P.audio BM-12W drivers |
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DJ Tosco
Registered User Joined: 09 June 2005 Location: Italy Status: Offline Points: 20 |
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Posted: 07 July 2005 at 11:15am |
This isn't a good horn driver. This results in a narrow bandwidth and poor mid high extension when horn-loaded. The Fs is too low, Qes too high, and Bl^2/Re isn't very high.
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Toddy
Registered User Joined: 07 July 2005 Location: Norway Status: Offline Points: 5 |
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Resonance Frequency Fs 38.0 Hz
DC Resistance Re 6.8 Ohm Mechanical Q Factor Qms 2.533 &nbs p; Electrical Q Factor Qes 0.386 &nbs p; Total Q Factor Qts 0.335 &nbs p; BL Factor BL 17.33 T x m Effective Moving Mass Mms 71.44 gr Equivalent Cas air Load Vas 90.27 liters Effective piston area Sd 0.0510 m2 Voice-coil inductance @ 1 KHz Le1k 0.92 mH Half-space efficiency Eff 1.24 % Airgap Height Haq 8.0 mm Voice coil Height Hvc 17.0 mm Voice coil Over-Hung Xmax 4.5 mm Edited by Toddy |
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Jimbo
Registered User Joined: 07 March 2005 Location: United States Status: Offline Points: 420 |
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Got TS? |
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Toddy
Registered User Joined: 07 July 2005 Location: Norway Status: Offline Points: 5 |
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can someone here design a horn for mid to the BM-12W?
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Toddy
Registered User Joined: 07 July 2005 Location: Norway Status: Offline Points: 5 |
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will the fq-response be wrong?
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whitehousejamie
Young Croc Joined: 08 March 2004 Location: United Kingdom Status: Offline Points: 1485 |
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Unfortunately, they will not work very well in the MT122. The Qts of the driver is too high, and you need a driver with simular parameters to the SN-12B for use in a mid horn such as the MT122.
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Toddy
Registered User Joined: 07 July 2005 Location: Norway Status: Offline Points: 5 |
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Can I use P.audio BM-12W drivers in the MT122? The reason why I`m asking is because I have them in home made boxes, and I`m not happy with the sound. I use the P.audio PA-D72 with the PH-4528 horn, and two BM-12W pr. side.
Toddy |
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