Seymour Duncan ASB-2ASB Steve Bailey 6-String Fretless System 2-Band T
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Seymour Duncan ASB-2ASB Steve Bailey 6-String Fretless System 2-Band Tone Circuit
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- 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 purpose-built for 6-string fretless bass, pairing responsive soapbar pickups with a 2-band tone circuit and frequency contour switch optimized to capture the harmonic clarity and midrange definition fretless playing demands. Hand-built in Santa Barbara with a pre-wired harness, it installs straightforwardly and delivers reliable performance through extended playing sessions on a single 9v battery. Choose it if you're serious about upgrading a fretless rig with professional-grade electronics engineered specifically for the nuance and articulation of fretless technique.
Frequently Asked Questions
What bass models is this system compatible with?
The Phase I soapbar pickups are designed to fit traditional P4-routed 6-string bass bodies with pickup cavity dimensions of 466 x 127 mm. Verify your bass has this routing before purchasing, or consult a technician for routing compatibility.
How does the frequency contour switch work and how much control do I have over the tone?
The frequency contour switch emphasizes fretless harmonics and delivers a mid-range boost optimized for the character of fretless playing. Two trim potentiometers on the circuit board let you fine-tune the frequency contour EQ further, allowing precise adjustment of the system's character to match different playing styles and instrument characteristics.
How long does the battery last and can I extend it?
The system runs on a single 9v battery housed in the control cavity and delivers approximately 1,000 continuous hours of battery life per set. You can wire two 9v batteries in series for added headroom on demanding sessions and extended runtime.
What comes pre-wired and how difficult is the installation?
The harness arrives pre-wired with high-quality potentiometers, battery clip, and all controls assembled. Installation is straightforward for players with basic soldering skills and access to a bass technician; the system fits into the control cavity of a compatible 6-string fretless bass.
What tone controls and features does this system include?
The 2-band tone circuit provides dedicated bass and treble controls, a master volume control, and a blend control to adjust pickup mix. The frequency contour switch and two trim potentiometers add significant customization for shaping the midrange and harmonic character to your playing style.
Do I pay sales tax on this order?
We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. On this item that is roughly $33 less out the door than the same listed price at a national retailer or on a marketplace. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.
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