94f450sd
certified nutjob
found some info on the mcintosh.
mc431 4 ch;
MC431 4 channel X 100w. Configurable for 4/3/2 channel operation. Includes built-in electronic crossover with separate high pass and low pass filters. Power Guard. Ported tunnel forced-air cooling. Multi-stage thermal protection. Dual MOSFET PWM power supplies. Input level controls. Transient protection. Gold plated terminals. 2 ohm stability. Allows internal installation of McIntosh parametric equalizer modules. Size 2-3/4"H, 18-1/2"W and 12"D. Sold from 1994-1997. Last retail price $1100.00
mc431 4 ch;
MC431 4 channel X 100w. Configurable for 4/3/2 channel operation. Includes built-in electronic crossover with separate high pass and low pass filters. Power Guard. Ported tunnel forced-air cooling. Multi-stage thermal protection. Dual MOSFET PWM power supplies. Input level controls. Transient protection. Gold plated terminals. 2 ohm stability. Allows internal installation of McIntosh parametric equalizer modules. Size 2-3/4"H, 18-1/2"W and 12"D. Sold from 1994-1997. Last retail price $1100.00