Nice looking sub. Seems like JBL has been studying and waiting to see where the small subwoofer market is going. Will definitely be interested to see you test it on music in your box.
I like the features. But I agree a response of 46Hz is a bit high, and power handling is on the low side. Good lookn, but needs to take a lil more power
Here's another theory I'll float concerning the voice coil layout. What if it has dual voice coils, but only one is used at a time? The switch actually flips between a 2 ohm voice coil and a 4-ohm voice coil? Huh? Maybe? That would explain why the power handling is the same between the two impedances. It would also explain why the BL only goes up 40% when switched to 4 ohm. I'm thinking of wasting 100 bucks and buying the Kappa 8-inch just so I can take it apart and see what the switch is doing. Maybe I can test it without taking it apart. If MB still has his JBL Stadium maybe he could measure for AC voltage across both sets of tinsel leads and then measure again with the switch in the other position. I think the Stadium has exposed tinsel leads. The Arena leads look hidden.
I came across a 14-year-old video when Infinity came out with this selectable impedance. Several people in the comment section claim it uses three voice coils.
MB, great video as always. Wanted to ask. Any opinions on Memphis Audio?? I got an MB 8 from them recently, sounds great considering I don't have a box. Mounted to factory location on a 2020 Civic SI sedan. But I feel like it's lacking low low notes (30hz -37hz). Would providing a good quality amplifier help?? Currently it's hooked to factory wiring with factory amp. But I know that's not enough power to get the most out of sub. Let me know. Apologize for the paragraph lol. God bless you🫡
@M.B.Enclosures what's your thoughts on the ct sound tropo 6.5 sub? I got 2 in a big ported box at 47hz tune, slams in my odyssey on 500watts @1ohm! Personally I think it'd sound better at 4 but afraid 125watts isn't enough?
I'm still trying to figure out this voice coil design. They are not clear about it and I can't find any info on it. Not even any patent info. This whole 2 or 4 ohm switch is bizarre as well. It's not internally switching coils from parallel to series. For instance, a dual 2 ohm coil would switch between 1 and 4. A dual 4 ohm coil with switch between 2 and 8. How are they switching between 2 and 4 ohm? Is it a dual 2 ohm coil and they are switching between only using 1 coil or both coils (wired in series)? That would drastically change the power handling and performance. Plus the Bl would double and it's not. It's only increasing 40% or so. A lot of mysteries with this driver. I guess the bottom line is how does it sound and perform in the real world.
I was thinking the same thing. Thanks for the catch on the dual magnetic gap. I misunderstood that so I redid the video. But the tech been in place for years now.
my audiobahn flame subs from back in the day used the same principle in regards to the spider and the cone. they were rated at 96db sensitivity with an aluminum cone. they did quite a bit with an 1100 watt rms Memphis M class from 02' .
@@Todd_G_FPV They sure did and they were only 300 bucks each and they looked cool.I've still got one sitting on a cabinet in my living room. The coil is fry'd though.
Why would you say that? This is their top-of-the-line subwoofer and cost $400. If it doesn't suit your specific needs, that's fine. You just need to go and find what works best for you. There's no need for name calling.
Nice looking sub. Seems like JBL has been studying and waiting to see where the small subwoofer market is going. Will definitely be interested to see you test it on music in your box.
Screws in a ziplock bag is crazy lol
ty soo much. Im a Stillwater fan. jbl does punch though. Your amazing.
I like the features. But I agree a response of 46Hz is a bit high, and power handling is on the low side.
Good lookn, but needs to take a lil more power
Bless u queen
Range of 50-1.5 kHz? They might want to see someone use this as a mid bass. Very interesting.
That doesn't really mean anything, the enclosure is going to dictate it's usable range.
zip lock bag, that a return?
Here's another theory I'll float concerning the voice coil layout.
What if it has dual voice coils, but only one is used at a time?
The switch actually flips between a 2 ohm voice coil and a 4-ohm voice coil? Huh? Maybe?
That would explain why the power handling is the same between the two impedances. It would also explain why the BL only goes up 40% when switched to 4 ohm.
I'm thinking of wasting 100 bucks and buying the Kappa 8-inch just so I can take it apart and see what the switch is doing. Maybe I can test it without taking it apart.
If MB still has his JBL Stadium maybe he could measure for AC voltage across both sets of tinsel leads and then measure again with the switch in the other position. I think the Stadium has exposed tinsel leads. The Arena leads look hidden.
I came across a 14-year-old video when Infinity came out with this selectable impedance. Several people in the comment section claim it uses three voice coils.
Kinda crazy how speakers can be so different but technically are all the same thing.
MB, great video as always. Wanted to ask. Any opinions on Memphis Audio?? I got an MB 8 from them recently, sounds great considering I don't have a box. Mounted to factory location on a 2020 Civic SI sedan. But I feel like it's lacking low low notes (30hz -37hz). Would providing a good quality amplifier help?? Currently it's hooked to factory wiring with factory amp. But I know that's not enough power to get the most out of sub. Let me know. Apologize for the paragraph lol.
God bless you🫡
The box is why your not getting the lows, the amp may help some but your box is where your sound really starts!
And memphis is a good produc5 but definitely stay away from some on the newer 6.5 in subs, not sure on the 8's
Memphis 6.5’s and 8’s are cookie cutter
@@M.B.Enclosures that's what I thought too
@M.B.Enclosures what's your thoughts on the ct sound tropo 6.5 sub? I got 2 in a big ported box at 47hz tune, slams in my odyssey on 500watts @1ohm! Personally I think it'd sound better at 4 but afraid 125watts isn't enough?
I think the Infinity Kappa 8 might be the smell driver, or at least very similar.
The Kappa 8 is very similar to jbl's entry level sub. Not this top of the line model.
Just look for similar prices between the two brands. Those are likely to be very similar.
I'm still trying to figure out this voice coil design. They are not clear about it and I can't find any info on it. Not even any patent info.
This whole 2 or 4 ohm switch is bizarre as well. It's not internally switching coils from parallel to series. For instance, a dual 2 ohm coil would switch between 1 and 4. A dual 4 ohm coil with switch between 2 and 8.
How are they switching between 2 and 4 ohm? Is it a dual 2 ohm coil and they are switching between only using 1 coil or both coils (wired in series)? That would drastically change the power handling and performance. Plus the Bl would double and it's not. It's only increasing 40% or so.
A lot of mysteries with this driver. I guess the bottom line is how does it sound and perform in the real world.
I was thinking the same thing. Thanks for the catch on the dual magnetic gap. I misunderstood that so I redid the video. But the tech been in place for years now.
Just review the Memphis mojo for the people one time already mb
At 50 to 1.5. does jbl consider this a midbass
It’s listed as a subwoofer
This should have a clean sound and very punchy
How bout an 05 150 with no seat lift? cause they didn't do anybody any favors on that model year.
my audiobahn flame subs from back in the day used the same principle in regards to the spider and the cone. they were rated at 96db sensitivity with an aluminum cone. they did quite a bit with an 1100 watt rms Memphis M class from 02' .
@notsure984 loved my old flame series 12's! Had 2 of them on 1200 watt hyfonics amp and they rocked!
@@Todd_G_FPV They sure did and they were only 300 bucks each and they looked cool.I've still got one sitting on a cabinet in my living room. The coil is fry'd though.
I’ll pass
Trash
Why would you say that? This is their top-of-the-line subwoofer and cost $400.
If it doesn't suit your specific needs, that's fine. You just need to go and find what works best for you. There's no need for name calling.