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SCAN SPEAK Driver Application  Design Notes                                                                            SCAN SPEAK  Driver descriptions
 
   
TWEETER
D2008/851200

soft dome, dual chamber, ferro fluid

90dB ~ 8 ohm ~ 92mm o/dia ~ 41mm deep ~ 19mm vc ~ 150w power ~ 800Hz Fs ~ 4-20kHz range 

 
D2008-8512 soft dome Tweeter
D2010/851300
soft dome, dual chamber, ferro fluid
90dB ~ 8 ohm ~ 98mm o/dia ~ 46mm deep ~ 19mm vc ~ 150w power ~ 800Hz Fs ~ 4-20kHz range 
 
D2010-8513 soft dome Tweeter
D2904/600000
1" soft dome, neodymium, rear chamber, grill
90dB ~ 4 ohm ~ 60mm o/dia ~ 32mm deep ~ 28mm vc ~ 150w power ~ 750Hz Fs ~ 2.5-20kHz range.
 
D2904/6000-01
1" soft dome, neodymium motor, rear chamber
91dB ~ 4 ohm ~ 60mm o/dia ~ 32mm deep ~ 28mm vc ~ 150w power ~ 750Hz Fs ~ 2.5-20kHz range.
D2904-6000-01 soft dome Neodymium Tweeter
D2904/9400SE
1" soft dome, ferro fluid, metallic faceplate
D2904/9600SE
1" soft dome, SD motor, metallic faceplate
D2904/980000
1" aluminium dome, SD-2 motor, low compression
90dB ~ 6 ohm ~ 104mm o/dia ~ 46mm deep ~ 28mm vc ~ 160w power ~ 500Hz Fs ~ 2-22kHz range 
D2904-9800 aluminium dome Tweeter
D2905/930000
1" soft dome, ferro fluid
90dB ~ 6 ohm ~ 104mm o/dia ~ 44mm deep ~ 28mm vc ~ 150w power ~ 650Hz Fs ~ 2-30kHz range 
D2905-9300 soft dome Tweeter
D2905/950000
1" soft dome, non resonant chamber, ferro fluid
90dB ~ 6 ohm ~ 104mm o/dia ~ 44mm deep ~ 28mm vc ~ 150w power ~ 500Hz Fs ~ 2-30kHz range 
D2905-9500 soft dome Tweeter
D2905/970000
1" soft dome, SD-2 motor, low comp., non resonant chamber
90dB ~ 6 ohm ~ 104mm o/dia ~ 44mm deep ~ 28mm vc ~ 225w power ~ 500Hz Fs ~2-30kHz range 
D2905-9700 soft dome tweeter
S2905/970000
1" soft dome, SD-2 motor, low comp., semi-shielded
D2905/990000
1" soft dome, SD-2 motor, low compression design, non resonant chamber, machined aluminium faceplate
91dB ~ 6 ohm ~ 130mm o/dia ~ 76mm deep ~ 28mm vc ~ 225w power ~ 500Hz Fs ~ 2-30kHz range 
 
D2905-9900 soft dome Revelator Tweeter
D3806/820000
1,5" upper midrange, soft dome, SD motor, rear chamber
90dB ~ 8 ohm ~ 125mm o/dia ~ 49mm deep ~ 38mm vc ~ 100w power ~ 750Hz Fs ~ 1-13.5kHz range 
D3806-8200 soft dome Midrange/Tweeter
D2904/710000
1" soft dome, SD-2 neodymium motor, non resonant aluminium chamber, multiple chamber low compression design, machined aluminium faceplate
 
D2904/710001
D2904/710000 with black faceplate
 
R2904/700000
1" ring radiator, SD-2 neodymium motor, non resonant aluminium chamber, multiple chamber low compression design, machined aluminium faceplate and phase plug
94.5dB ~ 4 ohm ~ 104mm o/dia ~ 31mm deep ~ 25mm vc ~ 150w power ~ 520Hz Fs ~ 2-40kHz range 
R2904-700000 Ring Radiator Tweeter
R2904/700005
R2904/700000 with black faceplate
 
R2904/700009
R2904/700000 with black faceplate and black phase plug
 
     
 
MIDRANGE
 
12M/4631G00
low loss suspension, sliced paper cone,
compact linear motor system
89dB ~ 8 ohm ~ 116mm o/dia ~ 51mm deep ~ 40w power ~ 75Hz Fs ~ 75-8000Hz range 
12M-4631G00 Midrange
13M/8636-00
kevlar cone, SD motor, high damping rubber surround
88dB ~ 8 ohm ~ 130mm o/dia ~ 54mm deep ~ 38mm vc ~ 110w power ~ 59Hz Fs ~ 300-8000Hz range 
13M-8636 kevlar cone Midrange
13M/8640-00
paper cone, SD motor, low loss rubber surround
90dB ~ 8 ohm ~ 130mm o/dia ~ 54mm deep ~ 38mm vc ~ 100w power ~ 58Hz Fs ~ 300-8000Hz range 
13M-8640 paper cone Midrange
15M/4531K00
low loss linear suspension, sliced paper cone, SD-1 motor
90dB ~ 8 ohm ~ 148mm o/dia ~ 76mm deep ~ 38mm vc ~ 60w power ~ 35Hz Fs ~ 100-6000Hz range 
15M-4531K00 Revelator Midrange
     
 
BASS/MID WOOFER
 
15W/4531G00
low loss linear suspension, sliced paper cone, SD-1 motor
 
15W/8530K00
low loss linear suspension, sliced paper cone, SD-1 motor
86dB ~ 8 ohm ~ 148mm o/dia ~ 76mm deep ~ 38mm vc ~ 60w power ~ 30Hz Fs ~ 30-6000Hz range 
15W-8530K00 Revelator Mid/Bass
15W/8530K01
low loss linear suspension, sliced paper cone, SD-1 motor
 
18S/8535-00
low loss rubber surround, carbon fibre/paper cone,
SD-1 motor, shielded
 
18S/8531G00
low loss linear suspension, sliced paper cone,
SD-1 motor, shielded
87dB ~ 8 ohm ~ 177mm o/dia ~ 80mm deep ~ 38mm vc ~ 70w power ~ 26Hz Fs ~ 32-3500Hz range 
18S-8535-00 shielded carbon fibre cone Mid/Bass
18W/4531G00
low loss linear suspension, sliced paper cone, SD-1 motor
 
18W/8831G00
low loss linear suspension, sliced paper cone, SD-1 motor
 

There is no difference between 8531G00 and 8831G00 regarding audio and all relevant components are the same.

The difference lies in that the 8831 has a rubber cover for the magnet system.  

 
18W-8531-G00 sliced paper cone Mid/Bass
     
18W/8531G00
low loss linear suspension, sliced paper cone, SD-1 motor
87dB ~ 8 ohm ~ 182mm o/dia ~ 83mm deep ~ 38mm vc ~ 60w power ~ 28Hz Fs ~ 28-5000Hz range 
18W-8531-G00 sliced paper cone Mid/Bass
18W/16531G1
18W/8531G00 in 16 ohm
 
18W/8535-00
low loss rubber surround, carbon fibre/paper cone,
SD-1 motor
87dB ~ 8 ohm ~ 177mm o/dia ~ 80mm deep ~ 38mm vc ~ 70w power ~ 26Hz Fs ~ 32-3500Hz range 
18W-8535-00 carbon fibre cone Mid/Bass
18W/8542-00
paper cone, foam surround, SD motor
89dB ~ 8 ohm ~ 177mm o/dia ~ 80mm deep ~ 42mm vc ~ 70w power ~ 29Hz Fs ~ 29-3000Hz range 
18W-8542-00 paper cone Mid/Bass
18W/8543-00
PP cone, high damping rubber surround, SD motor
89dB ~ 8 ohm ~ 177mm o/dia ~ 80mm deep ~ 42mm vc ~ 80w power ~ 29Hz Fs ~ 29-4000Hz range 
18W-8543-00 polypropylene cone Mid/Bass
18W/8545-00
low loss rubber surround, carbon fibre/paper cone,
SD-1 motor
88dB ~ 8 ohm ~ 177mm o/dia ~ 80mm deep ~ 42mm vc ~ 100w power ~ 28Hz Fs ~ 28-5000Hz range 
 
18W-8545-00 carbon fibre cone Mid/Bass
18W/8545K00
low loss rubber surround, carbon fibre/paper cone,
SD-1 motor
88dB ~ 8 ohm ~ 177mm o/dia ~ 80mm deep ~ 42mm vc ~ 100w power ~ 28Hz Fs ~ 28-3000Hz range 
 
18W-8545K-00 carbon fibre cone Mid/Bass
18W/8546-00
low loss rubber surround, kevlar cone, SD-1 motor
89dB ~ 8 ohm ~ 177mm o/dia ~ 80mm deep ~ 42mm vc ~ 100w power ~ 25Hz Fs ~ 30-3000Hz range 
18W-8546-00 kevlar cone Mid/Bass
     
 
WOOFER
 
21W/8554-00
kevlar cone, foam surround, SD motor
90dB ~ 8 ohm ~ 222mm o/dia ~ 88mm deep ~ 42mm vc ~ 110w power ~ 25Hz Fs ~ 25-4000Hz range 
21W-8554-00 kevlar cone Bass
21W/8555-00
hard paper cone, low loss rubber surround, SD-1 motor
 
21W/8555-01
hard paper cone, low loss rubber surround, SD-1 motor
88dB ~ 8 ohm ~ 222mm o/dia ~ 88mm deep ~ 42mm vc ~ 100w power ~ 19Hz Fs ~ 19-600Hz range 
 
21W-8555-01 paper cone Bass
22W/4851T00
low loss linear suspension, SD-1 motor system,
hard paper cone
 
22W/8851T00
low loss linear suspension, SD-1 motor system,
hard paper cone
88dB ~ 8 ohm ~ 222mm o/dia ~ 120mm deep ~ 50mm vc ~ 170w power ~ 21Hz Fs ~ 21-800Hz range 
 
22W-8851-T00 hard paper cone Bass
25W/8565-00
hard paper cone, low loss rubber surround, SD-1 motor
 
25W/8565-01
hard paper cone, low loss rubber surround, SD-1 motor
88dB ~ 8 ohm ~ 255mm o/dia ~ 98mm deep ~ 42mm vc ~ 100w power ~ 19Hz Fs ~ 19-600Hz range 
25W-8565-01 paper cone Bass
25W/8567-SE
alu cone, low loss rubber surround, SD-1 motor,
semi shielded
 
26W/8861T00
low loss linear suspension, SD-1 motor system,
aluminium cone
89dB ~ 8 ohm ~ 260mm o/dia ~ 133mm deep ~ 50mm vc ~ 170w power ~ 19Hz Fs ~ 19-600Hz range 
26W-8861-T00 hard paper cone Bass
26W/4867T00
low loss linear suspension, SD-1 motor system,
aluminium cone
 
26W/8867T00
low loss linear suspension, SD-1 motor system,
aluminium cone
 
     
 
SUBWOOFER
 
23W/0-00-00
Passive radiator long throw low loss surround, rigid aluminium cone
240mm o/dia ~ 80mm deep ~FS-10.5Hz ~ Excursion- +/-20mm 
23W-0-00-00 Aluminium cone Passive unit
23W/0-00-02
23W/0-00-00 with black cone
 
23W/4557T00
subwoofer long throw low loss surround, rigid aluminium cone,
SD-1 motor
83dB ~ 4 ohm ~ 240mm o/dia ~ 140mm deep ~ 50mm vc ~ 225w power ~ FS- 20.5Hz ~ Freq range- 21-500Hz~Excursion- lin. +/-13 : max. +/-20mm 
23W-4557-T00 Aluminium cone Subwoofer unit
23W/4557T02
23W/4557T00 with black alu cone