Feedback Suppressor DF224

Mã sản phẩm: #DF224

Thương hiệu: FDB

Hotline / Zalo:  0911.253.454
Địa chỉ: 50 Trần Quý Cáp, P. Thạch Thang, Q. Thanh Khê, TP. Đà Nẵng.

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DESCRIPTION

●The perfect solution to prevent howling in conference and educational language amplifying system.
●2-inch TFT color screen, resolution 220x176, Chinese and English optional.
●Frequency shift to prevent howling, 4 gear optional .
●Each channel is equipped with 24 automatic notch filter, working frequency 20-20 kHz, automatic scanning and suppression of howling point, can be flexibly set the number of static locking point.
●PEQ parameters of 24 segments per channel are balanced and can be set flexibly.
●The noise gate can avoid the system weak noise disturbance in the static state.
●Input compression, human voice dynamic control and a certain ability to suppress the howling. 
●Fast response time, adapt to the needs of more application scenarios.
●USB drive-free plug and play, equipped with professional PC debugging software, convenient and fast.
●Can Store 10 sets of configuration, flexible storage calls.

SPECIFICATIONS

MODEL  DF224
INPUT/OUTPUT CHANNELS 2 IN/2 OUT
INPUT CONNECTOR FEMALE(XLR)/MICROPHONE(TRS)
OUTPUT CONNECTOR MALE(XLR)/MICROPHONE(TRS)
FREQUENCY RESPONSE 20Hz-20KHz,±0.3dB
S/N RATIO >105dB
THD  <0.003% OUTPUT=0db/1KHz  
DYNAMIC RANGE 103dB
MAX INPUT LEVEL  18 dBu
INPUT IMPEDANCE BALANCE: 47 KOHms; UNBALANCED: 20KOHms
MAX OUTPUT LEVEL +20dBu  BYPASS
OUTPUT IMPEDANCE BALANCE: 120 OHms UNBALANCED: 60 KOHms
HOWLING & SUPPRESSES  automatic notch/frequency shift
FILTER Each channel can be adjusted independently up to 24, the default value of 12 fixed points, the default value of 12 dynamic points
EQUALIZER Each channel has 24 segments of parameter balance, can be set flexibly
ACOUSTIC GAIN 6--10 dB                                                     
COMPRESSION The adjustable parameters are: threshold value: -100 dBu-+ 0 dbu, step distance: 1 dBu, compression ratio: 1.0:1-128:1,
step distance: 1, response time: 10 ms-100 ms, Step Distance: 1 ms, Release Time: 10 ms-5000ms, Step Distance: 1ms
LIMITING The adjustable parameters are: threshold value: -40 dbu-+ 20 dbu, step distance 0.1 dbu,
response time: 10 Ms-200 MS, Step Distance: 1 ms release time: 20 Ms-3200 MS, step distance: 2 xat
NOISE 1dBu   Adjustable parameter: threshold value: -99 dBu--60 dBu, 1dBu step
PROCESSOR 96KHz sampling frequency, 32-bit DSP processor, 24-bitA/D and D/A conversion
DISPLAY SCREEN 2-inch TFT color screen, 220x176 resolution, optional menu in English and Chinese 
POWER SUPPLY AC 220V   50/60Hz  
DIMENSIONS(WxDxH)mm 483x270x45                                      
NET WEIGHT         3 KG

 

 

 

DOWNLOAD

DF224.PDF