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McCormack MAP1
Posted: Fri Aug 24, 2012 9:40 pm
by Animal
Re: McCormack MAP1
Posted: Sun Aug 26, 2012 7:37 pm
by admin
Wow, very nice. It's funny, when you take off the cover and look under the hood it screams Conrad Johnson quality. I'm going to keep an eye out for McCormack equipment from now on. I'm looking at one of their players to perhaps replace my Oppo that I use for CD/SACD's.
Thanks for the pictures, they look great!
Re: McCormack MAP1
Posted: Tue Aug 28, 2012 5:39 pm
by Animal
My understanding is that the McCormack Deluxe UDP-1 is exactly the same as the Conrad Johnson branded version, with the exception of the face plate (McCormack silver vs CJ Champagne).
Be aware there is no HDMI connection (which, IMO, is a good thing).
Re: McCormack MAP1
Posted: Wed Aug 29, 2012 7:07 pm
by jeffreybehr
I just received schematics for the MAP1 from c-j.
The active circuitry is direct-coupled, so there are no '$100 capacitors' to buy... ...but it's got LOTS of powersupply-bypass caps, and the sound quality would benefit from replacing some of those magnetic-lead orangedrops with at least SoniCap Gen1 'propylenes or, even better, MultiCap RTXs ('styrenes).
...and here I go, modifying your preamp.
I'll e-mail the 3 images (or PDFs, if you prefer) of the schematics to anyone who asks at jeffreybehr(at)cox(dot)net.
Re: McCormack MAP1
Posted: Wed Aug 29, 2012 9:02 pm
by admin
jeffreybehr wrote:I just received schematics for the MAP1 from c-j.
The active circuitry is direct-coupled, so you there are no '$100 capacitors' to buy... ...but it's got LOTS of powersupply-bypass caps, and the sound quality would benefit from replacing some of those magnetic-lead orangedrops with at least SoniCap Gen1 'propylenes or, even better, MultiCap RTXs ('styrenes).
...and here I go, modifying your preamp.
I'll e-mail the 3 images (or PDFs, if you prefer) to anyone who asks at jeffreybehr(at)cox(dot)net.
If you can send me a copy to "
admin@conradjohnsonowners.com" I think I will start a "Schematic" thread and try to compile as many schematics as possible. As I have some other CJ schematics.
Re: McCormack MAP1
Posted: Thu Aug 30, 2012 11:13 am
by rthomeint
I spoken with ED at conrad-johnson and they are now offer a Telfon cap upgrade on the MAP1 like the on they offer for the MET1.The final price of the upgrade was not determined when I spoken to Ed.
Update I called CJ today and was told by Ed that the Map1 upgrade is TBD at this time.
Re: McCormack MAP1
Posted: Thu Aug 30, 2012 11:19 am
by admin
jeffreybehr wrote:I just received schematics for the MAP1 from c-j.
The active circuitry is direct-coupled, so there are no '$100 capacitors' to buy... ...but it's got LOTS of powersupply-bypass caps, and the sound quality would benefit from replacing some of those magnetic-lead orangedrops with at least SoniCap Gen1 'propylenes or, even better, MultiCap RTXs ('styrenes).
...and here I go, modifying your preamp.
I'll e-mail the 3 images (or PDFs, if you prefer) to anyone who asks at jeffreybehr(at)cox(dot)net.
The documents referred to are now in the
official schematics thread.
Re: McCormack MAP1
Posted: Thu Aug 30, 2012 2:57 pm
by jeffreybehr
admin wrote:jeffreybehr wrote:I just received schematics for the MAP1 from c-j.
The active circuitry is direct-coupled, so there are no '$100 capacitors' to buy... ...but it's got LOTS of powersupply-bypass caps, and the sound quality would benefit from replacing some of those magnetic-lead orangedrops with at least SoniCap Gen1 'propylenes or, even better, MultiCap RTXs ('styrenes).
...and here I go, modifying your preamp.
I'll e-mail the 3 images (or PDFs, if you prefer) to anyone who asks at jeffreybehr(at)cox(dot)net.
The documents referred to are now in the
official schematics thread.
I don't see the MAP1 schematic listed in that tread's text.
Re: McCormack MAP1
Posted: Thu Aug 30, 2012 4:23 pm
by admin
jeffreybehr wrote:admin wrote:jeffreybehr wrote:I just received schematics for the MAP1 from c-j.
The active circuitry is direct-coupled, so there are no '$100 capacitors' to buy... ...but it's got LOTS of powersupply-bypass caps, and the sound quality would benefit from replacing some of those magnetic-lead orangedrops with at least SoniCap Gen1 'propylenes or, even better, MultiCap RTXs ('styrenes).
...and here I go, modifying your preamp.
I'll e-mail the 3 images (or PDFs, if you prefer) to anyone who asks at jeffreybehr(at)cox(dot)net.
The documents referred to are now in the
official schematics thread.
I don't see the MAP1 schematic listed in that tread's text.
Yes, my mistake, I confused the MAP1 with another schematic I added. I don't have the MAP1 schematic. As soon as I get a copy of the MAP1 schematic I will add it to the list and archive.