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Author Topic: 500K Volume Pot  (Read 8125 times)
Joeykun
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« on: June 24, 2010, 10:38:25 AM »

I hear the 500K Volume Pot is standard now in NYCs. Is this also the case for Metros?
Especially would like to know if the new MV4-WL (Will Lee Metro) have this option.
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58super
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« Reply #1 on: July 04, 2010, 10:35:07 AM »

My new metro mv4 has a 500K volume pot.
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Funnybass
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« Reply #2 on: July 05, 2010, 04:59:25 PM »

What is the advantage to change the pot for a 500K?
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Joeykun
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« Reply #3 on: July 06, 2010, 11:06:23 AM »

What is the advantage to change the pot for a 500K?

My understanding is that the tone of the Single Coil pickups is the overall goal here.
After many shop tests everyone agreed the 500K pot moved the Hum Cancelling pickups in this direction.
The 500K pot is now standard in all NYC and Metros instruments.

I was not sure if this was true with the Metros but according to 58super it looks like they are!
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Fran Diaz
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« Reply #4 on: July 07, 2010, 03:49:29 AM »

And what about basses that already have single coils? What can we expect from the 500K pot?

...and on P or PJ basses? would it be worth the swap?
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gillento
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« Reply #5 on: July 07, 2010, 03:21:06 PM »

And what about basses that already have single coils? What can we expect from the 500K pot?

...and on P or PJ basses? would it be worth the swap?


Exactly my thoughts, as well.
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Vic
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« Reply #6 on: July 13, 2010, 09:52:54 AM »

I've done the swap and have A/B'd basses with both pots.  While I agree the 500K change is an improvement, I don't believe it's a big enough deal to recommend everyone with the older 250K pots rush out and pay a tech to swap out for the 500K.  Roger may step in on this one, but IMHO there are two important differences between the HC and the SC pickups.  One is a little more going on in the "low treble" (or high midrange to some people).  The other is more of a low-mid or mid-mid focus and punch.  IMHO, the 500K pot changes makes the high end profile of the HC to be a bit more like the SC, but does nothing to change the stuff going on a bit lower.

So the bottom line is, it's a nice improvement to the high end profile, but I'd never tell anyone that it gets them very close to the same sound as swapping HC pickups for SC.  Don't get me wrong, I love the HC pickups, but if you really want that great SC sound, there's only one way to get it.
« Last Edit: July 13, 2010, 10:09:56 AM by Vic » Logged

Vic
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Vic
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« Reply #7 on: July 13, 2010, 10:11:39 AM »

And what about basses that already have single coils? What can we expect from the 500K pot?

...and on P or PJ basses? would it be worth the swap?

IMHO, it's still an improvement.  I'm pretty sure that's why Roger made the 500K pot standard on all models regardless of pickup type (including the PJ).  I'm not sure about the soapbar models, but I would guess the 500K pot change is literally all models from now on.
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Vic
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« Reply #8 on: July 13, 2010, 12:56:16 PM »

I agree with everything Vic said!  Smiley

The issue for us regarding using 500K with single coils was did it have any negative effect?  It was easier to use the 500K for everything so we needed to be sure it worked fine with single coils and soapbars.  We are using the 500K for everything now but I do not see the need for folks who have single coils or soapbars to run out and switch.

Roger
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jerry
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« Reply #9 on: July 23, 2010, 12:05:33 PM »

Considering the mod for my Metro RV5 as well, but now I'm curious if it came stock.  Is there a s/n cutoff, or I suppose the more applicable/selfish question:  would a Sadowsky wiz be able to confirm/deny whether M4146 has the 500k pot?  I'm not concerned about the minimal cost of the part, but rather the effort involved in drilling the hole to accommodate it.  Thanks in advance.
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Jerry
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« Reply #10 on: July 26, 2010, 11:21:55 AM »

Considering the mod for my Metro RV5 as well, but now I'm curious if it came stock.  Is there a s/n cutoff, or I suppose the more applicable/selfish question:  would a Sadowsky wiz be able to confirm/deny whether M4146 has the 500k pot?  I'm not concerned about the minimal cost of the part, but rather the effort involved in drilling the hole to accommodate it.  Thanks in advance.

The pot value may be stamped on the back of the pot. It's easy enough to take off the cover plate and check. You can also test it with a DMM if you have one around.

Lastly, why would you have to drill anything? Is it not as simple as "de-soldering" (if that is a word) the 250K and installing the 500K in its place? other than resistance value, the pots should be identical, no?
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58super
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« Reply #11 on: July 26, 2010, 12:44:41 PM »

Considering the mod for my Metro RV5 as well, but now I'm curious if it came stock.  Is there a s/n cutoff, or I suppose the more applicable/selfish question:  would a Sadowsky wiz be able to confirm/deny whether M4146 has the 500k pot?  I'm not concerned about the minimal cost of the part, but rather the effort involved in drilling the hole to accommodate it.  Thanks in advance.

The pot value may be stamped on the back of the pot. It's easy enough to take off the cover plate and check. You can also test it with a DMM if you have one around.

Lastly, why would you have to drill anything? Is it not as simple as "de-soldering" (if that is a word) the 250K and installing the 500K in its place? other than resistance value, the pots should be identical, no?


The 500K pot in my Metro is a mini pot. There's no drilling if replacing with a 250K mini pot but a full size pot's bushing won't fit through the hole.
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jerry
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« Reply #12 on: July 27, 2010, 11:58:58 AM »

Lastly, why would you have to drill anything? Is it not as simple as "de-soldering" (if that is a word) the 250K and installing the 500K in its place? other than resistance value, the pots should be identical, no?

Our custom made 500K CTS volume pot. Smooth taper, smooth feel. Solid 6mm shaft. Includes brass sleeve for 1/4" knobs.
Note: Metro Line basses will need the volume pot hole enlarged to 3/8".

Thanks for the advice on pulling the control plate to check for a stamp...I'll take a peek.  Of course, all of this is moot if the SC pickups are never in stock.   Grin
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Jerry
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Legion
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« Reply #13 on: August 19, 2010, 10:28:37 AM »

I've done the swap and have A/B'd basses with both pots.  While I agree the 500K change is an improvement, I don't believe it's a big enough deal to recommend everyone with the older 250K pots rush out and pay a tech to swap out for the 500K.  Roger may step in on this one, but IMHO there are two important differences between the HC and the SC pickups.  One is a little more going on in the "low treble" (or high midrange to some people).  The other is more of a low-mid or mid-mid focus and punch.  IMHO, the 500K pot changes makes the high end profile of the HC to be a bit more like the SC, but does nothing to change the stuff going on a bit lower.

So the bottom line is, it's a nice improvement to the high end profile, but I'd never tell anyone that it gets them very close to the same sound as swapping HC pickups for SC.  Don't get me wrong, I love the HC pickups, but if you really want that great SC sound, there's only one way to get it.
I've just recently removed the 250k pot from my 2004 NYC UV PJ4 and installed the 500k - all I can say is it still sounds great! the differences seem to be subtle enough that you would need to compare side by side to detect the differences. I guess I would have to have made good quality sound clips to compare before and after to stand any chance of hearing the changes it may have made. I'm still happy to have "updated" it though, so no harm done:)
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