Got an easy question for you tech guys

[Tom NW MI]

I recently purchased a set of Jolly Rogers headphones. I like the tone on a couple of my machines but I do not like the pot used for the volume control. Turned up fully its too loud and turned down one click it's a little too soft. A couple of my machines have no volume control on them so it is a problem for me.

I was told it's a 5K pot, Would one of you guys please email me info on upgrading it with something to make the volume control more linear?

Thanks in advance
Tom

[Beachcomber]

Re: Got an easy question for you tech guys

It's possible that they used an audio taper control on the headphones. If so all you need to do is replace the control with a linear taper control. I would give DetectorPro a call and ask them if that is what they did. If so it should be a fairly easy fix.

HH

Beachcomber

[Carl]

Re: Got an easy question for you tech guys

It's also possible that they used a linear pot, where they should have used audio taper pot. Audio taper are usually used for audio control, because sound level sensitivity is non-linear.

- Carl

[Beachcomber]

Re: Got an easy question for you tech guys

True but the problem he is having is too much change in audio level per one click of rotation of the control at the high end of the control. If memory serves audio taper controls use a logarythmic(probably wrong spelling)progression. They have a larger resistance change per degree of rotation at the high volume end than they have at the low volume end. Since his problem is at the high end my thinking was that a linear taper control would have a more gradual change and spread out the change in audio at the high end. Still it's all speculation without knowing which type of control is being used in the headphones to begin with

HH

Beachcomber

[Tom NW MI]

The markings on the pot are

a T followed by a O with what looks like a wide S inside and then 15A5K0321Q.

Beachcomber is correct, right where I need some adjustability the sound drops off dramatically with just a slight turn.

Thanks again

Tom

[Tom NW MI]

Also correct in that

it takes large turns at the low end to make an audible difference.

[Carl]

Re: The markings on the pot are

Certainly looks like audio taper... maybe they got it hooked up backwards. It does make a difference.

- Carl

[Goodrat]

Speaking of pots...

I'm building a pair of phones and having trouble finding a multi-indent type 10K.