2100b specifications Watts Per Channel @ 4 2 x 50 Watts Per Channel @ 2 2 x 100 Watts Per Channel @ 4 Bridged 1 x 200 Frequency Response: 5 Hz to 50 kHz +/­ 1 dB Distortion (THD): < .04% Signal to Noise Ratio: > 100 dB Damping Factor: > 200 @ 100 Hz with 4 load Input Sensitivity: 100 mV to 2 V RMS Operational Voltage: 11 to 15 Volts On-Board Crossover: 12 dB per Octave "Butterworth" Module Port(s): 1 ­ Accessory Port Power Supply: Fully Regulated, PWM Fusing: 30 Amp 2100b features DISCONTINUED DECEmBER 1997 · Fully regulated, PWM power supply. · Doubling of power from 4 to 2 loads. · Hand-matched, complementary MOSFETS for better performance and sound quality. · Fully discrete power amp. · Independent amplifier channel gain adjustment. · Forced air convection cooling. · Over-current and thermal protection circuitry. · Adjustable input sensitivity (100 mV to 2 V RMS). · One accessory port ­ designed to accept our (optional) PQM-1 accessory module. · On-board 12 dB electronic crossover with frequency selection. · On-board crossover has 3 modes of operation ­ high pass, low pass, or bypass. · Amp may be run in "Mixed Mono" mode using passive crossovers. · 4 year parts and labor warranty when installed by an authorized Xtant dealer. "The Xtant 2100b with its audiophile-grade performance, and superbly sophisticated technology, is an extraordinary value in a compact twochannel amplifier. This amplifier contains the sonic signature exclusive to the larger and more expensive members of the Xtant family, in a small, sleek, efficient chassis." 1 o v.2.00 ...