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Main Feature
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- Mode switch for stereo 2-way/3-way or mono 4-may operation
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- Low frequency summed (subwoofer) output
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- x10 range switch on both channel
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- 40Hz high pass (low cut) filter both channel
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- Phase reverse switch on all output
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- Individual level control on all output
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- 24dB/octave Linkwitz-Riley filter (the professional standard)
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- Stereo/Mono status LED indicate the selected mode
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Input
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Connector
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XLR
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Type
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Electronically balanced/unbalanced, RF filtered
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Impedance
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Balanced > 50KΩ, unbalanced > 25KΩ
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Max Input Level
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> +21dBu balanced or unbalanced
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CMRR
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> 40dBu, typically > 50dB at 1KHz
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Output
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Connector
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XLR
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Type
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Impedance balanced/unbalanced, RF filtered
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Impedance
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Balanced 200Ω, unbalanced 100Ω
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Max Output Level
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> +21dBu balanced/unbalanced into 2KΩ or greater
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CMRR
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> 40dBu, typically > 50dB at 1KHz
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System Performance
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Bandwidth
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20Hz to 20KHz, +0/-0.5dB
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Frequency Response
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< 3Hz to > 90KHz, +0/-3dB
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Signal to Noise
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Ref. +4dBu, 22KHz measurement bandwidth
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Stereo Mode
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: Low Output
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> 94dB
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: Mid Output
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> 93dB
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: High Output
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> 92dB
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Mono Mode
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: Low Output
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> 94dB
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: Low-Mid Output
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> 94dB
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: High-Mid Output
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> 92dB
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: High Output
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> 92dB
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Dynamic Range
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> 114dB, unweighted, any output
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THD+Noise
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< 0.004% at +4dBu, 1KHz
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< 0.04% at +20dBu, 1KHz
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Interchannel Crosstalk
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< -80dB, 20Hz to 20KHz
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Crossover Frequency
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Stereo Mode
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: Low/High
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45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting)
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: Low/Mid
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45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting)
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: Mid/High
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450Hz to 9.6KHz
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Mono Mode
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: Low/Low-Mid
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45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting)
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: Low-Mid/High-Mid
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450Hz to 9.6KHz
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: High-Mid/High
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450Hz to 9.6KHz
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Filter Type
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Linkwitz-Riley, 24dB/octave, state-variable
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Function Switch
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Front Panel
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: Low Cut
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Activates 40Hz butterworth, 12dB/octave high-pass filter,
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one switch per channel
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: Phase Invert
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Inverts the phase at the output, one switch per channel
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Rear Panel
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: x10
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Multiplies crossover frequency range by 10, one switch per channel
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: Mode
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Selects stereo/mono and 2/3/4-way operation
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: LF Sum
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Selects normal (stereo) or mono-summed low frequency operation
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Indicator
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