NTS 234XL Crossovers Stereo 2-3 way, Mono 4 way ครอสโอเวอร์ สเตอร์ริโอ 2-3 ทาง โมโน 4 ทาง

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.)