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HM40 Headset

 
Our Price 130.80 (109.00 ex. VAT)
 
Quantity
 


The Classic HM40 Headset is back!!

This headset since its introduction has grown to be very popular with flying schools, private pilots and other users in high noise environments. This popularity is due to its superb passive noise reduction capabilities and strong construction whilst only weighing 16 oz. It has an electret noise cancelling microphone mounted on a flexible 'rubber duck' boom. The earseals are liquid filled to affect a close fit and the headband is air foam filled. The cable is of a reinforced construction and the headset is supplied with microphone sock and cloth ear covers.

FEATURES
•23dB Passive Attenuation
•Military Spec. Cabling
•Volume Control
•Slimline Electret Mic
•Flexible Mic Boom
•Air Foam Filled Headband
•Cloth Earcovers
•Padded Headset Case
•Mic Sock
•Liquid Filled Earseals

SPECIFICATIONS
Headphone:
•Type: Dynamic (F50)
•Frequency Response:100Hz to 8 kHz
•Sensitivity:95+/-5 dB SPL
•(1 kHz, 1 mW input per earcup side)
•full volume on ear simulator
•Impedance:150 ohms (300 ohms each; wired in parallel)
•Rate Input:100mW
•Max. Input: 250mW
•Microphone and Amplifier:
•Element Type: Noise-canceling electret
•Frequency Response:100Hz to 5 kHz
•Operating Voltage (supplied by aircraft ):8-32 Volts DC
•Matching Impedance: 150-1000 ohms
•Sensitivity:-33+/-4 dB
•(ref: 0dB SPL=20.0uPa at 1 kHz with 10 Vdc 150 ohms AC load)

General
•Operating Temperature: -20 to 70 C
•Cordage: Straight cord from headset to molded plug, 130CM
•Intercom Connections Plug:
•Earphone Plug: PJ-055( .25"F6.3 phone plug)
•Microphone Plug:PJ-068( .206"F5.2 phone plug)
•Weights: 530g
•Headset size range Height: 10 to 14 cm
•Boom: Spring tension boom
Feefo Reviews
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All products I have bought from Mendelssohns have been of high quality and well up to my expectations.
(Verified Customer)
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An extremely pro-active company who you can actually speak to and discuss products and your needs. They are very knowledgeable. They have an excel;lent repair and update facility.
John Stanley
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Delightful to deal with. Friendly, efficient service, great prices and quick delivery. Couldn't ask for more. Very satisfied. Many thanks.
Paul Walton, Buckinghamshire

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We are an EASA part 145 approved organisation. Our policy is to sell only high quality products which offer good value for money. If you are not completely satisfied with your purchase please return the goods in original condition and packaging within 28 days of purchase for replacement, exchange, or a full no quibble refund.

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