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Author Topic: iriver iHP-100: no plugin-power  (Read 5871 times)

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Offline Arni99

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iriver iHP-100: no plugin-power
« on: July 18, 2007, 10:21:16 AM »
my refurbished iHP-100 (with 10GB harddisk) doesn´t provide plugin-power when set to line-in with the latest rockbox-build for the H100-series from July 17th 2007.
purchased it for 72 € + shipping from roadpal (ebay-shop).
http://cgi.ebay.at/ws/eBayISAPI.dll?ViewItem&item=300126600164

is the plugin-power controlled by rockbox or is the unit faulty or does the iHP-100 simply not have the plugin-power feature on it´s line-in?

the iHP-100 looks like the H120 with silver color...same dimensions and in/output connections (optical).


when using my 12V bbox all is fine though.
« Last Edit: July 18, 2007, 03:01:47 PM by Arni99 »
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Offline Liquid Drum

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Re: iriver iHP-100: no plugin-power
« Reply #1 on: July 18, 2007, 11:00:08 AM »
I didn't think they had plugin power did they??

I could be wrong, then again I always use a BB so never tried without...
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Mics:
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Batt-Boxes, Pre-amps:
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Recorders:
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Sony MZ-RH910 Hi-MD

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Offline bonzo71

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Re: iriver iHP-100: no plugin-power
« Reply #2 on: July 18, 2007, 11:47:53 AM »
I also purchased the same unit from this seller and am having the same issue.  Works fine with a preamp or battery box. 
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Offline bonzo71

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Re: iriver iHP-100: no plugin-power
« Reply #3 on: July 18, 2007, 12:42:09 PM »
Quote from: Liquid Drum on July 18, 2007, 11:00:08 AM
I didn't think they had plugin power did they??

I could be wrong, then again I always use a BB so never tried without...

I assumed they did based on the iriver Taper's FAQ where it states they supply 2.5v. However, I think you may be right since I see no rockbox setting to change the line-in to a mic-in.  If there is no way to change, how would the recorder know if you were using line or mic? 
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Offline Arni99

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Re: iriver iHP-100: no plugin-power
« Reply #4 on: July 18, 2007, 02:03:03 PM »
Quote from: bonzo71 on July 18, 2007, 12:42:09 PM
Quote from: Liquid Drum on July 18, 2007, 11:00:08 AM
I didn't think they had plugin power did they??

I could be wrong, then again I always use a BB so never tried without...

I assumed they did based on the iriver Taper's FAQ where it states they supply 2.5v. However, I think you may be right since I see no rockbox setting to change the line-in to a mic-in.  If there is no way to change, how would the recorder know if you were using line or mic? 
rockbox source: "line-in" = usually plugin-power for external mics.
with my H120 and H140 plugin-power was provided.

nevertheless I always use a bbox for powering my mics with 12V, so its not a big issue. ;)

perhaps all iHP-100 models DON´T support plugin-power.

roadpal just mailed me:
"hi,

you need to talk our engineer named "peter"

510-445-0188

thanks for your reply. "

could someone from U.S. call peter? I can´t call abroads with my company-cellphone.......
« Last Edit: July 18, 2007, 02:17:05 PM by Arni99 »
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Offline bonzo71

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Re: iriver iHP-100: no plugin-power
« Reply #5 on: July 18, 2007, 02:16:23 PM »
I agree it is not big deal, but I would still like to know if this is an issue with rockbox, a defective recorder, or a feature that the iHP-100 just doesn't have.  I did not test plug-in power prior to installing rockbox. 
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Offline petur

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Re: iriver iHP-100: no plugin-power
« Reply #6 on: July 18, 2007, 02:28:35 PM »
Rockbox has nothing to do with it, the plug power is always there (even if you select line-in in the original firmware! even if you never record anything with it!)

What I do not know is whether the iHP100 also has it...
(I just asked in our IRC channel)
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kskreider

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Re: iriver iHP-100: no plugin-power
« Reply #7 on: July 18, 2007, 03:12:20 PM »
I drive past Roadpal's place twice a day.  What do you want me to ask?  Whether the line-out puts off a 2.5V signal?

Wow.  On phone with PEter now.  Big time language barrier.  It actually sounds as if Peter is the translator for someone in the background.  BRB.
« Last Edit: July 18, 2007, 03:16:22 PM by DarkStarJedi »
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Offline Arni99

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Re: iriver iHP-100: no plugin-power
« Reply #8 on: July 18, 2007, 03:15:18 PM »
Quote from: DarkStarJedi on July 18, 2007, 03:12:20 PM
I drive past Roadpal's place twice a day.  What do you want me to ask?  Whether the line-out puts off a 2.5V signal?
ask wether the iHP-100 line-IN(not line-out) provides plugin-power as the H120 and H140 does for powering mics with 2,5V.
thx
Arni ;)
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kskreider

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Re: iriver iHP-100: no plugin-power
« Reply #9 on: July 18, 2007, 03:18:43 PM »
He said that it does.  I asked him what voltage it put out and he said he was not sure.  ::)  I would just suggest hacking a cable and grabbing your volt meter.  My guess is that if it is only 2.5V then it is not enough to drive your mics. 

Edit to add: sorry that was not much help.  I tried.
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Offline Arni99

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Re: iriver iHP-100: no plugin-power
« Reply #10 on: July 18, 2007, 03:21:55 PM »
Quote from: DarkStarJedi on July 18, 2007, 03:18:43 PM
He said that it does.  I asked him what voltage it put out and he said he was not sure.  ::)  I would just suggest hacking a cable and grabbing your volt meter.  My guess is that if it is only 2.5V then it is not enough to drive your mics. 

Edit to add: sorry that was not much help.  I tried.
it´s enough power to drive my mics BUT they sound better with 12V of course ;).
the unit simply doesn´t have plugin power...my guess. even the provided iriver-mic is dead when connected.....
« Last Edit: July 18, 2007, 03:34:30 PM by Arni99 »
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Offline bonzo71

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Re: iriver iHP-100: no plugin-power
« Reply #11 on: July 18, 2007, 03:47:10 PM »
Mine also came with an extermal mic..doesn't work.  I've read the iHP-100 Iriver manual and it does not mention Mic-In or mic power.  I think these units don't have mic power. 
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Offline petur

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Re: iriver iHP-100: no plugin-power
« Reply #12 on: July 18, 2007, 08:06:33 PM »
I have asked a fellow dev who has an iHP100 to measure on his unit, I hope to have results on this tomorrow...
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Offline petur

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Re: iriver iHP-100: no plugin-power
« Reply #13 on: July 19, 2007, 03:23:05 AM »
Quote from: petur on July 18, 2007, 08:06:33 PM
I have asked a fellow dev who has an iHP100 to measure on his unit, I hope to have results on this tomorrow...

Ok, so here's the bad news: it seems the iHP100 does not provide plug power.
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Offline Arni99

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Re: iriver iHP-100: no plugin-power
« Reply #14 on: July 19, 2007, 07:27:19 AM »
Quote from: petur on July 19, 2007, 03:23:05 AM
Quote from: petur on July 18, 2007, 08:06:33 PM
I have asked a fellow dev who has an iHP100 to measure on his unit, I hope to have results on this tomorrow...

Ok, so here's the bad news: it seems the iHP100 does not provide plug power.
thx petur ;),
no problem, thats good new and not bad news ;)!
now we know the sold roadpal-units are in good condition and not faulty.

use your 9 or 12V bboxes to power your electret condenser mics properly ;).

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Offline Arni99

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Re: iriver iHP-100: no plugin-power
« Reply #15 on: July 23, 2007, 02:09:26 PM »
although the ihp-h100 does NOT provide plugin-power on line-in like the H120/140/320/340, power consumption is about 50-60% higher than with my former H140...both rockboxed.

the ihp100 can record about 4h15 with the SAME battery my H140 used to record between 8 and 10 hours?!?!
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Offline Gawain

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Re: iriver iHP-100: no plugin-power
« Reply #16 on: July 23, 2007, 02:48:53 PM »
maybe simply a bad battery?? those models are old and maybe the battery has lost most of its power, even if the unit has not been used at all...
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Offline Arni99

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Re: iriver iHP-100: no plugin-power
« Reply #17 on: July 23, 2007, 02:55:01 PM »
Quote from: Gawain on July 23, 2007, 02:48:53 PM
maybe simply a bad battery?? those models are old and maybe the battery has lost most of its power, even if the unit has not been used at all...
i wrote it´s the same battery ;)...disassembled my h140 and put it´s battery into the ihp-100.
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Offline Javier Cinakowski

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Re: iriver iHP-100: no plugin-power
« Reply #18 on: July 23, 2007, 02:59:26 PM »
the ihp100 has poor battery because it has half the ram buffer of the H120.  Thus the HDD spins more often and whatnot...
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Offline Gawain

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Re: iriver iHP-100: no plugin-power
« Reply #19 on: July 24, 2007, 08:02:49 AM »
Quote from: Arni99 on July 23, 2007, 02:55:01 PM
i wrote it´s the same battery ;)...disassembled my h140 and put it´s battery into the ihp-100.
didn't read that :D Fred must be right then, buffer matter :)
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