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07-16-2010, 11:05 AM
| | Registered User | | Join Date: Feb 2000 Location: Newport News, Virginia | | | Aguilar OBP-1
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Can it be wired as a standard J bass set up - vol/vol/tone - using a single center detent tone pot instead of a stacked bass/treble tone pot
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07-16-2010, 11:16 AM
| | | | Can you explain more? |
07-16-2010, 11:19 AM
| | Registered User | | Join Date: Apr 2010 Location: NJ | | | Yes |
07-16-2010, 11:37 AM
| | | | The OBP-1 is boost only, so I'm not sure what the OP means by "center detent". |
07-16-2010, 11:53 AM
| | Registered User | | Join Date: Apr 2010 Location: NJ | | | Oh see I read it wrong and also didn't know it was boost only. I was gonna say just tape off the ends of the bass and treble wire together. But not sure that's what he wants |
07-16-2010, 12:00 PM
|  | Registered User | | Join Date: Mar 2007 Location: Denver, CO | | | Wouldn't wiring it up vol/vol/tone defeat the purpose of having an active preamp? I agree with cybersnyder, I think we might need a little more info to help out.
Subscribed out of curiosity.
5sg.
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07-16-2010, 12:56 PM
| | | | IMO, the best way to wire up the OBP-1 is VVT (or VBT) and stacked B/T. I used the EMG stacked pot for that is it's the required 25k. Put a push/pull bypass on the volume knob and you're set. |
07-16-2010, 01:09 PM
|  | Supporting Member | | Join Date: Jun 2008 Location: Close to Los Angeles, CA | | Quote:
Originally Posted by fivestringgecko  Wouldn't wiring it up vol/vol/tone defeat the purpose of having an active preamp? I agree with cybersnyder, I think we might need a little more info to help out.
Subscribed out of curiosity.
5sg. | Yes and no.
The purpose of having a preamp is to lower the output impedance.
However, if you don't want EQ, why not just use a buffer circuit? |
07-16-2010, 03:38 PM
| | Registered User | | Join Date: Feb 2000 Location: Newport News, Virginia | | | I had read that the OBP-1 is a boost only. I've got a Raven Labs PBR-1 on my P bass which I believe is boost only. It's a single pot with center detent - treble boost clockwise. bass boost counterclockwise.
I do want EQe control. I was just hoping to keep the appearance as stock as possible. Can I find plastic J style knobs for the stacked pot if I have to go that way?
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07-16-2010, 03:46 PM
| | Supporting Member | | Join Date: Jun 2008 Location: Close to Los Angeles, CA | | Quote:
Originally Posted by Ampig I had read that the OBP-1 is a boost only. I've got a Raven Labs PBR-1 on my P bass which I believe is boost only. It's a single pot with center detent - treble boost clockwise. bass boost counterclockwise.
I do want EQe control. I was just hoping to keep the appearance as stock as possible. Can I find plastic J style knobs for the stacked pot if I have to go that way? | Yes, it's a boost only preamp.
There should be no detent on the pots.
They are 25K audio taper pots. (And yes, I said audio taper, not linear. That's what Aguilar told me.) |
07-16-2010, 05:27 PM
| | | | This should be possible with the right pot. Now, whether the right pot exists... |
07-16-2010, 06:08 PM
| | Registered User | | Join Date: Feb 2000 Location: Newport News, Virginia | | | Why would they use audio taper?
Don't they offer an option of the OBP-1 preamp only with no pots?
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07-16-2010, 07:41 PM
| | Supporting Member | | Join Date: Jun 2008 Location: Close to Los Angeles, CA | | Quote:
Originally Posted by Ampig Why would they use audio taper?
Don't they offer an option of the OBP-1 preamp only with no pots? | Probably because it's difficult to find 25K pots without center detents in a linear taper.
With the audio taper, you can just pick any 'ol 25K "volume" pot for your bass and treble controls.
Yes, you can buy the OBP-1 preamp alone. | | Thread Tools | Search this Thread | | | | 
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