Hi Brent
Why did you use a 27ohm instead of the "popular" 10r in that placement ?
Some add a small cap // with the resistor so equipment stays connected to Earth in the high frequencies... Is this important ?
Regards
Ricardo
No, I haven't done that. Probably too complex now. I'm not sure I want to do anything else with this player, already lots of pads lifted. Getting very close to the point where I say just one more mod and destroy it, like i did the last one that I had.
It's quite easy, very few parts to add only on the DOS pcb. Nothing to remove! You've made so much, don't be lazy, you'll be rewarded!
The output on the dos seems quite low compared to before with an opamp. Is there a resistor change that will increase it again?
Dunno, the output should be the same as the opamp filter. I've simulated the DOS to give the same output. Are you sure you used the correct emitter resistors R7/R8? They should be 600 ohm with 1k5 for R3/R4.
A way to test this is to burn a 1kHz/0dB wave file to CD and measure the output amplitude. It should be 2Vrms or 5.6Vpp.
Ray
At posting a picture I hasten to say! The resolution is a bit too low. I could have increased it a bit. I'll post better ones with the casework in place.
Looking good, you could go up to 800x600 or even 1024x768 - depending on compression level - and fit under the file size limit.
Thx for all your advice spot on .
big difference in the63 now.totally better player than the ki whats next?
thanks alan .😀
Hi,
I'm using 680 for R7/8 (nearest I could get) with 1K5 for R3/4. Maybe that explains it.
Regards
Pete
Shepp, don't you plan new mods? You really should change these Vishay MKT for top MKPs, you can flavor your sound with the help of such website:
Humble Homemade Hifi
also, if you don't have the CFP, you must get it. Don't stop now, you're close to the finish line!
They are Vishay capacitors. Very very good caps for the money. If an upgrade is wanted there the cost of something like a Mundorf Supreme or better is expensive by comparison. I love the Silver/oil ones
Brent
Brent
There's a limit! Money being one. I have sent the player 6 (?) times to Brent, from France to the UK. The time before it got pretty badly banged up in transport, so there's that to consider as well. Sometime this year I will cross my fingers and send it for the C2 clock and anything else that Brent thinks will be usefull. I think Mal. you were asking about the big caps? They are the Muldorfs that Brent has had made... "Si" on his site. If I were going to have a resistor change it would be for the Vishay S'foils, which are in my amp.
If someone wants a C1 clock, it will be up for grabs when I do the C2 change-over.
I'm making some final udjustments to the wooden cheeks and will post pictures when it's all back together and looking purdy. It may sound dumb but the cosmetic change seems to have a psychological effect on how I perceive the sound! I also added a lot of mass by glueing lead sheet to the bottom and the case is more ridged with the wooden cheeks (which are screwed on).
If someone wants a C1 clock, it will be up for grabs when I do the C2 change-over.
I'm making some final udjustments to the wooden cheeks and will post pictures when it's all back together and looking purdy. It may sound dumb but the cosmetic change seems to have a psychological effect on how I perceive the sound! I also added a lot of mass by glueing lead sheet to the bottom and the case is more ridged with the wooden cheeks (which are screwed on).
A C2, maybe some Supremes on the output along with that CFP upgrade??? Should be rather tasty.