Rickenbacker 4003AC Ltd Editio ...

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Rickenbacker 4003AC Ltd Edition Al Cisneros

Includes Hard Case

Was £4,350.00 Save £651.00


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Manufacturer's ID: 4003AC

What we say:

At A Glance:

Weedians rejoice, It is here! Al Cisneros, Low-End High-Priest of metal wizards Sleep, Om and Shrinebuilder, is never seen on stage without one of his array of Rickenbacker basses, and to reward him for this, Rickenbacker have introduced his signature model, the Rickenbacker 4003AC.

Signature Rickenbacker basses don't come along very often, and Al joins such rarified company such as Chris Squire and Lemmy Kilmister. This bass is an extremely limited edition, with only 420 models (yes, 420) being produced.

The 4003AC is based around the 4003W which has been Al's axe of choice in recent years, with a few choice upgrades and modifications dreamed up by the man himself to perfectly suit his notably rock solid, percussive playing style. These include a newly re-engineered Rickenbacker bridge for maximum sustain and improved adjustability, covers on both pickups and a removable thumb rest right on the end of the neck in Al's preferred playing position.

Far from simply being a stoner-doom bassist's ultimate dream-machine however, the 4003AC is every bit as versatile and powerful as one could want from a Rickenbacker. The through-neck construction marries the bound maple neck to the walnut body wings delivering tons of sustain and articulation, and features a pair of hot wound treble pickups beneath removable covers. Al's unique appointments are rounded out with oversized diamond control knobs and green "Sleep" position inlays. Finally, Al's signature is front and centre on the pick guard.

The 4003AC is a truly awe-inspiring piece of low-end power that no discerning Dragonaut should be without.

Features We Love:


The 4003AC is rigged with a pair of Rickenbacker Hot Wound Treble Pickups in the bridge and middle positions. As befits Al's monstrous tone, these pickups delivers "holy mountains" of low end combined with buckets of treble and snarl to hit your amps and pedals hard for that thick, gnarly Sleep bass tone.


The 4003AC features Rickenbacker's Re-Engineered bass bridge, that delivers masses of sustain and clarity, while improving adjustability over the original spec bridge.


The 4003AC combines a through-body bound maple neck with walnut body wings, delivering tons of sustain, articulation and clarity to your tone.

Signature Model

As befits so visible a Ricky player, Al Cisneros' signature model is designed by the man himself to be the ideal bass for his needs; a 4003 with just a little more of everything. The twin-covered pickups, the repositioned neck-pickup, removable thumb rest, and even the Sleep Green 'smoky' triangle inlays are all spec's dreamed up in the mind of this Titan of Doom.


  • Takes the noted brilliance of the Rickenbacker 4003, and kicks everything up a gear
  • Designed by Al Cisneros, the lauded bassist of Shrinebuilder, Om and doom metal titans Sleep
  • Extremely limited edition, only 420 made.
  • Features Hot Wound Lead Pickups, built and positioned to maximise output and clarity
  • Boasts Rickenbacker's new, fully intonatable and adjustable Re-engineered bridge

What's Included:

  • Rickenbacker 4003AC Al Cisneros Bass
  • Rickenbacker Hard Case


Body Type  Solid
No. Frets  20
Scale Length  84.5 cm (33 1/4'')
Neck Width at Nut  42.9 mm (1 11/16'')
Neck Width at 12th Fret  54.0 mm (2 1/8'')
Crown Radius  25.4 cm (10'')
Body Wood  Walnut
Neck Wood  Maple
Fingerboard Wood  Maple
Weight  4.1 kg (9.0 lbs.)
Overall Length  113.8 cm (44 13/16'')
Overall Width  34.3 cm (13 1/2'')
Overall Depth  31.8 mm (1 1/4'')
Fret Marker Style  Green "Sleep" Triangle Inlays
Tailpiece  RIC Re-engineered
Bridge  RIC Re-Engineered
Neck Type  Through body
No. of Pickups  2
Type of Pickups  Single Coil
Output Type Mono
Machine Heads  Schaller Deluxe