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Seymour Duncan AHB-1B Blackouts 7-String Phase 2 Bridge Pickup vs Seymour Duncan ASB-BO-4 Blackouts For Bass Pickup
The AHB-1B is a 7-string guitar pickup engineered for metal and djent, while the ASB-BO-4 is a 4-string bass pickup designed for funk and slap. These are instruments in entirely different families—choose based on whether you're upgrading a 7-string guitar or a 4-string bass.
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Seymour Duncan AHB-1B Blackouts 7-String Phase 2 Bridge Pickup
Seymour Duncan ASB-BO-4 Blackouts For Bass Pickup
Specs side by side
| Seymour Duncan AHB-1B Blackouts 7-String Phase 2 Bridge Pickup | Seymour Duncan ASB-BO-4 Blackouts For Bass Pickup | |
|---|---|---|
| Price | $135.00 | $135.00 |
| Brand | Seymour Duncan | Seymour Duncan |
| Series | Seymour Duncan Blackouts | Seymour Duncan Blackouts |
| Pickup Type | Bridge | Any Position |
| Condition | New | New |
Why choose Seymour Duncan AHB-1B Blackouts 7-String Phase 2 Bridge Pickup
- ✓ Direct retrofit for EMG 707 7-string setups with quick-connect convenience
- ✓ Extended treble and tight low end optimized for extended-range tunings and high-gain clarity
- ✓ Active design maintains signal integrity in heavily processed rigs
Why choose Seymour Duncan ASB-BO-4 Blackouts For Bass Pickup
- ✓ High-output soapbar with integrated EQ (Bass 9 / Mid 5 / Treble 9) for aggressive presence and scooped mids
- ✓ Dual-blade design ensures consistent string-to-string balance across dynamic range
- ✓ Direct EMG 35 replacement for standard 4-string bass cavities; hand-built in California
Frequently asked questions
Can I use the AHB-1B on a bass or the ASB-BO-4 on a guitar?
No. The AHB-1B is specifically engineered as a 7-string guitar pickup with a soapbar form factor designed for guitar cavity spacing. The ASB-BO-4 is a 4-string bass pickup with string spacing up to 2.70" (68.5mm) and bass-specific EQ voicing. They are not interchangeable between instruments.
What's the key tonal difference between these two pickups?
The AHB-1B emphasizes extended treble and bass with a slightly scooped midrange for articulate high-gain clarity on 7-string instruments. The ASB-BO-4 uses an 8.0 kHz resonant peak with an integrated EQ stack (Bass 9 / Mid 5 / Treble 9) tuned for punchy, aggressive bass tones with scooped mids.
Do both pickups require soldering, or do they use quick-connect?
The AHB-1B features a quick-connector cable system that eliminates soldering for direct EMG 707 retrofits. The ASB-BO-4 uses a two-conductor cable that simplifies wiring in standard bass electronics cavities but requires traditional installation in most cases.
Are these budget-friendly options?
Both sit in the budget price tier as active pickups. The AHB-1B offers a direct retrofit path for 7-string players avoiding rewiring costs. The ASB-BO-4 is a direct EMG 35 replacement for 4-string basses, making both accessible upgrades for their respective instrument types.