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Discussion Starter #1
I would like to give my impressions of a Stereo Integrity's 12 Mag v3
because that fact is there isn't much out there for the new re-released
model. I am by no means an expert in audio but I have gotten to listen to
many main stream sub setups like the JLW7, W6, TW5, all of Alpines
offerings, Fi BTL and Team subs, Skar Audio's offerings, Soundqubed, and
Memphis Audio as well. The JL W6 being the most comparable.

Now for a little background, I have had this sub for a couple of months now
in my 97 Acura CL which is my daily driver and it is blending great with the
rest of my equipment in this car. I went more towards a budget build finding
deals were I could and trading some equipment for other pieces as well.
Source unit is a Clarion CZ702 running to an Audio Systems X-Ion 70.6. On
the first 4 channels of the 70.6 I have HAT Imagine 6.5 set and the 5 and 6
channels are bridged together running the SI 12 Mag v3. All of it is being
ran active with the CZ702 and man I can't be more happy with the $100 spenton that head unit.

Now for the 12 Mag v3, this subwoofer is fantastic. I have it in a 1.75 ft3
enclosure tuned to 33hz off of 380wrms. I am totally blown away with how
natural sounding and transparent this sub can be and how rowdy it gets the
next. Now I loved my 12W6v2 and before owning the Mag v3 I still consider
that sub to be in my top 3 of all time cause I beat the hell out of it and
it just took it like a champ now I'm not so sure.
Now for a little breakdown.
Listening habits: Rock/classic rock mainly and R&B when my wife is in the
car.

Songs:
Atomship- Agent Orange, around the end of the song there is a huge bass linein this song and actually sounds like a 40hz test tone. I use this to see
how well a sub can produce that tone at a high volume. Its surprising how
many can't without sounding strained specially going right into kick drums
immediately after. Mag v3 handled it perfectly.

Guns and Roses-Civil War, just a great classic rock song that isn't bass
heavy but I have found on less quality subs they can really stand out in the
song and make it sound sloppy. The Mag v3 just kept up with kick drums and
really re-enforced the mids to sound really natural, like being at the
concert.

Lorde- Royals, bass line can sound really odd in this song with a lesser
quality sub again the Mag v3 blended effortlessly
There are so many other songs out there but those are the ones that stand out to me the most.

Performance: The Mag v3 is every bit the sub that the W6v2 was.

Price: I don't think I could ever justify the price of the W6 again while
the Mag v3 is on the market, it's a third of the price!

Verdict: I don't think I could recommend a better subwoofer if space isn't
an issue, the enclosure is large and that maybe is the only downfall to this
sub, but I would be willing to sacrifice the room. For the folks out there
that have bass head tendencies like I do but also like a clean sounding sub
this is the ticket. Thanks for reading and all comments are welcome.
 

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Discussion Starter #2
Please forgive me if I sound like I'm rambling, it's my first complete review I've attempted.

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Discussion Starter #4
Thank you, It really has impressed me, I will by changing my tw5 in my truck to one of these down the road.

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Discussion Starter #5
Great time to snag one of these at $140 a piece.
 

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Can't wait to get mine installed.
 

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I would like to give my impressions of a Stereo Integrity's 12 Mag v3
because that fact is there isn't much out there for the new re-released
model. I am by no means an expert in audio but I have gotten to listen to
many main stream sub setups like the JLW7, W6, TW5, all of Alpines
offerings, Fi BTL and Team subs, Skar Audio's offerings, Soundqubed, and
Memphis Audio as well. The JL W6 being the most comparable.

Now for a little background, I have had this sub for a couple of months now
in my 97 Acura CL which is my daily driver and it is blending great with the
rest of my equipment in this car. I went more towards a budget build finding
deals were I could and trading some equipment for other pieces as well.
Source unit is a Clarion CZ702 running to an Audio Systems X-Ion 70.6. On
the first 4 channels of the 70.6 I have HAT Imagine 6.5 set and the 5 and 6
channels are bridged together running the SI 12 Mag v3. All of it is being
ran active with the CZ702 and man I can't be more happy with the $100 spenton that head unit.

Now for the 12 Mag v3, this subwoofer is fantastic. I have it in a 1.75 ft3
enclosure tuned to 33hz off of 380wrms. I am totally blown away with how
natural sounding and transparent this sub can be and how rowdy it gets the
next. Now I loved my 12W6v2 and before owning the Mag v3 I still consider
that sub to be in my top 3 of all time cause I beat the hell out of it and
it just took it like a champ now I'm not so sure.
Now for a little breakdown.
Listening habits: Rock/classic rock mainly and R&B when my wife is in the
car.

Songs:
Atomship- Agent Orange, around the end of the song there is a huge bass linein this song and actually sounds like a 40hz test tone. I use this to see
how well a sub can produce that tone at a high volume. Its surprising how
many can't without sounding strained specially going right into kick drums
immediately after. Mag v3 handled it perfectly.

Guns and Roses-Civil War, just a great classic rock song that isn't bass
heavy but I have found on less quality subs they can really stand out in the
song and make it sound sloppy. The Mag v3 just kept up with kick drums and
really re-enforced the mids to sound really natural, like being at the
concert.

Lorde- Royals, bass line can sound really odd in this song with a lesser
quality sub again the Mag v3 blended effortlessly
There are so many other songs out there but those are the ones that stand out to me the most.

Performance: The Mag v3 is every bit the sub that the W6v2 was.

Price: I don't think I could ever justify the price of the W6 again while
the Mag v3 is on the market, it's a third of the price!

Verdict: I don't think I could recommend a better subwoofer if space isn't
an issue, the enclosure is large and that maybe is the only downfall to this
sub, but I would be willing to sacrifice the room. For the folks out there
that have bass head tendencies like I do but also like a clean sounding sub
this is the ticket. Thanks for reading and all comments are welcome.
Your review really helped me make up my mind to step up and buy 2 @ the steal of a price.
My only question, how much port area are you using?
Nick said 1 4" round per 1.5 cube. I modeled it in BBP and it gets `fairly high.' I'm not saying this is entirely bad since I have found my most musical enclosures had a higher port velocity. Your input is appreciated.
BTW this will be a 3-3.5 cube tuned 32-35Hz. ( 2 of 'em)
 

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Discussion Starter #8
Your review really helped me make up my mind to step up and buy 2 @ the steal of a price.
My only question, how much port area are you using?
Nick said 1 4" round per 1.5 cube. I modeled it in BBP and it gets `fairly high.' I'm not saying this is entirely bad since I have found my most musical enclosures had a higher port velocity. Your input is appreciated.
BTW this will be a 3-3.5 cube tuned 32-35Hz. ( 2 of 'em)
That's going to rock man, I have actually a 2.5 in round port (it's what I had on hand), but I also never get close to driving the sub to xmax. When I do let it buck it does have a good deal of Port noise. I say Nicks recommendation would sound great.

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That's going to rock man, I have actually a 2.5 in round port (it's what I had on hand), but I also never get close to driving the sub to xmax. When I do let it buck it does have a good deal of Port noise. I say Nicks recommendation would sound great.

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Thanks for the quick reply, I just remembered the temp enclosure I will be trying these in has a removable port section so I'll attempt the 2x4" 1st and step up to 3x4" if needed.
I'm glad I got in before the $999 hit!
 

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Discussion Starter #10
Lol men to man as soon as I saw Nicks post I bought a second one and my wife bought the TM65s. I'm going great to get a bigger port one day as I still haven't put a finish on my box.

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Just got one myself, should be plenty given my preference in output levels. May try putting it into the JL 12W7 HO enclosure I have.

Looking to pick up a set of TM65's in about 8 weeks when they "should" be back for sale (hopefully at the same $99 price).
 

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Discussion Starter #12
I bet it does well in the HO enclosure, I had a W6 in a sealed W7 box and it was impressive. I can't wait to get the 6.5s, I like my hertz ml1600s but to have an entire xbl front stage will be cool in my truck.

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I hope so, I had planned to originally put an Infinity 1260w into it, but decided not to. Still need to get an MDF ring for mounting a sub into it, as the JL W7 has many more mounting holes and I think/feel it'd be easier to put some T-nuts into the existing holes and then mount the ring to mount the sub.
 

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Discussion Starter #14
Not bad idea.

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I'm hoping it's a good idea, but I know it'll alter the internal volume and alter the port tuning ever so slightly. Don't remember 100%, but want to say the enclosure is 2.5cuft tuned at 34Hz. Probably remembering incorrectly though. LOL
 

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Discussion Starter #16
Lol if it's that big after port don't throw 1000w at it or you'll have a bad time.

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Yeah, I honestly don't remember what I calculated it to be once upon a time and I think a member on here actually told me what it they found it to be, which was an active member who claimed to have been around many of said enclosure.

I'm sure it's no smaller than 1.75cuft, but want to say it was 2.5cuft. Then again, that may have been before accounting for port and bracing displacement.
 

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Oh, and given the MAG is supposedly DVC 2 ohm, I'd be forced to either buy a new amp or run it at 4 ohms as I don't have anything that does 1K at 1 ohm.

Wait, yeah I do. Well, rated to do anyways. Memphis 16-MCD1000.

But I could potentially wire it for 4 ohms and feed it up to 700RMS or as little as 300RMS depending on the amp I opt to use from my collection.
 

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Discussion Starter #19
I'd just keep gains low when you first give it a go.

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Discussion Starter #20
I'll be giving my next one 1100w at 4 ohms so I'll be sticking closers to the recommended specs.

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