Description

JJ-4 with Larry Graham’s signature printed on it
This JJ-4 is a 21-fret flange design synonymous with Moon, and is believed to have been manufactured prior to 1989. Controls are 2VOL, 1Tone, and Toggle SW.

Overall, there are many signs of use such as color burn, scratches, dents, peeling paint, dull parts, and peeling chrome.
The neck is slightly twisted and wavy, but has been set up and is in playing condition.

Item Rank: B: Fairly scratched and used, but no problems in normal use.

Serial Number: 100054
Case: Non-authentic soft case
Weight: 4.10kg
Truss Rod: No problem, with a note that the rod has been checked up to 60 degrees to the left and right (slightly twisted).
Fretboard Height: No problem, fretboard height is high enough.
String height on bass string side: 2.5mm above 12th fret
String height on treble string side: 2.0mm above 12th fret
Nut width: 38.6mm
Neck thickness near 1st fret: 21.2mm
Neck thickness near 12th fret: 24.4mm
SCALE: 864mm (34″)
RADIUS: 184mm (7.25″)
Strings in setup: D’Addario EXL165 / .045-.105 set
Repair and maintenance: Cleaning, string replacement, rod adjustment, octave adjustment, string height adjustment, electrical repair, and alignment

Specs: D’Addario EXL165 / .045-.105 set

Item Rank
B: Fairly scratched and used, but no problem for normal use.

12 months old

Serial No.
100054

Case
Non-genuine soft case

Weight
4.10kg

Truss Rod
No problem (slight torsion)

Remaining frets
No problem, there is enough fret height

String Height Low String Side
2.5mm above 12th fret

String height on treble string side
2.0mm above the 12th fret

Nut width
38.6mm

Neck thickness near 1st fret
21.2mm

Neck thickness near 12th fret
24.4mm

Scale
864mm (34″)

RADIUS
184mm (7.25″)

Strings for setup
D’Addario EXL165 / .045-.105 set

Repair and maintenance
Cleaning, string replacement, rod adjustment, octave adjustment, string height adjustment, electrical repair, and mortise and tenon adjustment