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Post by NPAudio on Nov 19, 2021 21:12:43 GMT
Doc1085, as an Audio Note Kaisei lives where 3.5mm used to then externaly the hole is sealed off.   Also if you do require 3.5mm single ended you can use a ddhifi DJ30A adapter (I connected ground to the 4.4mm) This adapter uses R+ L+ and GND (it does not short L- & R- together) I tested it and it sounds good. 
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Post by NPAudio on Nov 24, 2021 20:18:41 GMT
Doc1085 alternate painted copper back cover to keep it flush.  
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Post by NPAudio on Jan 18, 2022 15:52:03 GMT
Two ZX300 I'm working on: Attachments:
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Post by NPAudio on Jan 21, 2022 17:45:09 GMT
Back in case, 3.5mm and 4.4mm wired up, a Kaisei Power cap on the right linked to the underside. Started adding the Kaisei balanced out caps. The black and white wires are temporary for test powering up. Attachments:
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Post by haulien on Jan 23, 2022 5:09:40 GMT
Any thoughts on modding a usb-c charge port (even at 500mAh speeds) to the zx300? Would there be enough space internally on either side of the wm-port? Could potentially replace the lanyard loop, or drill a hole on the opposite side to keep the lanyard loop functional.
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Post by NPAudio on Jan 23, 2022 13:13:49 GMT
Any thoughts on modding a usb-c charge port (even at 500mAh speeds) to the zx300? Would there be enough space internally on either side of the wm-port? Could potentially replace the lanyard loop, or drill a hole on the opposite side to keep the lanyard loop functional. It would probably be possible but would be a lot of work to get there and neatly. So not a cheap option regarding time. I have done it on a WM1A before to replace a damaged wm-port. Instead I could maybe look at making some wm-port to usb-c adapters ? but I suppose you may as well be using a normal wm-port cable then  |
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Post by NPAudio on Jan 24, 2022 16:47:02 GMT
I am behind schedule on mods due to my elderly mothers ill health but progressing things this afternoon. Just a bit of cleaning, battery and copper back left to do. Attachments:
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Post by NPAudio on Feb 9, 2022 17:04:09 GMT
Well you couldn't make it up, the batteries finally arrived and the kids brough norovirus home from school, i'm just coming out the otherside. I actually passed out last night in the bathroom 😂 amongst other embarrassing things 🤣 Here's where I got to before it got the better of me, just the rubber back to install now: |
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Post by NPAudio on Feb 10, 2022 22:38:04 GMT
Back together ready for her new home. |
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royi
New Member
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Post by royi on Apr 24, 2022 19:16:41 GMT
I am recently thinking either to get a WM1A or a ZX300 then modded. I curious how far are the sound quality of ZX300 vs WM1A. Heard the difference is relatively small. I don't really do analytical listening when use DAP. So just curious
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Post by TheBandicoot on Apr 25, 2022 17:01:30 GMT
I am recently thinking either to get a WM1A or a ZX300 then modded. I curious how far are the sound quality of ZX300 vs WM1A. Heard the difference is relatively small. I don't really do analytical listening when use DAP. So just curious From personal experience of owning both at the same time, listening to them back-to-back and experimenting with Mr Walkman's FW's over the space of 6-12months - I preferred the ZX300. Neither were modded aside from Mr. Walkman's FW. The WM1A had more resolution, better staging and separation. The differences are there, but could I honestly tell after hours of adjusting to either player? No. The ZX300 is warmer and actually portable, to the point you will actually take it with you somewhere. I hated carrying my 1A around (case or no case) as I was conscious of dropping it. I have normal sized hands and found it was heavy or cumbersome in one hand. I like a portable player and the ZX300 can be used with one hand no problem. I sent my 300 to Steve for all the upgrades, completely worth it in my experience. Whatever gap there was between the 1A and 300 is gone with these mods (and battery life is around 40-50 hours). The modded 300 with Mr. Walkman's FW is more like the 1Z than the 1A and I prefer Sony's signature sound. The 1Z absolutely isn't portable or affordable. |
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Post by NPAudio on May 18, 2022 14:35:41 GMT
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Post by souldriver on May 18, 2022 15:02:47 GMT
I have to say, I have been not only impressed by the pcb and circuit mods you do. But there is a lot of fab and aesthetic work you do that that matches or exceeds what is stock.
Great work as always!
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Post by nc8000 on May 18, 2022 15:12:00 GMT
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Post by 0rangutan on May 19, 2022 9:55:23 GMT
Can I ask what you are having done to yours? |
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