Class-a preamplifier for acoustic instruments and not only (13 pages)
Summary of Contents for Schertler STAT PRE
Page 1
Connect the instrument cable to the INPUT socket and the output cable to the OUTPUT socket. WARNING: Do not use the STAT PRE with M AG6 Unplug the OUTPUT to turn off the preamp and save guitar pickup, as the 10V provided by the preamp battery when the preamp is not in use.
Page 2
Warm 1st order Low pass (cut freq. 2 kHz) always on cables, STAT PRE box and circuit), they are not directly connected to ground (and are therefore “floating”), Low Cut 2nd order High pass filter (cut freq. 100 Hz) always on as they actually depend on the grounding connection of the device to which the STATsystem is connected.