Revision 5.0 RMP2 Ribbon Microphone Preamplifier User’s Manual 6/10/2017
Page 5 of 6
Copyright © 2017 Integer Audio LLC. All Rights Reserved.
DANGER !
Hazardous voltage inside the unit.
Do NOT open. No user serviceable parts inside.
Service is to be performed only by authorized personnel.
Do NOT remove or disconnect any safety ground connections.
WARNING !
120 VAC ONLY!
For continued protection against risk of fire, replace ONLY
with fuses of the same type and having the same electrical rating.
WARNING !
DO NOT USE PHANTOM POWER!
Connecting a phantom power supply may damage the preamp due to potential phantom
power faults and will void the warranty.
Electronics Specifications:
- Maximum gain is approximately 80 dB, minimum gain 24 dB
- Output impedance is 49.9 ohms x2
- Differential input impedance is 10k ohms
- THD less than 0.005% at 60 db gain
- EIN: less than -129 dBu, 20kHz BW, 60 dB gain, Rs = 150 ohm
- Bandwidth is <1Hz to >1MHz +0/-3dB at 40dB gain, 300kHz at 60dB, 70kHz at 74dB
- Phase deviation is < 4 degrees, 20Hz to 20kHz at 60dB
- Frequency response (20Hz to 20kHz) is < +/-0.01dB at 60 dB gain, < +/-0.3dB at 74dB
- Two-sided PCB with low impedance ground plane, star ground and EMI/RFI protection
External Features:
- Two channels
- 1u height, 19 inch rack mount with handles (16.75” W x 8” D x 1.75” H)
- Weight: approximately 5 lbs.
- Three position input impedance selector switch
- 24-position gain selector switch
- Front panel power switch
- Blue LED indicator for DC power
- Balanced XLR input and output
- IEC filtered and fused power inlet, 120 VAC ONLY
- One 5x20mm slow blow fuse, rated for 250 VAC, 0.5 amps
- Grounded power cord
- Four rubber feet with adhesive backing, supplied separately
- No phantom power
