This morning my left hearing aid failed and I found out the problem was the damped earhook. Then I pulled out the cotton like damper out with a pin and got sound but it was pretty louder and caused an imbalance with my right ear and so I’ve used a new backup damped earhook. My right earhook is already undamped to allow more gain.
The cotton like damper removed
I’m not sure why you have an audio damper, looking at your audiogram, the hearing aids must be incorrectly setup?
What is a “damped earhook”? Where does this damper actually attach? Is it on the receiver/speaker? Is it to give a better seal to the receiver in the ear? Your audiogram is about what mine looked like a few years ago, and I’ve never ever even heard of a damped earhook. Would love to know why your audi put one on? 
That white material is meant to help reduce moisture to the hearing aid receiver. I had them removed from my ear hooks to get more gain. I have a hearing aid dryer to reduce moisture inside the aids.
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The filters reduce the peak resonance of the receiver in the tubing. The different coloured ones modify different frequencies. They come from an era before tuning was advanced as it is now.
They can still be used with some aids to stop the response being so ‘perky’.
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Ah, got it! Thanks for that explanation. Perhaps eyesgreendeaf could look into newer techs for that same effect? New aids, or new tech?
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Thanks for expanding my knowledge 
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I didn’t mention my hearing aids. Sorry about that.
I wear phonak naida paradise P30 UP .
My left earhook is damped rigt undamped now.
@Um_bongo , is my right hearing aid under the risk of getting more moisture? I use hearing aid drying capsules at night. I live in a relatively low moisture inland city.
It’s standard to have damped earhooks here. All my hearing aid earhooks in the past were damped.
I’ve found sound of undamped earhooks better sounding but gain in the left ear was too much and caused imbalance with my right ear. My speech perception is mostly from my right ear so I’ve decided to keep the left ear damped
Yes it can travel in to the hearing aid now.
You use a drying beaker but that wasn’t enough as your ear hook blocked.
I take my ear moulds / tubing off the ear hooks every night to give my ear hooks a chance to fully dry.
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Do you leave your hearing aids in a capsule beaker or electric dryer?
Used to use an electric drying dry and store.
Now use a beaker as I’m in and out of hospital.
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After wearing the undamped Xceed for a full day, moisture droplets were seen in the long tube. As I could not pull the tube away from the hook, I switched off the Xceed and put them into air tight jar with desiccant overnight. Next morning, the tube is clear of the moisture droplets.
The Audi show me how to pull the long tube out of the ear hook. Apply a little more pulling force and bent the tube a little. Getting a pair of mould in a couple of weeks.
A 2 inch by 4 inch jam bottle provide a good air tight container for the hearing aids.
No, filters don’t stop water vapour, but they will inhibit droplets.
If you’re worried about moisture stay-dry tubing will help.
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Thanks.
I asked this to another specialist who is an academic in the us and he wrote this
Concerning the earhooks, the damper should not affect the moisture getting into the hearing aid. Instead, the dampers themselves may clog with moisture. In this case, there will be no sound with the hook on but sound with it off. So, an undamped earhook is better for moisture.
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The first bit is saying moisture won’t get into the Aid because of the damper which could clog with moisture.
The second bit is counteracting itself. Not having a damper could result in moisture getting into the Aid because you don’t have a damper in the ear hook to clog with moisture, so where is the moisture going to go? Not an undamped ear hook is better?
There was a thread started by someone else where’s moisture got in to the Aid through the tube and stopped his Aid from working.
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He’s technically correct and not actually at odds with what I said.
The dampers are there for resonance modification. If you flood them, they can inhibit the sound. So his suggestion of an undamped ear-hook is theoretically better and going to be fine until you flood the receiver.
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Thanks.
I’m keeping my left damped and right undamped. I’ll be changing damped earhook every six months. And using drying capsules.
Just be careful tho as you’ve managed to block the ear hook with moisture anyway which means you have a moisture issue despite using a beaker. Moisture can get inside the hearing aid.
I’ve never blocked an ear hook apart when I went swimming and while HAs in locker, they partially blocked.
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