Leaving it on the charge switch shouldn't make a difference, and you don't need to unplug the battery when changing opamps (though giving it some time for the caps to discharge would be a good idea). I think maybe your battery is just near the end of its life. The best bet is to send iBasso an email.
The D10 should drive your HD-800 OK unless you listen at high volume levels. The D10 output is rather limited due to the low supply voltage. The HD-800 does have a reputation for being picky about what amps it sounds good with. It is worth a try before spending any more money.
Recently, I've brought the D10 into my audio rig:
Nationite S:Flo2 -> Whiplash Audio Hybrid TWAg-TWCu mini-to-mini -> iBasso D10 -> Grado HF-2 phones
and it adds SUCH a lovely increase in the abundance of rich lushness to the sound in the music to which I listen using it.
Substitute the HD650 for the Grado HF-2, and the result is a little different (less lushness and greater crystalline clarity),
and no less strikingly engaging a listen.
When I bought the SR-71A a few years ago, followed by the P-51 Mustang, I started using the D10 less. Rolling it back into this rig reminds me of just how
wonderful a music listening instrument the D10 is.
The D10 should drive your HD-800 OK unless you listen at high volume levels. The D10 output is rather limited due to the low supply voltage. The HD-800 does have a reputation for being picky about what amps it sounds good with. It is worth a try before spending any more money.
It doesn't play them very loud, but it's loud enough, and with the stock opamps it takes away some of the fatiguing grain to the HD800 as well. I thought the D10 paired better with HD800 than HD600/650.
Are there any suitable DIP/through hole op amps for use as L/R and buffer opamps? Got myself an old D10 but without the opamp rolling kit. The opamps installed are the stock ones (ADA48412 on L/R, AD8532*2 on Buffer) which I find overly warm when paired with my earbuds. Most of the suggested opamps on the first page are surface mount op amps and I have zero soldering skills. While we're at it, what specifications should i look for when shopping for op amps (for L/R and buffer use)? more specifically:
Power Supply Type: Single or Dual?
Number of channels per chip: Ranges from 1 to 4
Typical supply voltage: Wide range
Slew Rate: Wide range
etc. etc.
Really sorry but any help would be most appreciated.
There's a lot of info in this thread, but you have to dig a little. Here are my notes from... wow, 7 years ago...
http://www.head-fi.org/t/399315/ibasso-d10-updates-1st-page-with-current-opamp-choices-by-hiflight-images-page-1-12-13-14-15-21-71/3975#post_6741581
There's a lot of info in this thread, but you have to dig a little. Here are my notes from... wow, 7 years ago...
http://www.head-fi.org/t/399315/ibasso-d10-updates-1st-page-with-current-opamp-choices-by-hiflight-images-page-1-12-13-14-15-21-71/3975#post_6741581
great, thanks! this helps. i'll go through your recommendations and hope that i find a combination that uses through-hole (DIP) op amp chips. Almost all the recommended chips on the first page are surface mounted (SOIC) types.
I forgot that the original iBasso D10 came with the opamp rolling kit with all the soic chips presoldered onto adapters. You can maybe try emailing them and see if they still have some old kits available.
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