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Description
Williams AV DL207 SYS Digi-Loop Medium Area, Dual Channel Hearing Loop SystemThe DL207 SYS 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 assistive listening systems design
The DL207 SYS 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 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 SYS is also tested to IEC Specifications 62489-1 Benchmark Standards.
Specifications
| GENERAL | |
| Dimensions | 1 RU Rackmount, 19” W x 1.75” H x 10” D. Chassis is 17” W. |
| Weight | DL107: 9.2 lbs (4.2 kg) 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 | DL107 : Sleep State: 63 BTU/hr; Idle State: 71 BTU/hr; Driving one loop @ 9.5 A: 339 BTU/hr |
| 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. |
| Environment | 0-35° C ( 32-95° F), 0-90% relative humidity, |
| 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) |
| DL107 (single output amplifier): 15,000 sq. ft. (1,393 sq. m.) (Perimeter Loop, 3:1 aspect ratio) 9,000sq. ft. (836 sq. m.) (Perimeter Loop, 1:1 aspect ratio) | |
| 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. |
EAR 013
| Plug | 3.5 mm mono |
| Cord length | 39 inches |
| Impedance | 32 Ohms |
| Frequency Range | 20 - 20kHz |
| Max input power | 5mV |
| Sensitivity | 128dB @ 1kHz |
| Driver size | 13 mm |
| Weight | 9g |
| Replacement earpad | EAR 015 |
FWT 001
| Description | Cloth-based warning tape, 2 in. Width, 165 ft Length per roll. |
| Dimensions | 6" Dia x 2" W x 165' L Roll |
| Weight | 1.28lbs |
| Color | White cloth. Williams Sound logo, T-Coil Logo, and Warning Text. |
| Warning Text | Warning: Do not cut or disturb - Hearing assistance induction loopwire |
| Used with | PLW F300, PLW F500 |
PLR BP1
| Dimensions: | 4.1"H x 2.85"W x 1.38"D (104 mm H x 72 mm W x 35 mm D). |
| Weight: | 4.6 oz (130 g) with batteries, 2.6 oz (73 g) without batteries. |
| Color/Material: | Black ABS/polycarbonate molded plastic case. |
| Battery Type: | (2) AA (1.5VDC) Alkaline or NiMH (rechargeable). |
| Battery Life: | Up to 200 hours with Alkaline batteries. |
| LED Indicator: | Green LED indicates power on, flashes when batteries are low. |
| Headphone Jack: | 3.5mm stereo TRS jack works with mono or stereo headphones. |
| Volume control: | External switched thumb wheel controls power on/off and volume level. |
| Tone control: | Rotary control inside battery compartment (1kHz reference at 400mA/m input with Tone at mid position) |
| Induction Coil: | Maximum reception: receiver oriented vertically |
| Power Output: | 35mW (max) into 33 ohms mono impedance |
| THD: | [lt]2% |
| Frequency Response: | 300Hz to 10KHz, -6dB |
PLW F500
| Length | 500 ft (152.4 m) |
| Width | OD: 22 mm (with insulation) ID: 19 mm (bare copper) |
| Thickness | OD: 0.17 mm (with insulation) ID: 0.1 mm (bare copper) |
| Cross Sectional Area (Bare Copper) | 1.9mm2 |
| Spool Dimensions | 8-1/8” W x ¾” H (20.6 cm W x 1.9 cm H) |
| Spool Weight | 6.5 lbs (2.9 kg) |
| Color/Material | Copper with Mylar (polyester) encapsulation |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
I read the quotations first
Format: Hardcover
Of all the stories I have read about those who experienced extraterrestrial life, and all those who told those stories, Billy Meier's story is the most authentic. This book is a beautifully written and photographed narrative of Meier's relationship with various people from the stars, over a period of time. Billy himself reminded me of my best friends in the 1960's and 70's--quiet and kind. But the most remarkable part of this book, apart from the extraordinary photographs, is that there are quotations from the extraterrestrial visitors themselves, which are worth reading, in order. Yes, you might still not believe this happened, but you cannot help but absorb insights in those quotations. You will not forget them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2024
★★★★★ 5
A Civilization in Transition: Can Humans Make the "Jump" to Hyperspace?
Format: Hardcover
Though there is ample evidence to suggest that humanity has been visited by "off-planet" beings or relatives since as far back as any recorded history in stone or on paper, with the advent of technologies bringing us closer to an enlightenment or a destruction, UFO/UAP events seem to becoming more frequent. And more accepted. When UFO...CONTACT FROM THE PLEIADES v I and II were first published 45 years ago few people had a personal computer in their homes let alone any digital technology whatsoever. There were gains in human rights protections along with ecological study and the awareness of the importance to "love our Mother." (Earth) So it may not be so unreal to consider that one specific human, a farmer in rural Switzerland was chosen for multiple contact events and allowed to capture photographs, audio recordings, films and even metallic samples from OP visitors for the purpose of helping humanity expand its consciousness to the next level.
This reissue tells such a story with vivid photography, detailed analysis and skilled reporting having used the most advanced non-civilian equipment available at the highest levels in its day. Furthermore, time has only affirmed that none of the photographs or video from the Billy Meier case have proved to be fake or forged in any known way.
This is the book for searchers interested in the "nuts and bolts" of ufology. And yet...
Whether you believe in UFOs or off-planet visitors is really beside the point here. The deeper point - and the not so hidden purpose revealed through the messages given to Billy Meier from Semjase, a Pleiadean traveler who contacted Meier over 100 times in the 1970s - is to consider if each one of us is capable of suspending disbelief long enough to be curious, which takes an open heart. And if we open our hearts, how can we do harm to ourselves, our planet, or others in the universe? And if we can achieve "do no harm" what else could we achieve? Hyperspace? Telepathy? A humane civilization where no one goes hungry or homeless? The point is whether or not we are ready, collectively, to expand our consciousness.
After reading this book, I want to take that leap!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2024
★★★★★ 5
A wonderful book !l
Format: Hardcover
No doubt the subject of UFO's and ET's is a challenging subject. But the Billy Meier story is certainly one of the very best. This book is masterwork that warrants the highest rating. The photos are extraordinary and the story line is superb. Buy a copy or several for yourself and for gifts .
A. very happy customer ....indeed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2024
★★★★★ 5
Amazingly well written
Format: Hardcover
Nice book. Pictures and honest interviews and reports via credible down to earth persons.
They don't weigh you down with hundreds of pages to read. Well done
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 15, 2024
★★★★★ 5
Beyond Expectations
Format: Hardcover
Since I have had several experiences I am always looking for something legitimate -something that looks into the heart and truth of the material and comes out authentic to the core - I love this book - It far exceeds what I expected and am very happy I ordered it to add to my collection. This will be on the top of the stack! The only down side is that amazon packaged it rougly where it slid freely about in an overlarge box --This ended up tearing the top of the dj rear --- :( I do hope they do not pack all orders for this bk that way - if there are notes you can add to your order you might request book packaging or something more durable than sliding loosely about I found out about this book on the newsletter I receive from Shirley MacClaine - she always has valuable nuggets to share !!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2024
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