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19 August 2022
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CANFORD LEVEL LIMITED HEADSETS

Canford has considerable experience in the design of headphone limiters and their use in the operational environment. Whilst virtually any headphone or headset can have a limiter fitted, using one of the seven types of standard multipurpose limiter circuits, this usually has to be in an in-line housing. By designing type-specific circuits for individual ear loudspeakers, these can be made small enough and appropriately shaped to enable them to be built into the earcup housing. Adding a limiter circuit to a headphone alters the input impedance.

For level limited headphones, see CANFORD LEVEL LIMITED HEADPHONES.

Audio-Technica


BPHS1

Closed-back, circumaural stereo headphones have a 560 ohm, cardioid, dynamic microphone on a 180.1mm flexible gooseneck with a frequency range of 40Hz to 20kHz and is designed to pick up vocal sounds whilst reducing the pickup of unwanted background noise. Earpieces of the 65 ohms, frequency response of 20Hz to 20kHz. Detachable cable terminates with 3-pin male XLR (microphone) and 6.35mm, stereo jack (headphones) connection. Supplied limited at 88dBA.

Beyerdynamic


DT109

The DT109 level-limited headsets are available in four versions - two terminated, one unterminated and one without cable (XLR wiring is compatible with Tecpro and RTS intercom systems, see Tecpro Communication System - Headsets product group for details of the wiring conventions):

Code Code Wiring Cable type Plug Spare cable
88dBA 93dBA
- 54-340 - - No cable supplied -
- 54-341 Mono Single-side, straight Neutrik XLR 4-Pin female 54-895
- 54-342 Stereo Single-side, straight Neutrik XLR 5-Pin female 54-896
- 54-343 Stereo Single-side, straight Supplied unterminated 54-873


DT280

Headsets with an extremely low visual profile for improved 'in-shot' appearance, and great comfort for extended wearing. Single muff, hypercardioid dynamic mic. 'XJ' suffix denotes supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack. Supplied wired mono and limited at 88dBA.


DT290

Headsets with an extremely low visual profile for improved 'in-shot' appearance, and great comfort for extended wearing. Dual muff, hypercardioid dynamic mic. 'XJ' suffix denotes supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack. 'XLR5M' suffix denotes supplied with Neutrik NC5MXX 5-pin male (mic pins 1 & 2, common pin 3, ear left pin 4, ear right pin 5).

Code Code Wiring Cable type Plug Spare cable
88dBA 93dBA
54-4066 - Stereo Single-side, straight Neutrik XLR 3-Pin male and Neutrik A-gauge 3 pole jack 54-7371

54-4070 - Stereo Single-side, straight Neutrik XLR 5-Pin Male 54-7367

DT297PV

As DT290 but with cardioid pattern condenser mic. Supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack. Also available with Neutrik NC7MXX connector.

Code Code Wiring Cable type Plug Spare cable
88dBA 93dBA
54-4069 - Stereo Single-side, straight Neutrik XLR 3-Pin male and Neutrik A-gauge 3 pole jack 54-7371
54-4122 - Stereo Single-side, straight Neutrik XLR 7-Pin male -

DT790

The DT790 is a combination of the closed studio headphone DT770, the high-quality dynamic - hypercardioid microphone of the DT 290 with a new pivoting, gooseneck microphone boom.

Code Code Wiring Cable type Plug Spare cable
88dBA 93dBA
54-4076 - Stereo Single-side, straight Supplied unterminated -
54-4077 - Stereo Single-side, straight Neutrik XLR 4-Pin female -
54-4078 - Stereo Single-side, straight Neutrik XLR 5-Pin male -


DT797

As DT790 but with cardioid pattern condenser mic. Supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack, wired mono and limited at 88dBA.

Canford


DMH625

As DMH620 headphones but with 600 ohm dynamic mic. Single-sided, 1.5 metre straight cable, supplied unterminated, or with Neutrik XLR 4-Pin female or Neutrik XLR 5-Pin male. Supplied limited at 88dBA. Spare parts available. Cable colours: Blue - ear left positive; Green - ear right positive; Black - ear left and right negative; Red – mic positive; Bare – mic negative.

Code Code Wiring Cable type Plug Spare cable
88dBA 93dBA
54-4046 - Stereo Single-side, straight Supplied unterminated -
54-4047 - Mono Single-side, straight Neutrik XLR 4-Pin female -
54-4048 - Stereo Single-side, straight Neutrik XLR 5-Pin male -

Sennheiser


HMD 26-II

This lightweight headset features a dynamic, hyper-cardioid, 300ohm microphone with a response of 40Hz-16kHz. The closed-ear, supra-aural, headsets are designed for use in TV and radio broadcast applications, with high maximum SPL and high wearing comfort, in combination with a good noise attenuation and a frequency response of 20Hz-18kHz. The flexible gooseneck microphone boom, which can be used either on the left or right-hand side, is muted when the boom position is upright. Coiled lead, supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack, wired stereo and limited at 88dBA.


HMD 46-31

Sennheiser HMD 46-31 headsets have a dynamic microphone with noise compensation and a frequency response up to 12kHz. Designed for use in air traffic control applications, these lightweight headsets have high soft ear pads for high wearing comfort.

Code Code Wiring Cable type Plug Spare cable
88dBA 93dBA
54-4084 - Stereo Single-side, coiled LEMO 5-pin male -
54-4088 - Mono Single-side, coiled Neutrik XLR 4-Pin female -
54-4087 - Mono Single-side, straight Neutrik XLR 5-Pin male -
Limited spare leads
Code Code Wiring Cable type Plug
88dBA 93dBA
54-4092 - Stereo Single-side, coiled Neutrik XLR 3-Pin male and Neutrik A-gauge 3 pole jack  
54-4093 - Stereo Single-side, coiled LEMO 5-pin male  
54-4094 - Mono Single-side, coiled Neutrik XLR 4-Pin female -
54-4095 - Mono Single-side, straight Neutrik XLR 4-Pin female -
Notes

1) The quoted limit level of 93dBA, 88dBA and 85dBA is for measurement using dummy head (or mannequin) systems. For measurements using flat plate calibrators the level will differ. Health and Safety authorities are more inclined to use the dummy head type measurement.

Spares

Certain ear loudspeakers and cables are listed as spares in a group. For further information, see CANFORD LEVEL LIMITED HEADPHONES AND HEADSETS Spare parts.

  Description Price £
ex. VAT
Add to basket
Delivery
CANFORD LEVEL LIMITED HEADSET BPHS1 88dBA, wired stereo, XLR 3M, 3-pole A-gauge plug, inline limiter Stock code: 54-4123
Assembled to order, cancellations may incur charges, available in 1‑2 weeks. Need it sooner? Call us
£283.00
CANFORD LEVEL LIMITED HEADSET DT109 93dBA, without cable Stock code: 54-340
Assembled to order, cancellations may incur charges, available in 1‑2 weeks. Need it sooner? Call us
£397.40
CANFORD LEVEL LIMITED HEADSET DT109 93dBA, wired mono, with XLR 4-pin female Stock code: 54-341
Assembled to order, cancellations may incur charges, available in 1‑2 weeks. Need it sooner? Call us
£401.60
CANFORD LEVEL LIMITED HEADSET DT109 93dBA, wired stereo, with XLR 5-pin female Stock code: 54-342
Assembled to order, cancellations may incur charges, available in 1‑2 months. Need it sooner? Call us
£402.00
CANFORD LEVEL LIMITED HEADSET DT109 93dBA, unterminated Stock code: 54-343
Assembled to order, cancellations may incur charges, available in 1‑2 weeks. Need it sooner? Call us
£397.40
CANFORD LEVEL LIMITED HEADSET DT280XJ 88dBA, wired mono, XLR 3/M and 3-pole A-gauge plug Stock code: 54-4068
Assembled to order, cancellations may incur charges, available in 1‑2 weeks. Need it sooner? Call us
£431.20
CANFORD LEVEL LIMITED HEADSET DT290XJ 88dBA, wired stereo, XLR 3/M and 3-pole A-gauge plug Stock code: 54-4066
Assembled to order, available in 1‑2 weeks. Need it sooner? Call us
£520.00
CANFORD LEVEL LIMITED HEADSET DT290XLR5M 88dBA, wired stereo, XLR 5/M Stock code: 54-4070
2 in stock. Need more?
£526.00
CANFORD LEVEL LIMITED HEADSET DT297PV 88dBA, wired stereo, XLR 3/M and 3-pole A-gauge plug Stock code: 54-4069
Assembled to order, cancellations may incur charges, available in 1‑2 weeks. Need it sooner? Call us
£554.00
CANFORD LEVEL LIMITED HEADSET DT297PV 88dBA, wired stereo, coiled cable, NC7MXX Stock code: 54-4122
This item is discontinued. Please contact Technical Support for advice on alternatives.
CANFORD LEVEL LIMITED HEADSET DT790 88dBA, 200 ohms mic, wired stereo, 1.5m cable unterminated Stock code: 54-4076
Assembled to order, cancellations may incur charges, available in Call.
£487.00
CANFORD LEVEL LIMITED HEADSET DT790 88dBA, 200 ohms mic, wired mono, 1.5m cable with XLR4F Stock code: 54-4077
Assembled to order, cancellations may incur charges, available in Call.
£487.10
CANFORD LEVEL LIMITED HEADSET DT790 80 ohms 88dBA, 200 ohms mic, wired stereo, 1.5m cable with XLR5M Stock code: 54-4078
Assembled to order, cancellations may incur charges, available in Call.
£492.20
CANFORD LEVEL LIMITED HEADSET DT797 88dBA, 300 ohms electret mic, mono, 1.5m, XLR 3M, A-gauge plug Stock code: 54-4079
Assembled to order, cancellations may incur charges, available in 1‑2 months. Need it sooner? Call us
£520.00
CANFORD LEVEL LIMITED HEADSET DMH625 88dBA, wired stereo, straight cable, unterminated Stock code: 54-4046
4 in stock. Need more?
£65.53
CANFORD LEVEL LIMITED HEADSET DMH625 88dBA, wired mono, straight cable, XLR4F Stock code: 54-4047
Assembled to order, available in 1‑2 weeks. Need it sooner? Call us
£79.98
CANFORD LEVEL LIMITED HEADSET DMH625 88dBA, wired stereo, straight cable, XLR5M Stock code: 54-4048
Assembled to order, available in Call.
£82.36
CANFORD LEVEL LIMITED HEADSET HMD26-II 88dBA, coiled, wired stereo, XLR 3/M, 3-pole A-gauge plug Stock code: 54-4081
Assembled to order, cancellations may incur charges, available in Call.
£817.00
CANFORD LEVEL LIMITED HEADSET HMD46-31 88dBA, wired stereo, Lemo 5 pin male (Wood and Douglas Duo) Stock code: 54-4084
Assembled to order, cancellations may incur charges, available in 2‑3 weeks. Need it sooner? Call us
£573.00
CANFORD LEVEL LIMITED HEADSET HMD46-31 88dBA, wired mono, coiled cable, XLR 4/F Stock code: 54-4088
Assembled to order, cancellations may incur charges, available in Call.
£553.00
CANFORD LEVEL LIMITED HEADSET HMD46-31 88dBA, wired mono, straight cable, XLR 4/F Stock code: 54-4087
Assembled to order, cancellations may incur charges, available in 3‑4 weeks. Need it sooner? Call us
£553.00