Roger Schult V2359j amp4ribbon

1-Channel Ribbon Microphone Preamplifier
Construction: 500 module format, requires a 500 module slot
Continuously adjustable pre-amplification from 26 dB to 59 dB
Switchable attenuation 15 dB can be activated via push button (opt. -20 dB pad)
Impedance control 150 Ohm to 22 kOhm
Bass equalisation / high-pass filter 0 to -17 dB control range at 20 Hz
Midrange equalisation 155 Hz – 3.5 kHz, +/- 10 dB
Quality of midrange equalisation, 0.4 and 0.7 fixed and 2.4 – 4 adjustable
Treble equalisation by Baxandall tone control +/- 12 dB at 9 kHz
Bypass function
+48 V phantom power switchable