Soldering the tabs on the transformer leaving an ugly joint

neddoge · 1682

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Offline neddoge

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I switched to a chisel tip that doesn't look as good (tinned) as my conical tip so this may be a confounder, but I haven't seen joints form like this with anything else I've played around with before starting this crack assembly.

The transformer tabs have a yellow tinge to them, which is shown below. Should I reflow these? Could this be the finish melting with the solder and flux?

Jonathan Neddo
Enthusiast in the making
Uber Stack > HD650, HE400i, THX00(m), SE215


Offline neddoge

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(https://forum.bottlehead.com/proxy.php?request=http%3A%2F%2Fi.imgur.com%2FTSx0lYL.jpg&hash=e12ed0e1c918ba76a4d78462a770b0a0be2b979d)

Jonathan Neddo
Enthusiast in the making
Uber Stack > HD650, HE400i, THX00(m), SE215


Offline neddoge

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(https://forum.bottlehead.com/proxy.php?request=http%3A%2F%2Fi.imgur.com%2Ft6uVyML.jpg&hash=fe71f001e7d90275ee197661a9da25d594eb77a4)

Jonathan Neddo
Enthusiast in the making
Uber Stack > HD650, HE400i, THX00(m), SE215


Offline Doc B.

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It's just the varnish on the tabs. If you have good continuity it's nothing to worry about.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.


Offline neddoge

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Thanks for the help on a Sunday afternoon!

Jonathan Neddo
Enthusiast in the making
Uber Stack > HD650, HE400i, THX00(m), SE215


Offline Paul Birkeland

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Those joints look great!  If the rest of your build is that solid, you'll have a great sounding amp.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man