รหัสสินค้า : NTS 223XL

CROSSOVER NTS 223XL  



223XL

Main Feature 

- Mode switch for stereo 2-way or mono 3-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 

: High Output > 92dB 

Mono Mode 

: Low Output > 94dB 

: Mid Output > 93dB 

: 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) 

Mono Mode 

: Low/Mid 45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting) 

: Mid/High 45Hz to 960Hz or 450Hz to 9.6KHz (x10 Setting) 

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 (2 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 3.7 lbs. (1.7 kg.) 

Shipping Weight 5.4 lbs. (2.5 kg.)