$ 158,00
cable jack-jack
$ 38,00
cable xlr-xlr
$ 58,00


RESOCOIL is designed for musicians who need an internal solution fixed inside the instrument’s sound box. This sensor delivers the warm natural sound typically found in Schertler’s DYN family of external contact microphones, with the added convenience of a permanent installation that leaves no visible holes on the instrument.

RESOCOIL is suitable for use with classical type guitars, mandolin family instruments, ukulele and resonator guitars.


Nominal impedance 380 ohm @ 1 KHz
Frequency Response 40 Hz to 12 kHz (+/- 3 dB)
Dynamic range 139 dB, 145 dB typical
Sensitivity (on instrument) ca. -25 dB
Sensitivity (theoretical) 20 mV/g
Mechanical decoupling Butterworth 2nd order
Equivalent output noise 16 dB/0 dB = 0.002%
Contacts All hard gold plated 0.5 mm

XLR balanced
Jack unbalanced
Connection in to a high impedance input
may cause volume/signal loss

Temperature range -10° C to +50° C
Cable length 250 mm


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How it's made - Resocoil

Hand work is still needed for much of the assembly process. In this picture a Resocoil cable gets soldered to its connector.

"All pickup products and preamps are manufactured in Mendrisio, Switzerland. Most of the components are produced in our in-house workshop facilities where we have two CNC tooling machines, turning lathes and milling machines, a laser cutter, pneumatic presses, casting devices and obviously a well equipped electronic laboratory."




Stephan Schertler introduces this issue with an insight into the company’s motivation for developing new products.

More information on Schertler Acoustics at .

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