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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Thu Mar 14, 2013 1:16 pm
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Exactly Arjay! The proof to me is the the quality and reliability of the product not just a name. The name recognition comes from a solid reputation. Mercury Magnetics has a great reputation, and makes a great product. Magnetic Components, who make Classic Tone Trannies has been around 70 years. That's pretty impressive. They still use paper in their transformers. When you consider that a lot the old power and output transformers are still working today, and sound incredible, that's just a testimonial to the old school way of building things.

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Thu Mar 14, 2013 1:43 pm
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Retroverbial wrote:
What value do you place on what it takes to develop a "name"?

"Fender" is a name (as an example).

"First Act", by comparison, is a joke.

Therein lies the difference.

Arjay

Alright, that makes a lot of sense. Also, still awaiting an answer about holding components in place while soldering. What do you (or others) use to do that?


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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Thu Mar 14, 2013 9:39 pm
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Just bend the excess component leads over after inserting in the holes and this will hold them in place for soldering. After soldering, snip off the excess length of lead for a neat joint. Make sure that all component leads that go into the same hole are inserted before soldering, then solder all at once for each hole.

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Thu Mar 14, 2013 10:04 pm
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DrewMeyer wrote:
Also, still awaiting an answer about holding components in place while soldering. What do you (or others) use to do that?


Like this:

Image

Image

Image

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Fri Mar 15, 2013 9:46 am
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shimmilou wrote:
Just bend the excess component leads over after inserting in the holes and this will hold them in place for soldering. After soldering, snip off the excess length of lead for a neat joint. Make sure that all component leads that go into the same hole are inserted before soldering, then solder all at once for each hole.

Alright, thanks! Thats what I ended up doing, so it looks like I did the right thing. Day 1 of soldering went well, I'll post some pictures soon.


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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Sat Mar 16, 2013 3:32 pm
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Well, finally, here's the first update of my progress. The soldering job isn't perfect, I suppose, but I feel pretty food about it for a first try and I definitely got better by the end of it. Here's the pics:

Image

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Sat Mar 16, 2013 3:49 pm
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Looks good. :D

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Tue Apr 09, 2013 12:57 pm
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Well, shamefully, I haven't been updating this as often as I should. But, I've run into a pretty big roadblock. I hope I still have some people following this who can give me advice. I wired everything up and plugged it in and turned it on. The rectifier tube warms up great, and the pilot light comes on, but that's all. None of the other tubes light up at all. Does anyone know what could be wrong?


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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Tue Apr 09, 2013 1:13 pm
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I'd check the heater wiring, and all wiring to the tube sockets. It's easy to solder to the wrong pin. Check you voltages too.

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Tue Apr 09, 2013 3:01 pm
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63supro wrote:
I'd check the heater wiring, and all wiring to the tube sockets. It's easy to solder to the wrong pin. Check you voltages too.


Yup. Take the wiring diagram or schematic and check every single connection.

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Tue Apr 09, 2013 3:31 pm
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Well I did what you guys said and, annoyingly, everything checked out. I've been using this layout for the build:
Image
Is this wiring for the tube sockets one that works well? I've seen that a lot of modern built 5E3 deluxes use a wiring with two wires coming from the pilot light.
EDIT: Sorry, that's a big photo.


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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Tue Apr 09, 2013 6:23 pm
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DrewMeyer wrote:
Well I did what you guys said and, annoyingly, everything checked out. I've been using this layout for the build:

Is this wiring for the tube sockets one that works well? I've seen that a lot of modern built 5E3 deluxes use a wiring with two wires coming from the pilot light.
EDIT: Sorry, that's a big photo.


Most power transformers have a 12.6 volt heater supply that is center tapped to give 6.3 volts per side. The Deluxe does not. The 12AX7s and 12AY7 require 6.3 volts for each element of the tube. The heater pins are 4, 5, and 9. Notice that 4 and 5 are tied together and 9 is grounded. That gives you 6.3 volts for each of the two tube elements. For the 6V6, only 6.3 volts is needed. The heater pins are 2 and 7. 6.3 volts are applied across pin 2 with pin 7 grounded. Pin 1 is not used and is grounded just to prevent noise.

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Tue Apr 09, 2013 7:14 pm
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bluesky636 wrote:
DrewMeyer wrote:
Well I did what you guys said and, annoyingly, everything checked out. I've been using this layout for the build:

Is this wiring for the tube sockets one that works well? I've seen that a lot of modern built 5E3 deluxes use a wiring with two wires coming from the pilot light.
EDIT: Sorry, that's a big photo.


Most power transformers have a 12.6 volt heater supply that is center tapped to give 6.3 volts per side. The Deluxe does not. The 12AX7s and 12AY7 require 6.3 volts for each element of the tube. The heater pins are 4, 5, and 9. Notice that 4 and 5 are tied together and 9 is grounded. That gives you 6.3 volts for each of the two tube elements. For the 6V6, only 6.3 volts is needed. The heater pins are 2 and 7. 6.3 volts are applied across pin 2 with pin 7 grounded. Pin 1 is not used and is grounded just to prevent noise.


So what you're saying is that the layout I have should work fine? By the way, my PT has a green wire with yellow stripes which the layout doesn't have on it. I've just sent it to ground, but is it supposed to do something else? And should I just send 1 green wire to the pilot light and ground the other?


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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Wed Apr 10, 2013 4:21 am
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Just a guess here, but you might only have half of your heater voltage because you grounded the green/yellow wire when it probably shouldn't be. One of the green wires from your PT should go to ground and the other green wire from the PT to your pilot light and heaters as shown on the diagram, tape off and don't use the green/yellow wire. Check to see if this is correct, measure the voltage applied to your heaters.

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Post subject: Re: (First) 5E3 Tweed Deluxe Build
Posted: Wed Apr 10, 2013 6:41 am
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shimmilou wrote:
Just a guess here, but you might only have half of your heater voltage because you grounded the green/yellow wire when it probably shouldn't be. One of the green wires from your PT should go to ground and the other green wire from the PT to your pilot light and heaters as shown on the diagram, tape off and don't use the green/yellow wire. Check to see if this is correct, measure the voltage applied to your heaters.


Yup. The power transformer used does not match the original 5E3 spec and layout.

http://www.classictone.net/40-18021.pdf

However, it would appear that the original 5E3 power transformer provided only 6.3 volts across the heater output and that is why the heaters are wired as shown. You need to measure the Classic Tone PT heater output and see if it is 6.3 v from each green wire to the center tap or 12.6 volts across the green wires. If so, I think that to use the Classic Tone PT, you need to ground the center tap and leave one of the green wires open. Then you should be able to wire the heaters as shown in the original layout.

OR

Using the PT you have, you can wire the heaters as shown in the Weber 5E3 kit which does use a center tapped heater circuit. That may be the best way to go.

https://taweber.powweb.com/store/5e3_schem.jpg

https://taweber.powweb.com/store/5e3_layout.jpg

Note: Incorrect drawings posted earlier. These are the correct ones. Sorry for any confusion.

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Last edited by bluesky636 on Wed Apr 10, 2013 9:54 pm, edited 1 time in total.

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