Skip to content

Rickenbacker 4003AC Al Cisneros Bass

Here is the OM and Sleep bassist Al Cisneros Rickenbacker 4003AC limited edition signature bass. Only 420 of these basses will be produced! Its features include a newly re-engineered tailpiece/bridge, single two-way adjusting truss rod, two hot wound treble pickups (Bezels included), Green “Sleep” inlays, Al Cisneros signature pickguard, oil finish, and walnut body/maple neck and fretboard. Includes hardshell case.

The 4003AC signature version is based off the Rickenbacker model 4003W bass. It’s a Classic Rickenbacker bass that’s been strengthened with walnut for a solid and natural look that keeps with the traditional character of the instrument made famous for its ringing sustain, treble punch and solid underlying bass.

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Rickenbacker 4003AC Al Cisneros Bass


  • Body Type: Solid
  • No. Frets: 20
  • Scale Length: 84.5cm (33-1/4”)
  • Neck Width at Nut: 42.9mm (1-11/16”)
  • Neck Width at 12th Fret: 54mm (2-1/8”)
  • Crown Radius: 25.4cm (10”)
  • Body Wood: Walnut
  • body finish: Oil finish
  • Neck Wood: Maple
  • Fingerboard Wood: Maple
  • Trussrod: Single two-way adjusting truss rod
  • Weight: 4.1kg (9.0lb.)
  • Overall Length: 113.8cm (44-13/16”)
  • Overall Width: 34.3cm (13-1/2”)
  • Overall Depth: 31.8mm (1-1/4”)
  • Neck Binding: Yes
  • Fret Marker Style: Green “Sleep” inlays
  • Tailpiece/Bridge: Newly re-engineered tailpiece/bridge
  • Neck Type: Through body
  • No. of Pickups: 2
  • Type of Pickups: Two hot wound treble pickups (Bezels included)
  • Output Type: Mono and Stereo
  • Machine Heads: Schaller Deluxe
  • Pickguard: Al Cisneros signature pickguard

Favorite Basses – Main Page

Rickenbacker 4003AC Al Cisneros Bass