Seymour Duncan ASB-2ASB Steve Bailey 6-String Fretless System 2-Band T
Share
Seymour Duncan ASB-2ASB Steve Bailey 6-String Fretless System 2-Band Tone Circuit
In stock
- SKU
- 11407-28
Description
Seymour Duncan ASB-2ASB Steve Bailey 6-String Fretless System 2-Band Tone Circuit
The ASB-2ASB is a complete active electronics system engineered specifically for 6-string fretless bass, delivering the harmonic clarity and midrange definition that fretless playing demands. This hand-built Santa Barbara system pairs responsive soapbar pickups with a sophisticated tone circuit designed to unlock the full expressive potential of fretless instruments. The pre-wired harness and integrated controls make installation straightforward for players ready to upgrade their fretless rig.
Electronics & Tone Shaping
The 2-band Tone Circuit combines bass and treble controls with a master volume and blend control, all supported by a dedicated frequency contour switch optimized to emphasize fretless harmonics and deliver a mid-range boost. Two trim potentiometers on the circuit board allow for fine-tuning the frequency contour EQ, giving you precise control over the system's character across different playing styles and instrument characteristics.
Live Reliability & Power
The system runs on a single 9v battery housed in the control cavity, with the option to wire two batteries in series for added headroom on demanding sessions. With approximately 1,000 continuous hours of battery life per set, the ASB-2ASB delivers reliable, consistent performance through extended playing periods and gigs without frequent replacement.
Key Features
- Neck and bridge active soapbar pickups
- 2-band Tone Circuit with bass and treble controls
- Master volume and blend control
- Frequency contour switch optimized for fretless harmonics and mid-range boost
- Two trim potentiometers for frequency contour EQ customization
- Pre-wired harness with high-quality potentiometers and battery clip
- Black anodized, knurled, dome-style control knobs
- Single 9v battery power (compatible with dual 9v wiring in series)
- Approximately 1,000 continuous hours battery life per set
- Phase I soapbar pickups fit traditional P4 routed 6-string bass (466 x 127 mm)
- Hand built in Santa Barbara, CA
This complete fretless system combines purpose-built electronics with meticulous construction to deliver the articulation, harmonic clarity, and tonal flexibility that serious fretless players require for the stage and beyond.
More Information
| Condition | New |
|---|---|
| Country of Manufacture | United States |
Reviews
At a Glance
The Seymour Duncan ASB-2ASB is a complete active electronics system built specifically for 6-string fretless bass, pairing responsive soapbar pickups with a 2-band tone circuit that emphasizes harmonic clarity and mid-range definition. Designed for gigging fretless players who need reliable, articulate tone night after night, it features a pre-wired harness for straightforward installation and a frequency contour switch tuned to unlock the full expressive potential of fretless playing. Hand-built in Santa Barbara with approximately 1,000 hours of battery life per 9v set, it delivers the consistent performance and tonal flexibility serious fretless musicians demand on stage.
Frequently Asked Questions
What bass does this system fit?
The ASB-2ASB is engineered for 6-string fretless bass with Phase I soapbar pickup routing (466 x 127 mm). It fits traditional P4 routed 6-string bass bodies designed for these dimensions.
How long does the battery last?
A single 9v battery provides approximately 1,000 continuous hours of operation. The system can also be wired with two 9v batteries in series for added headroom on longer sessions.
What tone controls does it have?
The 2-band Tone Circuit includes bass and treble controls, a master volume, a blend control for pickup balance, and a frequency contour switch optimized for fretless harmonics with a mid-range boost. Two trim potentiometers on the circuit board allow you to fine-tune the frequency contour EQ to match your playing style and instrument.
Is installation difficult?
No—the system comes pre-wired with a harness, high-quality potentiometers, and a battery clip, making installation straightforward for players upgrading their fretless rig.
Why choose this over passive electronics?
Active electronics provide the harmonic clarity, articulation, and mid-range definition that fretless playing demands. The dedicated frequency contour switch and customizable EQ trim pots let you shape your tone precisely for different playing styles and studio/stage environments.
Compare With
Similar Gear
Complete the Rig
Gear that pairs well with this.
✨ For You
Based on what you've been looking at.