Gibson Les Paul Personal

Low impedance Les Paul guitar

Gibson Les Paul Personal
Model: Les Paul Personal
Pickups: Two low impedance humbuckers
Scale: 24 3/4"
Body: British Honduras mahogany. 7-ply binding front, 5-ply binding back. 18 1/4" long, 14" wide, 2" thick.
Neck: 3-ply British Honduras mahogany. Rosewood fretboard, 22 frets
Hardware: Gold plated. Schaller machine heads, optional Bigsby tremolo.
1970 Gibson Les Paul catalogue

From the 1970 Gibson Les Paul catalogue

Gibson engineers and "Mr Guitar" Les Paul spent endless hours of research and experimentation in producing this exceptional instrument. A revolutionary new design with low impedance pickups. The Les Paul Personal is truly a giant step forward in musical electronics and tone reproduction

Les Paul was a superb guitarist, engineer and inventor - and despite being given dozens of guitars by Gibson, he rarely left them alone, modifying the controls, experimenting with new pickup designs and generally attempting to improve their useability. As a guitarist and vocalist he usually built a microphone into the guitar, allowing him to perfom without a mic' stand. In many ways the Les Paul Personal was the culmination of the mans experiments throughout the 1960s.

The Les Paul Personal was closely related to the Les Paul Professional guitar and Les Paul bass. It was first listed in the September 1969 Gibson price list, along with the above models; all low-impedance instruments in a dark walnut finish. The Les Paul Personal was the top of the range; $645, even more than the Les Paul Custom, at $575.

It only appeared in one Gibson catalogue, the 1970 Les Paul brochure (see right) before production fizzled out into the early 1970s.

The main differences between the Les Paul Personal and the Les Paul Professional was the addition of the vocal microphone (with it's own volume control) that extended from the top of the guitar. It was also more ornate, with the Gibson split diamond headstock inlays, an ebony fretboard and gold-plated hardware throughout. The guitars themselves were electronically identical.

Les Paul a great guitarist, but it was his inventive engineering skills that lead to the experimental circuitry that was the core of the low impedance Les Paul range. Electronically this was a very clever instrument, providing far greater degree of control to the tone produced by the instrument than on any other guitar at the time.

1969 Les Paul Personal / Professional owners manual

There is a detailed explanation of all the controls in the 1969 Les Paul Personal / Professional owners manual. Attention must be paid to these as the controls do not necessarily act as might be expected - especially with regard the tone switch.

Intuitively, one would think that a tone switch would 'change' the tone produced. But what it actually does is to bypass sections of the controls, including pickup selector. This is rather clever, allowing a musician to switch from a wide open sound using both pickups, to a lead sound maybe just using the bridge, with the treble setting all the way up and the bass backed off a little - using just one switch. The table below shows which controls are active (checked) and which are bypassed for each tone position.

1 2 3
treble
bass
decade
pickup selector both
phase switch

Les Paul had hundreds of guitars and dozens of them were modified with experimental pickups and circuitry. The guitar below is a late 1950s Les Paul Custom, with low impedance pickups and substantially similar controls, including microphone jack on the top edge. He produced numerous variations of this guitar, but as can be seen, they are not at all far from the final design chosen by Gibson in 1969.

Gibson Les Paul Personal

The guitar pictured below was a prototype for the new low impedance guitar models, most likely from 1968. The body design is interesting - it's slanted edge (replacing cutaways) runs parallel with the neck pickup and fretboard edge - certainly original. But by late '68 the Les Paul Standard and Custom had undergone a very sucessful reissue, perhaps swaying the decision towards the classic single cutaway body style.

Gibson Les Paul Personal

The above two guitars were part of an auction of Les Paul's guitars in 2012 by Juliens auctions.

The Les Paul Personal was produced in very small numbers between 1969 and 1973 at Gibson's Kalamazoo plant, MI, with a total of 370 guitars shipped. The peak year was 1970 with 220 guitars.

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steve Comment left 9th May 2012 15:03:05 reply
What were the serial number sequence on the les paul personal with the mic xlr jack.