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Old 18th March 2009, 03:52 AM   #1
diyAudio Member
Join Date: Mar 2009
Default Vifa M22WR-09 08

Hello folks. I am new to the site and I look forward to learning much from here. Enough about that.

I have for sale a pair of Vifa M22WR-09 08 sub/midbass drivers.

One of the drivers is in good condition aesthetically while the other suffers from a slight bit of ugly. Both drivers function 100% perfect.

I have 100% positive feedback on Ebay with a feedback score of over 150, that's all high end car audio wares. I rarely deal with sales of home audio, but will be involved soon.

My Ebay user ID is eggstersampsandstuff you can check it out for verification. I am also on username lust4sound, have 1 positive rep for sales there for further verification.

I am accepting best reasonable offers for these drivers, payment can be made via Paypal. I am only looking to ship within the U.S. Please no overseas requests.

Here are the specs I found.

220 mm woofer with heavy alloy frame, ultra stiff treated conical paper cone and wide rubber surround.

Nominal impedance Zn (Ohm) 6

Reference voltage sensitivity (dB) 88

Voice coil diameter d (mm) 50

Voice coil length h (mm) 21

DC resistance Re (Ohm) 4.3

Voice coil inductance Le (mH) 1.1

Resonance frequency fs (Hz) 30

Mechanical Q factor Qms 2.73

Height of the gap hg (mm) 8

Electrical Q factor Qes 0.38

Total Q factor Qts 0.33

Long term power (IEC) (W) 15

Xmax peak (mm) 6.5

Moving mass Mms (g) 36.00

Nominal power (W) 200

Effective piston area Sd (cm²) 224

Equivalent volume Vas (ltrs) 55

Force factor BI (Tm) 8.8

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