"....replace the CX20068 with CX20218 ? ...........I do not know if the components around the Dolby circuit are identical in both versions, you...
My latest information: History of the Sony Walkman WM-D6C. Compiled from postings on Stereo2Go and tapeheads forums, as well as eBay listings of...
Here's a few links that will be IMMENSELY helpful: mostly from one of our resident WM-D6C geniuses (Valentin). Many thanks to him for his...
"Why shouldn't I use the power adapter? " Deb 64 says: Many adapters put out much more than 6 volts; some as high as 7.6 volts! 6V is at, or...
This is my version of the WM-D6C history: February 1984: Original Sony Walkman WM-D6C released. Amorphous "pointy" parabolic PA259-3602A head...
Do any of y'all have the original purchase dates of your decks?
Impressive that it has not only a servoed capstan but also servoed back-tension! No pilot tone, though, eh?
WoW!! A poor-man's Nagra! What tape speed did it run at?
Looks good. Don't know about the missing service bulletins.
Aha! I now see the change of motor part #. My bad. From Deb64: "This is where it gets a bit confusing as I have seen several D6Cs with the older...
1991's change of 220uF capacitor designation 138 to 318 is not really a revision; it's just a correction of the schematic. The PCB was actually...
Thanks! Does your unit also have the -12 PCB with the CX20218 Dolby chips?
@Lee Finney: THANKS! That does help! It confirms that the pointy heads DID remain until the 71xxx range. I have now established the change from...
Yes, that's a good idea. I am curious as to why your experiment with the OPA failed. The only possibility I can imagine would be if you...
Well, a total of 9 mA more current probably won't make a lot o' diff in most cases. The one thing that was very attractive to me about the OPA1642...
Well, that's very interesting. WHAT didn't work at all? How did it sound worse? Did it oscillate? I think that the OPA1642, being a faster chip,...
Here is my version of the history of the Sony Walkman WM-D6C. Compiled from postings on Stereo2Go and tapeheads forums, as well as eBay listings...
Yes, you are correct...it IS within spec; perhaps even a bit better, being essentially +0, -3 db from 40 to 15 KHz. BUT a 1000zxl will do...
The published spec for frequency response on a Sony Walkman WM-D6C is +/- 3db 40-15000Hz. That's not very impressive. Has anyone been able to...
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