Philips Plena LBB1920/00 4x4 Universal Preamp Mixer (2.EL)

100 V, telephone and a call station input with priority & VOX

2 zones and 2-channel operation

Voice-activated emergency override

2-tone chime built in, 7 more chimes optional with call station

Outputs for line out, music-only out, and insert point

24 V backup input with built in 24 V charger

Separate tone controls for microphones and music sources

• Front

On/off switch

Power on LED

LED VU meter for master output (LEDs for -18, -12 -6, -3, 0 dB)

Master volume knob

Six volume knobs for microphone inputs

Knob for treble level

Knob for bass level

Headphone socket

Two zone selector buttons

Background music button

Back

Dip switches

Chime level

Ducking level

Tel/100 V volume control

Mains power supply

Voltage 115 - 230 VAC ±10%,

50/60 Hz

Power consumption 24 VA

Battery power supply

Voltage 24 VDC ±15%

Current 1 A

Power consumption (maximum) 1 A

Performance

Frequency response 50 Hz to 20 kHz (+0/-3 dB)

Distortion <0.1% @ rated output power,

1 kHz

Low Control Max -12/+12 dB (frequency is

setting dependent)

Hi Control Max -12/+12 dB (frequency is

setting dependent)

RJ-45 input 2 x

Call station input For PLE-2CS(MM)

Wall panel input For PLE-WP3S2Z

Mic/line input 6 x

Input 1 (Push-to-talk contact with ducking

functionality)

5-pin Euro style, balanced,

phantom

3-pin XLR, balanced, phantom

Input 2-6 (VOX with ducking functionality

on input 2)

3-pin XLR, balanced, phantom

Sensitivity 1 mV (mic); 1 V (line)

Impedance >1 kohm (mic); >5 kohm (line)

Dynamic range 100 dB

S/N (flat at max volume) >63 dB (mic)

>70 dB (line)

S/N (flat at min volume/muted) >75 dB

CMRR (mic) >40 dB (50 Hz to 20 kHz)

Speech filter -3 dB @ 315 Hz, high-pass,

6 dB/oct

Phantom power supply 16 V via 1.2 kohm (mic)

Mic/line input 6 x

Speech filter -3 dB @ 315 Hz, high-pass,

6 dB/oct

VOX (input 1 & 2) attack time 150 ms; release

time 2 s

Music inputs 3 x

Connector Cinch, stereo converted to

mono

Sensitivity 300 mV

Impedance 22 kohm

S/N (flat at max volume) >70 dB

S/N (flat at min volume/muted) >75 dB

Headroom >25 dB

Emergency / telephone 1 x

Connector 7-pin Euro style pluggable

screw terminal

Sensitivity telephone input 1 V – 10 V adjustable

Sensitivity emergency input 100 V adjustable

Impedance >10 kohm

S/N (flat at max volume) >65 dB

VOX Threshold 50 mV; attack time

150 ms; release time 2 s

Insert 1 x

Connector Cinch

Nominal level 1 V

Impedance >10 kohm

Zone/Master/Music output 3 x

Connector 3-pin XLR, balanced

Nominal level 1 V

Impedance <100 ohm

Mechanical

Dimensions (H x W x D) 100 x 430 x 270 mm

(19" wide, 2U high)

Mounting Stand-alone, 19" rack

Color Charcoal

Weight Approx. 4.5 kg

Environmental

Operating temperature -10 ºC to +55 ºC

Storage temperature -40 ºC to +70 ºC

Relative humidity <95%