@6thplanet said:
So Gowa, are the faceplates removable? Like without damaging things.
From the manufacturer:
1. I suggest not to disassemble the front panel lightly, because removing the panel requires first taking out the four screws that secure it. However, these four screws also hold the speaker's front magnet flux plate and front plastic bracket in place. Once the screws are removed, the front magnet flux plate and front plastic bracket are only held by glue. If the glue fails, the speaker could be permanently damaged.
If it is necessary to remove the front panel, be sure not to use an electric screwdriver. Instead, use a traditional manual screwdriver, applying moderate pressure and turning the screwdriver slowly to remove the screws. When replacing the panel and reinstalling the screws, do not tighten them too much. Over-tightening may cause the front magnetic flux plate to shift, which can result in contact with the voice coil and generate unwanted noise.
I'll be taking JR's suggestion and will pair these with the SB12CACS25-4 in a ~ .25ft^3 box. Initially active, and I may work towards passive. Could always stack them on some base bins for a pseudo 3-way.
Here's a couple additional at 0.59V and 5V level for added context of dynamic capabilities. This tweeter is spec'd at 91dB/1m, I got closer to 90db/1m, so 0.59V = 76.5dB, 2.8V = 90dB, 5V = 95dB.
Comments
I also received mine today
I too am a recent recipient of subject product . . . weighty package as yet unopened . . . fast shipping from the land of my birth (TO).
Thanks again "Gowa" . . . (whatever "that" means).
More on this combo later after some test measurements to see if we can make it work. WF223BD02 & AR120-6
https://www.jfcomponents.com/
Is it going to be 2.5 way?
Hopefully
https://www.jfcomponents.com/
I also received mine. From such decent packing, both face plates exhibit minor scratches/flaws.
just got mine. @hifiside are you going to throw these on your measurement rig?
So Gowa, are the faceplates removable? Like without damaging things.
Good question. I'll get you that answer shortly. Watcha thinkin?
What kind of scratches/flaws are we talking? I inspected them all and didn't see anything of concern, but I am old.
Silver faceplate coming soon.
From the manufacturer:
1. I suggest not to disassemble the front panel lightly, because removing the panel requires first taking out the four screws that secure it. However, these four screws also hold the speaker's front magnet flux plate and front plastic bracket in place. Once the screws are removed, the front magnet flux plate and front plastic bracket are only held by glue. If the glue fails, the speaker could be permanently damaged.
Tweeter number one.
Tweeter number two.
I don't know how I missed that.
https://www.rhythmacousticdevices.com/english-refund-policy
Who will be first to use these bad boys?
I'll be taking JR's suggestion and will pair these with the SB12CACS25-4 in a ~ .25ft^3 box. Initially active, and I may work towards passive. Could always stack them on some base bins for a pseudo 3-way.
^^ Exactly.
I'll try and get impedance sweeps and basic FR measurements for unit consistency soon.
Here you go. Both are with 20uF cap. FR is nearfield.
If you missed this deal, they will be at Solen shortly, at CAD$189ea.
Solen: $378 CAD = $276 USD - pair
Quick and dirty bench test. Measurement with the tweeter propped up on the edge of my desk. Mic at 315mm, tested at 2.8V = about 91dB@1m.
Impedance is similar, but not a stellar match, there's about 0.5 ohm difference between my pair at 1kHz.
For a close look at the diaphragm, it is very rigid, with half roll fabric surround suspension.
In this rough test environment, frequency response is actually quite good. Small dip from 4-5kHz.
Distortion of sample 1. Very low distortion from 2kHz and up. H2 is lower than any dome tweeter I've measured can produce.
Sample 2.
Aha! - you got the face plate -off without trouble - good to know and I'll bet Eric/6thPlanet would liked to have known this.
Thanks for the data Mr. Reed- puts it higher on my employment list now.
Hmm. Not happy with that H3 distortion. H2 I don't particularly care about.
@dcibel When you ran the distortion test, any cap installed?
No
60 dB down is 0.1%, pretty good in my book. Plus it's just a quick and dirty test.
Thanks for doing this. I have a pair waiting on the right midwoofer.
Don't expect the distortion result to change much with the slow and clean process.
Here's a couple additional at 0.59V and 5V level for added context of dynamic capabilities. This tweeter is spec'd at 91dB/1m, I got closer to 90db/1m, so 0.59V = 76.5dB, 2.8V = 90dB, 5V = 95dB.
