Boss pedals turn on when powered up, some power up in bypass mode. If it powers up in bypass mode, all your TB switch will be doing is switching in and out the Boss Buffer!!!! This is fixable but a whole separate can of worms. And a separate pain in the ass.
 

BrianWampler

Member
Messages
1,338
you can also just install a small relay to bypass it as well and not have to mess with the 3pdt. It's a bit easier, IMO.
 

mikoo69

Silver Supporting Member
Messages
2,476
is there any way to bypass a DD-6 but still have the warp function work? the warp function is where te delay records and holds as long as you depress the pedal and as you lift your foot off the held loop diminishes in volume.

i also want to TB a Boss DD-2 and a Boss DM-2. can anyone do this for me? i like the method where the switch is under the casing so the original footswitch still works.
 
Messages
1,186
is there any way to bypass a DD-6 but still have the warp function work? the warp function is where te delay records and holds as long as you depress the pedal and as you lift your foot off the held loop diminishes in volume.

i also want to TB a Boss DD-2 and a Boss DM-2. can anyone do this for me? i like the method where the switch is under the casing so the original footswitch still works.
Possible, but extremely impractical. You'd have to use relays, and electronically control them so that the inputs switched first, but the outputs would not switch until after the effect dies out. Considering that time interval is going to vary according to the delay time and feedback level, you'd probably have to use something like a noise gate to tell the output relays when to switch. Lots of circuitry, most of it intermediate-to-advanced in terms of difficulty... so it is possible, but it probably has never been done in a guitar pedal, and maybe never will.
 

this1smyne

Senior Member
Messages
2,493
au contraire. i've true bypassed a DD6 and installed external tap tempo control (which when held works as the warp function). i did rehouse it, though it wasn't necessary for the mods.
 




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