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Description
Williams AV DL207 NET D Medium Area Dual Channel Hearing Loop Dante™ AmplifierThe DL207 NET D hearing loop system maximizes modern amplifier technology. Its network control capability provides seamless, remote system set up, operation, and monitoring of the induction loop system via a laptop or tablet. DSP audio processing offers flexible, powerful software control of mixing, equalization, compression, and more. Powerful Class D pulse width amplifier maximizes the efficiency of the unit. The Dante input provides integration
The DL207 NET D hearing loop system maximizes modern amplifier technology. Its network-control capability provides seamless, remote system set-up, operation, and monitoring of the induction loop system via a laptop or tablet. DSP audio processing offers flexible, powerful software control of mixing, equalization, compression, and more. Powerful Class D pulse-width amplifier maximizes the efficiency of the unit. The Dante™ input provides integration with existing Dante™ devices and remote network management.
The assistive listening system’s design offers a dual 9.5 A rms loop output for dual loop or phased array configuration. A 70-100 V input connects to a distributed speaker/paging system, ensuring announcements are heard by hearing aid users.
Meet IEC 60118-4 standards on system performance when integrated into a correctly designed and installed system. The DL207 NET D is also tested to IEC Specifications 62489-1 Benchmark Standards.
Features
- Network control – allows control and calibration of unit remotely with application software
- High continuous current 9.5 Arms (13.4 Apk) per output continuous
- LCD Screen with VU metering, easy one-button menu control
- DSP Audio Processing
- Dante™ Input
- USB for firmware updates
- Input mixing, parametric equalization, compression, metal compensation, high and low-pass filters, AGC and audio delay
- Power-save mode
- Adjustable output delay for multiple amps in large venues
- Fault warning and active protection against shorted or open circuits and overheating
- Loop fault relay output
- XLR and 3-position terminal block input configurable as microphone input or line-input, balanced or unbalanced.
- Standard 1 RU, 19” rackmount
- Magnetic signal couples directly to devices equipped with telecoils (T-coils) such as hearing aids, cochlear implants, or optional loop receivers.
- DL207 suitable for phased-array or dual-loop systems; DL107 suitable for perimeter loop or single array.
- Phased-array mode automatically produces 90° phase shift in slave loop output
- Meets IEC Specification 60118-4 (when designed and commissioned properly)
- Tested to IEC Specifications 62489-1 Benchmark Standards
- Meets ADA / ADAAG guidelines.
Specifications
| General | |
|---|---|
| Color | Case: Black, white and blue legends on front, white legends on back. LCD: Backlit Blue |
| Fan Cooling | Variable Speed, Temperature Controlled |
| Power Supply | Internal, Universal 100-240 VAC, 50/60 Hz, 200 Watt. Fuse: 5 x 20 mm, 5 A, 250 V AC power plug is IEC 320-C14 |
| Heat Output @ 120 VAC | Sleep State: 63 BTU/hr; Idle State: 84 BTU/hr; Driving two loops @ 9.5 A each: 638 BTU/hr |
| Ethernet | (1x) RJ-45; 10-100 MBps |
| USB | (1x) standard-B. USB 1.1, 2.0 or 3.0 supported |
| Environment | 0-35° C ( 32-95° F), 0-90% relative humidity |
| Coverage Area | 30,000 sq. ft. (2,786 sq. m.) (Perimeter Loops, 3:1 aspect ratio, both outputs driven) 18,000 sq. ft. (1,672 sq. m.) (Perimeter Loops, 1:1 aspect ratio, both outputs driven) |
| Inputs | |
| Dante Input | (1x) RJ-45;100 Mbps. Minimum latency: 2 ms. Audio sample rates supported: 44.1, 48 kHz. Resolution: 24 bits |
| Line Inputs | (1x) 3-position terminal block, 10 kΩ input impedance. Configurable/accepts -10 dBV, -4 dBu, +4 dBu, +8 dBu, balanced or unbalanced. Level adjustable 0 to -96 dB |
| Mic/Line Inputs | (1x) XLR 3-pin jack. Input impedance: 1.5 kΩ Mic, 10 kΩ Line. Configurable/Accepts: Mic, Line -10 dBV, Line +4 dBu, or Line +8 dBu, balanced or unbalanced. Phantom supply (24V) |
| 70-100V Input | (1x) 2-position terminal block; high/speaker-level input (accepts 25 V, 70 V or 100 V) from distributed audio/paging systems |
| Outputs | |
| Line Outputs | (1x) 3-position terminal block; loop-through of Mic/Line Input 1 & Line Input 2, +4 dBu, Balanced or Unbalanced. The line outputs mirror the audio of the loop output |
| Loop Output(s) | (1x) 2-position terminal block per output |
| Audio Output Delay | Adjustable from 0 to 165 msec |
| Headphone Output | (1x) 1/4” stereo headphone jack, on front of unit. Monitored input or output selectable in menu |
| Loop Fault Relay | (1x) 3-position terminal block providing NC, NO and Common. Contact rating: 2.0 A @ 30 VDC |
| Loop Output Drive Voltage | 16.1 Vrms (22.8 Vpk) continuous |
| Rated Loop Output Current | 9.5 Arms (13.4 Apk) per output |
| Loop Resistance Range | 0.5 Ω to 3.0 Ω (DC) |
| Audio | |
| Rated Load | 0.5 Ω DC with 135 µH inductance |
| Frequency Response | 45 Hz to 9.0 kHz ± 2 dB (1 kHz ref.) |
| Rated Loop THD | <1 % at rated output current (1 kHz sine wave) |
| Other | |
| Front Controls | Front LCD display menu access/adjustment via control button/dial |
| Adjustable Settings | Input mixing, parametric equalization, compression, metal loss compensation, high and low-pass filters, AGC and audio delay, output levels. See User Manual for adjustment range(s) |
| Internal Calibration Tools | Test tone generator with pink noise, loop current adjustment/matching |
| Other Features | Save/load configuration, loop test, priority input selection with adjustable threshold, loop fault relay, open/short and thermal protection |
| Network Control & Firmware | Function control and calibration by DigiLoop PC App via ethernet (RJ-45). PC App requires Windows 7 or higher. Firmware updates through USB only |
| Warranty | 5 years |
| Approvals | CE, UL, ULC, FCC, Industry Canada, RoHS, WEEE, CB scheme, RCM |
| Standards Compliance | This product is designed to meet the IEC-60118-4 standard when correctly designed, installed and commissioned. Test Specifications provided to the IEC 62489-1 standard |
| Physical | |
| Rack Units | 1 RU Rackmount |
| Chassis Dimensions (W) | 17" (431.8 mm) |
| Dimensions (H x W x D) | 1.75" (44.45 mm) x 19" (482.6 mm) x 10" (254 mm) |
| Weight | 9.2 lbs (4.2 kg) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy