Hi,
I recently finished the real mctube from Fred Nachbaur (RIP)
http://www.dogstar.dantimax.dk/tubestuf/mctube.htm (http://www.dogstar.dantimax.dk/tubestuf/mctube.htm)
I used Tonepad PCB layout.
A big thank to FP and paul marossy for help. ;)
PICTURES :
(http://sounddiy.free.fr/images/Mctube/DSCN3681.JPG)
(http://sounddiy.free.fr/images/Mctube/DSCN3682.JPG)
(http://sounddiy.free.fr/images/Mctube/DSCN3688.JPG)
(http://sounddiy.free.fr/images/Mctube/DSCN3690.JPG)
(http://sounddiy.free.fr/images/Mctube/dscn3686.JPG)
(http://sounddiy.free.fr/images/Mctube/DSCN3695.JPG)
I use european Version, I use Two transformer : 220 Volt -> 12 volt ( 5 VA), 400ma on secondary, and 24 Volt -> 220 Volt, 3.2 VA, 300 ma on secondary.
mods that I have done:
I added a marshall's tonestack that I placed instead of R8.
I omitted R9 resistor.
I used 500 K log for GAIN and 1 Mega Log for VOLUME.
I added a Clean swith that disconnect C7.
SAMPLES :
I record somes samples with my Epiphone guitare, passive pickup , to a Mia midi Card throught a yahama Mixer.
Don't pay attention to the muddy of the sound.
the mctube has a huge Dynamics and great High response, To Listen really the Mctube response, I have to record samples with a AMP and SM57, that's would be better :)
http://sounddiy.free.fr/images/Mctube/mctube-(channel%20overdrive,%20GAin%20from%2030%25%20to%20100%25,ON-OFF).mp3 (http://sounddiy.free.fr/images/Mctube/mctube-(channel%20overdrive,%20GAin%20from%2030%25%20to%20100%25,ON-OFF).mp3)
http://sounddiy.free.fr/images/Mctube/mctube-(channel%20overdrive%20to%20Channel%20clean,%20Eq%20on-off,%20EQ%20pots%20Ajusts,%20ON-OFF).mp3 (http://sounddiy.free.fr/images/Mctube/mctube-(channel%20overdrive%20to%20Channel%20clean,%20Eq%20on-off,%20EQ%20pots%20Ajusts,%20ON-OFF).mp3)
I have to Build another mctube because this one is for my brother , and I want To have my OWN!
Looks pretty cool! :icon_rolleyes:
thanks,
On this one I tried another Design conception..
I painted all the box and I Print my design on a transparent Stick sheet, that I put On the Box.
After that I spray some varnish, it's done! ;)
i noticed you used a jj kt88 tube,
how much did it cost you and where did you get it?
i need a matched pair, but im skint :(
I Used A JJ Tesla 12ax7, ECC83 and NOT KT88
I bought It from tube-town (http://www.tube-town.de)
You can find KT88 On tube town here :http://www.tubetown.de/ttstore/product_info.php/info/p26_JJ-KT88---6550.html (http://www.tubetown.de/ttstore/product_info.php/info/p26_JJ-KT88---6550.html)
KT88 are much, much, much bigger than that ;)
It looks really great BTW
Both the outside and inside look great. I'm a big fan of "guts" shots. I like the idea of a separate housing for the power supply too. Very nice work.
-Alex
Thanks!
YEs I USe another Boxe For the Power supply to Not have Noise problem.
YOu will laught ;D On the Beginning, I tried to put ALL,power supply and Audio circuit in Only one Boxe :
(http://sounddiy.free.fr/images/Mctube/DSC00043.JPG)
With that concept, I had a lot of Noise due to the proximity of the transformers.
I know I was optimisted...
Awesome looking pedal. I like the 2 box idea. I need to build this one, so many projects, so little time.
-brian
Can i see your marshall's tonestack Schematic that placed instead of R8( 1M ) please.
Thank you. :D
tube pedals, by rule of thumb, ALWAYS look better when the tubes are prominently displayed outside the enclosure. Nice going.
sick!