Initial Results after adding Tweeters

[kvb968]

Purchased a set of Hertz c26 tweeters off eBay to upgrade my KEF audio. I read everyone’s comments on properly wiring them into the system. I closely studied the photos of the drivers and the comments of others. I realize the photos in an earlier comment are from a British viewer, but the wiring for the combination midrange/tweeter is the same worldwide. It is clear from the photos, that on the midrange, there are 4 wires, and that the bottom two wires are the tweeter wires. Furthermore the right bottom wire is the positive connection. After looking carefully at this and the comments, the proper colored wires to tap for tweeter additions are as follows:
Driver Side:
+ Purple/Black
- Blue/White

Passenger Side:
+ Purple/White
- Blue/White

 

[silent cilantro]

@Chriscpm @crestima @netsinah @Ryan_929 @kvb968 @jp129

I've read this thread multiple times and I only get more and more confused lol. Hoping you guys can shine a light.

Here is what I gathered. This pertains to LHD cars and to tweeter wiring only. Not main speaker wiring.

As you can see there are several discrepancies. Has a consensus been reached of what the right cables to tap are in order to add tweeters to the existing tweeter circuit? Maybe in another thread I missed?

 

[netsinah]

Thanks for the comparison silent cilantro and trying to reconcile the different postings. I know my wire coloring is accurate, however I can't swear by the polarity. All I know is my tweeters work AOK as set-up. I tested each speaker, before finalizing the wiring connections and doing clean-up. Perhaps if there's an "electrician" or someone ++ good with automobile speakers, they can confirm that the polarity, if consistent, will work either way(?). I say this, since I expect the different polarity used by others likely worked too. I'll wait with interest, to see your other responses.

 

[crestima]

@Chriscpm @crestima @netsinah @Ryan_929 @kvb968 @jp129

I've read this thread multiple times and I only get more and more confused lol. Hoping you guys can shine a light.

Here is what I gathered. This pertains to LHD cars and to tweeter wiring only. Not main speaker wiring.

View attachment 71237

As you can see there are several discrepancies. Has a consensus been reached of what the right cables to tap are in order to add tweeters to the existing tweeter circuit? Maybe in another thread I missed?

When I installed my A-pilar tweeters, I recall testing "by ear" reversing the double set of wires on each side and honestly to my ears I couldn't tell a difference in sound quality or volume emitted from the new tweeters, nor did I detect any difference coming from all other OEM speakers. Having said this, if one want's to be absolutely certain of nailing the correct wire polarity, it's hard to argue with the effectiveness of @netsinah's old fashion, yet bullet proof, 9volt battery test method.

 

[silent cilantro]

We can also test polarity with a multimeter, I think the most important thing for others that come after us is to identify the proper wires to tap.

There is one more variation I missed in the spreadsheet above and it's what @Medic518 and @jp129 did:

I think they are correct based on these pictures from @KJWEmira

 

[jp129]

Spicy oregano and I spoke directly and I checked my wiring today. I realized I didn't update or post what I did after my initial question.

 

[NJemira85]

We can also test polarity with a multimeter, I think the most important thing for others that come after us is to identify the proper wires to tap.

There is one more variation I missed in the spreadsheet above and it's what @Medic518 and @jp129 did:

View attachment 71260

Based on these pictures from @KJWEmira I think they are correct.

View attachment 71261
View attachment 71262

Does this mean, if one taps tweeter wires, no additional crossover/filter is necessary?

That’s easy money

 

[silent cilantro]

correct!

 

[NJemira85]

correct!

Now to harvest a pair of matching kef tweeter out of the coaxial drivers
..

 

[silent cilantro]

The one thing I’m questioning is in the left speaker the alleged tweeter wires (blue/white and purple/dark purple) are in the bottom pins of the connector.

In the right speaker, the alleged tweeter wires (yellow/white and purple/green) are in the top pins of the connector.

You’d think they’d be the same on both connectors