- Fs
- 20Hz
- Xmax
- 13.3mm
- SPL
- 85dB
- Pe
- 500W
- BL
- 17.6T·m
- Vd
- 665cm³
- Qts
- 0.45
- Vas
- 117L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
spl
Frequency response
110 plotted pointsMedium confidence1,095 selected pixels of 3,661 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence2,296 selected pixels of 2,296
Tang Band WQ-1858 is an 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 20 Hz, Qts 0.45, Vas 116.5 L, Xmax 13.3 mm, sensitivity 84.6 dB, plus 665 cm³ Vd and 39 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
- 20Hz
- Qts
- 0.45
- Qes
- 0.51
- Qms
- 3.9
- Vas
- 116.5L
- Re
- 6.8Ω
- Le
- 1.48mH
Motor and cone
- BL
- 17.6T·m
- Sd
- 500cm²
- Mms
- 180g
- Xmax
- 13.3mm
- Vd †
- 665cm³
Power and response
- Sensitivity †
- 84.6dB
- Manufacturer sensitivity
- 85dB
- Power
- 500W
- Impedance
- 8Ω
- EBP †
- 39 · Leans sealed
Other published values
- Power Peak
- 1000
† Calculated by bits from the published values
What this validation status means
Everything else Tang Band lists
LF · Primary
- BL
- 17.6T·m
- Fs
- 20Hz
- Le
- 1.48mH
- Re
- 6.8Ω
- Sd
- 500cm²
- Mms
- 180g
- Qes
- 0.51
- Qms
- 3.9
- Qts
- 0.45
- SPL
- 84.6dB
- Vas
- 116.5L
- Xmax
- 13.3mm
- Power
- 500W
- Impedance
- 8Ω
- Power Peak
- 1000
- Sensitivity
- 85dB
- Calculated sensitivity †
- 84.6dB
- Manufacturer sensitivity
- 85dB
02
Compare
Same-size drivers, compared with the WQ-1858. Clear differences are green when better and red when worse.
This driverWQ-1858
Best price
–
Fs
20 Hz
Qts
0.45
Vas
116.5 L
BL
17.6 T·m
Xmax
13.3 mm
Sensitivity
84.6 dB
Power
500 W
Finding drivers like the WQ-1858…
Search similarTune 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.