Product Overview
The DL207 NET Induction Loop Amplifier is designed for medium spaces, enhancing audio access for individuals with T-coil hearing aids or cochlear implants. It enables remote management and setup via network control, and its dual-channel function allows audio broadcasting to two separate areas or in phased array setups.
Williams AV DL207 Includes:
- (1) PLA DL207 NET – Induction Loop Amplifier
- (1) WLC 004 – Line Cord (US)
- (1) IDP 009 – ADA Wall Plaque (T-Coil)
Williams AV DL207 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
- 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.
Williams AV DL207 Specifications:
- GENERAL:
- Dimensions: 1 RU Rackmount, 19” W x 1.75” H x 10” D. Chassis is 17” W.
- Weight: DL207: 9.2 lbs (4.2 kg)
- 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: DL207: 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.
- Coverage area: DL207 (dual output amplifier):
- 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)
- Environment: 0-35° C ( 32-95° F), 0-90% relative humidity,
- INPUTS:
- Dante input: On “D” models only. (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).
- 70-100 V 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*: [lt]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. See User Manual for details.
- Other features: Save/load configuration, loop test, priority input selection with adjustable threshold, loop fault relay, open/short and thermal protection. See User Manual for details.
- 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: 2-year warranty against component failure and manufacturing defects. See Full Warranty statement on the website for details.
- 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.
