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This is really interesting Charlie. Could potentially have significant impact on how the 10's crossover is physically configured. I eagerly await your conclusions!

I plan on investigating the audibility of this later but think it has the potential of having a bigger effect than changing out normal functioning resistors, caps and inductors. Have any of you tried

Guys, I found this YT video last night. It is very well done and demonstrates another reason why analog passive crossovers are less than ideal. I verified these effects are all real this morning. I

Have you reviewed the Mills MRA audio grade resistors with mil-spec 1% tolerances? They are very highly regarded in audio signals. They can be purchased at the “Parts Connexion”

Robert I measure the complex response of speaker which includes both magnitude and phase, not just the magnitude alone. ?I actual rely heavily on Group delay as one of my design analysis parameters.

You are right about the overlap, tons of that going on in a 5-way design. The beauty of the dq design is that it maintains phase coherence between drivers in regions of overlap. At least that's one of

we 1. Yes there were. The system was very dirty and had be sitting in agar for 10 years. I believe many of the errors were caused by a l *ocal third party repair service*. if you are the original

Robert, Nice lab. I agree?HiVi??is great value for the money. Your analysis of increased dome diameter impacts looks correct. I did a similar rudimentary analysis but I determined what is best by

Bill, yes the drivers are NOW wired out of phase ( which is CORRECT) as shown on the most current schematic. They have to be because each section of the crossover introduces 90 degree phase shift for

Charlie you were reading my mind - I was today going to ask if there was an update! Thanks for this. A few follow up questions: * There were a lot of issues with your pair beyond the drivers. Were

Hey Charlie, a couple of things I wanted to mention. That HiVi dome is pretty great, but there are a few things you might want to consider when using that dome; it's going to have a shorter throw, to

Are the two drivers wired out of phase the same as the schematic’s? If I’m correct that is done on some speakers for timing and dispersion? I noticed it on the specs and inspected mine which were

Sorry for the long delay in updating the project status. HiVi DMB-A 2" Fabric Dome Midrange and the ( https://www.parts-express.com/HiVi-DMB-A-2-Fabric-Dome-Midrange-297-716 ) Visaton DT94-4 0.8"

Greetings everyone, I’m going to alter my DQ10’s by mounting the banana plugs near the circuit board and will remove the rheostat from the circuit, replace with resistors. However, the original

They certainly do. And thanks so much for all your efforts. In this thread, as well as your service to this country. Come home safe. Sent: Friday, March 04, 2022 9:09 PM To:

Yes you are correct, the schematic is an early one that is of the base crossover. You are also correct about the 5.6uF capacitor. I have a newer schematic at home that I did with the new capacitors

Hi Bill, Very nice of you to put this out. I have the manual, but I’m sure some others out there would be happy to have it too. Sent: Friday, March 04, 2022 4:37 PM To:

Hi Will, I take it that the picture with the large DQ caps and the hot glue gun is the modified board. If that is the case, it would seem that the schematics you were nice enough to send are

I haven’t been following but I did see the DQ-12’s and thought I’d make this available if they needed it. Also I sure would love to test their caps, inductors and resistors with my B&K 880 LCR