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bulletKARAOKE




BOSCH LBB-1925/10  
รหัส : LBB-1925/10
ยี่ห้อ : BOSCH
รุ่น : LBB-1925/10
ราคาปกติ :  29,000.00      
ราคาพิเศษ :  24,650.00
รายละเอียดย่อ :
6 Zone Pre-Amplifier มิกเชอร์
Six-zone system pre-amplifier, with single or dual channel
รายละเอียดทั้งหมด :

 

  • 6 zone system pre-amplifier, with single or dual channel operation
  • Two input channels for call stations
  • Universal input for microphone/line, with speech optimized tone control
  • Allows multiple 6 zone call stations to be daisy-chained
  • Separate music and call channels with dedicated tone controls
  • 6 levels of priority available
  • Routable Music to zones
  • Emergency/telephone input
  • 24v override output on each zone
  • Selectable alarm tone, time signal and chimes
  • 3 separate BGM inputs and music optimized tone control
  • Further Mic/line input
  • Headphone monitor
  • VU meter
  • 19" mounting brackets included
  • 2U high

Specs.

Electrical
Mains Voltage: 230 VAC / 115VAC, ±15%, 50 / 60 Hz
Max Mains Power Consumption: 25 VA
Battery Voltage: 24 VDC, +20%/-10%
Max Battery Curren:t 1A
Max Mains Inrush Current: 1.5 A @ 230 Vac / 3 A @ 115 VAC
Performance
Frequency Response: 50 Hz – 20 kHZ (+1/-3dB)
Distortion: <0.5%
Bass Control: ±10 dB @ 100 Hz
Treble Contro:l ±10 dB @ 10 kHz
Channel Separation: >70 dB @ 1 kHz
Priority Mute: >40 dB
Inputs
Mic in
Sensitivity: 1 mV (microphone), 200 mV
(line)
Impedance: >1 kOhm (mic.), >5 kOhm (line)
S/N: (flat at max volume) >63 dB (mic.), >70 dB (line)
S/N: (flat at min volme/muted) >75 dB
CMRR: >40 dB (50 Hz – 20 kHz)
Headroom: >25 dB
Speech Filte:r -3 dB @ 315 Hz, high-pass, 6 dB/oct
Phantom Power Supply: 16 V via 1.2 kOhm, in mic. mode only
3 Cinch inputs: (unbalanced, stereo converted to mono)
Sensitivity: 200 mV
Impedance: 22 kOhm
S/N (flat at max volume): >70 dB 
S/N (flat at min volume/muted): >75 dB
Headroom: >25 dB
Outputs
Master Out: (3-pin XLR, balanced)
Nominal Leve:l 1 V
Impedance: <100 ohm
Music Output: (3-pin XLR, balanced) Nominal Level 1 V
Impedance: <100 ohm
Tape Output: (Cinch, 2 x mono)
Nominal Leve:l 350 mV
Impedance: <1 kOhm
Headphone output (6.3mm jack stereo, signal mono): Nominal Level 3 V
Impedance: <100 ohm
Zone Relays: 250 V / 5 A


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