E 35
MFE-212
PA-24FR
Base_DE_001-176.qxd 28.01.2014 14:44 Uhr Seite 35
AM
P
LIFIE
RS
PA Technology 2014
Feedback Controllers
Order No. 25.4520
Stereo DSP feedback controller
• Prevents acoustic feedback appearing in
PA systems
• 12 steep-edged precision notch filters for
each stereo channel
• Editable filter parameters (supplied with
software)
• 4 factory presets, 16 user presets
• Mono operation or 2-channel operation
possible
• AD/DA resolution: 24 bits
Model
MFE-212
General information
Frequency range
20-20,000 Hz
Inputs
2.2 V max.
Outputs
2.2 V max.
S/N ratio
> 90 dB
THD
< 0.01 %
Power supply
230 V~/50 Hz/20 VA
Admiss. ambient temp.
0-40 °C
Dimensions
482x44x193 mm, 1 RS
Weight
2 kg
Inputs
Mic/line
1 x XLR L/R, bal. (line)
1 x 6.3 mm jack L/R (line)
Foot pedal
-
Outputs
Mic/line
1 x XLR L/R, bal. (line)
1 x 6.3 mm jack L/R (line)
• 45 dB attenuation (with gradual reduction
in variable mode)
• Optionally continuous signal monitoring
(auto notch) or manual setting of the
required filters (manual notch)
• Backlit 2 x 20 dot matrix display
• Adjustable input level and output level
• Bypass function
• Clip LED
• Balanced inputs and outputs: XLR and
6.3 mm jack
• USB A port
• MIDI input and output
• 482 mm (19") rack installation, 1 RS
Order No. 17.2580
2-channel anti-feedback controller
• Efficient protection against acoustic feed-
back due to frequency shift method
• Selectable frequency shift 3-15 Hz,
adjustable in 13 steps via DIP switches
• Integrated noise gate (mute when input
level is too low)
• Bypass function
• LED display for operation, input signals
and activated frequency shift function
Model
PA-24FR
Inputs
0.775 V, 60 k
Ω
, bal.
Outputs
0.775 V, 50
Ω
, bal.
Frequency range
20-20,000 Hz
S/N ratio
> 70 dB
THD
< 0.05 %
Power supply
230 V~/50 Hz/10 VA
Dimensions
482x44x230 mm, 1 RS
Weight
2.4 kg
• XLR connections and screw connections for
line inputs and outputs
GB_001-117.qxd
29.01.2014 12:58 Uhr Seite 35