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19" 2-space, rack-mountable design
patented Turbo-V cooled heat sinks w/variable speed DC fan
ultra-strength steel chassis
RampUpT signal control
stereo or bridged-mono modes of operation
front panel AC power switch/circuit breaker
amp function switch for full-range operation or crossover high/low frequency outputs
two independent, adjustable crossovers
two independent, low frequency filters
five front panel LED indicators per channel: ACTIVE, DDTT, SIGNAL, TEMP & DC Rated output power (120 VAC, 60 Hz): Bridge mode, mono: 4 Ohms: 800 W @ 1 kHz, <0.1% THD 8 Ohms: 650 W @ 1 kHz, <0.1% THD Stereo mode, both channels driven: 2 Ohms: 400 W per channel 1 kHz, <0.05% THD 4 Ohms: 325 W per channel 1 kHz, <0.05% THD 8 Ohms: 225 W per channel 1 kHz, <0.05% THD Minimum load impedance: Stereo mode: 2 Ohms Bridge mode: 4 Ohms Frequency response: 10 Hz to 50 kHz; +0, -1 dB, 4 Ohms @ 1 W Power bandwidth: 15 Hz to 50 kHz; +0, -1 dB @ rated, 4 Ohms Total harmonic distortion: Stereo mode, both channels driven <0.1% @ 500 W per channel from 20 Hz to 20 kHz Voltage gain: Input attenuator set @ FCW 31 dB, stereo mode, 4 Ohms, 1 kHz 38 dB, bridge mode, 8 Ohms, 1 kHz Crosstalk: >-75 dB @ 1 kHz @ rated power, 8 Ohms Crossover: Fourth order state variable filters: 24 dB/Octave Frequency range: 40 Hz to 300 Hz Hum & noise: Stereo mode, both channels driven below rated output power, 4 Ohms, >100 dB (30 kHz BW, unweighted) Slew rate: Stereo mode, each channel >20V/us Damping factor: >250 @ 8 Ohms, 20 Hz to 1 kHz Phase response: Stereo mode, 4 Ohms @ rated power 20 Hz leading waveform: <-16.5ø 20 kHz lagging waveform: <+17.5ø Input sensitivity: Input attenuator set @ FCW 1.0 V @ rated power, 4 Ohms, 1 kHz Input impedance: Input attenuator set @ FCW 20 k Ohms, balanced Cooling: One front panel, temperature dependant, variable speed DC fan Controls: Two front panel attenuators, rear panel mode switch, rear panel DDT defeat switch, function switch per channel, adjustable low cut filter per channel, low cut filter bypass switch per channel, adjustable subwoofer crossover per channel Indicator LEDs: Two DDT, two active status, two DC protect, two over-temperature, two ten-segment signal displays Protection: Clipping, short-circuit, thermal overload, DC, turn-on burst, incorrect loads Connectors: Combination XLR & 1/4" (6.3 mm) phone input, Speakonr & binding post speaker output 1/4" (6.3 mm), high pass or full range patch connector per channel, 1/4" (6.3 mm) low pass patch connector per channel, 15 amp IEC mains connectors Construction: 16 ga. steel w/cast aluminum front panel & cast handles Dimensions (H x W x D): 3.5" x 19" 17.5" (8.9 cm x 48.3 cm x 44.5 cm) Net weight: 33.4 lbs (15.2 kg) Gross Weight: 45.5 lbs (20.6 kg) 2 Ohms stereo mode & 4 Ohms bridge mode power is time limited by magnetic circuit breaker