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Glockenklang preamp in Fender Deluxe Precision

peterchui23

peterchui23

Oct 11, 2008
53
0
#1
I have a Fender American Deluxe Precision that the preamp is not in good condition (i.e. contact issue & the volume pot has been out of order). I plan to change the entire set of preamp. I found that Glockenlang preamp is active/passive switchable & just thinking of maybe this is a good idea to change to Glockenklang. So, I could have both passive & active sound from my Precision.

However, I like the original sound from my Fender Deluxe & just concern that the Glockenklang would change the sound drastically.

Any advices & comments would be appreciated....
 
#4
I know the treble pot works as a tone pot when in passive mode, but I don't remember if it's standard on all models or just particular ones... No boost however, just cut, since it's passive. The bass (and mid, if you're looking at a 3 band) do not work in passive mode.
 
#5
peterchui23 said:
Thanks for your advice bgartist !! That is really helpful...I saw post here said boosts (or cuts) are not functioning when in passive mode. Is that real ?
Click to expand...

Yes. The Glock tone control is not like the VTC that Sadowsky or Nordstrand uses. The treble pot is the tone control so it is not in affect in active mode. If you use the 3 band with the stacked treble/bass, you will not have the passive tone control. You will need the 5 pot model.
 
#6
Thanks Sandu & bgartist for the input !!!
Please correct me if I am wrong... if I use the 3 band eq (that is stacked treble/bass exactly like the preamp of the Fender Deluxe), I will not have the passive tone control.

5 pots model will not fit the Fender Deluxe original pot positions unless I make modification on it.

So, if I go back to the 2 band eq, the treble pot will work as a tone pot in passive mode.

It seems it'd better for me to use the glock 2 band eq....
 
#8
peterchui23 said:
Thanks Sandu & bgartist for the input !!!
Please correct me if I am wrong... if I use the 3 band eq (that is stacked treble/bass exactly like the preamp of the Fender Deluxe), I will not have the passive tone control.

5 pots model will not fit the Fender Deluxe original pot positions unless I make modification on it.

So, if I go back to the 2 band eq, the treble pot will work as a tone pot in passive mode.

It seems it'd better for me to use the glock 2 band eq....
Click to expand...

That is correct. No tone control with the 3 band stacked. The 2 band with separate treble and bass has the tone control. That's the one I have and it sounds awesome.
 
#14
I just picked up a four string American Deluxe Precision in a trade deal. The preamp was OK. I thought it was very useable as is. However, the 2 band Glock Pre is amazing in this bass. It sounds great passive (the treble control works just like you'd expect a passive tone control to work) and the active EQ points are really nice. I would never have guessed it but they seem to hit in places that my amp can't, and the sound isn't overhyped in any setting. It really doesn't need a mid control as the blend knob kind of acts that way already. It has gone from an OK active bass to a really amazing hybrid. Sorry for all the gushing adjectives, but as a passive Pbass guy, I am really excited about this mod.
 
#15
(sorry for my english)

I think I will do the same thing on my 96 American Deluxe P Bass; I don't really like the stock preamp, it's not beefier, rounder as I want. The highs are too crips and thin I found.
Mediums are not so "low", too bright and middy, and lows not so present.

In fact, I think this bass can sound very good with a passive tone control.
Can you describe me the tone with the Glock preamp compared to the stock preamp? Does it sounds more natural? less hifi?

The frequency range of the Glock is 18KHz for the highs, compared to 8KHz for the Fender stock preamp...
Does it means that the Glock will have highs more thin and crisp, more hifi? I'm searching the solution to have a warmer, punchier and less harsh sound...
 
#16
I think the stock preamp had a more "modern" sound. It was great for slap style playng. The Glock was a more natural sounding preamp. The EQ's seemed to roll in more smoothly. I liked the Treble control on that preamp a lot. In passive mode it worked like a passive tone. In active mode it could cut the hiss or add a little presence.

There is a Youtube review that Ed Friedland did for the Human Bass Roxy model that demonstrates the preamp pretty well.
 
#19
The glock is a nice pre, but If you're concerned with keeping your passive sound, you may want to look into the "P-Retro" from East. The active Eq is slightly different than just your typical bass/mid/treble boost and cut though, when not active, signal flows from the volume and passive tone and not through the rest of the circuit. Comes on 2 stacked knobs.
 
#20
Just put a glock 3 band in my 55-01, I love it, so much better than stock pre, pickups might be in the future, but ok for now. It is super transparent, In my exp nothing is even close to it, so make sure your instrument sound good unplugged, cause that is what it will sound like plugged in. The controls are subtle, and super quiet to boot.
 

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