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Thread: Type R 6 x 9's, hardly any bass

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    Type R 6 x 9's, hardly any bass

    Hi,

    I had Some pioneer speakers with the blue cones and they were pretty bassy.
    So I bought a set of Alpine Type R 6 x 9's and installed them in the same location that my pioneers used to be. First thing I noticed is they were very quiet compared to the Pioneers, could hardly hear them at all. So I had to turn up the gain on my amp (Alpine V12) for the rears to hear them.

    On the songs where there should be bass you can see the cones moving but you really cant hear bass. I thought they could be wired out of phase so I tried wiring them the other way but still hardly any bass.

    Cones have no rips or anything.

    If they havent been used before, do they need to be run in as in used for a while before they begin producing better bass?

    Any other ideas?

    Thanks.

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    Quote Originally Posted by kidcash View Post
    Hi,

    I had Some pioneer speakers with the blue cones and they were pretty bassy.
    So I bought a set of Alpine Type R 6 x 9's and installed them in the same location that my pioneers used to be. First thing I noticed is they were very quiet compared to the Pioneers, could hardly hear them at all. So I had to turn up the gain on my amp (Alpine V12) for the rears to hear them.

    On the songs where there should be bass you can see the cones moving but you really cant hear bass. I thought they could be wired out of phase so I tried wiring them the other way but still hardly any bass.

    Cones have no rips or anything.

    If they havent been used before, do they need to be run in as in used for a while before they begin producing better bass?

    Any other ideas?

    Thanks.
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    are you running them off of a stock head unit. Type R's really should be amped. You wanna hear a 6x9 with no bass try some infinity's lol.
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    Quote Originally Posted by Sonicxtacy02 View Post
    are you running them off of a stock head unit. Type R's really should be amped. You wanna hear a 6x9 with no bass try some infinity's lol.
    Nope not running off head unit, the Type R's are running off an Alpine V12 Amp.

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    Quote Originally Posted by kidcash View Post
    so I tried wiring them the other way
    if "they" are out of phase, normally one of the two is, so swapping wires should be done for 1 of the two at a time, not both at the same time.

    hearing no bass normally means they phase each other out.

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    Quote Originally Posted by CabrioBob View Post
    if "they" are out of phase, normally one of the two is, so swapping wires should be done for 1 of the two at a time, not both at the same time.

    hearing no bass normally means they phase each other out.
    I will see whats up with that, any other suggestions will be great though as these are supposed to be very bassy speakers.

    Somebody else said "Your amp is only 40 watts rms per channel and those speakers are 100w rms each so thats why your getting no bass" - Is this true?

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    Quote Originally Posted by kidcash View Post
    I will see whats up with that, any other suggestions will be great though as these are supposed to be very bassy speakers.

    Somebody else said "Your amp is only 40 watts rms per channel and those speakers are 100w rms each so thats why your getting no bass" - Is this true?
    Yes this is very true. These speakers are very power hungry, and only perform well when it is powered near the potential 100Wrms. Whereas the other speakers you had in there were probably being powered near its potential of 40-60Wrms.
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    look at the specs of the speakers, they have a sensitivity of Sensitivity: 89dB / W(1m) which isnt insanely low but isnt high by any means. This is probably relating to why you had to turn up the gain on your amp. remember its a log scale so if you old speakers were 91 thats a noticeable difference.

    secondly look at the frequency response on the speakers (60Hz - 27kHz). I am assuming this is +/- 3 dB but it is not stated. 60 Hz isnt very low and your pioneers may be able to dig a little deeper into the lower frequencies. It is possible that after 60 Hz the response just totally dies off meaning no sound for the same input power.

    Compare specs or give me the name of the old pioneer speakers, that can give us more info since they were run off the same amp and source.

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    Quote Originally Posted by pancit175 View Post
    Yes this is very true. These speakers are very power hungry, and only perform well when it is powered near the potential 100Wrms. Whereas the other speakers you had in there were probably being powered near its potential of 40-60Wrms.
    I too have heard this from many people. The Alpine Type R, like the 100 RMS they were built to handle.
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    Frequency response specs are all over the board for evert company- alpine might be using the -3db downpoints, where other less common companies will use lower points- making the less common brands seem better...


    If you are really looking for bass, get a sub. 6x9's are a poor substitute.

    But I agree that switching one of the speakers terminals should correct the problem.

    Also, make sure that the speakers terminals are not wired backwards- check polarity on both. I had a set of 6x9's that pulled the voice coils apart because both speakers were connected backwards.

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