Speaker Line Out Isolation Transformer question

S

Soulchief

New member
Speaker Line Out Isolation Transformer question:

Does anybody know what Type/Spec ‘Isolation Transformer’ Suhr or Bradshaw uses for their Speaker Line Out Boxes? Correct resistances?

Want to attempt to make one.


I see these resistance specs options but don’t know what is needed:
— 600:600
— 10k:10k
— 10k:600 ?

— Xicon, Jenson, Edcor ?


Anybody have any ideas or knowledge on this?


Thanks for any help
 
In my original ISO line out boxes, Suhr used a large Jensen transformer.

1679856627328.jpeg
 
SpiderWars said:
Somebody posted a pic of the rig Michael Landau is using on the current tour with Eric Johnson. Check out the box on top of the R/L. The box was allegedly built by Suhr.

He is not going W/D or W/D/W here.

IMG-2048.png
Click to expand...
Maybe a junction box sending a signal to the FOH? Looks important enough to have on top though...
 
psychodave said:
Maybe a junction box sending a signal to the FOH? Looks important enough to have on top though...
Click to expand...
Not shown are two pedalboards…one looks fairly typical and pretty big, the other looks to have time-based stuff.

So my guess is:
Guitar-pedalboard1-amp
Then two speaker cables from amp; one to the Suhr R/L and one to the custom Suhr ISO box
Then ISO box-pedalboard2-Duncan Powerstage 700-speaker

EDIT: there is a big volume pedal (guessing) on pedalboard1 and my guess is that’s between the ISO box and pedalboard2 so you can control your volume at any gain level and you still have trails on the delays/reverbs.

IMG-2049.png
 
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