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| | |-+  HELP!! JTM 50 Mods		 « previous next »
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Author Topic: HELP!! JTM 50 Mods  (Read 6085 times)
72fetter
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« on: April 15, 2008, 10:12:11 PM »
Okay so I ordered a series of mods on my kit but I cant seem to find any articles on how to actually accomplish them haha.

I need help with installing the external bias mod and i am planning an internal channel jump with a mini toggle to disconnect it. I also am planning a toggle to disconnect my ppi volume mod.
also are there any better directions online for putting the kit together? I am currently using the pdf from metro but it applies to the jtm45.
thanks guys.

p.s. I am waiting ofr my trannies, can i start on the kit and just install them when they get here?
 
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72sg
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« Reply #1 on: April 16, 2008, 07:29:55 AM »
Uhhh ... be careful what you wish for?

Sorry!

I'm sure someone will be along shortly.
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cmoore
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« Reply #2 on: April 16, 2008, 09:49:41 AM »
Hhmmmmm.   The toggle switch to disconnect the PPIMV is new to me. I am not any kind of tech, but I don't understand what a toggle switch can do. All of the wires and the dual stack pot are in there. Turn it all the way to the right and it is "off" I thought.
How much further out does the toggle take it, back to the board maybe?  I just pulled a PPIMV out of a plexi lead/converted to bass. Maybe with the Mod you are talking about I could have left everything in there?
Thank You
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72fetter
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« Reply #3 on: April 16, 2008, 08:15:01 PM »
well if anything this will prove if it really is at zero.

but external bias mod....how do i do it?
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bloodedge
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« Reply #4 on: April 18, 2008, 03:14:59 AM »
Quote from: 72fetter on April 16, 2008, 08:15:01 PM
well if anything this will prove if it really is at zero.

but external bias mod....how do i do it?



you may check at this picture.
hope it help Smiley, it's a nice mod Tongue

some like to have the 1ohm resistor between pin 1 and 8 too...
like on there
except there is no external reading point.

* 9ad3th.jpg (341.22 KB, 1492x926 - viewed 1875 times.)
« Last Edit: April 18, 2008, 03:18:12 AM by bloodedge » Logged
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