Are these proper solder connections?

[dwz]

Are these proper connections? At first I wasn't applying enough heat so they were cold solder connections, so I held the iron on the metal for them to seep into the wire. Of course, I realized later that my soldering gun was starting to burn and I was inhaling nasty innards of the soldering gun... Well, anyways

There's also one spot I circled where I accidentally burned the wire with my soldering gun. Is that something I should be worried about? And is there a such thing as applying too much heat to the connection?

I'm soldering 16gauge rockford fosgate speaker wires to my alpines directly. Also, the 12ga terminals I'm showing need a little bit more solder but I was wondering if they look okay so far.

[cmamtower]

could be way better, if i were you. i would just go ahead and re do them so you dont have to worry about a connection problem or something falling off lol

[JaM Customs aka mprete]

they look like they will be sufficient, but they could be a little cleaned up. i would say a little to much heat in my opinion. not to the point where its bad but it would be cleaner. and the wire you circled, it should be fine as long you didnt break the wire, i would just MAKE SURE THERE IS NO EXPOSED WIRE! and if there is, i would cut that piece out or AT LEAST tape it up..

[Superjay]

your iron is too hot. the solders are shiny so they're a good connection, but MAN you need some practice with that...just start soldering stuff until you get the hang of it. remember, heat the work, not the solder.

[dwz]

I see! I had no idea my soldeing gun went to 1135 degrees whereas a normal soldering iron only goes to ~735 degrees. That could explain it.

And for the wire on the left in the third picture, did I burn the copper in the wire and should I use more solder? And if the wire does become discolored from extra heat, can that mess up the conductivity?

Lastly, would adding a little more solder everywhere be a good idea or is that sufficient? Thanks yall

[Superjay]

you burned the chrome off the terminal. discoloration is normal, charring is not. if the jacket starts to melt and you're not touching it the iron is too hot. I use a Hakko solder station so i can adjust the temp according to what I'm working on, whether it's terminals or SMD on circuit boards (surface mount devices, not steve meade designs)

[dwz]

you burned the chrome off the terminal. discoloration is normal, charring is not. if the jacket starts to melt and you're not touching it the iron is too hot. I use a Hakko solder station so i can adjust the temp according to what I'm working on, whether it's terminals or SMD on circuit boards (surface mount devices, not steve meade designs)

crap okay I'll re-do the 2 terminals... can I check how good the connections are by checking resistance with a multimeter or is there another way? thx for your help

[Superjay]

yes, use a multimeter.