HM-901
Aug 19, 2013 at 7:05 PM Post #1,547 of 3,522
HM801 had EQ with some older firmware versions, but not with the latest firmware.


Actually I have the latest (0.23) and it does have eq. Significantly brings down audio quality though so it might as well not be there.
 
Aug 19, 2013 at 7:08 PM Post #1,548 of 3,522
External battery charger and line out cable now available at HeadDirect web store.


Am I seeing this right- it's just a battery dock and so you STILL cannot charge an external battery while your current unit is plugged in??
 
Aug 19, 2013 at 11:42 PM Post #1,550 of 3,522
Are you sure? The picture shows only the battery dock.
 
Aug 20, 2013 at 3:18 AM Post #1,553 of 3,522
I just confirmed with Hifiman.
 
With a ":frowning2:", they told me that this does not come with the charger (which is the adapter that we have). It's just a dock, which must be plugged into the charger.
 
In short you can only charge either this or the HM901 at the same time. You cannot charge both.
 
Aug 20, 2013 at 7:02 AM Post #1,554 of 3,522
Looks like you can buy the cradle, the battery, and/or the charger module individually.  If you want to charge a battery outside of the 901, you would just need the cradle, and use  your own battery and charger. If you want a spare battery for longer play-time, you would buy the cradle and an additional battery and use your charger.  You just have to make sure that one is charged while the other one is charging.
 
I suppose you could buy the battery, charger, and cradle, and be able to charge them both at the same time - but how often would that be necessary?  I would imagine that these batteries require "smart" charging, and the current charging unit is probably not equipped to monitor 2 batteries at the same time and adjust their charging cycles accordingly - we're talking a small, specialist audio company, not HP, Canon, Nikon, etc......
 
 
I'd love a pmp the size of a credit card, with a 9" screen, 6 month battery life, able to drive 86 dB speakers, 1 Tbyte of storage, DSP eq of actual in-ear response with specific iems, thought-control, and at a retail price of $99.99
 
sorry for the rant.  It's nice to wish and want - let's try to be a bit more realistic.....  now, where's  my credit card for that cradle and battery....
 
Aug 20, 2013 at 9:45 AM Post #1,556 of 3,522
Looks like you can buy the cradle, the battery, and/or the charger module individually.  If you want to charge a battery outside of the 901, you would just need the cradle, and use  your own battery and charger. If you want a spare battery for longer play-time, you would buy the cradle and an additional battery and use your charger.  You just have to make sure that one is charged while the other one is charging.

I suppose you could buy the battery, charger, and cradle, and be able to charge them both at the same time - but how often would that be necessary?  I would imagine that these batteries require "smart" charging, and the current charging unit is probably not equipped to monitor 2 batteries at the same time and adjust their charging cycles accordingly - we're talking a small, specialist audio company, not HP, Canon, Nikon, etc......


I'd love a pmp the size of a credit card, with a 9" screen, 6 month battery life, able to drive 86 dB speakers, 1 Tbyte of storage, DSP eq of actual in-ear response with specific iems, thought-control, and at a retail price of $99.99

sorry for the rant.  It's nice to wish and want - let's try to be a bit more realistic.....  now, where's  my credit card for that cradle and battery....


My use case is (and this is not hypothetical- ive bought a second battery because it happens to me all the time)- I'm traveling. I run out of battery. I plonk in the other one. Finally I get to my hotel and want to charge both batteries.

I can't do it with this external "charger" they are selling.
 
Aug 20, 2013 at 9:46 AM Post #1,557 of 3,522
What are you folks doing for a case? (I never understood why HiFiMan doesn't make one)


I've seen some cases being sold in china. But I didn't get them because I worry about heat dissipation with my balanced amp.
 
Aug 20, 2013 at 9:48 AM Post #1,558 of 3,522
I've seen some cases being sold in china. But I didn't get them because I worry about heat dissipation with my balanced amp.


I didn't buy simply becoz they are SO UGLY
 
Aug 20, 2013 at 11:21 AM Post #1,560 of 3,522
Quote:
My use case is (and this is not hypothetical- ive bought a second battery because it happens to me all the time)- I'm traveling. I run out of battery. I plonk in the other one. Finally I get to my hotel and want to charge both batteries.

I can't do it with this external "charger" they are selling.

Point taken.  I was just being a bit frisky when I typed it.  I guess your options would be two chargers, or one charger, one cradle, and 3 batteries, and charge them sequentially.  I am not sure what specific circuitry a dual charger would require, and how much it would cost.  It's not that I don;t see the point of it, but it might not cost less than 2 of the standard ones.
 

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