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Hello :)

Please allow me to ask a question about mounting the C500G midrange, originally used in the Century Gold, i think, and then the LSR32 (and LSR6332). This wonderful little driver is still...

In the patent posted by Peter (above):

Figure 2 is a very good cross-section of the 2106H (including aluminum flux stabilization ring, but no copper on the pole for separate inductance control).
...

I know that the 2107H has a copper cap on the pole piece (because i saw it, in a JBL video!) ... similar, perhaps, to the 2164H. And i know the dimensions of the 2107H (because i just bought a...

There's increasing evidence to suggest that the new 2107H (6.5" enclosed midrange) uses a motor very similar to the 2164H ... food for thought :)

i know it's an old thread (not as old as me ...), but here's what i've learned about the 2106H (from ripping one apart):

- DC resistance is about 5 ohms (measured before dissection)
- Voicecoil...

A couple of someone's :)

Please keep us posted! I'll do the same as i learn more ...

- 15" SVG transducer, with 2226-like cone ... with new (readily-available) parts. My plan is: 2242 magnet/motor, 2226 frame, 2226 cone, former/coil tbd.

- 12" SVG transducer, with 2206-like cone...

Well, the cone on the 2226 and 2227 are definitely different ... 2226 is ribbed, 2227 is smooth. But as far as the real difference in stiffness and weight? Who knows ....

And ... the chance to...

Regarding the 2227, the answer is, essentially, yes ... with a few possible exceptions :

- a stiffer cone (from the 2226), i think, with perhaps slightly more moving mass for a slightly lower Fs...

Thanks Dave,

I think the supply of NOS (new old stock) ME150s is all-but exhausted, but i might have a lead on a single one ...
Do you have more details on the AES paper (date or publication...

The correct US patent number for the 2164H (corresponding to the AES paper) is : 9,100,738

Hello!

I have a copy of the AES paper and the patent ... i can probably get you copies, if you're still interested :)

But I'm still looking for all of the actual specs from JBL, for this...

Thank you guys!

1audiohack: the SUB1500 is quite interesting, but JBL might have gone a bit too far in cone mass (lowering both Fs and efficiency), if memory serves. And it's not readily available...

Hello forum! Please indulge me, if i may, and entertain a question or two ...

Let's say a guy holds JBL's SVG (Super Vented Gap) motor in the highest regard (for management of distortion,...