NTS 223XL ครอสโอเวอร์

รหัสสินค้า : NTS 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.)