Cornford Hurricane layout

[SOLOIST]

Hey, guys. I've found this layout: http://music-electronics-forum.com/t30046/ What do you think about it? \

Add last version of layout and schematic

[Gaz]

Hey, I'll be the first one to say thanks for sharing this! Awesome!!

[NickC]

Isn't it conventional amp-building wisdom that the AC line-in ground be isolated to the chassis and away from circuit grounds (speaker and rectifier grounds in the diagram are tied to the AC-line ground)? Or am I not seeing that correctly?

[vibratoking]

What do you think about it?

You can't read the values on many of the parts??? That makes it a pretty picture with little information. I suppose we could make sound guesses and create a real layout or schematic, but then it would be a Frankenstein.

[milkyBK370]

Wow. I'll be building this for sure. Thanks for sharing.

[vibratoking]

Wow. I'll be building this for sure.

You'll be building what?

[Colossal]

What do you think about it?

You can't read the values on many of the parts??? That makes it a pretty picture with little information. I suppose we could make sound guesses and create a real layout or schematic, but then it would be a Frankenstein.

VB,

Click on the enclosed layout. When it loads, click on it again to zoom. You can zoom right up to the values. PM me if you can't and I'll send you the file.

Dave

[vibratoking]

Here is what I see when I click on it and then zoom.

[M Fowler]

I had the same problem of not being able to get clear zoom so I did what colossal said open the layout on TAG post then click on it again to open the layout to large view then save that to your CPU, works great then.

Thanks Dave and thanks to Solist for posting.

[Ang3lus]

thanks for posting, awesome work there

[SOLOIST]

Fresh version of Layout (in good resolution, with some corrections):
[img:180:135]http://s13.postimg.org/xwnuzodnn/Layout_Hurricane_chillidoggy.jpg[/img]

direct link - http://s13.postimg.org/6ytxxxt0l/Layout ... idoggy.gif



Schematics

[img:180:127]http://s18.postimg.org/4yac3lr05/cornford_hurricane_6.jpg[/img]

[Turret]

Hi, first time poster - love this place!

I'm at the schematic, it should be ready later today.

Couple observations:
- V1 cathodes has no ground reference in layout providen
- 22k resistor running from Treble to master should hit lug 3 not the middle lug

Overall structure looks similar to Harlequin, it's just a bigger brother with TMB tonestack, reverb and FX loop, and it's 18W in place of SE

EDIT: I didn't seen post above

[rogb]

Here is what I see when I click on it and then zoom.

This is what I see - thanks for posting OP

[Gaz]

Damn this thing runs the power tubes hard. I'm guessing a B+ around 380vdc, so maybe 370vdc relative to the cathode. No individual screen resistors, just a common 2.2K dropping resistor. I have a Dr. Z Maz 18 with exactly the same setup. The owner bought it 'new' from a shop where its been sitting since 2011. The problem: one tube red plates, and the tubes are totally beat. This is just from floor use, of course. Is it just me, or do designs like these seem utterly ignorant when it comes to the output section?

[gingertube]

Single 12AX7 triode driven reverb - that will be "limp".
Cheers,
Ian