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  1. Replies
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    RE "I was expecting different calculations other...

    RE "I was expecting different calculations other than a cylinder since it's hollow. Easy enough."

    Since its a cylinder volume calculation, i.e. calculation of space taken or air displaced in the...
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    Never heard about that "piezo disk", nor about...

    Never heard about that "piezo disk", nor about Sparton of Canada. Based on pic posted maybe old? What year or so would that be?

    RE "I loaned to a friend and never got it back."

    I loaned wife's...
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    GINO VANELLI, BROTHER TO BROTHER, AUDIOPHILE...

    GINO VANELLI, BROTHER TO BROTHER, AUDIOPHILE SERIES, 1978

    Purchased this premium LP version instead of a regular one sometime after it was released, mainly to compare sound and pressing quality vs...
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    then you decide what net volume you want to use 5...

    then you decide what net volume you want to use 5 or 6 cu.ft., read post # 63
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    Greg, RE Port Displacement Volume of a...

    Greg,

    RE Port Displacement

    Volume of a cylinder: V= Pi X radius squared X height or length of cylinder


    Start with area of a circle: Pi X radius of circle squared, so 3.1416 X the circle's...
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    When all is factored in volume calculation and if...

    When all is factored in volume calculation and if still too large then you get say a cubic foot of cheap old books and put them at the bottom of the box, therefore taking some excess volume.
    ...
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    And you haven't counted good bracing yet...nor...

    And you haven't counted good bracing yet...nor vent and the other drivers in the cab

    Horns & drivers space taken .05 to 0.1 cubic foot (JBL)
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    Greg, The typical 2235 box is 5 cu.ft. net...

    Greg,

    The typical 2235 box is 5 cu.ft. net tuned to 30 hz. Doesn't mean others are forbidden but then you need to model such to see the expected result with different tunings and volumes. Yes in...
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    what have you subtracted? 6.36 cu.ft. net seems...

    what have you subtracted? 6.36 cu.ft. net seems pretty high to me when all in
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    Greg, Looking at your Win ISD figures now is...

    Greg,

    Looking at your Win ISD figures now is a little premature pending you get more final numbers after the drivers' good workout. Also too early to say if all this is for naught. Lets stay...
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    Greg, Yes I knew about the mass ring, this...

    Greg,

    Yes I knew about the mass ring, this thing is mentioned on the forum regularly since many folks have or want 2235. Barry here has shown twice recently with his measurements that the gain in...
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    Greg, At least you have genuine JBL cone kits...

    Greg,

    At least you have genuine JBL cone kits which should be better than cheap aftermarket ones, yes different but in a good direction as you say.

    I think the key for you will be giving these...
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    SPECIAL EFFECTS RECORD MOBILE FIDELITY SOUND...

    SPECIAL EFFECTS RECORD

    MOBILE FIDELITY SOUND LAB, MFSL 004, 1978, THE POWER AND THE MAJESTY

    Purchased around 80's, this is not a music record but rather a premium "special effects" one, the...
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    Greg, Who did the recones isn't really the...

    Greg,

    Who did the recones isn't really the issue here, but rather what recone kit was used, original JBL or aftermarket? Since you still have the receipt maybe its written on it the recone brand...
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    Greg, For comparison purpose the following...

    Greg,

    For comparison purpose the following are the parameters given in the official JBL table:

    MODEL FS QTS QMS QES VAS EFF PE XMAX RE LE SD BL ...
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    Tom, Glad you jumped in. Man, you're a real...

    Tom,

    Glad you jumped in. Man, you're a real Sennheiser encyclopedia! You should work for them here and enjoy harsh winters by the same token. Yeah, I know you don't mind FREEZING but getting paid...
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    HEADPHONES UPDATE Monday was the 7th week been...

    HEADPHONES UPDATE

    Monday was the 7th week been waiting to get the Sennheiser headphones I ordered directly from Senn Canada. Had enough, patience depleted for what is a very standard model with...
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    Hi Greg, Your Win ISD version is the 2016 one...

    Hi Greg,

    Your Win ISD version is the 2016 one and that's fine (most recent).

    Even if QL7 came back that time, do check it periodically as QL10 WILL come back as default value (except in a saved...
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    Hi Greg, Good idea to get the Dayton gizmo so...

    Hi Greg,

    Good idea to get the Dayton gizmo so that you know exactly what kind of TS parameters you're dealing with. Sometimes folks get surprises, not always pleasant ones, after some...
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    Hi Greg, Nice to see you're back in business....

    Hi Greg,

    Nice to see you're back in business.

    I haven't followed the thread from the beginning, but here's a few notes that should help you decide.

    RE "you should place the driver in the...
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    Forgot to mention in the preceding post the...

    Forgot to mention in the preceding post the Sound & Vision 1984 test LP could be among the most recent vinyl ones since a quick search on EBay revealed many were from the 70's (70-78), one from...
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    by RMC
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    Thanks for the info. Could have been a...

    Thanks for the info.

    Could have been a publicity stunt I'm a victim of? though the same amp AND price appears on another Web page from same retailer... No indication of a joke on their pages...
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    by RMC
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    .

    .
  24. Replies
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    Tom, Thanks for the corrected Shure link, it...

    Tom,

    Thanks for the corrected Shure link, it works!

    Appears like good text but soooo long, read parts quickly here and there and its interesting. V15IV owner manual contains some of that stuff...
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    Yup, provided that ... Can't open the Shure...

    Yup, provided that ...

    Can't open the Shure link btw, another Win 10/Edge gremlin??

    Richard
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