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Listen Technologies D Series MultiLoop Driver (14 Amps x 2) - D14-2

Listen Technologies D Series MultiLoop Driver (14 Amps x 2) - D14-2

Part Number: D14-2
Our Price: $4,621.00
Availability: Usually ships the same business day

D Series MultiLoop Driver (14 Amps x 2)

The D14-2 (D Series) represents the global benchmark for digital audio induction loop systems. The compact, elegant and sturdy units not only feature digital signal processing and networking functionality, but are also the most versatile and powerful solution available.

The D14-2 hearing loop amplifier is a 14 Amp dual output class 'D' driver; meaning a 60%+ increase in energy efficiency over existing solutions. Both drivers feature capacitive touch front panels with intuitive menus, built in test signals, and are fully networkable with a Wi-Fi accessible standard browser based control panel for remote set-up, monitoring and email alerts.

The D14-2 features 14 Amps per loop output plus ample voltage headroom, making it the most flexible solution on the market, suitable for a huge range of applications. The added power of the D14-2 provides a solution for installations in environments containing very high levels of metal, previously not possible without the use of combiners.

In another first for high-power Class D Induction Loop drivers, installation can be performed with total confidence, as unique multi-stage filtering ensures compatibility with both other system equipment and global EMC regulations. The D Series also boasts Dual slope Metal Loss Control that caters for a wide range of metal loss frequency characteristics.

Key Features
  • Drives 2 output channels at 14ARMS each, featuring accurate and stable 90 phase shift
  • Networkable with remote browser interface
  • Digital display & intuitive 'touch' menu system
  • 3 modes; Main, Status & Quick
  • Highly energy efficient Class-D amplifier with low heat dissipation
  • Up to 2 x 1,300m2 Perimeter Loops area coverage
  • Up to 3,300m2 MultiLoop™ Low Loss area coverage
  • Compact 1U rack mount unit with internal transformer for simple rack installation
  • Optimised for speech frequencies with unmatched intelligibility & capable of high quality musical reproduction
  • AGC & Dual Slope MLC
  • Active status monitoring & remote fault reporting via email
  • Data compliant with: IEC 62489-1 Standard
  • One (1) D14-2 D Series Networkable MultiLoop™ Driver (14 Amps x 2)
  • One (1) 1U 19? Rack Mount (brackets included)
  • One (1) Handbook and installation instructions
  • One (1) T-Coil Loop System present Sign (deaf logo)
  • Two (2) Neutrik NL4 output connectors for each output
  • One (1) Region specific IEC power cable
  • One (1) Status and DC Connectors

Frequency Response80 Hz to 6.3 kHz 3 dB
DistortionTHD+N < 0.2 %, 1 kHz sine wave at full current
AGCOptimized for Speech, Dynamic Range > 36 dB
Metal Loss CorrectionCorrects system frequency response due to metal structures in a building. Gain constant at 1kHz, adjustable gain slope from 0 to 4dB per octave in 0.25dB increments. Custom 2 slope MLC allows different slopes and transition frequency to be set via the menu.This does not compensate for signal loss from metal structures which can be significant.
Phase ShiftUser selectable at 0 or 90 between outputs
Slave I/O6.35mm jack socket for linking more than one amplifier.Inserting plug disables other inputs
Loop Connector/sChannels A / B, Neutrik NL4 Speakon, Drive Current: 14 A (RMS), 19.8 A (Peak) up to 60 seconds continuous 1 kHz sine wave, peak > 19.8 A per channel, Cont. pink noise 6.6 (RMS), short term peaks > 20 A per channel, Drive Voltage: 33.9 V (RMS), 45 V (Peak) at maximum output current per channel
Loop Monitor ConnectionProvides access to monitor actual loop current via a 3.5mm stereo headphone connector on front panel Channel A on left, channel B on right
Input 1XLR balanced inputs, switchable between microphone and line via panel menu:Microphone specification; 200 - 600 ?, sensitivity -64 dBu.Selectable 12 V phantom power on microphone only.Line sensitivity; -39 dBu, Input Impedance = 17k?
Input 2XLR balanced inputs, switchable between microphone, line and AES via panel menu:Microphone specification; 200 - 600 ?, sensitivity -64 dBu.Selectable 12 V phantom power on microphone only.Line sensitivity; -39 dBu, Input Impedance = 17k?
DC OutputResettable, fuse protected 12V 0.1A. Operation can be configured via menu.
Loss Control Phased Array - CoverageNo Metal (0dB): 3,300 m (35,520 sq. ft.)Moderate Metal Loss (-5dB): 925 m (9,956 sq. ft.)High Metal Loss (-10dB): 400 m (4,305 sq. ft.)Severe Metal Loss (-15dB): 180 m (1,937 sq. ft.)
Low Spill Phased Array - CoverageNo Metal (0dB): 1,225 m (13,185 sq. ft.)Moderate Metal Loss (-5dB): 700 m (7,535 sq. ft.)High Metal Loss (-10dB): 340 m (3,659 sq. ft.)Severe Metal Loss (-15dB): 120 m (1,291 sq. ft.)
Perimeter Loop - CoverageNo Metal (0dB): 1:1 Aspect Ratio 2 x 1,300 m (13,993 sq. ft.), 3:1 Aspect Ratio 2 x 1,145 m (15,607 sq. ft.)
Power120 VAC, 160 W, 45 - 65 Hz, Power Switch on front panel
MountingFreestanding or 1U 19" rack mount (brackets included)
Dimensions (H x W x D)44 x 430 x 290 mm (1.74 x 16.93 x 11.42 in.)
Weight6.9 kg (15.3 lbs.)
Shipping Weight8.26 kg (18.3 lbs.)
Temperature - Operation0 C (32 F) to 35 C (95 F)
Relative Humidity20 to 90% Relative Humidity
StandardsIP20 Rated
Marks and ApprovalsCE and ETL Listed