INPUT:
Connectors: 1/4” TRS (223/234) or XLR (223XL/234XL)
Type: Electronically balanced/unbalanced, RF filtered
Impedance: Balanced > 50 kΩ, unbalanced > 25 kΩ
Max Input Level: +22 dBu typical, balanced or unbalanced
CMRR: >40 dB, typically > 55 dB at 1 kHz
OUTPUT (223/234):
Connectors: 1/4” TRS
Type: Impedance-balanced/unbalanced, RF filtered
Impedance: Balanced 200 Ω, unbalanced 100 Ω
Max Output Level: >+21 dBu balanced/unbalanced into 2 kΩ or greater
OUTPUT (223XL/234XL):
Connectors: XLR
Type: Electronically-balanced/unbalanced, RF filtered
Impedance: Balanced 60 Ω, unbalanced 30 Ω
Max Output Level: >+20 dBu balanced/unbalanced into 600Ω or greater
PERFORMANCE:
Bandwidth: 20 Hz to 20 kHz, +0/-0.5 dB
Frequency Response: < 3 Hz to > 90 kHz, +0/-3 dB
Signal-to-Noise: Ref: +4 dBu, 22 kHz measurement bandwidth
Stereo Mode: Mono Mode:
234/234XL: Low Output: > 94 dB > 94 dB
Low-Mid Output: > 94 dB
Mid Output: > 93 dB
High-Mid Output: > 92 dB
High Output: > 90 dB > 88 dB
223/223XL: Low Output: > 94 dB > 94 dB
Mid Output: > 93 dB
High Output: > 91 dB > 91 dB
Dynamic Range: > 106 dB, unweighted, any output
THD+Noise: < 0.004% at +4 dBu, 1 kHz
< 0.04% at +20 dBu, 1 kHz
Interchannel Crosstalk: < -80 dB, 20 Hz to 20 kHz
CROSSOVER FREQUENCIES:
234/234XL: Stereo Mode:
Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Low/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Mid/High: 450 Hz to 9.6 kHz
234/234XL: Mono Mode:
Low/Low-Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Low-Mid/High-Mid: 450 Hz to 9.6 kHz
High-Mid/High: 450 Hz to 9.6 kHz
223/223XL: Stereo Mode:
Low/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
223/223XL: Mono Mode:
Low/Mid: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Mid/High: 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)
Filter Type: Linkwitz-Riley, 24 dB/octave, state-variable
FUNCTION SWITCHES:
Front Panel:
Low Cut: Activates 40 Hz Butterworth, 12 dB/octave high-pass
filter, one switch per channel.
Phase Invert: Inverts the phase at the output, one switch per output.
Rear Panel:
x10: Multiplies crossover frequency range by 10, one switch per channel.
Mode: Selects stereo/mono and 2/3/4-way operation.
LF Sum: Selects normal (stereo) or mono-summed low frequency operation.
INDICATORS:
Stereo Operation: Green LED
Mono Operation: Yellow LED
Low Cut: Red LED per channel
x10: Green LED per channel
Phase Invert: Red LED per output (3 per channel)
POWER SUPPLY:
Operating Voltage: 100 VAC 50/60 Hz, 120 VAC 60 Hz
230 VAC 50/60 Hz
Power Consumption: 15 Watts
Mains Connection: IEC 320 receptacle
PHYSICAL:
Dimensions: 1.75” H X 19” W X 6.9” D (4.4cm x 48.3cm x 17.5cm)
Weight: 234: 4.0 lbs. (1.8 kg) 223: 3.7 lbs. (1.7 kg)
Shipping Weight: 234: 5.8 lbs. (2.6 kg) 223: 5.4 lbs. (2.5 kg)
Note: Specifications subject to change.
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