GRS8PF-8
£16.26Fs50 Hz −65%, better
Qts0.98 +11%, worse
Vas28.9 L +200%, worse
BL6.5 T·m +13%, better
Xmax3 mm +89%, better
Sensitivity86.7 dB −10.3, worse
8-inch LF driver · 20 W
Eminence 820H 4Ω
4 Ω · 80–4600 Hz
No current price
- Fs
- 144Hz
- Xmax
- 1.6mm
- SPL
- 97dB
- Pe
- 20W
- BL
- 5.7T·m
- Vd
- 37cm³
- Qts
- 0.88
- Vas
- 10L
Eminence 820H is an 8-inch 4 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 144 Hz, Qts 0.88, Vas 9.6 L, Xmax 1.6 mm, sensitivity 97 dB, plus 37 cm³ Vd and 157 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
- 144Hz
- Qts
- 0.88
- Qes
- 0.92
- Qms
- 18.8
- Vas
- 9.6L
- Re
- 3.6Ω
- Le
- 0.33mH
Motor and cone
- BL
- 5.7T·m
- Sd
- 231cm²
- Mms
- 9g
- Xmax
- 1.6mm
- Vd †
- 37cm³
Power and response
- Sensitivity †
- 97dB
- Manufacturer sensitivity
- 96.1dB
- Power
- 20W
- Impedance
- 4Ω
- Range
- 80–4600Hz
- EBP †
- 157 · Leans vented
Size and mounting
- Diameter
- 209.3mm
- Cutout
- 181.1mm
- Depth
- 77.7mm
- Weight
- 1.4kg
Other published values
- Cms
- 0.13mm/N
- Power Program
- 40
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 8″
- BL
- 5.7T·m
- Fs
- 144Hz
- Le
- 0.33mH
- Re
- 3.6Ω
- Sd
- 231cm²
- Cms
- 0.13mm/N
- Mms
- 9g
- Qes
- 0.92
- Qms
- 18.8
- Qts
- 0.88
- SPL
- 97dB
- Vas
- 9.6L
- Xmax
- 1.6mm
- Power
- 20W
- Impedance
- 4Ω
- Sensitivity
- 96.1dB
- Low limit
- 80Hz
- Power Program
- 40
- Calculated sensitivity †
- 97dB
- High limit
- 4600Hz
- Manufacturer sensitivity
- 96.1dB
- Weight
- 1.4kg
- Diameter
- 209.3mm
- Depth
- 77.7mm
- Cutout
- 181.1mm
02
Compare
Same-size drivers, compared with the 820H. Clear differences are green when better and red when worse.
This driver820H
Best price
–
Fs
144 Hz
Qts
0.88
Vas
9.6 L
BL
5.7 T·m
Xmax
1.6 mm
Sensitivity
97 dB
Power
20 W
BishopSoundBSP8
£34.00Fs107 Hz −26%, better
Qts0.74 −16%, better
Vas6.4 L −33%, better
BL11.0 T·m +92%, better
Xmax3.5 mm +120%, better
Sensitivity92.1 dB −4.9, worse
SB AcousticsSB20PFCS30-7
£35.90Fs39 Hz −73%, better
Qts0.66 −25%, better
Vas59.5 L +519%, worse
BL5.6 T·m –
Xmax5.5 mm +246%, better
Sensitivity88.6 dB −8.4, worse
CIAREHW210
£35.94Fs41 Hz −72%, better
Qts0.84 −5%
Vas57.6 L +499%, worse
BL5.2 T·m −10%
Xmax5.3 mm +233%, better
Sensitivity87.8 dB −9.2, worse
MonacorSPM-205/8
£38.40Fs37 Hz −74%, better
Qts0.70 −20%, better
Vas54 L +461%, worse
BL6.5 T·m +13%, better
Xmax3 mm +89%, better
Sensitivity86.8 dB −10.2, worse
MonacorSP-202E
£41.70Fs51 Hz −65%, better
Qts0.69 −22%, better
Vas39 L +305%, worse
BL4.9 T·m −15%, worse
Xmax2.5 mm +57%, better
Sensitivity90.1 dB −6.9, worse
Sica8 H 1.5 CS
£44.21Fs51 Hz −65%, better
Qts0.72 −18%, better
Vas26.9 L +180%, worse
BL7.0 T·m +22%, better
Xmax4 mm +152%, better
Sensitivity87.7 dB −9.3, worse
PRV Audio8FR250
£52.61Fs76 Hz −48%, better
Qts1.02 +16%, worse
Vas21.2 L +120%, worse
BL6.5 T·m +14%, better
Xmax3.5 mm +120%, better
Sensitivity91.2 dB −5.8, worse
PeerlessSLS-P830667
£66.82Fs46 Hz −68%, better
Qts0.75 −15%, better
Vas19 L +98%, worse
BL8.3 T·m +45%, better
Xmax11.1 mm +598%, better
Sensitivity85.5 dB −11.5, worse
CIAREPM203
£69.37Fs91 Hz −37%, better
Qts0.54 −39%, better
Vas10 L +4%
BL10.1 T·m +76%, better
Xmax4.4 mm +177%, better
Sensitivity92.7 dB −4.3, worse
B&C8NDL51
£101.00Fs75 Hz −48%, better
Qts0.57 −35%, better
Vas10.1 L +5%
BL7.3 T·m +27%, better
Xmax7 mm +340%, better
Sensitivity90.3 dB −6.7, worse
Dayton AudioUMII8-22
£125.32Fs46 Hz −68%, better
Qts0.75 −15%, better
Vas8.4 L −13%, better
BL9.7 T·m +69%, better
Xmax18 mm +1032%, better
Sensitivity81.2 dB −15.8, worse
VisatonB 200
£157.94Fs40 Hz −72%, better
Qts0.75 −15%, better
Vas102 L +960%, worse
BL3.9 T·m −32%, worse
Xmax3.5 mm +120%, better
Sensitivity91 dB −6, worse
Scanspeak18M/8631T00
£192.19Fs65 Hz −55%, better
Qts0.71 −19%, better
Vas14 L +46%, worse
BL6.5 T·m +13%, better
Xmax3 mm +89%, better
Sensitivity88.7 dB −8.3, worse
Scanspeak18M/4631T00
£192.19Fs65 Hz −55%, better
Qts0.60 −32%, better
Vas14 L +46%, worse
BL5.6 T·m –
Xmax3 mm +89%, better
Sensitivity89.6 dB −7.4, worse
PRV AudioD4
No current priceFs45 Hz −69%, better
Qts0.92 +5%
Vas8.4 L −12%, better
BL6.8 T·m +18%, better
Xmax14 mm +781%, better
Sensitivity80.9 dB −16.1, worse
PRV Audio8MB450-4
No current priceFs77 Hz −47%, better
Qts0.88 –
Vas17.0 L +77%, worse
BL6.2 T·m +8%
Xmax4.5 mm +183%, better
Sensitivity91.2 dB −5.8, worse
Supravox215-2000 MK2
No current priceFs70 Hz −51%, better
Qts0.84 −5%
Vas30 L +212%, worse
BL5.2 T·m −9%
Xmax2.9 mm +82%, better
Sensitivity92.5 dB −4.5, worse
No photo
PHL Audio2040
No current priceFs119 Hz −17%, better
Qts0.76 −14%, better
Vas9.3 L −3%
BL8.5 T·m +48%, better
Xmax2 mm +26%, better
Sensitivity94.4 dB −2.6, worse
No photo
PHL Audio2040NDU
No current priceFs119 Hz −17%, better
Qts0.76 −14%, better
Vas9.3 L −3%
BL8.5 T·m +48%, better
Xmax2 mm +26%, better
Sensitivity94.4 dB −2.6, worse
MonacorSP-200X
No current priceFs50 Hz −65%, better
Qts0.52 −41%, better
Vas48 L +399%, worse
BL6.1 T·m +6%
Xmax1.6 mm –
Sensitivity91.4 dB −5.6, worse
JensenP-A-JC8-30FA-8
No current priceFs126 Hz −13%, better
Qts1.01 +15%, worse
Vas10.8 L +12%, worse
BL6.6 T·m +14%, better
Xmax0.5 mm −69%, worse
Sensitivity94 dB −3, worse
PRV Audio8MR400B-4
No current priceFs93 Hz −35%, better
Qts0.74 −16%, better
Vas15.7 L +63%, worse
BL6.3 T·m +10%, better
Xmax3.3 mm +104%, better
Sensitivity94.2 dB −2.8, worse
PRV Audio8MR450CF-4
No current priceFs83 Hz −43%, better
Qts0.71 −19%, better
Vas17.5 L +82%, worse
BL6.1 T·m +6%
Xmax3.5 mm +120%, better
Sensitivity93.4 dB −3.6, worse
MonacorSP-202PA
No current priceFs68 Hz −53%, better
Qts1.10 +25%, worse
Vas12 L +25%, worse
BL5.6 T·m –
Xmax3 mm +89%, better
Sensitivity84.3 dB −12.7, worse
PRV Audio69MR500-4
No current priceFs149 Hz +3%
Qts1.12 +27%, worse
Vas5.2 L −46%, better
BL5.9 T·m –
Xmax3.3 mm +104%, better
Sensitivity93.6 dB −3.4, worse
JensenMOD8-20-4
No current priceFs111 Hz −23%, better
Qts1.74 +98%, worse
Vas13.1 L +36%, worse
BL3.5 T·m −40%, worse
Xmax1.5 mm −6%
Sensitivity90.6 dB −6.4, worse
JensenC8R-8
No current priceFs126 Hz −13%, better
Qts1.80 +105%, worse
Vas11.4 L +19%, worse
BL4.7 T·m −18%, worse
Xmax1 mm −37%, worse
Sensitivity93 dB −4, worse
CIARECW200Z
No current priceFs49 Hz −66%, better
Qts0.53 −40%, better
Vas38.3 L +298%, worse
BL5.2 T·m −10%
Xmax4 mm +152%, better
Sensitivity90.1 dB −6.9, worse
JensenMOD8-20-8
No current priceFs119 Hz −17%, better
Qts2.24 +155%, worse
Vas11.1 L +15%, worse
BL4.5 T·m −22%, worse
Xmax1 mm −37%, worse
Sensitivity93.2 dB −3.8, 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 current price found. Pricing may appear after the next vendor refresh.