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"SB acoustics sb34nrx75-16"  new driver designed specifically for open baffles?
"SB acoustics sb34nrx75-16"  new driver designed specifically for open baffles?
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Old 11th September 2019, 05:09 PM   #11
silverprout is offline silverprout  France
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Quote:
Originally Posted by Cakroni View Post
does anyone recommend eminence delatalite II 2515 with qts 0.38 and xmax 4.8mm,.?
The Cms is Ok but it is a light flabby cone with a small VC.
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Old 11th September 2019, 05:27 PM   #12
Cakroni is offline Cakroni  Indonesia
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ideal value for VC?
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Old 11th September 2019, 07:33 PM   #13
silverprout is offline silverprout  France
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Quote:
Originally Posted by Cakroni View Post
ideal value for VC?
Low enough*, anyway a thick cone with a large VC will destroy anything on THD measurements.

* take a look at the suspension compliance of this well reputed unit :
Haut-parleur de grave 30 cm Peerless SLS12 830669
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Old 11th September 2019, 09:13 PM   #14
Joachim Gerhard is offline Joachim Gerhard  Germany
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A resistor can turn almost any Qts into something useful for open baffle at the expense of sensitivity, so does a smaller magnet. A tie ? I think so, although the smaller magnet is cheaper.
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Old 12th September 2019, 02:14 AM   #15
Cakroni is offline Cakroni  Indonesia
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I think a little loss of sensitivity is not a problem than not building it at all. desire is the source of suffering, its place in the mind. and make me almost go crazy ...
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Old 12th September 2019, 02:31 AM   #16
Cakroni is offline Cakroni  Indonesia
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not many transducer manufacturers in the Indonesian market except very small in number. American and European markets are very expensive with shipping costs including taxes. it makes my head explode.
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Old 12th September 2019, 04:40 PM   #17
silverprout is offline silverprout  France
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If you put an external dipole in a loudspeaker equation this equation is becoming false.
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Old 12th September 2019, 05:37 PM   #18
Cakroni is offline Cakroni  Indonesia
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Originally Posted by silverprout View Post
If you put an external dipole in a loudspeaker equation this equation is becoming false.
You are right, and I agree with your opinion. thank you for making it easier for me to choose the best.
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Old 12th September 2019, 05:40 PM   #19
Cakroni is offline Cakroni  Indonesia
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Originally Posted by Joachim Gerhard View Post
A resistor can turn almost any Qts into something useful for open baffle at the expense of sensitivity, so does a smaller magnet. A tie ? I think so, although the smaller magnet is cheaper.
thank you for helping me on this problem.
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Old 12th September 2019, 06:11 PM   #20
Cakroni is offline Cakroni  Indonesia
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my ask, are Xlbaffle.xls and spl_max.xls spreadsheets available to simulate open baffle responses before I can build them?
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