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Seymour Duncan STC-3ASB Fundamental 3-Band Tone Circuit For Active Pickups vs Seymour Duncan STC-3PSB Fundamental 3-Band Tone Circuit For Passive Pickups
The STC-3ASB is an active preamp for active pickups delivering surgical three-band control with extended headroom options, while the STC-3PSB is a passive tone circuit designed for passive pickups with a warm, harmonic-rich character. Choose the STC-3ASB for studio work, extended range, and drop tunings; choose the STC-3PSB for jazz, funk, and live performance versatility.
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Seymour Duncan STC-3ASB Fundamental 3-Band Tone Circuit For Active Pickups
Seymour Duncan STC-3PSB Fundamental 3-Band Tone Circuit For Passive Pickups
Specs side by side
| Seymour Duncan STC-3ASB Fundamental 3-Band Tone Circuit For Active Pickups | Seymour Duncan STC-3PSB Fundamental 3-Band Tone Circuit For Passive Pickups | |
|---|---|---|
| Price | $195.00 | $195.00 |
| Brand | Seymour Duncan | Seymour Duncan |
| Pickup Type | Any Position | Any Position |
| Condition | New | New |
Why choose Seymour Duncan STC-3ASB Fundamental 3-Band Tone Circuit For Active Pickups
- ✓ Active circuit with dual 9V battery option for extended headroom and longer battery life
- ✓ Three-band EQ with pull-up frequency contour switch and onboard trim pots for fine-tuning
- ✓ Designed for active pickups with surgical tone-shaping control
- ✓ Ideal for extended range and drop-tuning applications
Why choose Seymour Duncan STC-3PSB Fundamental 3-Band Tone Circuit For Passive Pickups
- ✓ Passive design requiring no batteries, eliminating power concerns
- ✓ Warm, articulate, harmonic-rich tone optimized for fretless bass and jazz/funk styles
- ✓ Two or three-band EQ options with frequency contour switch for fretless harmonic enhancement
- ✓ Versatile across studio and live performance settings
Frequently asked questions
Which circuit works with my pickups?
The STC-3ASB is engineered for active pickups and offers powered EQ shaping. The STC-3PSB is designed for passive pickups and operates passively without requiring a battery.
What are the main tonal differences?
The STC-3ASB delivers surgical, studio-grade tone control with extended frequency shaping. The STC-3PSB emphasizes warm, articulate, harmonic-rich character optimized for fretless bass and jazz applications.
Do I need to change my instrument's cavity or wiring?
The STC-3ASB fits most existing control cavities with only four knobs and a 9V battery compartment required, minimizing modifications. The STC-3PSB similarly integrates into standard control layouts without extensive routing.
Which is better for metal and drop tunings?
The STC-3ASB is specifically recommended for extended range and drop tunings with its active circuitry and surgical EQ. The STC-3PSB is noted as not ideal for metal applications.