Korena by Guitar Center
Product detailSKU #1500000432857

FenderAmerican Ultra II Jazz Bass Maple Fingerboard Sinister Red

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Fender American Ultra II Jazz Bass Maple Fingerboard Sinister Red
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Independent shopping perspective

The Korena take

The American Ultra II Jazz Bass in Sinister Red is a right-handed, four-string model with two Ultra II Noiseless Vintage Jazz Bass pickups, a pan control, and active/passive switching at the master volume. A 3-band active EQ, passive tone control, and two-position midrange selector place broad tone adjustment on the instrument itself. The sculpted alder body joins a quartersawn maple Modern D neck and 10–14-inch maple fingerboard, while the 4-saddle HiMass bridge supports either listed stringing route.

Fender American Ultra II Jazz Bass Maple Fingerboard Sinister Red product detail
Product studyFender American Ultra II Jazz Bass Maple Fingerboard Sinister Red
Fender American Ultra II Jazz Bass Maple Fingerboard Sinister Red alternate view
Alternate view

Strong match

Who this is for

  • Studio or live sessions that call for onboard EQ adjustment and passive operation.
  • Players who prefer two Jazz Bass pickups and pan-based pickup blending.
  • Bassists who want a 1.5-inch nut width on a 34-inch, four-string Jazz Bass.

Consider the trade-offs

When to look elsewhere

  • Players seeking a five-string instrument.
  • Left-handed players.

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Fender American Ultra II Jazz Bass Maple Fingerboard Sinister Red construction detail

Detail 01

Two Ultra II Noiseless Vintage Jazz Bass pickups

Both listed pickup positions use the Ultra II Noiseless Vintage Jazz Bass design.

Detail 02

S-1 switch and 3-band active EQ

The master-volume control changes active/passive operation; bass, treble, and midrange can be adjusted in active mode.

Detail 03

1.5-inch nut width

This is the listed nut width for this four-string Jazz Bass.

Detail 04

4-saddle adjustable HiMass bridge

Strings can be installed through the body or top-loaded at the bridge.

Final check

Know before you order

  1. 01It is a right-handed four-string Jazz Bass with a 34-inch scale.
  2. 02A deluxe molded case is listed.
Fender American Ultra II Jazz Bass Maple Fingerboard Sinister Red close-up

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01Can I use it without the active electronics?

Yes. The S-1 switch selects passive operation, and a passive tone control is included.

02Which fingerboard does Sinister Red use?

This version has a quartersawn maple fingerboard with a 10–14-inch compound radius.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

4 detailsPickups & controls
Special electronics
S-1 switch for active/passive mode, 2-way mini-toggle midrange frequency selector (325 Hz or 750 Hz)
Bridge pickup
Ultra II Noiseless Vintage Jazz Bass
Middle pickup
Ultra II Noiseless Vintage Jazz Bass
Pickup Configuration
SS
6 detailsPlayability
Orientation
Right handed
Number of frets
21
Fingerboard radius
10"-14" compound radius
Number of Frets
21
Number of Strings
Fender 7250M nickel plated steel roundwound, long scale (.045-.105 gauges)
Scale Length
34" (86.36 cm)
13 detailsBody & build
Color
Red
Body Material
Select alder
Neck finish
Ultra satin urethane
Neck Wood
Quartersawn maple
Body wood
Select alder
Neck wood
Quartersawn maple
Fingerboard Material
Quartersawn maple
Country of Origin
USA
Hardware finish
Nickel/chrome
Nut material
Graph Tech TUSQ
Body Shape
Jazz Bass
Body finish
Gloss urethane
Position inlays
Black pearloid dot - 7 mm
2 detailsSize & weight
Scale length
34" (86.36 cm)
Nut width
1.5" (38.1 mm)
22 detailsOther
Body shape
Jazz Bass
Pickup configuration
SS
Truss rod
Bi-Flex
Neck shape
Modern D
Case
Deluxe molded
Tier
new
Side dots
Luminlay
Control knobs
Heavy knurled flat-top
Controls
Master volume (S-1 switch), pan pot (pickup selector), stacked concentric midrange boost/cut + passive tone control, stacked concentric treble boost/cut + bass boost/cut, mini-toggle midrange frequency selector
Fret size
Medium jumbo
Category Source
detail
Fingerboard
Quartersawn maple
Korena Special
false
Tuning machines
Fender F lightweight vintage-paddle keys with tapered shafts
Orientation
Right handed
Strings
Fender 7250M nickel plated steel roundwound, long scale (.045-.105 gauges)
Switching
Pan pot
Country of origin
USA
Pickguard
1-ply black anodized aluminum
Source Id
site51500000432857
Prop65
WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov.
Bridge
4-saddle adjustable HiMass (string-through-body or top-load)

Complete your setup

Worth comparing

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