Dayton AudioDCS305-4
£116.39 · 139% more, worseFs24 Hz −31%, better
Qts0.40 –
Vas92.3 L −18%, better
BL13.7 T·m −21%, worse
Xmax9.3 mm +19%, better
Sensitivity86.9 dB −5.9, worse
12-inch LF driver · 350 W
GRS 12PT-8 8Ω
8 Ω · 35–7000 Hz
£48.62
SteadyParts Express · 23 in stock · Ships from United States · All 2 offers
- Fs
- 35Hz
- Xmax
- 7.8mm
- SPL
- 93dB
- Pe
- 350W
- BL
- 17.4T·m
- Vd
- 414cm³
- Qts
- 0.39
- Vas
- 112L
GRS 12PT-8 is a 12-inch 8 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.39, Vas 112.1 L, Xmax 7.8 mm, sensitivity 92.8 dB, plus 414 cm³ Vd and 88 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £48.62.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.39
- Qes
- 0.40
- Qms
- 12.1
- Vas
- 112.1L
- Re
- 7.6Ω
- Le
- 1.90mH
Motor and cone
- BL
- 17.4T·m
- Sd
- 531cm²
- Mms
- 73g
- Xmax
- 7.8mm
- Vd †
- 414cm³
Power and response
- Sensitivity †
- 92.8dB
- Manufacturer sensitivity
- 93dB
- Power
- 350W
- Impedance
- 8Ω
- Range
- 35–7000Hz
- EBP †
- 88 · Sealed or vented
Size and mounting
- Diameter
- 309.9mm
- Cutout
- 276.9mm
- Bolt circle
- 294.9mm
- Depth
- 129.8mm
Other published values
- Cms
- 0.28mm/N
- Power Peak
- 700
† Calculated by bits from the published values
What this validation status means
Everything else GRS lists
LF · Primary · 12″
- BL
- 17.4T·m
- Fs
- 35Hz
- Le
- 1.90mH
- Re
- 7.6Ω
- Sd
- 531cm²
- Cms
- 0.28mm/N
- Mms
- 73g
- Qes
- 0.40
- Qms
- 12.1
- Qts
- 0.39
- SPL
- 92.8dB
- Vas
- 112.1L
- Xmax
- 7.8mm
- Power
- 350W
- Impedance
- 8Ω
- Power Peak
- 700
- Sensitivity
- 93dB
- Low limit
- 35Hz
- Calculated sensitivity †
- 92.8dB
- High limit
- 7000Hz
- Manufacturer sensitivity
- 93dB
- Diameter
- 309.9mm
- Depth
- 129.8mm
- Cutout
- 276.9mm
- Bolt circle
- 294.9mm
02
Compare
Same-size drivers, compared with the 12PT-8. Clear differences are green when better and red when worse.
This driver12PT-8
Best price
£48.62
Fs
35 Hz
Qts
0.39
Vas
112.1 L
BL
17.4 T·m
Xmax
7.8 mm
Sensitivity
92.8 dB
Power
350 W
PRV Audio12MB1000FT
£119.62 · 146% more, worseFs53 Hz +51%, worse
Qts0.37 −5%
Vas74.6 L −33%, better
BL16.5 T·m −5%
Xmax6.9 mm −12%, worse
Sensitivity96.6 dB +3.8, better
Beyma12MCS500
£134.74 · 177% more, worseFs57 Hz +63%, worse
Qts0.36 −8%
Vas57 L −49%, better
BL17.6 T·m –
Xmax8 mm –
Sensitivity96.5 dB +3.7, better
CelestionCF1230BMB
£145.00 · 198% more, worseFs43 Hz +24%, worse
Qts0.38 –
Vas60.7 L −46%, better
BL18.4 T·m +6%
Xmax7 mm −10%, worse
Sensitivity92.8 dB –
Beyma12MC500
£150.88 · 210% more, worseFs57 Hz +63%, worse
Qts0.34 −13%, better
Vas57 L −49%, better
BL18.3 T·m +5%
Xmax8 mm –
Sensitivity96.8 dB +4, better
FaitalPRO12PR320
£154.90 · 219% more, worseFs42 Hz +20%, worse
Qts0.37 −5%
Vas113.3 L –
BL13.5 T·m −22%, worse
Xmax7.4 mm −6%
Sensitivity95.4 dB +2.6, better
Sica12 SR 3 CP
£154.90 · 219% more, worseFs37 Hz +6%
Qts0.40 –
Vas60.9 L −46%, better
BL16.6 T·m −5%
Xmax8 mm –
Sensitivity90.3 dB −2.5, worse
EminenceOMEGA PRO-12-2KW-8
£172.05 · 254% more, worseFs48 Hz +38%, worse
Qts0.39 –
Vas49.5 L −56%, better
BL20.4 T·m +17%, better
Xmax7.1 mm −9%
Sensitivity93.4 dB +0.6
EminenceKAPPALITE 3012LF
£175.00 · 260% more, worseFs37 Hz +6%
Qts0.32 −18%, better
Vas106.7 L −5%
BL16.7 T·m −4%
Xmax9.1 mm +17%, better
Sensitivity94 dB +1.2
Eighteen Sound12W700
£179.00 · 268% more, worseFs58 Hz +66%, worse
Qts0.36 −8%
Vas55 L −51%, better
BL17.7 T·m –
Xmax6.5 mm −17%, worse
Sensitivity96.7 dB +3.9, better
SB AudienceNERO-12MWN700D
£179.95 · 270% more, worseFs53 Hz +51%, worse
Qts0.38 –
Vas52.5 L −53%, better
BL17.9 T·m –
Xmax7.3 mm −6%
Sensitivity94.9 dB +2.1, better
EminenceLAB 12
£194.49 · 300% more, worseFs22 Hz −37%, better
Qts0.38 –
Vas125.2 L +12%, worse
BL15 T·m −14%, worse
Xmax13 mm +67%, better
Sensitivity87.4 dB −5.4, worse
Sica12 SR 3 PL
£208.49 · 329% more, worseFs36 Hz –
Qts0.42 +8%
Vas60.4 L −46%, better
BL17.0 T·m –
Xmax7 mm −10%, worse
Sensitivity90 dB −2.8, worse
Eighteen Sound12NW530
£228.40 · 370% more, worseFs55 Hz +57%, worse
Qts0.37 −5%
Vas36 L −68%, better
BL19.7 T·m +13%, better
Xmax8 mm –
Sensitivity94 dB +1.2
Eighteen Sound12NTLW2500
£243.57 · 401% more, worseFs60 Hz +71%, worse
Qts0.38 –
Vas45 L −60%, better
BL17.4 T·m –
Xmax7.6 mm –
Sensitivity96 dB +3.2, better
Eighteen Sound12NLW9300
£274.84 · 465% more, worseFs47 Hz +34%, worse
Qts0.42 +8%
Vas56 L −50%, better
BL17 T·m –
Xmax8 mm –
Sensitivity93.1 dB –
BMS12N630
£283.85 · 484% more, worseFs29 Hz −18%, better
Qts0.33 −15%, better
Vas85.5 L −24%, better
BL19.8 T·m +14%, better
Xmax8 mm –
Sensitivity89.6 dB −3.2, worse
Eighteen Sound12NTLS3500
£299.50 · 516% more, worseFs41 Hz +17%, worse
Qts0.41 +5%
Vas65 L −42%, better
BL17.8 T·m –
Xmax7.9 mm –
Sensitivity92.2 dB −0.6
FaitalPRO12HX240
£325.71 · 570% more, worseFs56 Hz +60%, worse
Qts0.37 −5%
Vas61.1 L −46%, better
BL16 T·m −8%
Xmax7.4 mm −6%
Sensitivity96.5 dB +3.7, better
FaitalPRO12HX500
£386.84 · 696% more, worseFs55 Hz +57%, worse
Qts0.37 −5%
Vas57.8 L −48%, better
BL17.4 T·m –
Xmax9.3 mm +19%, better
Sensitivity95.9 dB +3.1, better
Scanspeak28W/8878T01
£586.08 · 1106% more, worseFs22 Hz −37%, better
Qts0.31 −21%, better
Vas116 L +3%
BL14.9 T·m −14%, worse
Xmax7.5 mm −4%
Sensitivity87.8 dB −5, worse
CIAREHSB322
No current priceFs36 Hz –
Qts0.37 −5%
Vas83 L −26%, better
BL17 T·m –
Xmax7.5 mm −4%
Sensitivity91.9 dB −0.9
PeerlessNCP-1230R01-08
No current priceFs63 Hz +80%, worse
Qts0.37 −5%
Vas46.3 L −59%, better
BL18.1 T·m +4%
Xmax7.9 mm –
Sensitivity96.7 dB +3.9, better
Eighteen Sound12NTLX3500
No current priceFs39 Hz +11%, worse
Qts0.33 −15%, better
Vas79.6 L −29%, better
BL17.1 T·m –
Xmax7.9 mm –
Sensitivity93.3 dB +0.5
PRV Audio12MR1000
No current priceFs49 Hz +41%, worse
Qts0.39 –
Vas92.3 L −18%, better
BL15.9 T·m −9%
Xmax3 mm −62%, worse
Sensitivity96.5 dB +3.7, better
No photo
PHL Audio4511
No current priceFs48 Hz +37%, worse
Qts0.40 –
Vas74.1 L −34%, better
BL15.1 T·m −13%, worse
Xmax7 mm −10%, worse
Sensitivity94.6 dB +1.8
Sica12 S 3 PL
No current priceFs42 Hz +20%, worse
Qts0.34 −13%, better
Vas76.9 L −31%, better
BL16.8 T·m −3%
Xmax7 mm −10%, worse
Sensitivity94 dB +1.2
Oberton12NMB35
No current priceFs54 Hz +55%, worse
Qts0.36 −8%
Vas54.3 L −52%, better
BL17 T·m –
Xmax6.8 mm −13%, worse
Sensitivity95.7 dB +2.9, better
HiViF12
No current priceFs26 Hz −26%, better
Qts0.36 −8%
Vas145.6 L +30%, worse
BL16.1 T·m −7%
Xmax6 mm −23%, worse
Sensitivity90.2 dB −2.6, worse
No photo
PHL Audio4021
No current priceFs35 Hz –
Qts0.35 −10%, better
Vas70 L −38%, better
BL20.5 T·m +18%, better
Xmax7.5 mm −4%
Sensitivity91.2 dB −1.6
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.9 out of 551 ratings · Checked 24 Oct 2026Read reviews on Parts Express
- SoundImports5.0 out of 53 ratings · Checked 24 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Parts Express Import VAT and duty may apply | £48.62, the lowest price | 23 in stock | Visit shop at Parts Express | |
SoundImports Import VAT and duty may apply | £87.88 | 81% above the lowest price | 10 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr