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    991 Sound systems comparison

    WEIGHT (grams) One dashboard
    midrange
    Two dashboard
    tweeters
    Two rear
    tweeters
    Two front door
    and two rear
    midrange
    Two front door
    woofers
    One wind deflector
    subwoofer
    Total Difference
    from standard
    Difference
    between them
    Standard (9 speakers) 120 34   130 920   2548    
    Bose (12 speakers) 160 45 45 370 982 1100 4884 2336 2336
    Burmester (12 speakers) 190 200 51 210 1050 1900 5532 2984 648
                       
    POWER (Watts) One dashboard
    midrange
    Two dashboard
    tweeters
    Two rear
    tweeters
    Two front door
    and two rear
    midrange
    Two front door
    woofers
    One wind deflector
    subwoofer
    Total Difference
    from standard
    Difference
    between them
    Standard (9 speakers) 25     25 55   235    
    Bose (12 speakers) 25     40 80 100 445 210 210
    Burmester (12 speakers) 41 25 25 50 90 300 821 586 376
                       
    IMPEDANCE (Ohms) One dashboard
    midrange
    Two dashboard
    tweeters
    Two rear
    tweeters
    Two front door
    and two rear
    midrange
    Two front door
    woofers
    One wind deflector
    subwoofer
         
    Standard (9 speakers) 4 4   4 4        
    Bose (12 speakers) 4 4 4 2 1        
    Burmester (12 speakers) 2 6 4 2 1        
                       
    SIZE (mm) One dashboard
    midrange
    Two dashboard
    tweeters
    Two rear
    tweeters
    Two front door
    and two rear
    midrange
    Two front door
    woofers
    One wind deflector
    subwoofer
         
    Standard (9 speakers) 80 19 (19) 0 100 200 (36) 0      
    Bose (12 speakers) 80 19 19 100 220 130      
    Burmester (12 speakers) 80 AMT 25 (25) 100 220 (36)        
                       

     


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    Notes:
    - The Bose subwoofer is 160W but car's chassis only attains 100 watts;
    - The two Burmester  dashboard mounted tweeters are AMT type (Air Motion Transformer);
    - Also coil diameters are displayed in brakets;
    - Magnet material everywhere is Nd.

     


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    and all that means most sensible choice is?


    Re: 991 Sound systems comparison

    Depends on what you want... Price per value seems the Bose is the best...


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    Thanks for the detailed info. I think the systems need to be listened to before making a decision. The Bose in the 997 is r u b b i s h angry Hopefully it has been improved for the 991. If not I would take the Burmeister... or the standard system, to rip it out and replace it with quality HiFi components for a fraction of the price.


    --

    Porsche 997 Carrera S in Carrara White with black leather interior. PASM-Sport Suspension (-20 mm), PSE.

    Audi S5 cabrio in Ibis White with black leather interior.


    Re: 991 Sound systems comparison

    981 Bose is much better than 987.

    clearer, more punchy, much improved performance all round.

    also helps that 981 is much quieter roof up than 987


    Re: 991 Sound systems comparison

    Thanks for the comparison! wink

    Great info! kiss


    --

    The secret of life is to admire without desiring.


    Re: 991 Sound systems comparison

    Your welcome! :)


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    Great info kiss Where dd you come across it? I steered away from Bose as I assumed it would be a lot heavier. Seems the differences are pretty negligable.


    --

    2011 987S, 1964 Type 1


    Re: 991 Sound systems comparison

    I have a very special relation with my dealer :)


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    This is just the weight of the speakers... I would estimate a minimum of 500 extra grams in cables... And the digital and more powerful amplifier must add some weight too... Nuts&bolts and speaker's grills... Anyway, yes, in the end compared with the standard system I would say we are talking about 4 extra kilos.

    But most of the weight is added in the doors... At least the doors are in front of the engine :D lol


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    Pentium:

    Depends on what you want... Price per value seems the Bose is the best...

    Definitely. Smiley


    --

    RC (Germany) - Rennteam Editor Porsche Panamera Turbo S, BMW X5M, Mercedes C63 AMG Coupe PP/DP, Mini Cooper S Countryman All4


    Re: 991 Sound systems comparison

    Pentium:

    But most of the weight is added in the doors... At least the doors are in front of the engine :D lol


    Did I mention that you are hilarious? Smiley

    I doubt you can notice the four kilos of weight difference on a 1,5 ton car. I do believe though that you can hear the difference... I guess the amplifier is still located in the trunk up front, which would benefit weight distribution even further. Smiley


    Re: 991 Sound systems comparison

    I was joking man! :) Noticed the :D and the "lol"? However... the doors ARE in front of the engine! Hi hi hi
    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    Found a nearly new 991 with ideal spec.. only thing missing seems to be the BOSE system.. very odd it had not been ordered with it..

    Do you think if I were to replace all the speakers with quality ones and leave EVERYTHING else as is..  I could still get a decent sound ? I am not looking for power at all.. rarely crank up the volume but I do enjoy good sound.

    And also want to avoid any issues with Warranty... so thinking just replacing speakers i might get away with it. Adding amps here and there will definitely cause issues.

    R


    Re: 991 Sound systems comparison

    Rosino:

    Found a nearly new 991 with ideal spec.. only thing missing seems to be the BOSE system.. very odd it had not been ordered with it..

    Do you think if I were to replace all the speakers with quality ones and leave EVERYTHING else as is..  I could still get a decent sound ? I am not looking for power at all.. rarely crank up the volume but I do enjoy good sound.

    And also want to avoid any issues with Warranty... so thinking just replacing speakers i might get away with it. Adding amps here and there will definitely cause issues.

    R

    I can only answer for the 987/997 where replacing all the speakers but keeping the standard amplifier does make a more decent sound. I don't know if the speakers have been upgraded in the 981/991.

    I would suggest you google it. Many owners (especially in the US) have replaced various parts of the sound system. When I researched the topic two years ago I found several write-ups on other forums which helped me decide.

    PM me if you want more details.


    --

    Porsche 997 Carrera S in Carrara White with black leather interior. PASM-Sport Suspension (-20 mm), PSE.

    Audi S5 cabrio in Ibis White with black leather interior.


    Re: 991 Sound systems comparison

    Usually people planning to replace the sound system of a car don't add sound systems to the options list.

    You should also ask your Porsche dealer if a Bose retrofit if possible... It will be very expensive though...

    The big problem with the standard system is the fact it's an analog system BUT that it is very good thing in your case because by simply replacing the speakers you are going to increase the quality of sound for sure. Just pick speakers of same impedance and you are done. No subwoofer though for you :(


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    Rosino:

    Found a nearly new 991 with ideal spec.. only thing missing seems to be the BOSE system.. very odd it had not been ordered with it..

    Do you think if I were to replace all the speakers with quality ones and leave EVERYTHING else as is..  I could still get a decent sound ? I am not looking for power at all.. rarely crank up the volume but I do enjoy good sound.

    And also want to avoid any issues with Warranty... so thinking just replacing speakers i might get away with it. Adding amps here and there will definitely cause issues.

    R

    much better to find a car with BOSE .. retrofitting will be impossible or impossibly expensive.

    non OEM components may lead to warranty complications,

    and on top of all that, do you really want your car dismantled and reassembled?


    Re: 991 Sound systems comparison

    The question might also be... is the standard system that bad ? Haven't had the chance to review it in person yet.. 

    As for dismantling / reassembling.. is it that complicated to replace some speakers ?


    Re: 991 Sound systems comparison

    Giving the position of the speakers in the car, yes, it is very complicated. We are talking about dismantling&reassembling the doors, the dashboard, the rear panels, etc. Probably to get access to the rear speakers you also need to remove the front seats.... a loooooot of service hours....


    --

    There is no try. Just do.


    Re: 991 Sound systems comparison

    I have heard the Burmester and it is superb (I am an audiophile nerd).

    http://www.teresaudio.com/haven/friends/grantg.html

     


    --

    73 Carrera RS 2.7 Carbon Fiber replica (1,890 lbs).  Former: 73 911S, Two 951S's, 996 C2, 993 C2, 98 Ferrari 550 Maranello


    Re: 991 Sound systems comparison

    Very impressive setup Grant!

    Considering your pedigree I will give Burmester more consideration, if/when I order!

    Am test driving a 7spd and a PDK this weekend.

     


     
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