K&K Sound Pure preamp

One of simplest and most natural sounding preamps on the market! This one is in great condition with some very minor scuffs. No box

Preamp for Acoustic Instruments
Specially developed for acoustic guitars, but also very suitable for many other acoustic instruments
Perfectly suited for use with Pure pickups
Special broadband mid-range filter
+/-20 db bass
Mid and treble control
Internal gain trimmer
Frequency range: 10 Hz - 30.000 Hz
Bass control effective from 100 Hz
Midrange filter from 1.5 kHz
Treble control effective from 10 kHz
Input Impedance: 1 MOhm
Output impedance: 10 KOhm
Battery life: Approx. 180 hours