JK 381 5th knob

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JK 381 5th knob

Postby (troppovino) » Tue Jul 11, 2017 2:02 pm

I am looking for information on what the small 5th knob does on the Ric JK381. Most Rickenbackers that feature a fifth knob use this position to hold a potentiometer that acts, more or less, as a bass/treble balance control. It rotates from full CCW to full CW with no detents. On the JK381, the knob is a 4 position switch. According to the manual, position 1 is Off but the manual does not elaborate on the other three positions. I sent a note to Rickenbacker tech folk but the only info they had was to refer me to the manual, which they kindly re-supplied me.

Any help with this would be gleefully accepted!
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Re: JK 381 5th knob

Postby (Danotron) » Tue Jul 11, 2017 6:43 pm

This may be what you already have but it's all I could find.

Hope it helps!

John Kay Owners Manual 2.jpg


John Kay Owners Manual 3.jpg
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Re: JK 381 5th knob

Postby (jps) » Tue Jul 11, 2017 8:52 pm

Very cool introduction in the manual by John. 8)
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Re: JK 381 5th knob

Postby (jdogric12) » Wed Jul 12, 2017 8:30 am

Boy, that manual doesn't explain the little knob, does it? Can you describe what the second, third, and fourth positions sound like?
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Re: JK 381 5th knob

Postby (jps) » Wed Jul 12, 2017 10:51 am

jdogric12 wrote:...Can you describe what the second, third, and fourth positions sound like?

As you rotate the knob clockwise, each position gets more.
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Re: JK 381 5th knob

Postby (Badanovski) » Wed Jul 12, 2017 6:13 pm

C. Passive mode (standard output jack) clearly explains what the little bugger does in each position. I'm assuming fully clockwise is the the final position explained in active mode.
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Re: JK 381 5th knob

Postby (wim) » Wed Jul 12, 2017 6:47 pm

As I understand it, position 4 is active mode, which is adjusted with the 4 other knobs and the selector switches.
Position one to three are passive mode pickup selection, as the other switches only work in active mode
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Re: JK 381 5th knob

Postby (jdogric12) » Thu Jul 13, 2017 1:31 pm

Badanovski wrote:C. Passive mode (standard output jack) clearly explains what the little bugger does in each position. I'm assuming fully clockwise is the the final position explained in active mode.



derp - i shud lurn too reed!!!!!!!!!! :lol:
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