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The Reverend Club (part 4)

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#262
Has anybody here ever tried to shield one of their Revs? Mine sounds great but has a nasty hum. I think it's a ground because when I touch the strings, it mostly goes away. I gotta get it quiet for when my band goes in the studio again. Any suggestions?
 
#263
#265
Pull the pickguard and pickups
mask off the top so's you don't paint your top
trim out the holes with a razorknife
put this stuff on, one coat at a time, three coats total, dry for a full day each
you can copper tape the back of the p/g as well, stew mac carries that as well.

**make sure pots, bare wires, etc don't touch the paint**
it's conductive, and metal parts touching it will gorund out the whole circuit causing massive signal loss.

first bass i did this to was a noisy p/j
tone pot hit the cavity wall on re-install, killing all signal
took me a while to figger out...
 
#266
Chef said:
Pull the pickguard and pickups
mask off the top so's you don't paint your top
trim out the holes with a razorknife
put this stuff on, one coat at a time, three coats total, dry for a full day each
you can copper tape the back of the p/g as well, stew mac carries that as well.

**make sure pots, wires, etc don't touch the paint**
it's conductive, and metal parts touching it will gorund out the whole circuit causing massive signal loss.

first bass i did this to was a noisy p/j
tone pot hit the cavity wall on re-install, killing all signal
took me a while to figger out...
Click to expand...


You're the man Chef! Thanks! :hyper:
 
#267
addendum...

you really only hear the buzz when not playing.
you can always just keep one hand on a string, and let the engineeers edit out noise in the dead spots, if there are any that really matter.

the un-grounded buzz won't be there while you're playing-so, you can choose to ignore this...it's what i'd do, i think...maybe
 
#268
Chef said:
addendum...

you really only hear the buzz when not playing.
you can always just keep one hand on a string, and let the engineeers edit out noise in the dead spots, if there are any that really matter.

the un-grounded buzz won't be there while you're playing-so, you can choose to ignore this...it's what i'd do, i think...maybe
Click to expand...

Yea. I did that on our last recording. I would just like to fix or improve the hum if I can.
 
#270
If the buzz goes away when you touch your strings, the bridge is definitely connecting to ground. To get rid of it, you'd need to shield the electronics cavity/back of the pickguard. There's an excellent tutorial in the pickups and electronics forum here. It's based on a jazz bass, but should be very similar for a reverend.

NOTE: The noise from the single coil jazz pickups will not ever go away. This is inherent in the design of using one single coil jazz pickup. The only way around this is with another, reverse wound, reverse polarity jazz pickup at the same volume level. This means the 5Ls and XLs will be quiet on everything but the single neck pickup setting, but PJs are SOL. Any time that pickup is on, you'll be susceptible to 60 cycle hum.
 
#271
Dan1099 said:
If the buzz goes away when you touch your strings, the bridge is definitely connecting to ground. To get rid of it, you'd need to shield the electronics cavity/back of the pickguard. There's an excellent tutorial in the pickups and electronics forum here. It's based on a jazz bass, but should be very similar for a reverend.

NOTE: The noise from the single coil jazz pickups will not ever go away. This is inherent in the design of using one single coil jazz pickup. The only way around this is with another, reverse wound, reverse polarity jazz pickup at the same volume level. This means the 5Ls and XLs will be quiet on everything but the single neck pickup setting, but PJs are SOL. Any time that pickup is on, you'll be susceptible to 60 cycle hum.
Click to expand...

Cool. I don't expect to get rid of all the hum, but I want to at least improve that ground hum. It gets damn loud at times!
 
#274
Well, I got a friend for my Fish. Thanks again, Gard! :hyper:

Here's the proof:

Canon051.jpg


They both have a small amount of damage to the tops, but I'm not bothered by either. These are gigging basses, and likely to incur a few more battle wounds during their lifetime:

Canon053.jpg


Canon054.jpg


Canon055.jpg


Man, that pickup placement really does make these two basses sound very different! I'll have to hear the 5L in a mix to be sure, but I might consider getting another pickguard and making it a P/J. Does anyone know if you can relocate a pickup on a Fish without much additional routing?

Tom.
 
#279
Chef said:
easily done with the mini switch, or a "pull for series" volume knob...
Click to expand...

Well, obviously, I would have to modify the pickguard to support three knobs, instead of two plus the switch. But I had also heard that it is not so simple to have vol/vol and the ability to swap between series and parallel combinations of the pickups. Have you done this? Since in series, it treats the two like one big pickup, I thought that this made vol/vol problemmatic?

Tom.
 
#280
Nosir, I've not done this yet, but:
vol/blend/tone
pull vol for series

no need to mod the pickguard...pull the mini switch, put a pot there.
Worst case is you make the hole a lil bigger, mount the mini switch back with a bigger washer if you go back.
Or, buy another p/g from pickguardian...

Since I have several 5L's, I've been contemplating moving one of them to v/v/t...
 
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