Feeler: an "Eee-Zzz" christmas present...ez1073 and ez1073-500
- Thread starter Slenderchap
- Start date
Help Support GroupDIY Audio Forum:
haima
Well-known member
AFAIK pete's EQN is based on the 1084...
Slenderchap
Well-known member
DAN_000 said:
On the ez1073-500 the virtual ground is at -16v... just a single 8v regulator on the +16v... the Schematic will be in the colourbook..... Gustav will do the PCB's, Grand Master will do the faceplates... AML will do a "partial kit" of the difficult parts.....
"Haima" seems to have answered the EQ questions already..... but just to re-confirm.... the HF is at 12k, the Bottom left is the HPF, the switch above it is phase..... It is clearer on the "real" metalwork as it has the EQ symbols/legends printed on it (they were missing off the lash-up by mistake)....
The second revision of the ez1073-500 should be here today... it is easier to build as the op-amp sub cards are now part of the main card.... the "real" faceplate should be done shortly so you will be able to see what they actually look like... grey with white text.
Still waiting for the mains transformer for the ez1073 so it is on hold at the moment (the custom core for the transformer arrived but was 160mm diameter instead of 60mm).
Colin
www.audiomaintenance.com
south2577
Well-known member
Slenderchap said:
:'(
[email protected]
Member
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- Dec 7, 2010
- Messages
- 22
Hi Collin,
If you are keeping track of member interest, I would be in for 2 rack mount versions.
Cheers
If you are keeping track of member interest, I would be in for 2 rack mount versions.
Cheers
deuc224
Well-known member
Im anxiously waiting the EZ1073 and kinda glad it got delayed as i will be able to save for 2 also lol. Colin thanks again for doing this.
sr1200
Well-known member
Im interested in a 1u!!
MikoKensington
Well-known member
This has mic and line inputs.
haima
Well-known member
DAN_000 said:
Read back a bit - this has already been discussed a few times... From what I understand, as the unit is transformer isolated on the in and out Colin is just combining the bipolar 16v rails to form one one 32v rail, and then linear regulating that down to 24v. No need for the 51X pins in this case. You can use these in a 51X rack though - no problems!
0dbfs
Well-known member
haima said:
That is cool! But I wouldn't think you want to connect your -16/"0V ref" directly to chassis/pin-1 would you? Cap to chassis would return AC but what about DC returns?
Best,
j
Thanks haima, yes, I know. But I would like to use this 24v rails instead of converting from +-16v. If I have 24v in rack, why not to use this ? +-16 rails will be happy and with more free power 8) onboard regulator is consuming 25% of power, anyway is a lot better way than DC-DC converter.
BTW, if its not too late, I think 51x fingers will be a good option, and if you dont need this fingers, just break this!
How much current handle 1073 ?
Thanks
BTW, if its not too late, I think 51x fingers will be a good option, and if you dont need this fingers, just break this!
How much current handle 1073 ?
Thanks
Slenderchap
Well-known member
0dbfs said:
Between the input secondary and output primary there is no need for any reference to the chassis/pin1....
It could probably even be ac as long as it wasn't in the audio band.....
On a dual slot wide module there is no real need to use the 51x extension as you have 260mA available and the module only needs 90mA.... and the number of standard lunchboxes far exceeds the number of 51x type racks....
The design went off to Gustav yesterday for the 1073-500 anyway so it is already done.
Colin
www.audiomaintenance.com
user 10827
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- Joined
- Sep 21, 2007
- Messages
- 786
Hi Chaps,
Colin has asked me to manufacture the front panels for this project. Pictured here is a prototype panel I made for Colin (winging its way to you now Colin).
But this is not how the panels are being made, if we can get the numbers, 50+, I will machine them and send them off to be powder coated and silk-screened. Powder coat will be the Neve Dark RAF sea grey, silk-screen will of course be white. will look super lovely!
It would be good to get an initial feel as to how many, as 50 is a minimum run, but if more are needed ill get more done in the initial batch. Price for the panel are £25ea + posty and packing yet to be worked out, but they are light so very cheap to ship.
sound cool?
Best
Pete
Colin has asked me to manufacture the front panels for this project. Pictured here is a prototype panel I made for Colin (winging its way to you now Colin).
But this is not how the panels are being made, if we can get the numbers, 50+, I will machine them and send them off to be powder coated and silk-screened. Powder coat will be the Neve Dark RAF sea grey, silk-screen will of course be white. will look super lovely!
It would be good to get an initial feel as to how many, as 50 is a minimum run, but if more are needed ill get more done in the initial batch. Price for the panel are £25ea + posty and packing yet to be worked out, but they are light so very cheap to ship.
sound cool?
Best
Pete
Infernal_Death
Well-known member
Looks good. I am in for 1 500 board set and 1 panel.
Flo
Flo
jandoste
Well-known member
Infernal_Death said:
Same here!
I just finished my two 1072, but now, I must buy another 500 series case,it looks so great that I'm in for four 500 board set and four panel at least. Beautiful work, guys.
Alberto.
Alberto.
Count me in for 2 x 500 Panels Pleazzzze...
