Table of Contents
Advertisement
2 | LBB 1968/00 Plena Feedback Suppressor
Installation/Configuration Notes
LBB 1968/00 back view
Parts Included
Quantity
Components
1
LBB 1968/00 Plena Feedback Suppressor
1
Power cord
1
Set of 19" mounting brackets
1
0.5 m XLR cable
1
Installation and User Instructions
1
Plena CD
Technical Specifications
Electrical
Mains power supply
Voltage
230/115 VAC, ±10%, 50/60 Hz
Inrush current
1.5 A @ 230 VAC / 3 A @ 115 VAC
Max power consumption
50 VA
Performance
Sample rate (fs)
32 kHz
Frequency response
125 Hz to 15 kHz
Distortion
<0.1 % @ 1 kHz
Gain (bypass mode)
0 dB line in, 24 / 36 / 48 dB mic in
Gain (active mode)
0 dB line in, 24 / 36 / 48 dB mic in
S/N
> 90 dB
Signal delay
<11 ms
Decorrelator
Frequency shift, 5 Hz up
Masked noise
Mic / line input
1 x
Connectors
3-pin XLR, 5-pin DIN, balanced
Max level
18 / 6 / -6 dBV line in,
-18 / -30 / -42 dBV mic in
Impedance
10 kohm / 2 kohm (line / mic)
CMRR
> 25 dB (50 Hz to 20 kHz)
Phantom power
16 V (mic only, switchable)
Priority control
Loop through of pin 4 and 5 of DIN
Mains power supply
Mic input
1 x
Connectors
3-pin XLR, 5-pin DIN, balanced
Max level
-18 / -30 / -42 dBV
Impedance
2 kohm
Phantom power
16 V (switchable)
Priority control
Loop-through of pin 4 and 5 of DIN
Line input
1 x
Connector
Cinch, unbalanced
Max input level
18 / 6 / -6 dBV
Impedance
20 kohm
Line output
1 x
Connector
3-pin XLR, balanced
Max level
18 / 6 / -6 dBV (line in),
6 dBV (mic in)
Impedance
<100 ohm
Line output
1 x
Connector
Cinch, unbalanced
Max level
18 / 6 / -6 dBV (line in),
6 dBV (mic in)
Impedance
<100 ohm
Mic output
Connector
5-pin DIN, balanced
Max level
22 / -34 / -46 dBV (line in),
34 dBV (mic in)
Impedance
<100 ohm
Priority control
Loop-through of pins 4 and 5 of DIN from
inputs
Mechanical
Dimensions (H x W x D)
56 x 430 x 270 mm
(19" wide 1U high)
Weight
3 kg (6.6 lb)
Mounting
Stand-alone, 19" rack
Color
Charcoal
Environmental
Operating temperature
-10 ºC to +55 ºC (14 ºF to +131 ºF)
Storage temperature
-40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity
<95%
Ordering Information
LBB 1968/00 Plena Feedback Suppressor
a powerful DSP with a patented algorithm to
suppress acoustic feedback
LBB1968/00
Advertisement
Table of Contents
