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Lithium battery

Printed From: Graham Slee Hifi System Components
Category: Headphone Audio
Forum Name: Portable Headphone User
Forum Description: Technical Q&A, hints and tips
URL: https://www.hifisystemcomponents.com/forum/forum_posts.asp?TID=449
Printed Date: 27 Mar 2026 at 12:15am
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com


Topic: Lithium battery
Posted By: krismusic
Subject: Lithium battery
Date Posted: 16 Apr 2009 at 11:30pm
Hi, has anyone tried using a non rechargeable lithium battery, such as sold for smoke alarms, in the Voyager?



Replies:
Posted By: mrarroyo
Date Posted: 16 Apr 2009 at 11:47pm
I look forward to Graham's response, being non-technical I would think it should work fine.

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Miguel


Posted By: Graham Slee
Date Posted: 17 Apr 2009 at 1:58am
Originally posted by krismusic krismusic wrote:

Hi, has anyone tried using a non rechargeable lithium battery, such as sold for smoke alarms, in the Voyager?


Can't see a problem - bit pricey though...

G

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That none should be able to park up and enjoy the view without a smartphone and the knowledge in how to use apps


Posted By: krismusic
Date Posted: 17 Apr 2009 at 9:32am
Do you think that there would be a huge increase in battery life though? One thing I don't like about standard batteries, having used them in a walkman, (remember them?!) is that there seemed to be a degradation in sound before the end of the batteries useful life. Is that the case with the Voyager?


Posted By: jamescodway
Date Posted: 17 Apr 2009 at 3:33pm
In the 10+ months since I acquired a Voyager, I have changed the (Duracell) battery only once, though I only run on battery perhaps a few times a week for a an hour or so at a time.

I can't remember exactly how the 1st battery ran out (it was last year) but if there was any sound degradation it was only minutes before the battery went dead.

Anytime I'm not outdoors, I'll use USB charger or PSU.

With the right cans, its great sounding amp... did I mention modded HD25 yet?   ;-)

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Voyager - HD25


Posted By: krismusic
Date Posted: 17 Apr 2009 at 7:13pm
What are these mods?  I've got the Senny 575's, PX100 and Koss Porta Pro's...


Posted By: jamescodway
Date Posted: 17 Apr 2009 at 8:37pm
Originally posted by krismusic krismusic wrote:

What are these mods?  I've got the Senny 575's, PX100 and Koss Porta Pro's...


These are HD 25-specific mods... pretty basic.
- Swap the steel cable for something copper (typically HD650 stock)
- swap pleather for velour pads (eases bass)
- swap split headband for HD25SP band

You get a little less detail and smaller soundstage than, say, HD650, but they have a lot more punch, are more lively and are much more forgiving of poor recording/mastering.

Even with velour, the isolation is still up with the best of mid-range closed back/studio cans and they're robust enough to chuck in the bag and take anywhere

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Voyager - HD25


Posted By: krismusic
Date Posted: 18 Apr 2009 at 9:31pm
Must say, I am pretty pleased with my 575's. First full size cans I have owned. I am sure there is better but these will do for now. Smile I would still be interested to know more about the likely outcome of using the Lithium battery... 


Posted By: iamalexis
Date Posted: 21 Apr 2009 at 5:47pm
Originally posted by jamescodway jamescodway wrote:


These are HD 25-specific mods... pretty basic.
- Swap the steel cable for something copper (typically HD650 stock)
- swap pleather for velour pads (eases bass)
- swap split headband for HD25SP band

You get a little less detail and smaller soundstage than, say, HD650, but they have a lot more punch, are more lively and are much more forgiving of poor recording/mastering.

Even with velour, the isolation is still up with the best of mid-range closed back/studio cans and they're robust enough to chuck in the bag and take anywhere


hello

i'm looking into modding my hd25's having read this. i have been told the capsules don't fit on the hd25sp band. i'm assuming they do as you have done so...do the fit on ok?

thanks


Posted By: jamescodway
Date Posted: 22 Apr 2009 at 8:25pm
/QUOTE]i have been told the capsules don't fit on the hd25sp band. i'm assuming they do as you have done so...do the fit on ok?
[/QUOTE]

Its kind of one of those things where it certainly doesn't look like the 25-1 capsules were designed to fit on the SP headband as the fittings are different to the SP capsules but they do fit well and very firmly, so the ratchet doesn't move too easily (as can be the case on 25-1).

It does require a little more force to get them on the headband but after the first couple of goes, you;ll get the technique...

Good luck. Enjoy. I find the SP headband gives a better angle on my ears for sound and isolation.    

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Voyager - HD25


Posted By: iamalexis
Date Posted: 23 Apr 2009 at 12:41am
Originally posted by jamescodway jamescodway wrote:


Its kind of one of those things where it certainly doesn't look like the 25-1 capsules were designed to fit on the SP headband as the fittings are different to the SP capsules but they do fit well and very firmly, so the ratchet doesn't move too easily (as can be the case on 25-1).

It does require a little more force to get them on the headband but after the first couple of goes, you;ll get the technique...

Good luck. Enjoy. I find the SP headband gives a better angle on my ears for sound and isolation.    


Thanks for the additional info, I'm going to give it a try   



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