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16 November 2024

TECPRO DT109 Dual muff headset

Stock code
27-109
Brand
Tecpro
Model number
  • DT109
TECPRO DT109 Dual muff headset
TECPRO DT109 Dual muff headsetTECPRO DT109 Dual muff headsetTECPRO DT109 Dual muff headset

TECPRO COMMUNICATION SYSTEM - Headsets

DMH320 Dual muff & SMH310 Single muff

  • New generation high performance headsets specifically designed for communications use
  • Retains the renowned durability and comfort of the 200 series
  • Very robust construction, made from unbreakable flexible composite material
  • Similar construction to 200 series, spare parts also available
  • Dual-chamber foam-filled earshells, larger than 200 series for wearing comfort
  • High acoustic isolation on DMH320 for reduced ear fatigue
  • Extended response ear loudspeakers
  • Broadcast quality noise-cancelling dynamic microphone
  • New boom design allows use with boom at left or right hand side
  • Mic switched off by swinging boom upwards
  • Boom can be bent into optimum position to suit the wearer
Technical Specification
Nominal impedance: 400 ohm each at 1kHz
Frequency response: 40–14,400Hz
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 365g
SMH310 240g
Cable: 1.8m (balanced mic with separate left and right ear loudspeakers);
27-320 uses an XLR 4-pin female cable connector
27-323 uses a NC5FXX XLR 5-pin female cable connector
27-310 uses an XLR 4-pin female cable connector

For spare parts for 300 series headsets, see CANFORD AND TECPRO HEADPHONE AND HEADSET SPARE PARTS - 300 Series

DMH220 Dual muff & SMH210 Single muff

  • Very robust construction with only two moving joints
  • Hidden fixings hinder tampering whilst allowing easy repairs
  • Full range of spare parts available
  • Noise cancelling microphone on flexible steel-reinforced boom
  • Steel core cable for extra strength
  • Soft comfortable cushions
  • Wide, smooth response for reduced listening fatigue
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
Nominal impedance: 200 ohm at 1kHz
Frequency response: 300–11,000Hz
Approx. weight: DMH220 250g
SMH210 210g
Cable: 1.5m steel braced;
27-220 uses an XLR 4-pin female cable connector
27-223 uses a NC5FXX XLR 5-pin female cable connector
27-210 uses an XLR 4-pin female cable connector

For spare parts for 200 series headsets, see CANFORD AND TECPRO HEADSET SPARE PARTS - 200 series

DMH135 Dual muff

The DMH135 offers professional users maximum comfort during extended periods of comms work. This super light-weight headset is robust, and is compatible with Tecpro and most other intercom systems that use XLR 4 pin connectors for headset connection. Supple ear pads and swivel earcups provide a good acoustic seal, while the fully adjustable headband ensures a good fit, with low clamping force for reduced user fatigue.

Full features include:

  • Lightweight, 'closed ear' 32 ohm headset
  • Adjustable elastic headband
  • Swivel earcups
  • Soft comfortable cushions
  • 600 ohm dynamic mic
  • 1.5 metre straight cable, uses an XLR 4-pin female cable connector

Please note: The 27-135 DMH135 is suitable for use with Tecpro and other party line systems, BUT NOT suitable for use with digital intercom systems like Green-GO, due to crosstalk sensitivity.

For spare parts for 100 series headsets, see TECPRO HEADPHONE AND HEADSET SPARE PARTS - 100 Series

Wiring Conventions

Headset connectors
XLR 4 pin
Pin 1 Microphone earth/screen
Pin 2 Microphone signal
Pin 3 Earphones earth/screen
Pin 4 Earphones signal
XLR 5 pin (BP116 and BP117 only)
Pin 1 Microphone earth/screen
Pin 2 Microphone signal
Pin 3 Earphones earth/screen
Pin 4 Left earphone signal
Pin 5 Right earphone signal