Ampetronic C5-1N
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Ampetronic C5-1N

The Ampetronic C5-1N perimeter induction loop driver features digital signal processing with network functionality as well as fast, accurate setup and adjustment via a simple user interface.

The C5-1N features a 5 Amp RMS current loop output, plus ample voltage headroom, making it suitable for a wide range of applications. Two balanced inputs are provided for either line or mic level operation. (Input 2 can alternatively be used for 100V line operation.

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. Class ‘D’ drivers ensure low running and maintenance costs.

Network connection enables 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.

Unique, multi-stage filtering ensures compatibility with other systems and global EMC regulations. These products are designed to form part of a system that can meet all of the requirements of the international loop performance standard IEC60118-4, and the relevant parts of IEC TR 63079.


  • Simple digital interface for accurate adjustment
  • Network functionality
  • Built-in test tones
  • Compatible with Loopworks Measure LoopLink for direct and automated driver control
  • Clear indicators and system diagnostics
  • Compact 1U rack mount unit with internal power supply
  • 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
1U Loop
List Ex VAT: £677.60
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Input 1 & 2

3 way 3.5mm euroblock screw terminal input (supplied) with a balanced microphone and line level operation, selectable via rear panel switch.
Switchable 250Hz low cut filter.
Priority input option (network models only).

Microphone / Line

Microphone specification; 200 – 600Ω, sensitivity -67dBu.
Selectable 24V phantom power on microphone only.
Line sensitivity -42dBu.
Max line level 17Bu. Max mic level -8dBu.

100V Line
(Input 2 only)

2 way 5mm euroblock screw terminal (supplied)
Sensitivity +7dBu


RJ45 Ethernet, control and monitoring.
Hosted web server, Telnet & SNMP.



Loop Connectors

4 way 5mm euroblock screw terminal (supplied) for each output, for twisted pair or star-quad configured feed cables

DC Output*

2 way 3.5mm euroblock screw terminal (supplied).
Re-settable, fuse protected 12V 0.1A.
Controllable to reflect amplifier status (network models only)

Status Relay
(C10 and C14)

2 way 3.5mm euroblock screw terminal (supplied).
Normally closed isolated relay contacts, open in fault conditions.
Rated load 0.5A at 125VAC, 2A at 30VDC.

Line Output

3 way 3.5mm euroblock screw terminal (supplied) post AGC balanced output


Firmware updates or power for wireless router (200mA max).



Output Current

5ARMS (7.1 Apk) 1kHz sine


20VRMS (28.3Vpk)

Power Consumption

35W (mains voltage switchable)


Full width 1U 19″ rack mount.
Width 430mm  Height 44mm  Depth inc. knob: 190mm 



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