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Author Topic: Big muscles Prinzetone build....  (Read 68635 times)
mcinku
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« on: June 27, 2010, 08:24:40 PM »
OK I'm building 6L6 Prinzetone and I'm using Vibrolux Hammond replacement trannies. Some serious iron for this little chassis. It took me a lot of time to modify the chassis to fit all this iron.... and also, I decided on using choke too.  Wink

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« Reply #1 on: June 27, 2010, 08:25:46 PM »
All HW mounted... now the wiring starts... finally  Cool

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« Reply #2 on: June 28, 2010, 03:50:28 PM »
PT and OT part more or less done...  Cool
...I need to wait for my new faceplate. Without it, I can't wire the indicator light.

Things are getting a little crowded, I hope I didn't make a wrong decision... to wire the heaters last.  Huh?

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rayden44
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« Reply #3 on: June 29, 2010, 11:13:15 AM »
wow yeah much neater than mine, but it does get pretty tight in there with the heaters. mind your other wires when soldering Wink
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mcinku
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« Reply #4 on: June 29, 2010, 11:22:33 AM »
Oh yes it's very tight in there... I had to replace power and standby switch. They were hitting the PT.
I also insulated the bottom pins on the switch just in case.
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« Reply #5 on: June 30, 2010, 06:05:50 AM »
Another day and some more work done.
This is my first attempt at wiring the heaters the "Fender way". Perhaps not the cleanest way I ever seen but I'm happy with the outcome.

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cyndicate
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« Reply #6 on: June 30, 2010, 11:23:26 PM »
Looking good! I just finished my DC30 and I am eyeballing a Fender build  Chair Dance

Also is that a powder coated chassis? I can't tell from your pictures but make sure you scrape off the coat at any point that needs to be grounded.
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« Reply #7 on: July 01, 2010, 03:16:03 AM »
tried to get you some sounds so you'd get even more enthused, but anything above 3 was causing my mic to clip and that's not really at its best Sad try again tonight Wink
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mcinku
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« Reply #8 on: July 01, 2010, 06:00:54 AM »
Quote from: rayden44 on July 01, 2010, 03:16:03 AM
tried to get you some sounds so you'd get even more enthused, but anything above 3 was causing my mic to clip and that's not really at its best Sad try again tonight Wink

thanks
 Grin
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« Reply #9 on: July 01, 2010, 06:02:35 AM »
Quote from: cyndicate on June 30, 2010, 11:23:26 PM
Looking good! I just finished my DC30 and I am eyeballing a Fender build  Chair Dance

Also is that a powder coated chassis? I can't tell from your pictures but make sure you scrape off the coat at any point that needs to be grounded.

Yes I think it is and I already did it... firm ground connection is important
 Wink
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cyndicate
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« Reply #10 on: July 01, 2010, 05:31:31 PM »
Quote from: mcinku on July 01, 2010, 06:02:35 AM
Quote from: cyndicate on June 30, 2010, 11:23:26 PM
Looking good! I just finished my DC30 and I am eyeballing a Fender build  Chair Dance

Also is that a powder coated chassis? I can't tell from your pictures but make sure you scrape off the coat at any point that needs to be grounded.

Yes I think it is and I already did it... firm ground connection is important
 Wink

 Grin I have never tried the "Fender" Method for wiring the filament, I wonder if when it's free floating it's quieter than the Marshall method. I think dumble uses the fender method right? I did my BM the marshall way but so far that amp has been really quiet.
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mcinku
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« Reply #11 on: July 02, 2010, 06:14:38 AM »
Quote from: cyndicate on July 01, 2010, 05:31:31 PM
Grin I have never tried the "Fender" Method for wiring the filament, I wonder if when it's free floating it's quieter than the Marshall method. I think dumble uses the fender method right? I did my BM the marshall way but so far that amp has been really quiet.

I think when done right, the marshall way of doing this is just fine.... I have seen some TwoRock amps wired like that and they work like a dream.... also TW amps are wired the marshal way and we all know how touchy those amps are.
I wired this amp the Fender way 'cause there was not enough space back there.... well it could be done but it would be tight, really tight.
Up to now I have seen only one amp, which had big issues with heater wiring... but I think that amp had some other issues as well....
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« Reply #12 on: July 02, 2010, 06:15:44 AM »
Here we go...

Tonestack done... stil waiting for CTS push-pull pot (I'm doing the bright switch - just cause I can  Grin )

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« Reply #13 on: July 02, 2010, 06:16:59 AM »
One overall photo and my custom build facepalte photo...
I really like how that face plate turned out  Wink

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« Reply #14 on: July 02, 2010, 06:20:59 AM »
I tried the amp really quickly but I could not bias the amp correctly. The bias circuit is optimized for 6V6 tubes and now I have to mod it to fit 6L6 tubes. I also need to increase the grid resistor on the power tubes.... 1W resistors were getting a bit hot when I fired the amp.

For a proper review we need to wait for a while.
 Wink
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