Fishman AG1-125 UNDERSADDLE PICKUP WIDE
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- This item is covered for 3 years
Essential Information About the Fishman AG1-125 Transducer
Essential Information About the Fishman AG1-125 Transducer
- Passive piezo/ceramic sensor placed under the saddle for discreet and faithful amplification of your acoustic guitar
- Wide format with a width of 3.2 mm, ideal when the saddle slot allows it
- Designed for 6-string guitars, compatible with string spacing up to 54 mm
- Under-saddle installation : captures string vibrations directly for excellent definition and precise attack
Manufacturer Information
Fishman
https://www.fishman.com
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Safety manager:
Algam SAS
Email: contact@algam.net
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An AG Series Transducer Designed for Acoustic Guitars, Simple and Effective
The Fishman AG1-125 belongs to the AG Series, a family of under-saddle pickups known for its "plug-and-play" approach in lutherie: a thin transducer placed under the saddle that respects the instrument's aesthetics while providing a usable and coherent signal for both stage and home recording. Its wide 3.2 mm format meets the needs of guitars whose saddle configuration requires this width, while maintaining a clean integration.
For Which Guitarist and Use?
This passive piezo transducer is aimed at 6-string acoustic guitarists who want to amplify their instrument with a discreet system, without an external microphone in front of the soundhole. It is suitable for both chord accompaniment and fingerpicking, thanks to a direct reproduction of the attack. Like any passive pickup, it reveals its full potential when paired with a high-impedance input or a suitable preamp, to preserve dynamics and tonal balance.
How the "Under-Saddle" Format Affects the Sound
Installed under the saddle, the AG1-125 captures vibrations as close as possible to the string-bridge contact point: you get a fast response, good separation between strings, and very clear projection in a mix. The choice of width (3.2 mm) is essential for even support under the saddle: a good fit improves volume balance string-to-string and response consistency. Also make sure to check compatibility with your guitar's string spacing (up to 54 mm) for optimal capture.
Technical specifications
| EQ | No | Low battery indicator | No |
| Category | sensor | Professional installation | Yes |
| Type | piezo, ceramic piezo, barrette microphone, passive microphone | Nut width | 3.2 mm |
| Instrument | guitar | Saddle length | 59 mm |
| Tuner | No | Brightness wheel | No |
| Notch filter | No | Color | Blue |
| Model | Fishman AG1-125 | Width | 3.2 mm |
| Position | under-saddle | Compatibility | 6-string guitars |
| Format | wide | Maximum string spacing | 54 mm |
Questions frequently asked
Is the Fishman AG1-125 compatible with my acoustic guitar?
This model is designed for 6-string acoustic guitars and accepts a maximum string spacing of 54 mm. The nut slot must be 3.2 mm wide and allow for the installation of a 59 mm long pickup.
What nut width is required for this piezo pickup?
The under-saddle bar requires a width of 3.2 mm. This wide format ensures proper support in bridges designed for this dimension.
What sound does the Fishman AG1-125 under-saddle piezo produce?
Installed under the nut, this ceramic piezo pickup delivers a direct attack and fast response. Capturing at the string-bridge contact point enhances string separation and clear projection in a mix.
Is a preamp needed with this passive pickup?
To preserve dynamics and tonal balance, a high-impedance input or a suitable preamp is recommended. The pickup has no built-in EQ, notch filter, or brightness control.
Does installing an under-saddle pickup require a professional?
Professional installation is recommended for this under-bridge system. Consistent pressure under the nut affects volume balance between the strings.



