L-2000 Controls

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L-2000 Controls

Postby kingman » Tue Mar 30, 2010 12:12 am

Have what believe to be is an original G&L L-2000 with the 3 switch controls. Problem is the active/passive PCB is missing as well as most of the necesary wiring. The active/passive switch has 2 cut wires; looks like they were a yellow and a white. There's also a black wire currently connected to the "bass" knob. Believe the "missing hardware" is helping to pick up the noise coming out the amp, that and the lack of shielding. Figured I'd try to put these parts back on it and add some shielding to both restore the functionality as well as cleanup the noise.

Went to this site and downloaded the L2000 diagrams. Was hoping someone/somewhere had versions of these boards pre-made; am talking about the "ASATbass/L-2000/L-2500 (old version)" diagram from this website. : http://www.glguitars.com/schematics/index.htm

One other thing: the control plate has an additional hole located just below the active/passive swtich. Anyone have any idea what is supposed to go there?

Thanks
kingman
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Re: L-2000 Controls

Postby spideyjg » Tue Mar 30, 2010 6:36 am

Ken ordered a replacement preamp a few years ago and it had the pre, pots, and switches included.

That would be the best bet to order one from Guitarman, PM Flash who runs the place.

Got pictures? [smilie=coz.gif]

Jim
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Re: L-2000 Controls

Postby felig » Tue Mar 30, 2010 6:57 am

The only hole below the active/passive switch on the old control plate is for the output jack--at least as far as I know.
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Re: L-2000 Controls

Postby felig » Tue Mar 30, 2010 7:00 am

I'm not being sarcastic with you, BTW--I've had a number of old basses where someone has moved the jack from the top in order to side-mount it. The top loaded L-2000 has a side-mounted jack, so I thought it was possible that the guy who rewired yours also moved the jack to the side.
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Re: L-2000 Controls

Postby kingman » Tue Mar 30, 2010 9:46 am

As I'm a newbie, don't know what the rules are for attaching .jpgs: allowed, not allowed, post to personal website, or ? Once I learn the rules, I'll make pics available.

Called Guitarman and they don't have the parts anymore. Fired off an email to G&L, so will see where that goes. Any other suggestions as to additional sources? (thanks spideyjg!)

Re. the conrol plate: The output jack is mounted on the control plate. The hole I was referring to was an additional one with nothing in it. Beginning to wonder what I've got now as it doesn't appear there ever was a side mount jack in this body (no patching or indications of an appropriate opening anywhere on the body). Also, looks like someone may have hacked up the control cavity. (thanks felig!)
kingman
 

Re: L-2000 Controls

Postby spideyjg » Tue Mar 30, 2010 9:58 am

kingman wrote:As I'm a newbie, don't know what the rules are for attaching .jpgs: allowed, not allowed, post to personal website, or ? Once I learn the rules, I'll make pics available.


Put them on photobucket and post away with them.

Jim
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Re: L-2000 Controls

Postby felig » Wed Mar 31, 2010 7:34 am

If your L-2000 has a control plate, then it would not have had a side-mounted jack--sorry, I didn't mean to cause any confusion. It sounds like the extra hole is the result of some previous owners handicraft rather than something done at the factory.

Yes, Photobucket is great for putting photos with your posts.
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Re: L-2000 Controls

Postby kingman » Thu Apr 01, 2010 11:00 pm

Done some investigative work on my L-2000, and here's what I've come up with so far:

1. based on the date written in the neck cavity and stamped on the neck, believe the bass was built either Jan or Jun 1980
2. the following information is written in pencil in the neck cavity:
- XP.1-13-80
- Test Body KeiF (?)
3. the following information is stamped on the neck tail:
- the number 3
- Jan (or Jun) 18, 1980
4. written in pencil on the neck tail is L-1000
5. no other information is contained on the body or neck other than the G&L label on the head stock
6. the "mysterious hole" in the control plate appears to have contained another switch of some kind

Contacted G&L with this info, but no "old timers around" to concur, dispute, or provide anything additional. Also, they don't have the "old-style" active/passive electronics only the new style which is $150. I'd rather restore this bass back to original, but have been unlucky so far in tracking down the right parts. So again I ask anyone out there who may have a lead to getting the right active/passive components.

Have posted the following pictures on photobucket under kingman_666:

control plate front
control plate rear
control cavity
neck cavity
neck tail
body
neck
2 Ad pictures

NOTE: In Ad "A", the pickups are located closer to the neck and the control plate has a smooth inside curve. In Ad "B", the pickups are closer to the bridge, and the control plate has two "protrusions" on the inside curve. Based on this info, my bass matches the "A" picture so the control plate is probably the correct type.
kingman
 

Re: L-2000 Controls

Postby spideyjg » Thu Apr 01, 2010 11:07 pm

Put a link to your pictures. If your 2K looks like the one with the pickup closest to the neck you have the white elephant.

There was a Passive L2K but no example has surfaced. You are describing one. Post the pics!

Nobody has any clue what the controls were on those. We have speculated but nothing definitive.

Shoot the body! OMG I think it is!

http://s750.photobucket.com/home/kingman_666

Image

Image

Backwards eyegouger! Dual trees!
Image

Jim
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Re: L-2000 Controls

Postby kingman » Thu Apr 01, 2010 11:54 pm

So you can't see the pics? I thought my account at photobucket enabled anybody to view, that's why I included the account name. If that's not the case, let me know what I need to do to make them available.

As to what I've got, believe it's something that was hacked on at the factory for various projects (possibly), and ended up in someone's hands. I bought it from a fellow in Tustin (?) about 20 years ago.

Based on what I've put together, it should have had an active/passive component, but then again if it's a hack job who knows what's right/wrong. I'd still like to restore it to an active/passive system because that's what it would have had had it been a production unit.
kingman
 

Re: L-2000 Controls

Postby spideyjg » Fri Apr 02, 2010 6:31 am

I had to locate your account and found the pics and posted them.

You have the core of a passive L-2000 which lived such a short life the only proof it was ever made, short of 2 folks having seen one, is the pic in the flyer until you posted this.

Check with Kebo on what this thing may be worth since it could be a legit prototype.

Wait until Greg sees this.

Been following G&L's for years and never seen a passive L2k until now.

Jim
Silverbass wrote:gawd damn the pusher man
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Re: L-2000 Controls

Postby harleyyy » Fri Apr 02, 2010 7:12 am

WOW. I would definitely get that serial to Mr. Dale Hyatt for more info, if he is still rendering his services. [smilie=grinning-smiley-003.gif]
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Re: L-2000 Controls

Postby kingman » Fri Apr 02, 2010 7:24 am

I'll follow whatever trail(s) it takes to restore this bass. Please tell me who "Kebo" and Mr. Dale Hyatt are, and how to contact them.

Thanks again for all your help.
kingman
 

Re: L-2000 Controls

Postby kingman » Fri Apr 02, 2010 12:30 pm

Believe Kebo refers to "Kebos Bass Works" in New Jersey. If that's the case, I've contacted them and am awaiting a reply.

Found out who Dale Hyatt is, he was one of the 3 original G&L folks. Now just need a way to contact him. Still searching . . .
kingman
 

Re: L-2000 Controls

Postby harleyyy » Fri Apr 02, 2010 12:35 pm

kingman wrote:Believe Kebo refers to "Kebos Bass Works" in New Jersey. If that's the case, I've contacted them and am awaiting a reply.

Found out who Dale Hyatt is, he was one of the 3 original G&L folks. Now just need a way to contact him. Still searching . . .



You have a PM [smilie=grinning-smiley-003.gif]
"I try to keep 'Thou shalt not kill.' The rest of them I'm kind of shaky on." Willie Nelson
"Forget The Drama, Shut Up And Play." ME

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