crossover NTS 234XS ครอสโอเวอร์ รุ่น 234 ครอส2/3ทาง

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.)