SB AudienceBIANCO-18SW450
£135.53Fs28 Hz −28%, better
Qts0.45 +13%, worse
Vas370.4 L +102%, worse
BL18.8 T·m +10%, better
Xmax10.9 mm −3%
Sensitivity94.4 dB −1.8
18-inch LF driver · BDP series · 100 mm voice coil · 1,000 W
BishopSound BDP18/4 4Ω
4 Ω
No current price
- Fs
- 39Hz
- Xmax
- 11.3mm
- SPL
- 96dB
- Pe
- 1000W
- BL
- 17.1T·m
- Vd
- 1470cm³
- Qts
- 0.40
- Vas
- 183L
BishopSound BDP18/4 is an 18-inch 4 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 39 Hz, Qts 0.40, Vas 183.3 L, Xmax 11.3 mm, sensitivity 96.2 dB, plus 1470 cm³ Vd and 95 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Partial source evidence
Automated T/S checks passed, but some material low-frequency parameters are not published for this record.
Material fields not published: Mms
- Manufacturer page linked
- Datasheet linked
- Canonical units normalized for comparison
- Vd can be derived from Sd and Xmax
- EBP can be derived from Fs and Qes
Thiele/Small
- Fs
- 39Hz
- Qts
- 0.40
- Qes
- 0.41
- Qms
- 17.4
- Vas
- 183.3L
- Re
- 2.2Ω
- Le
- 2.67mH
Motor and cone
- BL
- 17.1T·m
- Sd
- 1301cm²
- Xmax
- 11.3mm
- Vd †
- 1470cm³
- Voice coil
- 100mm
Power and response
- Sensitivity †
- 96.2dB
- Manufacturer sensitivity
- 96.3dB
- Power
- 1000W
- Impedance
- 4Ω
- EBP †
- 95 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Bolt circle
- 440mm
- Depth
- 202mm
† Calculated by bits from the published values
What this validation status means
Everything else BishopSound lists
LF · Primary · 18″
- BL
- 17.1T·m
- Fs
- 39Hz
- Le
- 2.67mH
- Re
- 2.2Ω
- Sd
- 1301cm²
- Qes
- 0.41
- Qms
- 17.4
- Qts
- 0.40
- SPL
- 96.2dB
- Vas
- 183.3L
- Xmax
- 11.3mm
- Power
- 1000W
- Impedance
- 4Ω
- Sensitivity
- 96.3dB
- Calculated sensitivity †
- 96.2dB
- Manufacturer sensitivity
- 96.3dB
- Voice coil
- 100mm
- Diameter
- 460mm
- Depth
- 202mm
- Bolt circle
- 440mm
02
Compare
Same-size drivers, compared with the BDP18/4. Clear differences are green when better and red when worse.
This driverBDP18/4
Best price
–
Fs
39 Hz
Qts
0.40
Vas
183.3 L
BL
17.1 T·m
Xmax
11.3 mm
Sensitivity
96.2 dB
Power
1000 W
B&C18PS100
£213.51Fs30 Hz −23%, better
Qts0.40 –
Vas251 L +37%, worse
BL20 T·m +17%, better
Xmax7 mm −38%, worse
Sensitivity94.1 dB −2.1, worse
Beyma18LEX1200FE
£222.28Fs32 Hz −18%, better
Qts0.38 −4%
Vas277 L +51%, worse
BL23.2 T·m +36%, better
Xmax11 mm –
Sensitivity95.7 dB −0.5
Beyma18LEX1000FE
£225.00Fs34 Hz −12%, better
Qts0.38 −4%
Vas250 L +36%, worse
BL23.8 T·m +39%, better
Xmax11 mm –
Sensitivity96 dB –
B&C18TBW100
£227.94Fs33 Hz −15%, better
Qts0.32 −19%, better
Vas181.5 L –
BL22.8 T·m +34%, better
Xmax12 mm +6%
Sensitivity94.9 dB −1.3
CelestionFTR18-4080HDX
£237.20Fs39 Hz –
Qts0.43 +8%
Vas174.9 L −5%
BL21.3 T·m +25%, better
Xmax10.1 mm −11%, worse
Sensitivity95.6 dB −0.6
CelestionCF1840JD
£239.00Fs37 Hz −5%
Qts0.40 –
Vas155 L −15%, better
BL24.8 T·m +45%, better
Xmax12.5 mm +11%, better
Sensitivity94.6 dB −1.6
SB AudienceROSSO-18SW650
£242.78Fs31 Hz −20%, better
Qts0.41 +3%
Vas304.3 L +66%, worse
BL20.6 T·m +21%, better
Xmax11.2 mm –
Sensitivity95.2 dB −1
FaitalPRO18HP1010
£244.49Fs35 Hz −10%
Qts0.40 –
Vas240.1 L +31%, worse
BL22 T·m +29%, better
Xmax9.8 mm −14%, worse
Sensitivity95.9 dB –
Beyma18LEX1000ND
£249.54Fs34 Hz −12%, better
Qts0.39 –
Vas260 L +42%, worse
BL22 T·m +29%, better
Xmax11 mm –
Sensitivity95.9 dB –
Beyma18LEX1600FE
£277.00Fs34 Hz −12%, better
Qts0.38 −4%
Vas188 L –
BL26.9 T·m +58%, better
Xmax13 mm +15%, better
Sensitivity94.7 dB −1.5
B&C18NBX100
£278.92Fs35 Hz −10%
Qts0.37 −7%
Vas192 L +5%
BL22 T·m +29%, better
Xmax10 mm −12%, worse
Sensitivity95.3 dB −0.9
MonacorCF1840JD/4
£283.85Fs37 Hz −5%
Qts0.40 –
Vas155 L −15%, better
BL24.8 T·m +45%, better
Xmax12.5 mm +11%, better
Sensitivity94.6 dB −1.6
B&C18SW100
£333.25Fs36 Hz −7%
Qts0.36 −9%
Vas160 L −13%, better
BL22 T·m +29%, better
Xmax12.5 mm +11%, better
Sensitivity94.7 dB −1.5
Eighteen Sound18TLW3000
£337.44Fs32 Hz −18%, better
Qts0.35 −12%, better
Vas185 L –
BL20 T·m +17%, better
Xmax12 mm +6%
Sensitivity94.3 dB −1.9
No photo
Precision DevicesPD.1845-2N
£422.00Fs35 Hz −10%
Qts0.39 –
Vas157 L −14%, better
BL27 T·m +58%, better
Xmax18 mm +59%, better
Sensitivity94.3 dB −1.9
FaitalPRO18HP1060
£436.24Fs35 Hz −10%
Qts0.33 −17%, better
Vas184.4 L –
BL20.7 T·m +21%, better
Xmax12.4 mm +10%, better
Sensitivity95.7 dB −0.5
CelestionTF1830
No current priceFs36 Hz −8%
Qts0.39 –
Vas202.4 L +10%, worse
BL15.5 T·m −9%
Xmax4.5 mm −60%, worse
Sensitivity95.3 dB −0.9
B&C18RBX100
No current priceFs42 Hz +8%
Qts0.40 –
Vas136 L −26%, better
BL22 T·m +29%, better
Xmax10 mm −12%, worse
Sensitivity95.9 dB –
CelestionCF1840H
No current priceFs39 Hz –
Qts0.35 −12%, better
Vas196.7 L +7%
BL17.4 T·m –
Xmax8 mm −29%, worse
Sensitivity96.7 dB +0.5
P.AudioP-18N-V3
No current priceFs35 Hz −10%
Qts0.40 –
Vas179.5 L –
BL24.1 T·m +41%, better
Xmax9 mm −20%, worse
Sensitivity94.7 dB −1.5
P.Audio19NT-115XB
No current priceFs35 Hz −10%
Qts0.39 –
Vas206 L +12%, worse
BL29 T·m +70%, better
Xmax9.5 mm −16%, worse
Sensitivity95.4 dB −0.8
No current price
Fs33 Hz −15%, better
Qts0.39 −3%
Vas257 L +40%, worse
BL22.4 T·m +31%, better
Xmax12 mm +6%
Sensitivity95.6 dB −0.6
CelestionERPROX18
No current priceFs35 Hz −10%, better
Qts0.38 −5%
Vas188.9 L +3%
BL24.4 T·m +43%, better
Xmax9.5 mm −16%, worse
Sensitivity94.7 dB −1.5
Sica18 S 4 CP
No current priceFs33 Hz −15%, better
Qts0.35 −12%, better
Vas225 L +23%, worse
BL23.5 T·m +38%, better
Xmax11 mm –
Sensitivity95.2 dB −1
Precision DevicesPD.185C001
No current priceFs32 Hz −18%, better
Qts0.40 –
Vas302 L +65%, worse
BL21 T·m +23%, better
Xmax10.5 mm −7%
Sensitivity95.7 dB −0.5
Sica18 S 4 PL
No current priceFs36 Hz −7%
Qts0.39 –
Vas189 L +3%
BL23.5 T·m +38%, better
Xmax8 mm −29%, worse
Sensitivity95.3 dB −0.9
Dayton Audio18SW1200F-8
No current priceFs32 Hz −18%, better
Qts0.40 –
Vas287.7 L +57%, worse
BL24.4 T·m +43%, better
Xmax10.6 mm −6%
Sensitivity95.5 dB −0.7
P.Audio18NT-100XB
No current priceFs35 Hz −10%
Qts0.41 +3%
Vas171.3 L −7%
BL24.6 T·m +44%, better
Xmax7 mm −38%, worse
Sensitivity94.4 dB −1.8
Sica18 PFS 4
No current priceFs29 Hz −26%, better
Qts0.37 −7%
Vas245.9 L +34%, worse
BL24.6 T·m +44%, better
Xmax9.5 mm −16%, worse
Sensitivity93.5 dB −2.7, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No standard offers found. Show Offers & B-stock to include non-standard listings.