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Old 28th November 2004, 04:15 AM   #1
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Default Gauss 3288 12" Co-axial Speakers

Does anyone has the information (such as dimensions, diameter/length of port, etc.) of the cabinets for Gauss 3288 12" co-axial speakers?

Any information is highly appreciated. Thanks in advance.
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Old 28th November 2004, 05:31 AM   #2
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Location: Belgium
cabinet: 7228
components: 3288
usable bandwith: 40-18000Hz
pattern: 40x40 degrees
roll-off 5000Hz
x-over 1600Hz
dimensions: 211/2"x18"x16 1/2"
weight: 73 lbs

on the speaker itself:
xmax linear: 0,150"
xmax: 0,300"
resonance free air: fs=45Hz
Vas=1,5 ft^3
flux density 13500 gauss
sensitivity 91 dB
program power 400W

program power 80W
on-axis bandwith 2-18 KHz
flux 19000 gauss
sensitivity 110 dB
Rdc 4,7 ohm

That's all I've got
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Old 28th November 2004, 10:17 AM   #3
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Location: Hong Kong
Hi Lieven,

Thank you for your prompt reply and valuable information. The data that you provide for the Gauss 3288 unit agree exactly with the Gauss 3288 datasheet that I have.

Glad to know that the model no. of the cabinet is 7228 as well as the cabinet dimensions (21 1/2" x 18" x 16"). Is 21 1/2" the width or the height? Do you have the picture showing the front of the cabinet so that I can get more information regarding the port?

As a side information, I have a picture of the Gauss 7258 (cabinet for the Gauss 3588 15" co-axial unit) which show that there are two rectangular ports on either side the the Gauss 3588, and the width of the cabinet is greater than the height.

Looking forward to hearing more from you. I really appreciate your kind assistance. THANK YOU!

Best Regards,

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Old 28th November 2004, 11:46 AM   #4
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Location: Belgium
21 1/2 " is the width and at first sight the little 7228 is just a shrinked version of the bigger 7258 (29"x24"x19 1/2"), including the sizes of the ports:
just a guess:
port hight: 30% of total enclosure size,
width: half of enclosure width free between side wall and speaker outer bord.

The picture is showing the 7228 on an angled view beside the 7258.
So my guess is that it's all by rule of thumb an nearly exact shrinked version of the picture you've got.
See also in

there is mentioned
Mms=115 gram ????? not shure that's correct (Xmax is stated at 9mm wich is far from original numbers)
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Old 28th November 2004, 12:58 PM   #5
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The information is really helpful to me. THANKS A LOT!!
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Old 28th November 2004, 03:07 PM   #6
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Location: Costa Rica
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73lbs, what a monster. I've been looking for something to put in a Jensen Imperial rear horn and this thing models quite well in a 2/3 wide version. +/- 3db 30-100hz at 97db/1w/1m against a wall, so you'd have to EQ the bass down some below 100, then the front radiation takes over cleanly.
Everyone has a photographic memory. It's just that most are out of film.
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