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Thread: Stealth audio install -- advice?

  1. #1
    aka techweenie Eminence Gris's Avatar
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    Stealth audio install -- advice?

    Putting an "invisible" audio system in a 70 911... will use a dash speaker upgrade, and I'm looking at an amp I can put under the passenger seat with an iPhone interface. The phone will be the only audio source. The dash speaker will be the only speaker (yes, I know it's severely compromised.)

    Anyone here have experience with such a stealth install?
    techweenie.com

    My parts fetcher: 2016 Tesla S | Currently building: 73 RSR tribute and 69 RS tribute

  2. #2
    Senior Member uptheorg's Avatar
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    If you are the only one listening (i.e. you don’t have to entertain a passenger), and your only source is your phone, why don’t you do what I do? The ‘truly wireless’ headphone technology has finally reached a quality level that is quite high. I have the Jabra Elite 65T and I didn’t have to make one change to my car to get great sound...There are several of them out there (B & O, Apple, Sony, Bose) that, while expensive (>$100), will still be cheaper and less invasive to your vintage car than an ‘invisible’ system!
    Jim

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  3. #3
    aka techweenie Eminence Gris's Avatar
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    Quote Originally Posted by uptheorg View Post
    If you are the only one listening (i.e. you don’t have to entertain a passenger), and your only source is your phone, why don’t you do what I do? The ‘truly wireless’ headphone technology has finally reached a quality level that is quite high. I have the Jabra Elite 65T and I didn’t have to make one change to my car to get great sound...There are several of them out there (B & O, Apple, Sony, Bose) that, while expensive (>$100), will still be cheaper and less invasive to your vintage car than an ‘invisible’ system!
    Building the car for a client. Earphones not legal in his state. Need Bluetooth or USB input amp recommendation.
    techweenie.com

    My parts fetcher: 2016 Tesla S | Currently building: 73 RSR tribute and 69 RS tribute

  4. #4
    I recently did one in my radio-delete 72T and it came out great. Traveling today but will try to post the details tomorrow.

  5. #5
    Set up I created for my 72 hot rod build. Let’s see if uploading works...

    Name:  0BCC887C-E24D-4B85-A449-1DABBE1DD57D.jpg
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    Always Hunting...

  6. #6
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    I went a little beyond.

    I put some door speakers behind the factory pockets and perforated the door panels. Plus the stereo speaker upgrade in the factory center dash location

    Kenwood has a Bluetooth amp with a small keypad for volume and track control that easily fits in the ashtray. And the amp is very small. Fits behind the wood floor board on the passengers side. Or under the seat.

    https://www.crutchfield.com/S-ajHrEP...BoCjf0QAvD_BwE

    If you want to preserve the factory radio, this amp has a line-level pass thru, so you can still listen to local radio, if you want.
    Last edited by blucille; 10-26-2018 at 03:46 AM.
    looking for 1972 911t motor XR584, S/N 6121622

  7. #7
    I installed an exile audio bluetooth receiver behind my dash.

    https://www.amazon.com/gp/product/B0...rch_detailpage

    I used an RCA to 3.5MM adaptor to plug the bluetooth unit into the AUX input of a small amplifier running in bridged mode.

    https://www.amazon.com/iXCC-Premium-...S4G/ref=sr_1_4

    and

    https://www.amazon.com/gp/product/B0...rch_detailpage

    I tried all the aftermarket speaker setups and found that an NOS original dash speaker gave me the best sound. Everything else was just too tinny for me.

    Very pleased with the results. Completely stealth, $125 in parts, no permanent mods to the car, and install took less than an hour. My phone connects to the bluetooth and I adjust volume with my phone.

  8. #8
    Senior Member dirk07's Avatar
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    I used
    standard speaker (Königs Audio) in the dash
    Helix / Match M 5DSP amp with DSP
    monster wires Bluetooth Adapter

    The amp is compact, fits behind the radio faceplate and has lots of option but pricy.

  9. #9
    Senior Member gregbus's Avatar
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    I used the stock dash speaker hole (with new Blaupunkt speakers) to put some stealthy speakers in there. A radio delete plate to look the part. I can connect to the radio (about the size of a deck of cards) via Bluetooth on my pcone. I like it! I put the stereo unit in my glovebox when I want to change modes (it even has an FM radio...works OK, but I don't use it) or skip tracks without using your phone.

    https://www.woodyscustomshop.com/
    Greg

    “Whether you think you can, or you think you can't...you're right.” - Henry Ford

  10. #10
    Senior Member 9er's Avatar
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    Quote Originally Posted by EuroWerkz1 View Post
    Set up I created for my 72 hot rod build. Let’s see if uploading works...

    Name:  0BCC887C-E24D-4B85-A449-1DABBE1DD57D.jpg
Views: 840
Size:  116.4 KB
    Nice set up.
    I have the speaker but not the bracket.

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