I/O connections: XLR balanced; high-Z input on front panel (disconnects mic input)
Adjustable gain stages: input in 5db steps to 60db; output from -25 to +10db; maximum overall gain 70db; 2 to 3 stages of single ended solid state amplifier gain blocks, depending on gain structure; high-current 70ma Class A bias on output stage
Input and output meters on each channel (dual-stage metering is a Great River exclusive)
Front panel switches: polarity; phantom power; input impedance (1200 / 300 ohm); output loading (600 ohm resistor across output transformer)
High quality, custom wound Sowter transformers
Gold plated switching contacts
3 year warranty with registration
Mounts in 2 spaces in a '500' rack
MP-500NV benefits
'Big Iron Vintage Sound' from custom-wound transformers
High-Z input is ideal for bass, guitar, and sound modules (FET-buffered and routed into the input transformer, a Great River exclusive)
Gain stage monitoring via dual meters (also a Great River exclusive)
Ultra quiet noise floor for outstanding performance at any gain setting