"Invisible" audio for the Porsche 914 |
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"Invisible" audio for the Porsche 914 |
horizontally-opposed |
Dec 20 2020, 12:43 AM
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#1
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Advanced Member Group: Members Posts: 3,441 Joined: 12-May 04 From: San Francisco Member No.: 2,058 Region Association: None |
Plans to go for a drive in my 914 this weekend were dashed by yesterday's stay-at-home alert, so I finally dug into a minor project I've been putting off: Rebuilding the car's 28-year-old audio system. While it performed well for 15-20 years, a mixture of age, heat, moisture, etc eventually caught up to it.
System goals: 1) Install a system powerful enough to be enjoyed with the top on or off; 2) maintain/improve "period correct" appearance with no head unit and, if possible, no visible speakers; 3) minimize weight; 4) avoid or minimize additional holes/etc. I'm going into this with the understanding that it's entirely possible the exercise will be futile with a 2.2-liter flat six, but I have been collecting the parts over time and figure it's worth a shot. Some of this stuff has been sitting for years and thus may not be available anymore—but plenty of alternatives are. Old system components: Pyle graphic EQ turned on/off by factory rear defrost switch Pioneer fan-cooled amplifier (~1991) Boston Acoustics four-speaker set in doors (~1991) Pioneer ducted bass wedge in passenger footwell New system components: Smartphone with a proper mount > EQ Blaupunkt five-channel parametric EQ JL five-channel amplifier JL six-speaker set for factory speaker enclosures and door ?? subwoofer in passenger footwell (prepare for now, add later) Fair warning: This thread may proceed at a glacial pace, as midlife plus a small business means my days in the garage are fairly rare in this chapter. I'm also figuring this out as I go, and will use this thread as a journal and a place to share ideas. |
914_7T3 |
Jan 9 2021, 04:24 PM
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#2
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Please forgive me, I'm new to all of this! Group: Members Posts: 1,862 Joined: 3-April 17 From: Los Angeles, CA Member No.: 20,991 Region Association: Southern California |
@horizontally-opposed
Can you share the spec on the ABS plastic that you ordered to create the template for the stock enclosures? I need to replace my speakers and realized that the original size 5"x7" will not fit. Just ordered a pair of 4"x6" Polk Audio with 1 3/4" mounting depth and need to create an insert in which to mount them in. Thanks |
horizontally-opposed |
Jan 10 2021, 03:31 PM
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#3
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Advanced Member Group: Members Posts: 3,441 Joined: 12-May 04 From: San Francisco Member No.: 2,058 Region Association: None |
Can you share the spec on the ABS plastic that you ordered to create the template for the stock enclosures? Yep. Just measured it, and it looks like 3/16 inch—though it might have started as 1/4 inch before I got to sanding the back. (IMG:style_emoticons/default/wink.gif) |
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