Dayton AudioPSS555-8
£194.03Fs28 Hz −16%, better
Qts0.33 −8%
Vas444 L +84%, worse
BL29.7 T·m –
Xmax11 mm −21%, worse
Sensitivity96.4 dB +0.7
21-inch LF driver · 1,500 W
Fane COLOSSUS PRIME 21NDXL 8Ω
8 Ω · 30–300 Hz
No current price
- Fs
- 33Hz
- Xmax
- 14mm
- SPL
- 96dB
- Pe
- 1500W
- BL
- 30T·m
- Vd
- 2128cm³
- Qts
- 0.36
- Vas
- 241L
Fane COLOSSUS PRIME 21NDXL is a 21-inch 8 ohm LF driver rated at 1500 W RMS. The validated T/S data includes Fs 33 Hz, Qts 0.36, Vas 241 L, Xmax 14 mm, sensitivity 95.7 dB, plus 2128 cm³ Vd and 88 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 33Hz
- Qts
- 0.36
- Qes
- 0.37
- Qms
- 9.8
- Vas
- 241L
- Re
- 5.1Ω
- Le
- 2.40mH
Motor and cone
- BL
- 30T·m
- Sd
- 1520cm²
- Mms
- 320g
- Xmax
- 14mm
- Vd †
- 2128cm³
Power and response
- Sensitivity †
- 95.7dB
- Manufacturer sensitivity
- 98dB
- Power
- 1500W
- Impedance
- 8Ω
- Range
- 30–300Hz
- EBP †
- 88 · Sealed or vented
Size and mounting
- Diameter
- 545mm
- Depth
- 225mm
- Weight
- 12.5kg
Other published values
- Power Peak
- 6000
- Power Program
- 3000
Sensitivity shows 95.7 dB, calculated from the T/S values. Fane publishes 98.0 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Fane lists
LF · Primary · 21″
- BL
- 30T·m
- Fs
- 33Hz
- Le
- 2.40mH
- Re
- 5.1Ω
- Sd
- 1520cm²
- Mms
- 320g
- Qes
- 0.37
- Qms
- 9.8
- Qts
- 0.36
- SPL
- 95.7dB
- Vas
- 241L
- Xmax
- 14mm
- Power
- 1500W
- Impedance
- 8Ω
- Power Peak
- 6000
- Sensitivity
- 98dB
- Low limit
- 30Hz
- Power Program
- 3000
- Calculated sensitivity †
- 95.7dB
- High limit
- 300Hz
- Manufacturer sensitivity
- 98dB
- Weight
- 12.5kg
- Diameter
- 545mm
- Depth
- 225mm
02
Compare
Same-size drivers, compared with the COLOSSUS PRIME 21NDXL. Clear differences are green when better and red when worse.
This driverCOLOSSUS PRIME 21NDXL
Best price
–
Fs
33 Hz
Qts
0.36
Vas
241 L
BL
30 T·m
Xmax
14 mm
Sensitivity
95.7 dB
Power
1500 W
SB AudienceNERO-21SW1100D
£343.60Fs32 Hz −3%
Qts0.34 −6%
Vas312.6 L +30%, worse
BL30 T·m –
Xmax12.2 mm −13%, worse
Sensitivity96.7 dB +1
SB AudienceROSSO-21SW800
£416.87Fs38 Hz +15%, worse
Qts0.76 +111%, worse
Vas224.4 L −7%
BL24.1 T·m −20%, worse
Xmax11.4 mm −18%, worse
Sensitivity93.9 dB −1.8
Eighteen Sound21LW2600
£423.83Fs27 Hz −18%, better
Qts0.33 −8%
Vas333 L +38%, worse
BL32.5 T·m +8%
Xmax14.6 mm +4%
Sensitivity94.9 dB −0.8
Beyma21QLEX1600FE
£425.00Fs30 Hz −9%
Qts0.28 −22%, better
Vas309 L +28%, worse
BL36.4 T·m +21%, better
Xmax13 mm −7%
Sensitivity96.5 dB +0.8
CelestionTSQ2145
£445.00Fs30 Hz −9%
Qts0.34 −4%
Vas253.8 L +5%
BL33.8 T·m +13%, better
Xmax15 mm +7%
Sensitivity94.8 dB −0.9
RCFLF21X451
£448.61Fs28 Hz −15%, better
Qts0.37 –
Vas385 L +60%, worse
BL30.5 T·m –
Xmax14 mm –
Sensitivity95.4 dB –
Eighteen Sound21NLW4100
£456.79Fs36 Hz +9%
Qts0.46 +28%, worse
Vas210 L −13%, better
BL29.4 T·m –
Xmax15.2 mm +9%
Sensitivity95 dB −0.7
B&C21SW115
£456.93Fs30 Hz −9%
Qts0.37 –
Vas318 L +32%, worse
BL30.1 T·m –
Xmax14 mm –
Sensitivity95.5 dB –
Beyma21LEX1600ND
£475.00Fs30 Hz −9%
Qts0.29 −19%, better
Vas305 L +27%, worse
BL36.6 T·m +22%, better
Xmax14 mm –
Sensitivity96.4 dB +0.7
RCFLF21N451
£475.00Fs30 Hz −9%
Qts0.26 −28%, better
Vas375 L +56%, worse
BL34.5 T·m +15%, better
Xmax13 mm −7%
Sensitivity97.8 dB +2.1, better
B&C21SW152
£535.31Fs32 Hz −3%
Qts0.36 –
Vas200 L −17%, better
BL39 T·m +30%, better
Xmax15 mm +7%
Sensitivity94.4 dB −1.3
Eighteen Sound21NLW9001
£547.59Fs32 Hz −3%
Qts0.31 −14%, better
Vas244 L –
BL37 T·m +23%, better
Xmax14 mm –
Sensitivity95.7 dB –
No photo
Precision DevicesPD.2155-1N
£555.00Fs33 Hz –
Qts0.36 –
Vas241 L –
BL30 T·m –
Xmax14 mm –
Sensitivity95.7 dB –
Eighteen Sound21NTLW5000
£595.00Fs31 Hz −6%
Qts0.36 –
Vas270 L +12%, worse
BL32 T·m +7%
Xmax17.5 mm +25%, better
Sensitivity95.3 dB –
Eighteen Sound21NLW4000
£605.80Fs29 Hz −12%, better
Qts0.37 –
Vas305 L +27%, worse
BL30 T·m –
Xmax15 mm +7%
Sensitivity94.9 dB −0.8
Eighteen Sound21NLW9601
£621.20Fs37 Hz +12%, worse
Qts0.29 −19%, better
Vas175 L −27%, better
BL43 T·m +43%, better
Xmax14 mm –
Sensitivity96.6 dB +0.9
No photo
Precision DevicesPD.2160-1N
£799.00Fs35 Hz +6%
Qts0.30 −17%, better
Vas177 L −27%, better
BL43 T·m +43%, better
Xmax16 mm +14%, better
Sensitivity95.9 dB –
EminenceNSW6021-124
£914.24Fs31 Hz −7%
Qts0.32 −11%, better
Vas224.6 L −7%
BL30.5 T·m –
Xmax21 mm +50%, better
Sensitivity95 dB −0.7
Eighteen Sound21LW2500
No current priceFs29 Hz −12%, better
Qts0.37 –
Vas305 L +27%, worse
BL30 T·m –
Xmax14 mm –
Sensitivity94.9 dB −0.8
No current price
Fs35 Hz +6%
Qts0.34 −6%
Vas266 L +10%, worse
BL31.3 T·m +4%
Xmax14 mm –
Sensitivity97.1 dB +1.4
No photo
Precision DevicesPD.2155-1F
No current priceFs35 Hz +6%
Qts0.34 −6%
Vas266 L +10%, worse
BL31.3 T·m +4%
Xmax14 mm –
Sensitivity97.1 dB +1.4
Eighteen Sound21NLW5300
No current priceFs31 Hz −6%
Qts0.32 −11%, better
Vas325 L +35%, worse
BL31 T·m +3%
Xmax15.3 mm +9%
Sensitivity96.6 dB +0.9
P.AudioSD21-125XB
No current priceFs35 Hz +6%
Qts0.38 +6%
Vas345.6 L +43%, worse
BL30.4 T·m –
Xmax11.3 mm −20%, worse
Sensitivity97.7 dB +2, better
Eighteen Sound21NLW9601C
No current priceFs38 Hz +15%, worse
Qts0.29 −19%, better
Vas140 L −42%, better
BL33.2 T·m +11%, better
Xmax14 mm –
Sensitivity96 dB –
B&C21SW150
No current priceFs29 Hz −12%, better
Qts0.26 −28%, better
Vas254 L +5%
BL32.6 T·m +9%
Xmax15 mm +7%
Sensitivity95.6 dB –
CelestionNTR21-5010JD
No current priceFs32 Hz –
Qts0.32 −11%, better
Vas276.7 L +15%, worse
BL33.9 T·m +13%, better
Xmax9 mm −36%, worse
Sensitivity96.4 dB +0.7
Sica21 S 4 PL
No current priceFs35 Hz +5%
Qts0.30 −17%, better
Vas255 L +6%
BL36.1 T·m +20%, better
Xmax5.2 mm −63%, worse
Sensitivity97.4 dB +1.7
Eighteen Sound21ID
No current priceFs38 Hz +15%, worse
Qts0.23 −36%, better
Vas143 L −41%, better
BL25.2 T·m −16%, worse
Xmax14 mm –
Sensitivity97.2 dB +1.5
Dayton AudioPSS545HE-4
No current priceFs29 Hz −13%, better
Qts0.27 −25%, better
Vas212.2 L −12%, better
BL35.5 T·m +18%, better
Xmax21 mm +50%, better
Sensitivity94.6 dB −1.1
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.