Parallel Wiring (pt 2)

[mwalluk]

I just want to make sure I have this correct.

When I get home, I plan on re-wiring my 212 cab. It was originally wired in series with two 8 ohm speakers. I replaced the speakers with two 16 ohm speakers, so I need to wire it parallel.

My cab originally had two parallel inputs, but I took out the wiring to make only one input useable. I have no need for an ext cab out.

I will be using this schematic for speaker wiring...

Now in terms of socket wiring.....

I connect the positive wire to the socket tip (green arrow) and the negative wire to the socket ring (red arrow) correct?

My socket jack has 4 tabs (3 on the ring: left, top, right and the 4th being on the tip).

Will any of the 3 (left, top, right) work or am I looking for the shortest tab? What do I look for to find the ring?

Thanks to all who's continued help makes this possible.

 

[CTN]

Re: Parallel Wiring (pt 2)

I connect the positive wire to the socket tip (green arrow) and the negative wire to the socket ring (red arrow) correct?

Yep!

My socket jack has 4 tabs (3 on the ring: left, top, right and the 4th being on the tip).

Will any of the 3 (left, top, right) work or am I looking for the shortest tab? What do I look for to find the ring?

any of the 3 will work.

 

[Dr. Vegetable]

Re: Parallel Wiring (pt 2)

Actually, the green arrow is pointing to the switched tab. You would wire to this tab only to provide an alternate signal into the circuit when a plug is not inserted into the jack. So if you wire your speaker up to that connection, it will be disconnected when you plug in a speaker cable. You want to wire to the tab that is connected to the outer/bent/longer tab, not the inner short one.

If you are not sure which is which, an inexpensive voltmeter/continuity tester can help. Plug in a cable and measure for zero ohms between the tip/sleeve of the other cable end and the various terminals on the jack.

EDIT: Make sure you get this right, or else you could end up shorting the output of your amplifier when you plug it in. That would be bad.

 

[Lewguitar]

Re: Parallel Wiring (pt 2)

Actually, the green arrow is pointing to the switched tab. You would wire to this tab only to provide an alternate signal into the circuit when a plug is not inserted into the jack. So if you wire your speaker up to that connection, it will be disconnected when you plug in a speaker cable. You want to wire to the tab that is connected to the outer/bent/longer tab, not the inner short one.

If you are not sure which is which, an inexpensive voltmeter/continuity tester can help. Plug in a cable and measure for zero ohms between the tip/sleeve of the other cable end and the various terminals on the jack.

EDIT: Make sure you get this right, or else you could end up shorting the output of your amplifier when you plug it in. That would be bad.

This is correct.

Convoy's info is not correct. Sorry man...no offense intended.

Perhaps a trip to Radio Shack is in order where a salesperson can point out the proper connections on the input jack.

 

[mwalluk]

Re: Parallel Wiring (pt 2)

Originally, AVATAR had the wires solder to the left and right tabs (actually they still are).

 

[mwalluk]

Re: Parallel Wiring (pt 2)

ANyway I can tell which is positive/negative by looking? Any markings? I noticed the socket jack has rings around it with the tabs inbetween them, should i match up the tip to the tab thats on the same ring?

 

[CTN]

Re: Parallel Wiring (pt 2)

whoops, didn't see the switching mechanism there...

The part that makes contact with the cable tip should be connected to your positive. The other tabs can be used for negative/ground.

The Jack itself shouldn't have any positive/negative-specific terminals.

 

[metlking]

Re: Parallel Wiring (pt 2)

Maybe this will help! Forget about the switch and that lug in the middle.....