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Lead III 111L PU [message #28271] Mon, 19 July 2021 10:12 Go to next message
swiftkipp is currently offline  swiftkipp
Messages: 4
Registered: July 2021
Junior Member
I have recently picked up a Lead III
Model 111L PU
Serial K 214663

Ive never seen the PU in anyone's post. Does anyone know anything about it? Year of production, what PU means, where I can find replacement pots for it...


Thanks!
Re: Lead III 111L PU [message #28272 is a reply to message #28271] Mon, 19 July 2021 13:09 Go to previous messageGo to next message
pleat is currently offline  pleat
Messages: 1424
Registered: June 2004
Location: Belding, Mi
Senior Member
the 111L is the big K series and the PU is for power unit. 130 watts. Sometime around Late 78 would be my best guess. No idea where replacement pots can be found, but I'm sure one of the techs on this site may be able to help.
Re: Lead III 111L PU [message #28273 is a reply to message #28271] Mon, 19 July 2021 16:55 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4442
Registered: June 2004
Location: NY
Senior Member
I can not find your serial number in my chart, but I also can not find a schematic to help you out with your pot question .

Since you have to unsolder the pots to replace them we can then find out there value and at that same time since the pots have production dates on them find out when your amp was born.

Note that the two big can type power rail filters will have dates on them also !
Re: Lead III 111L PU [message #28274 is a reply to message #28273] Mon, 19 July 2021 16:58 Go to previous messageGo to next message
swiftkipp is currently offline  swiftkipp
Messages: 4
Registered: July 2021
Junior Member
Thank you very much! I will repost when I take the pots out.

Does anyone know what would be a good 4 ohm cabinet to run through?
Re: Lead III 111L PU [message #28275 is a reply to message #28271] Tue, 20 July 2021 06:19 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4442
Registered: June 2004
Location: NY
Senior Member
I found that your schematic can be perchased at Musicparts.

In terms of a 4 ohm cab to run the amp thru are you asking about just Kustom cabinets, or just in general?
Any cabinet with two 8 ohm speakers wire in parallel that is rated for 100 watts rms would be fine.
Re: Lead III 111L PU [message #28276 is a reply to message #28275] Tue, 20 July 2021 13:28 Go to previous messageGo to next message
swiftkipp is currently offline  swiftkipp
Messages: 4
Registered: July 2021
Junior Member
Just in general. I know it's a 4 ohm amp, I was looking for 4 ohm cabs but they're not as popular it seems.

Isn't it good to have more speaker wattage though?

I really appreciate your input and response.

Thank you
Re: Lead III 111L PU [message #28277 is a reply to message #28271] Tue, 20 July 2021 16:22 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4442
Registered: June 2004
Location: NY
Senior Member
Are you looking for new cabinets?
If so companies like Mojotone offer a bunch of different cabinets and can load them with many different speakers to get you a 4 ohm load.
Re: Lead III 111L PU [message #28278 is a reply to message #28277] Tue, 20 July 2021 16:33 Go to previous message
swiftkipp is currently offline  swiftkipp
Messages: 4
Registered: July 2021
Junior Member
Nah, nothing too new or fancy. I'm finding some on a few websites now.


Thank you!
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