FB2400 DIGLTAL FEEDBACK EXTERMINATOR_Dongguan Dongya Audio Technology Co., Ltd.

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FB2400 DIGLTAL FEEDBACK EXTERMINATOR

Application:

Description:

■The number of active filters and fixed filters per channel: user can select, the final configuration is stored in the memory; ■ The front panel is equipped with a 2-inch TFT color screen, Chinese and English are optional; ■ Dual-channel feedback plus frequency shift design scheme, frequency shift: 2Hz, 4Hz, 6Hz, 8Hz, optional; ■Each channel is equipped with 12 notch filters, working frequency 20-20KHZ, automatically scans and suppresses howling points; ■ The unique noise gate function can suppress the system's weak noise interference; ■ A B channel can directly select auxiliary functions, ■ Input compression function to eliminate feedback and expand the dynamics of the human voice; ■ The response time is fast, medium and slow, 3 speeds can be set, which is more user-friendly; ■ It can be connected to the computer to control the PC software debugging software, USB drive-free plug and play, simple and convenient, and the parameters can be locked after the operation.

Parameter Structural drawing

1. Analog input 2CH-XLR and 1/4" TRS (female) input, electronically balanced/unbalanced
2. Input impedance: balanced 46Ω, unbalanced 22KΩ Maximum line level input +18dBµµ
3. Analog output 2CH-XLR and 1/4 "TRS (female) output, electronically balanced/unbalanced
4. Output impedance Balanced>120Ω, unbalanced>60Ω Maximum output level +20dBµµ
5. Frequency response 20Hz-20KHz, ±0.3dB
6. Signal-to-noise ratio >105dB(A)
7. Dynamic range 103dB
8. Total harmonic distortion + noise 0.005%, 1KHz; 20Hz-10KHz,
<0.01%; 10KHz-20KHz, <0.025%
9. Working voltage 110V/220V/AC 50Hz/60Hz

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