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Canford Tecpro MS721 Master Station



Canford Tecpro PS711 3 Circuit Power Supply








Canford Tecpro BP111 Beltpack




Canford Tecpro SMH210 Single muff headset




Canford Tecpro MS721 Master Station


MS721 two circuit master station with

2 independent intercom circuits.

Outputs: 2 circuits (A & B)

Power: UK/Eur 200-260V

Intercom o/p: 0.64A continuous (16 outstations) per circuit

Headset speakers: 8 ohm to 4K ohm

Headset mic: 200 ohm to 600 ohm dynamic (limiter present in circuit)

Aux Audio mic input: 200 ohm mic

Aux Audio Line level: Unbalanced (Option of Balanced) 10k ohm impedance 25mV max.


Illuminated call switches. Linkable circuits. Two headset terminals each with headset and microphone volume. MS721 is capable of powering up to 16 belt packs or outstations per circuit.

2u 19” rack mounting.  


Canford Tecpro PS711 3 Circuit Power Supply




·         Table top

·         Continuously rated at maximum power

·         DC output fully protected

·         No manual resetting after short circuit

·         XLR connectors - compatible with standard mic cables

·         Up to 3 independent circuits

·         Recessed controls – prevents damage if dropped


The PS711 is a power supply which serves as the system master in small, simple systems. Three separate communications circuits are provided. These can be linked by silent acting front panel switches in any combination. Up to 16 headset outstations, or a mix of headset and loudspeaker stations can be operated. The PS711 is rated to support these even in the event that the signal lamps on the system are permanently illuminated. The PS711 is protected against short-circuits, over-temperature and reverse voltages and is designed to survive the rigours of use in temporary installations.  The PS711 may be chained into a circuit with any other Tecpro master stations or power supplies to boost the system drive capability using the BA905 boost adaptor.


Technical Specification:

Power requirements: 100–130 or 200–260 V AC (internally selected), 45-65Hz (captive cable).

Output: 24V DC, fully protected. 0.64 A continuous – 16 headset stations total across rings. Maximum any one ring – 16 stations.

Comms line: 200 ohm audio, 5k ohm DC.


Canford Tecpro BP111 Beltpack




Single circuit


•    Robust extruded aluminium case – virtually indestructible

•    Recessed controls and connectors – prevents breakage

•    XLR 3 pin connectors – compatible with standard mic cables

•    Rugged, non-tangle beltclip – also useful for wallhanging

•    Specially moulded glass filled nylon bezel protects the unit when dropped

•    Limiter on mic amp – prevents distortion due to overload

•    Mic on-off switch – prevents unwanted noise on circuit

•    Black finish – minimises visibility in stage applications

•    Coloured bezels available as spare parts to enable colour coding of beltpacks


The BP111 Headset Outstation is a tough, light-weight remote station suitable for use free standing or hung on the belt or wall. It has been designed to withstand portable use where care is not always taken by the user.  The operator has a headphone volume control, mic on-off switch, and a signal light/switch for attracting the attention of other users on the same circuit. A pre-set adjustment is provided for the level of the user’s voice in his own headphone (sidetone).


All connections to the unit are via XLR type connectors, rather than wired-in leads.  This means that cable failures can be overcome by unplugging the faulty lead or headset rather than rewiring the box. All connections are on the bottom, making the unit more comfortable when clipped to the belt.


The high ‘bridging impedance’ of the unit ensures that side-tone and system sound levels are not altered as outstations are switched on and off the circuit.  The frequency response of the unit is carefully shaped to provide the optimum in both intelligibility and long term aural comfort.


Technical Specification:

Power requirements: 24/30V DC, 10mA quiescent. 40mA max with Signal lamp on.

Headphone output: Suits 8 ohm to 4k ohm headphones.

Microphone input: Suits 200 ohm to 600 ohm dynamic microphones.

Sidetone rejection: Up to 45dB.

Connectors: XLR 3 pin male and female – system loop through XLR 4 pin male for headset.

Dimensions: 107 x93 x50mm.

Weight: 400g

Construction: Black anodised extruded case with glass-filled nylon bezels for protection.



Canford Tecpro SMH210 Single muff headset




•    Standard high performance headsets specifically designed for communications use

•    Very robust construction, made from unbreakable flexible composite material

•    Extended response ear loudspeakers

•    Broadcast quality noise-cancelling dynamic microphone

•    New boom design allows use with boom at left or right hand side

•    Boom can be bent into optimum position to suit the wearer


Technical Specification:

Nominal impedance: 400 ohm each at 1kHz

Frequency response: 20–20,000Hz

Sensitivity: 94dB s.p.l. for 1mW

Distortion: Less than 0.5%

Max. rated power handling: 0.5 watts

Microphone: Dynamic type, uni-directional, wired balanced

Nominal impedance: 200 ohm at 1kHz

Frequency response: 40–15,000Hz

Approx. weight: DMH320 350g

SMH310 220g

Cable: 1.8m (balanced mic with separate left and right ear loudspeakers)  





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