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Old 28th January 2011, 11:54 AM   #1
diyAudio Member
 
Join Date: Sep 2010
Default FS: Usher package 2 Tweeters 4 Woofers

Selling two 1 1/8" Silk dome tweeters model 9930-20 and four 7 inch carbon fiber/paper woofers model 8935A. All drivers matched at the Usher factory. They were removed from a brand new pair of Usher tower speakers shortly after being purchased from an authorized Usher dealer. All have less than 50 hours use and are in perfect shape and look brand new.

Asking $250 for the entire package plus shipping.

Please respond to this posting or e-mail me at cinellipro@hotmail.com.

Specifications:
9930-20
Power handling: 10 watts RMS/15 watts max (full range signal) *VCdia: 1-1/8" *Impedance: 8 ohms *Re: 4.7 ohms *Frequency range: 1,800-20,000 Hz *Fs: 660 Hz *SPL: 88 dB 2.83V/1m *Dimensions: A: 4-1/8", B: 3-1/4", C: 1-3/4".




8935
Power handling Pe
60
W
Reference efficiency @ 1 W / 1 m
87.0
dB/W/m
Nominal impedance
8
ohm
Voice coil resistance Re
5.80
ohm
Voice coil diameter
38.0
mm
Voice coil height
16.0
mm
Max linear excursion Xmax (+/-)
5.00
mm
Thiele-Small parameters
Resonance frequency fs
32.0
Hz
Equivalent volume Vas
44.0
dm3
Total quality Qts
0.37

Electrical quality Qes
0.44

Mechanical quality Qms
2.35

Effective piston area Sd
150.0
cm2
Mechanical compliance Cms
1.4
mm/N
Moving mass Mms
17.400
G
Bl product
6.8
N/A
Attached Images
File Type: jpg 8935 woofer.jpg (39.0 KB, 177 views)
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Old 28th January 2011, 02:15 PM   #2
...truth seeker...
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Location: where the Appalachians rise from the Blue Grass
shipping from where?

do you have crossovers and/or a schematic?
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Old 28th January 2011, 03:57 PM   #3
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Ed,
Please go to the following website for the schematics of the drivers. Thanks.

www.loudspeakershop.eu - Usher Audio
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Old 28th January 2011, 07:02 PM   #4
weskoki is offline weskoki  Europe
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Did they came of the V-604 speakers?
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Old 28th January 2011, 08:47 PM   #5
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Yes they were taken from the V604 loudspeaker.
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Old 29th January 2011, 04:35 AM   #6
...truth seeker...
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Join Date: Feb 2004
Location: where the Appalachians rise from the Blue Grass
Default Once more

shipping from where? where are you?

do you have a schematic of the crossover or the actual crossovers themselves?
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Old 29th January 2011, 11:42 AM   #7
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South Florida.
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