C5-2 MultiLoop Hearing Loop Driver

Model: C5-2

Simple digital interface enabling accurate adjustment
Highly energy efficient Class-D amplifiers with low heat dissipation providing low running and maintenance costs
Networking with browser interface for remote reporting, adjustment, active status monitoring and remote fault reporting via email or Telnet
Built-in test tones – controllable with LoopLink
Automatic Gain Control

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The C Series hearing loop drivers from Ampetronic mark a substantial development in assistive listening technology. C Series units feature digital signal processing and networking functionality and enable fast, accurate setup and adjustment via a very simple and easy to use user interface.

Ampetronic has engineered the C Series to offer the high end performance, consistency and certainty of results usually associated with top of the range hearing loop drivers, all for the price of a mid-range amplifier. Class ‘D’ drivers built into the C Series ensures low running and maintenance costs.

Network versions enable installers, technicians and facilities managers to remotely control the driver and monitor its condition status along with resistance and induction measurements. Fault condition alerts via email or Telnet provide reassurance that an operator will be informed of any issues with performance delivery.

The C5-2 features 5 Amps RMS current loop output, plus ample voltage headroom, making it suitable for a wide range of applications. Installation can be performed with total confidence; unique, multi-stage filtering ensures compatibility with other systems and global EMC regulations.

Simple digital interface enabling accurate adjustment
Highly energy efficient Class-D amplifiers with low heat dissipation providing low running and maintenance costs
Networking with browser interface for remote reporting, adjustment, active status monitoring and remote fault reporting via email or Telnet
Built-in test tones – controllable with LoopLink
Automatic Gain Control
Compact 1U rack mount unit with internal transformer for simple rack installation
Optimised for speech frequencies with unmatched intelligibility and capable of high quality musical reproduction
Industry standard Phoenix connectors
Data compliant with IEC 62489-1 Standard
100V line input
Applications include:
Lecture Theatres & Conference facilities
Stadia, Sports Halls, Cinemas & Theatres
Courts Rooms, Airports & Railway Stations

Amplifier Type - Power Amplifier
Rackmountable - Yes
Spec Sheet available - Yes

Cooling: Passive
Depth: 7.48 in
Height: 1.73 in
Width: 16.93 in
AC Voltage: 230 Volts
Environment: 20 to 90% relative humidity; 0 to 35 degrees C
Mounting Width: 19 in
Mount Type: Rack
Product Weight: 5.51 lbs
Sustainability Rating: IP20
Minimum Frequency Response (Bandwidth): 80 Hz
Minimum Frequency Response (Bandwidth): 0.08 kHz
Maximum Frequency Response (Bandwidth): 6500 Hz
Maximum Frequency Response (Bandwidth): 6.50 kHz
Number of Channels: 2
Total Harmonic Distortion + Noise (THD+N): 0.30 %
Rack Units (Height): 1
Input:
•Power: 35/55/95W 230V AC nominal, 45-65Hz [120V option available], Fuse values: C7-2 120V – T1.6AL , 230V – T1AL
•Input 1 and 2: 3 way 3.5mm euroblock screw terminal input (supplied) with a balanced microphone and line level operation. Switchable 250Hz low cut filter (network models only). Selectable via rear panel switch
•Microphone/Line: Microphone specification; 200 to 600 ohms, sensitivity -67dBu, Selectable 24V phantom power on microphone only, Line sensitivity -42dBu
•100V Line: 2 way 5mm euroblock screw terminal (supplied), 100V sensitivity +7dBu
Outputs:
•Loop Output Drive Voltage: 20VRMS (28Vpk) at maximum output current per channel
•Loop Output/Drive Current: C5-X; Drive Current: 5ARMS (7Apk) up to 60 seconds continuous 1kHz sine wave, peak >7A per channel, Cont. pink noise 2.3ARMS short term peaks >7A per channel, C7-X; 7ARMS (10Apk) up to 60 seconds continuous 1kHz sine wave, peak >10A per channel, Cont. pink noise 3.3ARMS short term peaks >10A per channel
•Loop Connectors: 4 way 5mm euroblock screw terminal (supplied) for each output, for star-quad configured feed cables
•DC Output: 2 way 3.5mm euroblock screw terminal Re-settable, fuse protected 12V 0.1A. Controllable to reflect amplifier status (network models only)
•Line Output: 3 way 3.5mm euroblock screw terminal (supplied) post AGC balanced output
Additional functions:
•Status: Tri-colour LED: Solid GREEN = normal operation, Flashing GREEN = sleep or standby mode, Flashing RED = error, Flashing AMBER = firmware updating
AUDIO SYSTEM:
•Automatic Gain Control: The AGC is optimised for speech. Dynamic range >36dB
•Metal Loss Correction: Corrects system frequency response issues 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 (network models only). This does not compensate for signal loss from metal structures which can be significant.
•Phase Shift: User selectable (web only) at 0 or 90 degree between outputs