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Frequently Asked Questions

FAQ's - Communication Problems

This covers a small number of questions. If you need any additional help please do not hesitate to contact us.

When I plug my military helicopter helmet into my general aviation radio, I can hear but I can't transmit. What is wrong?

Your military helmet has a 5 ohm dynamic microphone and 19 ohm dynamic earphone elements. Your general aviation radio needs a carbon-compatible microphone & 150 ohm to 600 ohm receivers. The best solution would be to purchase a new electret microphone ($65.00) backed by an 18 month guarantee.

My dynamic microphone does not work. Can you provide any solutions?

Add an amplifier to your dynamic microphone. This is an expensive alternative and only recommended for special purposes.

What can be done about poor reception and low volume?

Purchase a new pair of 300 ohm speakers ($35.00) backed by an 18 month guarantee.

Alternate Solution: Keep your old speakers. This presents two problems. First you will never get max volume from these earphones. Second, because your impedance at the plug is 9.5 ohms, your radio reads this as 15 headsets and draws down the power to the other headsets in your system, so the others with you cannot hear!

If this is an older model helicopter helmet you should remove the Sonex ear cups and replace them with the newer style crushable ear cups. A way to tell the difference is that the crushable have 8 tabs holding them into the ear cup retainer. The Sonex ear cups do not. This simple $45.00 solution provides your helmet with enhanced lateral protection. They are also contoured for a better fit and are found to be lighter & quieter.

FAQ's - Helmets

This covers a small number of questions. If you need any additional help please do not hesitate to contact us.

Can you rebuild other manufacturers helmets?

Yes! We will happily rebuild your old HGU or SPH style helmet for a lot less then you would expect to pay.

Do you use parts from manufacturers other then Gentex and Scott?

Absolutely. Although we use many of the same subcontractors as our competitors, we are constantly researching new manufacturing facilities to provide our customers with the best value.

Do you have any new surplus helmets in stock?

Yes. We sell high quality new military surplus helmets & we sell our own brand of fighter and helicopter helmets. We use only top quality microphones, earphones and cables.

Do you offer any type of guarantee?

You will be 100% satisfied with your helmet purchase from Government Sales, Inc.

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