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Old 11th October 2020, 02:35 PM   #1
birkbott is offline birkbott  United States
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Default SSE Parts List Help

Hey everyone, I'm embarking on this journey for the first time. Would appreciate some help with the parts list just to make sure everything I got on here will work correctly. I used the list from the website along with a list from another user to put this together. I have done DIY speakers and crossovers but never an amplifier.

My main questions are:

1. Is everything for the PC board compatible/correct?
2. Is the internal wire beefy enough at 20ga?
3. Will the Hammon chassis be strong enough to support all the transformers, choke, etc, without bowing?

Interested to year your thoughts. Thanks in advance!
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File Type: pdf Tubelab SSE Parts List October 2020.pdf (47.6 KB, 27 views)
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Old 12th October 2020, 01:54 PM   #2
dwinstonwood is offline dwinstonwood  United States
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Quote:
Originally Posted by birkbott View Post
3. Will the Hammon chassis be strong enough to support all the transformers, choke, etc, without bowing?
Yes. I used the Hammond aluminum 1444-12103 (12" x 10" x 3") and it's very sturdy - even with the gigantic Edcor XPWR035 power transformer! Whatever chassis you choose, take your time doing your layout; there are lots of holes to properly align (twice) and drill (once).
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File Type: jpg music.jpg (417.9 KB, 113 views)
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Old 12th October 2020, 04:03 PM   #3
spiggs is offline spiggs  United States
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I did not see diodes D3 and D4 on your parts list.
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Old 12th October 2020, 04:14 PM   #4
birkbott is offline birkbott  United States
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Originally Posted by spiggs View Post
I did not see diodes D3 and D4 on your parts list.
I only see D1 and D2 on the official list, am I missing where they are? What diodes go there and what is their function?

Parts List | Tubelab
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Old 12th October 2020, 04:24 PM   #5
spiggs is offline spiggs  United States
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The parts list on the Tubelab site was not updated for the current PCB revision. D3 and D4 were added along with TR1 to help make life easier for the rectifier tube.


Starting a SSE build
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Old 12th October 2020, 04:29 PM   #6
birkbott is offline birkbott  United States
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Originally Posted by spiggs View Post
The parts list on the Tubelab site was not updated for the current PCB revision. D3 and D4 were added along with TR1 to help make life easier for the rectifier tube.


Starting a SSE build
Ahh ok great thanks for the link!
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Old 12th October 2020, 04:39 PM   #7
spiggs is offline spiggs  United States
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Originally Posted by birkbott View Post
Ahh ok great thanks for the link!

No problem. I made the same oversight in my build (along with a host of other mistakes) so I am happy to have saved someone else from the same trouble.


One other note. You might want to consider getting a few different values for R17 and R27 depending on what tubes you plan to use. Look at the chart on the Tubelab website and search here for likely options.

Last edited by spiggs; 12th October 2020 at 04:49 PM.
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Old 15th October 2020, 05:43 PM   #8
spiggs is offline spiggs  United States
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If it helps I posted the parts list I used in my build thread.


Oh yeah another SSE build


For wiring I purchased some 18g wire rated for 600v to use for any high voltage internal hookup. You may not need any extra wire though as the transformers come with long leads and trimming to fit will leave some extra. For the line level inputs I used some 28g copper wire pulled from Cat6 cables for short connections and some shielded Mogami W2330 Interconnect Wire to run front to back. p { margin-bottom: 0.1in; line-height: 115%; background: transparent }


This was my first tube amp build as well and I am very pleased with the results. It's very doable just keep safety at the top of the list :-)
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Old 15th October 2020, 09:49 PM   #9
dwinstonwood is offline dwinstonwood  United States
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birkbott,
I am using a tube rectifier (Sovtek 5AR4) so I did not install D1 and D2.

I did install the two 1N4007 diodes in D3 and D4. I also installed the CL-140 inrush limiter in TR1. These parts ease the power-on hit to the tube rectifier.

These are the three parts that I believe are not in the Tubelab SSE parts list. They are common parts and can be purchased from Mouser or Digikey.

Other than those three parts I followed the Tubelab SSE parts list to the letter.

So, if you are using a tube rectifier don't buy D1 and D2 and do add D3, D4, and TR1 to your parts list.

I hope this helps.
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File Type: jpg d3-d4-tr1.jpg (152.8 KB, 78 views)
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Old 16th October 2020, 01:52 AM   #10
birkbott is offline birkbott  United States
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Quote:
Originally Posted by dwinstonwood View Post
birkbott,
I am using a tube rectifier (Sovtek 5AR4) so I did not install D1 and D2.

I did install the two 1N4007 diodes in D3 and D4. I also installed the CL-140 inrush limiter in TR1. These parts ease the power-on hit to the tube rectifier.

These are the three parts that I believe are not in the Tubelab SSE parts list. They are common parts and can be purchased from Mouser or Digikey.

Other than those three parts I followed the Tubelab SSE parts list to the letter.

So, if you are using a tube rectifier don't buy D1 and D2 and do add D3, D4, and TR1 to your parts list.

I hope this helps.
Thanks, this is where I get mixed up though, if I search for 1N4007 itís not available, but 1N4007-T is and 1N4007-E3/E4 and many other variations are. Are those the same thing?
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