Description
The DF1000 feedback-suppression processor combines elegant aesthetics with professional-grade functionality, catering to a diverse array of audio applications. Engineered by an industry leader, the DF1000 deploys precise feedback detection algorithms to ensure any spoken word or musical performance remains clear and pristine. It delivers unparalleled performance in any setting, making it invaluable for conference rooms, concert halls, and houses of worship. With its dual-channel design, the DF1000 provides a robust, versatile solution for managing audio feedback effortlessly.
Key Features
- Dual-channel automatic feedback suppression
- Increases system gain by up to 10 dB
- Ultra-fast DSP with 32 filters per channel
- Highly effective with speech and music
- Independent processing for stereo or separate zones
- Narrow filters to retain signal integrity
- Front panel control for suppression and filter reset
- Versatile input connections (XLR/TRS and Euroblock)
- Auto-ranging universal switch-mode power supply
Specifications
| Audio Inputs |
| Connections |
XLR/TRS combo, 3-pin Euroblock |
| Input impedance |
20 kΩ |
| Normal input level |
+4 dBu |
| Max. input level |
+21 dBu |
| Audio Outputs |
| Connections |
XLR, 3-pin Euroblock |
| Output impedance |
50 Ω |
| Normal output level |
+4 dBu |
| Max. output level |
+21 dBu |
| System Information |
| Controls |
Power on/off, Suppression, Filter reset |
| Indicators |
Power, Active, Reset |
| Frequency response |
20 Hz to 20 kHz, +/- 0.5 dB |
| Dynamic range |
104 dB |
| THD+N |
< 0.01% |
| Crosstalk |
< -81 dB |
| SNR |
>88 dB |
| CMRR |
>45 dB |
| Processor system gain |
0 dB |
| Additional acoustic gain |
10 dB |
| Digital Signal Processing |
| Converters |
24-bit |
| Sample rate |
48 kHz |
| Feedback Suppressor |
| Reduction method |
Automatic notch filters |
| Filters |
32 per channel |
| Filter width |
1/126th – 1/38th octave |
| Resolution |
0.2 Hz |
| Single feedback mode detection time |
100 – 400 ms |
| Multiple feedback modes detection time |
2 – 4 sec |
| Power Supply |
| Type |
Auto-switching power supply |
| Mains voltage |
100 – 240 VAC, 50/60 Hz |
| Fuse |
T 1.25 A H 250 V |
| Power consumption |
10 W |
| Mains connector |
Standard IEC |
| Dimensions/Weight |
| Dimensions |
50 x 483 x 296 mm (2.0 x 19.0 x 11.6″) |
| Weight |
2.9 kg (6.4 lbs) |
| Temperature Range |
| Operation |
0° C to 45° C |
| Storage |
-20° C to 60° C |
