NTS 234XL Crossovers Stereo 2-3 way, Mono 4 way ครอสโอเวอร์ สเตอร์ริโอ 2-3 ทาง โมโน 4 ทาง
Main Feature
- Mode switch for stereo 2-way/3-way or mono 4-may operation
- Low frequency summed (subwoofer) output
- x10 range switch on both channel
- 40Hz high pass (low cut) filter both channel
- Phase reverse switch on all output
- Individual level control on all output
- 24dB/octave Linkwitz-Riley filter (the professional standard)
- Stereo/Mono status LED indicate the selected mode
Input
- Connector: XLR
- Type : Electronically balanced/unbalanced, RF filtered
- Impedance : Balanced > 50KΩ, unbalanced > 25KΩ
- Max Input Level : > +21dBu balanced or unbalanced
- CMRR : > 40dBu, typically > 50dB at 1KHz
Output
- Connector : XLR
- Type : Impedance balanced/unbalanced, RF filtered
- Impedance : Balanced 200Ω, unbalanced 100Ω
- Max Output Level : > +21dBu balanced/unbalanced into 2KΩ or greater
- CMRR : > 40dBu, typically > 50dB at 1KHz
System Performance
- Bandwidth : 20Hz to 20KHz, +0/-0.5dB
- Frequency Response : < 3Hz to > 90KHz, +0/-3dB
- Signal to Noise : Ref. +4dBu, 22KHz measurement bandwidth
Stereo Mode
- Low Output > 94dB
- Mid Output > 93dB
- High Output > 92dB
Mono Mode
- Low Output : > 94dB
- Low-Mid Output : > 94dB
- High-Mid Output : > 92dB
- High Output : > 92dB
- Dynamic Range : > 114dB, unweighted, any output
- THD+Noise :< 0.004% at +4dBu, 1KHz, < 0.04% at +20dBu, 1KHz
- Interchannel Crosstalk : < -80dB, 20Hz to 20KHz
Crossover Frequency
Stereo Mode
- Low/High: 45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting)
- Low/Mid : 45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting)
- Mid/High : 450Hz to 9.6KHz
Mono Mode
- Low/Low-Mid : 45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting)
- Low-Mid/High-Mid : 450Hz to 9.6KHz
- High-Mid/High : 450Hz to 9.6KHz
- Filter Type : Linkwitz-Riley, 24dB/octave, state-variable
Function Switch
Front Panel
- Low Cut : Activates 40Hz butterworth, 12dB/octave high-pass filter, one switch per channel
- Phase Invert : Inverts the phase at the output, one switch per channel
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
Indicator
- 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 : 230VAC 50Hz
- Power Consumption : 15 Watts
- Main Connection : IEC 320 receptacle
Physical
Dimension [HxWxD] : 1.75″ x 19″ x 6.9″ (4.4 x 48.3 x 17.5 cm.)
Weight : 4.0 lbs. (1.8 kg.)
Shipping Weight : 5.8 lbs. (2.6 kg.)
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