I got them for an impedance jig, but I’m still using my DATS V3 so I haven’t used them and they are still in their bag.
I make my own alligator clip jumpers. Soldered w 18G stranded wires. If I ever have a anomalous measurement during final crossover tweaking, I double up on all the jumpers.
1 Like
I wonder how many people have been bitten by the junky PE type jumper leads over the years. I bought a bag of nice alligator clips from Amazon and made my own with 16 ga wire, solid crimps, and soldered to boot.
1 Like
Regarding the PE jumper leads.. The showroom guys told me they were spec’d to be soldered and didn’t realize until later the manufacturer shafted them. How true that is IDK, but they did clearence them out for a few years.
I ordered some gator clips from Amazon to build some leads, but probably going to return them and just use lever clips and wire like Ben suggested. Since I’ll probably never build two pair of 3-way speakers at the same time again, I should have an abundance of extras to use. And if not, the box of like 50 of them was cheaper than the alligator clips. Not as convenient, but not bad either.
Remeasured the speakers. As Bob Ross would say, a happy little accident here that the Alphas measure exactly the same between the wire and the alligator clips. They’re just 2+ db more efficient with the wire. So they are still good to go.
Alphas, SPL adjusted to overlay. Clips vs 16ga wire.
Not sure why the Peerless are behaving so much differently. 2-3db rise on the top end with the wire as opposed to the leads. Also not sure why the FR below 500hz is 1-2db lower than when I measured them a couple weeks ago. They’re generally in the same location in the room, same mic distance, etc. Even in the measurement with the wire as opposed to the leads the low end has less output.
Blue is the original measurement. Purple is wire, red is leads. Going to have to do some tweaking, and see if that drop in the low end is real. It happens with both Peerless speakers, but not the Alphas? So it’s gotta be something with the speakers and not the environment
I would also like to say the Alphas make me feel vindicated. I’ve always used those alligator clip leads and have always taken before and after measurements, and I’ve never seen them off like the Peerless are. I didn’t necessarily level match them so the efficiency I’m not surprised, but as far as the shape of the curve, it’s always matched. I thought I was crazy until I measured the Alphas, and they too matched.
In my book, big(ish) differences in FR that should be the same always was traced back to bad(ish) alligator clip jumpers. Glad to hear that the Lever Lock connectors are solid,
I noticed differences with Wagos when I moved the circuit around. If I suspect there will be big differences I’ll just do a flying lead quick solder job.