The Dynaco Tube Audio Forum

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The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all Dynakitparts.com products


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audiobill
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Peter W.
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11 posters

    Wiring question

    WireNut
    WireNut


    Posts : 67
    Join date : 2017-02-21
    Location : Twin Cities

    Wiring question - Page 2 Empty Re: Wiring question

    Post by WireNut Sun Apr 08, 2018 5:58 pm

    I also noticed that Bob reinvented the Dynaco wheel with all of the changes he did- way to break the mold Bob! (see page with differences between the old amp and his)
    deepee99
    deepee99


    Posts : 2244
    Join date : 2012-05-23
    Location : Wallace, Idaho

    Wiring question - Page 2 Empty Re: Wiring question

    Post by deepee99 Sun Apr 08, 2018 6:21 pm

    Wirenut,
    Sure hope you post some pix of your build as it progresses.
    WireNut
    WireNut


    Posts : 67
    Join date : 2017-02-21
    Location : Twin Cities

    Wiring question - Page 2 Empty Re: Wiring question

    Post by WireNut Mon Apr 09, 2018 1:05 pm

    Hey guys, I do have a wiring question, I have a Hakko FM-202 soldering station & usually set it at °600 for making cables, but know that some traces may fry with that heat. What do you set your irons for on your Dynaco projects?
    deepee99
    deepee99


    Posts : 2244
    Join date : 2012-05-23
    Location : Wallace, Idaho

    Wiring question - Page 2 Empty Re: Wiring question

    Post by deepee99 Mon Apr 09, 2018 1:11 pm

    IMHO, you risk more damage to the traces with low heat and longer contact time with the soldering iron. Get 'er hot, do 'er fast.
    cci1492
    cci1492


    Posts : 331
    Join date : 2016-05-09
    Age : 64
    Location : NJ

    Wiring question - Page 2 Empty Re: Wiring question

    Post by cci1492 Mon Apr 09, 2018 3:38 pm

    650°F
    avatar
    chefothefuture


    Posts : 28
    Join date : 2018-03-28

    Wiring question - Page 2 Empty Re: Wiring question

    Post by chefothefuture Mon Apr 09, 2018 4:30 pm

    I have a Hakko 888D which I have not been able to change from the pre-set 750F.
    Haven't had a problem with damage to the boards or components. The only thing I have had trouble with (and this has been with different irons) is getting the solder to properly flow in the smaller through holes. Not sure if it's a flux or solder quality issue, or bad technique.
    WireNut
    WireNut


    Posts : 67
    Join date : 2017-02-21
    Location : Twin Cities

    Wiring question - Page 2 Empty Re: Wiring question

    Post by WireNut Mon Apr 09, 2018 5:35 pm

    There are really good videos on Youtube on how to solder correctly, check a couple of them out.
    avatar
    chefothefuture


    Posts : 28
    Join date : 2018-03-28

    Wiring question - Page 2 Empty Re: Wiring question

    Post by chefothefuture Tue Apr 10, 2018 11:25 pm

    WireNut wrote:There are really good videos on Youtube on how to solder correctly, check a couple of them out.
    I have. Still have trouble.
    WireNut
    WireNut


    Posts : 67
    Join date : 2017-02-21
    Location : Twin Cities

    Wiring question - Page 2 Empty Re: Wiring question

    Post by WireNut Wed Apr 11, 2018 9:21 am

    Maybe you are using the wrong tip for the job, the thin pointed ones do not get quite the same results, I like too use a tip that is not pointed but a small spade shape, for big jobs I will use a larger spade or a knife shaped tip. Maybe some other guys can weigh in to help the chief?
    avatar
    chefothefuture


    Posts : 28
    Join date : 2018-03-28

    Wiring question - Page 2 Empty Re: Wiring question

    Post by chefothefuture Wed Apr 11, 2018 10:39 am

    WireNut wrote:Maybe you are using the wrong tip for the job, the thin pointed ones do not get quite the same results, I like too use a tip that is not pointed but a small spade shape, for big jobs I will use a larger spade or a knife shaped tip. Maybe some other guys can weigh in to help the chief?

    I also might be using too much heat and perhaps parts need to be cleaned (just saw that in a video) prior to installing.
    cci1492
    cci1492


    Posts : 331
    Join date : 2016-05-09
    Age : 64
    Location : NJ

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    Post by cci1492 Wed Apr 11, 2018 11:10 am

    practice is everything
    avatar
    chefothefuture


    Posts : 28
    Join date : 2018-03-28

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    Post by chefothefuture Thu Apr 12, 2018 9:23 pm

    Or just saying to heck with it and spend the extra $40 on a ready made board. When you think of the value in hours it takes to build the board,including troubleshooting, $40 is a great deal. The hand wiring of the rest of the amp is the fun part (for me anyway).
    deepee99
    deepee99


    Posts : 2244
    Join date : 2012-05-23
    Location : Wallace, Idaho

    Wiring question - Page 2 Empty Re: Wiring question

    Post by deepee99 Thu Apr 12, 2018 10:17 pm

    chefothefuture wrote:Or just saying to heck with it and spend the extra $40 on a ready made board. When you think of the value in hours it takes to build the board,including troubleshooting, $40 is a great deal. The hand wiring of the rest of the amp is the fun part (for me anyway).
    Yep.

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