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NBD: Hofner HCT Club, Cavern pickups

OK, first off, it's not really a NBD because Hofner never made a bass in this configuration. Along with a lot of other people, I was hoping to find a Club Bass in the Contemporary (mid price) series with a center pickup instead of the nearly useless bridge pickup. I didn't have the $4000 for a German built Custom Shop Limited Edition, of which there were only ever 48 a year built and even those were discontinued. And anyway, I prefer the longer sustain of the HCT with a center block over the deader "thud" of a full hollow body.

So I converted my standard HCT club to a Cavern. It was actually simple and took just over an hour to move the pickup. I swapped the taller pickup ring to the neck position and used the low one for the center pickup. The biggest problem was what to do with the 3 leftover holes. I suppose I could have bought a third pickup but it would have been purely cosmetic. Instead I put a piece of polished stainless over the empty holes, which does the job without looking too much out of place.

I also simplified the non-logical switch wiring by reversing the switches. Now the "Bass on" switch turns on the neck pickup instead of turning off the bridge, and the "Treble on" switch turns on the bridge pickup instead of turning off the neck. With both switches up, both pickups are on. Intuitive. The blend is still controlled by the volume pots and "Bass on" also engages a treble cut capacitor like it did before.

I am more than satisfied by the improvement in tone options. In stock configuration it really had only one good tone, and if all I ever played was Beatles it would have been OK. But I stared at that useless quacky bridge pickup every day, knowing that so much more was possible if only it weren't jammed down against the bridge. Now I get singing highs and low-mid growl that were totally unavailable before. I can still revert to classic thumpy 60's tone by dropping out the bridge pickup.

Anybody have a clue why they don't sell this configuration as stock? It's been a long time since the 1950's and I think this would be more popular today.

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Nice conversion.

For several years I've been considering a similar conversion for my Hofner Ignition Club bass and Violin bass but it would leave a large holes that could be covered but I think if I do mod it I'll just add a middle pickup to each bass. In the meantime I'll just leave the bridge pickup off.
 
@bikemusic

That’s so hot.
What did it take to install the middle pickup? Just three holes?
Thanks in advance!

That's right. Two little screw holes to hold down the bezel, and one angled hole in the middle for the wire. Angled so that it came out the side of the center block that all CT basses have. The block is maybe 4" wide and extends all the way down the middle.
I covered the original 3 holes near the bridge with a little strip of polished stainless.
 
That's right. Two little screw holes to hold down the bezel, and one angled hole in the middle for the wire. Angled so that it came out the side of the center block that all CT basses have. The block is maybe 4" wide and extends all the way down the middle.
I covered the original 3 holes near the bridge with a little strip of polished stainless.
Awesome.
Do you happen to have any pics of the holes before you put in the pickup?
Did you measure anything as far as where to put the middle pickup?
 
Awesome.
Do you happen to have any pics of the holes before you put in the pickup?
Did you measure anything as far as where to put the middle pickup?

I would have to take the strings off to remove the pickup and get a picture. Here are the original holes that the bridge pickup had from the factory. I just eyeballed the location from photos of Cavern basses.
PXL_20230114_210555622.jpg
 
I got the bass, case, Hofner strap, teacups, and Pyramid flats this week. I’m waiting on the Cavern surround to relocate the pickup. I may go three pickup sometime down the road, I don’t know. Maybe I’ll buy a shell of a pickup and use it with one of the extra surrounds in the bridge space. Thanks for the inspiration!
 

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I want to do this. How much space do you have in-between your middle pickup and strings? Experimenting with this on a CT Verythin and it's VERY close (with the pu slammed all the way down). It sounds great in that position, but I've got to keep the action kind of high and it's still too strong. Might need to switch over to a CT Club.
 
I want to do this. How much space do you have in-between your middle pickup and strings? Experimenting with this on a CT Verythin and it's VERY close (with the pu slammed all the way down). It sounds great in that position, but I've got to keep the action kind of high and it's still too strong. Might need to switch over to a CT Club.
Sorry, I sold the bass. It was great, though. I encourage you to try it.