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SIGNET PDA200/2 INDUCTION LOOP AMPLIFIER Free standing, for areas up to 200m2
SIGNET PDA200/2 INDUCTION LOOP AMPLIFIER Free standing, for areas up to 200m2SIGNET PDA200/2 INDUCTION LOOP AMPLIFIER Free standing, for areas up to 200m2SIGNET PDA/RM-19 RACK MOUNT Kit for PDA-PRO amplifier

Signet’s PDA and PRO series of single loop amplifiers have been designed and manufactured in the UK to suit areas up to 1000 square metres such as meeting rooms, offices, churches, classrooms, or theatres. This series of AFILS loop amplifiers are also available as wallmount amplifiers, see SIGNET AFILS LOOP AMPLIFIERS - Single loop, wallmount


PDA5/SD, PDA7/SD, PDA11/SD - LED interface

PDA5, PDA7, and PDA11 constant current amplifiers feature single loop amplifier technology to give coverage and support to perimeter loop systems. An LED interface along with four membrane control buttons aids navigation and easy setup, whilst also giving clear indication of operation and fault status.

Model coverage

PDA5/SD 4.75 Amp 200m2 (approx. 14 x 14m)
PDA7/SD 7.5 Amp 500m2 (approx. 22 x 22m)
PDA11/SD 11 Amp 1000m2 (approx. 31 x 31m)

All models have the same front panel functionality, and rear panel connectivity including 2x selectable mic/line inputs on 3-pin XLR connector, 1x outreach input via 4-way Phoenix connector for connection to up to ten compatible outreach plates, see SIGNET AFILS LOOP AMPLIFIER SYSTEMS - Accessories - Outreach Plates; loop output on 2 way binding post, and line output on 3-way Phoenix connector. There is also a 3-way Phoenix connector for fault relay, and a mains IEC connection.

Input sensitivity: -20dBU typical, line; -42dBU typical, mic. Outreach input sensitivity: 0dBU. Outreach input impedance: >10k. Outreach power: 24V DC, 100mA max. Loop output voltage: 14V. Line output: 775mV. Metal compensation: up to 10dB. Frequency response: 100Hz – 5kHz, -3dB. Distortion: Less than 1%. Signal to noise: Better than -65dB. AGC range: 10dB, 3dB change in output voltage current. AGC ratio: 20:1. IP rating: IP40. Dimensions (HxWxD): 67 x 218 x 280mm. Weight: 2.38kg.


PRO5/SD, PRO7/SD, PRO11/SD - OLED display

PRO5, PRO7, and PRO11 have the same functionality as the PDA5, PDA7, and PDA11 amplifiers above, however in place of the LED interface is an OLED display giving more in-depth information, ease of setup, and fault and diagnostics feedback.

Model coverage

PRO5/SD 4.75 Amp 200m2 (approx. 14 x 14m)
PRO7/SD 7.5 Amp 500m2 (approx. 22 x 22m)
PRO11/SD 11 Amp 1000m2 (approx. 31 x 31m)


PDA200/2, PDA500/2, PDA1000/2

Designed for installations in theatres, churches, and conference halls, the PDA Pro-Range of audio frequency induction loop systems (AFILS) offers amplifiers to cover three maximum areas, 200, 500 and 1000 square metres. Each of the three models has 3-pin XLR connectors for two input channels, one at microphone level and one switchable between microphone and line level. A four way connector block allows the connection of up to ten SigNET outreach plates to increase the audio input and output capability of the amplifiers.

The front panel of the amplifier has level controls for the two microphone inputs and Outreach panel input channel. along with a level control to adjust the strength of the magnetic field generated and a metal compensation control to help combat any frequency response issues normally caused when excessive metal absorbs the magnetic field. A 3.5mm jack socket for headphones allows the user to monitor the audio output signal and a current meter, along with a two LED visual representation of the amplifier's compression, gives the user performance information at a glance.

Although the amplifiers are designed to be free-standing, the user can use the PDA/WM wall mounting hardware or PDA/RM rack mounting kit to enable alternative fixing.

Common specifications: Inputs: 2x 3-pin XLR, 1x microphone, 1x microphone/line; 1x Outreach socket. Indicators: Input level, loop current meter, power on. Controls: 3x input level controls, loop drive, metal compensation, on/off switch. Frequency response: 20Hz - 14kHz +/- 3dB. Operating Conditions: -5 to +40 degrees Celsius. Dimensions (w x h x d): 380 x 80 x 220mm.

PDA200/2 PDA500/2 PDA1000/2
Coverage (Square) 200m sq. 500m sq. 1000m sq.
Coverage (Rectangular) 240m sq. 600m sq. 1100m sq.
Peak loop drive current 8 Amps at 1 ohm 12 Amps at 1 ohm 14 Amps at 1 ohm
Weight 3.74kg 3.46kg 4.54kg

Optional accessories: See Signet AFILS Loop Amplifier Systems - Accessories - Microphones and see SIGNET AFILS LOOP AMPLIFIER SYSTEMS - Accessories - Outreach Plates for alternative or extra microphones, input plates and 'AFILS Active' indicator.

  Description Price £
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SIGNET PDA5/SD INDUCTION LOOP AMPLIFIER Desktop, LED display, for areas up to 200m2 Stock code: 93-8211
Please login for stock availability and lead times.
£301.70
SIGNET PDA7/SD INDUCTION LOOP AMPLIFIER Desktop, LED display, for areas up to 500m2 Stock code: 93-8212
Please login for stock availability and lead times.
£322.30
SIGNET PDA11/SD INDUCTION LOOP AMPLIFIER Desktop, LED display, for areas up to 1000m2 Stock code: 93-8213
Please login for stock availability and lead times.
£331.20
SIGNET PRO5/SD INDUCTION LOOP AMPLIFIER Desktop, graphical display, for areas up to 200m2 Stock code: 93-8227
Please login for stock availability and lead times.
£349.90
SIGNET PRO7/SD INDUCTION LOOP AMPLIFIER Desktop, graphical display, for areas up to 500m2 Stock code: 93-8228
Please login for stock availability and lead times.
£370.50
SIGNET PRO11/SD INDUCTION LOOP AMPLIFIER Desktop, graphical display, for areas up to 1000m2 Stock code: 93-8229
Please login for stock availability and lead times.
£379.50
SIGNET PDA/RM3 RACK MOUNT Kit for PDA amplifier Stock code: 93-8219
Please login for stock availability and lead times.
£45.77
SIGNET PDA200/2 INDUCTION LOOP AMPLIFIER Free standing, for areas up to 200m2 Stock code: 93-8265
No longer manufactured. See the product page for suggested alternatives.
SIGNET PDA500/2 INDUCTION LOOP AMPLIFIER Free standing, for areas up to 500m2 Stock code: 93-8266
No longer manufactured. See the product page for suggested alternatives.
SIGNET PDA1000/2 INDUCTION LOOP AMPLIFIER Free standing, for areas up to 900m2 Stock code: 93-8267
No longer manufactured. See the product page for suggested alternatives.
SIGNET PDA/RM-19 RACK MOUNT Kit for PDA-PRO amplifier Stock code: 93-8268
No longer manufactured. See the product page for suggested alternatives.
SIGNET PDA/WM WALL MOUNT Kit for PDA-PRO amplifier Stock code: 93-8269
No longer manufactured. Please contact Technical Support for advice on alternatives.