Description
This is a demo-stock PRO-AG1-125, the workhorse undersaddle pickup from Fishman’s AG-Series — the same piezo crystal sensor that’s been quietly amplifying acoustic guitars on stages for years without needing a battery to do it.
- Passive piezo crystal undersaddle transducer
- Built for 6-string guitar: 1/8″ (3.2mm) saddle width, 2.125″ E-to-E string spacing
- No battery required to operate
- Impedance-matching preamp recommended for best tone, though not mandatory
- Professional installation recommended for proper saddle fit and slot routing
Because it’s passive, the AG1-125 pulls string vibration straight off the saddle with no onboard electronics to color the signal — which means the character of your acoustic’s top and bridge comes through rather than getting filtered through active circuitry. Pair it with an impedance-matching preamp (or one of Fishman’s Powerjack Active Endpin Jack Preamp options, available separately for AG-Series pickups) and you get a natural, low-noise output ready for the board or a DI.
The AG-Series lineup covers a wide range of saddle widths and string spacings, so steel-string, classical, 12-string, and ukulele players can all find a version dialed in for their instrument — this particular listing is the standard 6-string spec. Since precise saddle slot dimensions matter for fit and tone transfer, having a qualified tech handle the install is the smart move.
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