Marine Electronics Forum - Infinity marine speakers vs. alpine marine

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nitz
03-28-2012, 07:01 AM
Infinity marine 6x9's (model 6912m) vs. alpine 7" (sprm700). Both speakers are about the same price. Which is better? They will be used with a 2 channel amp and an ipod. I know jl audio is better, but chose to spend the money on spray rails so have to stay within budget. Thanks in advance.


Glen E
03-28-2012, 07:25 AM
Infinity marine 6x9's (model 6912m) vs. alpine 7" (sprm700). Both speakers are about the same price. Which is better? They will be used with a 2 channel amp and an ipod. I know jl audio is better, but chose to spend the money on spray rails so have to stay within budget. Thanks in advance.

dont do 6 x 9's ...they don't sound any better than a good 6.5 inch or 7.7 and you have a big hole left....get the alpine...there is a reason JL does not make a 6 x 9...

the_gooch
03-28-2012, 07:32 AM
dont do 6 x 9's ...they don't sound any better than a good 6.5 inch or 7.7 and you have a big hole left....get the alpine...there is a reason JL does not make a 6 x 9...
+1

6 x 9's be the devil.


192Tourney
03-28-2012, 07:41 AM
FWIW, I have 4 Alpine 6.5” speakers in my boat. (SPS-M600s) Good sound quality and they have held up very well to the elements. No complaints whatsoever.

nitz
03-28-2012, 08:05 AM
Glen i could get the round infinity speakers, would you still stick with the alpines?

Glen E
03-28-2012, 08:15 AM
toss up......

superknt
03-28-2012, 08:18 AM
I have 2 years on the 6X9's Infinity --- no problems -- made some nice boxes for them and they are under the gunnel. They still sound great and get used each week all year round.

nitz
03-28-2012, 09:10 AM
Ordered the round infinitys. Thanks,

dukey
03-28-2012, 09:14 AM
dont do 6 x 9's ...they don't sound any better than a good 6.5 inch or 7.7 and you have a big hole left....get the alpine...there is a reason JL does not make a 6 x 9...


glen
my boat already has 3 pairs of 6x9's
to me, it would be a neater install to just use the existing holes and not some type of wonderboard

should i still stay away from the 6x9's?

Glen E
03-28-2012, 10:25 AM
If you already have holes, then stay that way....my comments are for people that haven't drilled any yet.

One Tough Kitty
03-28-2012, 10:46 AM
If you already have holes, then stay that way....my comments are for people that haven't drilled any yet.
Glen who makes a good 6x9 speaker? I currently have (4) 6x9 infinity's that I need to replace

Pipo6007
03-28-2012, 10:54 AM
glen
my boat already has 3 pairs of 6x9's
to me, it would be a neater install to just use the existing holes and not some type of wonderboard

should i still stay away from the 6x9's?

Each brand of 6x9 has their own shape and bolt pattern. If you are happy with what you got and don't want to modify then just stick with the brand you have. I ended up making plates to cover the holes and going with another brand of 7.7 inch speakers. I will post pics over the weekend so you can get an idea.

MB Marine Electronics
03-28-2012, 12:59 PM
Each brand of 6x9 has their own shape and bolt pattern. If you are happy with what you got and don't want to modify then just stick with the brand you have. I ended up making plates to cover the holes and going with another brand of 7.7 inch speakers. I will post pics over the weekend so you can get an idea.

Did you end up making the plates yourself?

I'm on a boat
03-28-2012, 01:52 PM
dont do 6 x 9's ...they don't sound any better than a good 6.5 inch or 7.7 and you have a big hole left....get the alpine...there is a reason JL does not make a 6 x 9...

Glen E = right again.

Rico2
03-28-2012, 04:00 PM
Infinity rounds are awesome. I have four. Going on 5 years old. Sound is killer. Only sending mid and treble to them, All the bass signals goes to the sub.

Pipo6007
03-28-2012, 06:55 PM
Did you end up making the plates yourself?

No I had a plexiglass shop make them. It wasn't much more then getting starboard ones made.

dukey
03-29-2012, 12:48 PM
Each brand of 6x9 has their own shape and bolt pattern. If you are happy with what you got and don't want to modify then just stick with the brand you have. I ended up making plates to cover the holes and going with another brand of 7.7 inch speakers. I will post pics over the weekend so you can get an idea.

mb quarts from prior owner
sound great, look like sh-t
rusted, cracking etc

dawgmode
03-30-2012, 12:06 AM
What is so bad about 6x9's? i always thought they had a better bass reproduction then a 6.5 speaker

MB Marine Electronics
03-30-2012, 06:11 AM
What is so bad about 6x9's? i always thought they had a better bass reproduction then a 6.5 speaker

Biggest problem is the lack of manufacturers making them. None of the top marine audio manufacturers make them any more. With manufacturers discontinuing them you wouldnt want to make new 6"x9" holes if you wont be able to find any of them in a couple years.

sealion2288
03-30-2012, 07:30 AM
Oval speakers were developed for the rear dash of cars. Have you ever seen oval speakers in home stereo applications? You probably wouldn't notice the difference, but I have always understood that round speakers produce better low end.

dukey
03-30-2012, 08:20 AM
Each brand of 6x9 has their own shape and bolt pattern. If you are happy with what you got and don't want to modify then just stick with the brand you have. I ended up making plates to cover the holes and going with another brand of 7.7 inch speakers. I will post pics over the weekend so you can get an idea.

would love to see the pix, thanks

Glen E
03-30-2012, 09:38 AM
plates we made at elec unlimited:

http://www.elec-unlimited.com/smf/index.php?topic=93.0

Pipo6007
04-02-2012, 08:04 AM
would love to see the pix, thanks

After a weekend of installing here are the pics. We ended up needing backing plates made from starboard because after the plates were made the fabricator recommended not to screw into acrylic. These speakers are not going anywhere!

MB Marine Electronics
04-02-2012, 11:53 AM
What did they charge for the acrylic and starboard plates?

Pipo6007
04-02-2012, 06:16 PM
The acrylic plates were a little bit more than what others were charging for starboard. Since he already had the measurements in the CNC Machine the starboard plates were really inexpensive.



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