8-inch LF driver · 50 mm voice coil · 200 W

RS Speakers W 220.50 FIBONACCI 8Ω

Name: RS Speakers W 220.50 FIBONACCI 8 Ohm
Brand: RS Speakers
SKU: W 220.50 FIBONACCI

8 Ω

No current price

View offers

Open in 00 Simulator

Fs: 33Hz
Xmax: 6mm
SPL: 89dB
Pe: 200W
BL: 8.6T·m
Vd: 128cm³
Qts: 0.36
Vas: 56L

See all 24 specs

Specifications

Published by RS Speakers

Manufacturer page

Datasheet PDF

RS Speakers W 220.50 FIBONACCI is an 8-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 33 Hz, Qts 0.36, Vas 55.6 L, Xmax 6 mm, sensitivity 89.3 dB, plus 128 cm³ Vd and 86 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: 0.39
Qms: 5.8
Vas: 55.6L
Re: 5.1Ω
Le: 0.65mH

Motor and cone

BL: 8.6T·m
Sd: 214cm²
Mms: 27g
Xmax: 6mm
Vd †: 128cm³
Voice coil: 50mm

Power and response

Sensitivity †: 89.3dB
Manufacturer sensitivity: 91.3dB
Power: 200W
Impedance: 8Ω
EBP †: 86 · Sealed or vented

Size and mounting

Diameter: 220mm
Cutout: 184mm
Depth: 97.6mm
Weight: 2.9kg

Other published values

Cms: 0.86mm/N
Power Program: 400

Sensitivity shows 89.3 dB, calculated from the T/S values. RS Speakers publishes 91.3 dB, 2.0 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else RS Speakers lists

LF · Primary · 8″

BL: 8.6T·m
Fs: 33Hz
Le: 0.65mH
Re: 5.1Ω
Sd: 214cm²
Cms: 0.86mm/N
Mms: 27g
Qes: 0.39
Qms: 5.8
Qts: 0.36
SPL: 89.3dB
Vas: 55.6L
Xmax: 6mm
Power: 200W
Impedance: 8Ω
Sensitivity: 91.3dB
Power Program: 400
Calculated sensitivity †: 89.3dB
Manufacturer sensitivity: 91.3dB
Voice coil: 50mm
Weight: 2.9kg
Diameter: 220mm
Depth: 97.6mm
Cutout: 184mm

Compare

Same-size drivers, compared with the W 220.50 FIBONACCI. Clear differences are green when better and red when worse.

This driverW 220.50 FIBONACCI

Best price

–

33 Hz

Qts

0.36

Vas

55.6 L

8.6 T·m

Xmax

6 mm

Sensitivity

89.3 dB

Power

200 W

SB AcousticsSB20PFC30-8

£35.60

Fs34 Hz –

Qts0.37 –

Vas66.2 L +19%

BL7.7 T·m −10%

Xmax5.7 mm −6%

Sensitivity89.8 dB +0.5

SB AcousticsSB20PFC30-4

£35.60

Fs34 Hz –

Qts0.33 −8%

Vas66.2 L +19%

BL6.6 T·m −23%

Xmax5.8 mm −4%

Sensitivity90.4 dB +1.1

Dayton AudioDA215-8

£42.34

Fs35 Hz +4%

Qts0.37 –

Vas42.7 L −23%

BL10 T·m +16%

Xmax5.3 mm −12%

Sensitivity88.1 dB −1.2

PeerlessHDS-P830869

£46.52

Fs34 Hz –

Qts0.38 +6%

Vas57.6 L +4%

BL9.3 T·m +9%

Xmax7.5 mm +25%

Sensitivity89.5 dB –

Dayton AudioDS215-8

£49.91

Fs34 Hz –

Qts0.31 −14%

Vas43.1 L −22%

BL9.9 T·m +15%

Xmax5.5 mm −8%

Sensitivity88.6 dB −0.7

Dayton AudioSD215A-88

£50.81

Fs31 Hz −7%

Qts0.39 +8%

Vas38.2 L −31%

BL7.7 T·m −10%

Xmax6 mm –

Sensitivity86.1 dB −3.2

HiViC8

£62.01

Fs35 Hz +5%

Qts0.36 –

Vas56.1 L –

BL9.8 T·m +14%

Xmax5.9 mm –

Sensitivity89.6 dB –

CIAREHWB200

£63.09

Fs32 Hz −4%

Qts0.39 +8%

Vas59 L +6%

BL8.9 T·m +3%

Xmax7 mm +17%

Sensitivity88.8 dB −0.5

REDCATT8FR

£66.91

Fs53 Hz +59%

Qts0.38 +5%

Vas36.8 L −34%

BL7.9 T·m −9%

Xmax5.8 mm −3%

Sensitivity93.4 dB +4.1

Dayton AudioRS225-8

£68.06

Fs28 Hz −15%

Qts0.38 +6%

Vas56.8 L –

BL9.1 T·m +5%

Xmax7 mm +17%

Sensitivity86.1 dB −3.2

HiViE8

£71.85

Fs34 Hz –

Qts0.37 –

Vas49.8 L −10%

BL9.9 T·m +15%

Xmax5.9 mm –

Sensitivity88.6 dB −0.7

Dayton AudioRS225P-8A

£88.96

Fs32 Hz −5%

Qts0.34 −6%

Vas68.8 L +24%

BL8.5 T·m –

Xmax7 mm +17%

Sensitivity88.8 dB −0.5

SB AcousticsSB23NACS45-8

£89.65

Fs25 Hz −25%

Qts0.37 –

Vas94 L +69%

BL7.9 T·m −8%

Xmax6.5 mm +8%

Sensitivity87.7 dB −1.6

WavecorWF182BD12

£119.52

Fs30 Hz −12%

Qts0.37 –

Vas32.4 L −42%

BL8.2 T·m −5%

Xmax5.5 mm −8%

Sensitivity85.4 dB −3.9

MarkaudioMA200-M MULTI

£156.00

Fs33 Hz –

Qts0.35 −4%

Vas65.2 L +17%

BL8.5 T·m –

Xmax9 mm +50%

Sensitivity89.6 dB –

Scanspeak18W/8531G00

£168.81

Fs28 Hz −16%

Qts0.36 –

Vas58.2 L +5%

BL6.8 T·m −21%

Xmax6.5 mm +8%

Sensitivity87.2 dB −2.1

Scanspeak18W/4531G01

£168.82

Fs34 Hz –

Qts0.35 –

Vas45.6 L −18%

BL5.7 T·m −34%

Xmax6.5 mm +8%

Sensitivity88.8 dB −0.5

SEASH1471-08 CA22RNY

£185.62

Fs34 Hz –

Qts0.30 −17%

Vas82 L +47%

BL8.5 T·m –

Xmax6 mm –

Sensitivity91.5 dB +2.2

WavecorWF182BD20

£190.71

Fs30 Hz −12%

Qts0.37 –

Vas32.4 L −42%

BL8.2 T·m −5%

Xmax5.5 mm −8%

Sensitivity85.4 dB −3.9

Eighteen Sound8CX401F

£199.68

Fs56 Hz +68%

Qts0.34 −6%

Vas23.9 L −57%

BL9.3 T·m +8%

Xmax5.8 mm −3%

Sensitivity92.5 dB +3.2

WavecorWF223BD01

£207.92

Fs33 Hz –

Qts0.39 +8%

Vas45 L −19%

BL7.7 T·m −10%

Xmax6.5 mm +8%

Sensitivity87.9 dB −1.4

PurifiPTT8.0X04-NAB-01

£593.28

Fs26 Hz −22%

Qts0.36 –

Vas70.4 L +27%

BL8 T·m −7%

Xmax9.3 mm +55%

Sensitivity87.2 dB −2.1

Scanspeak21WE/8542T00

£847.56

Fs36 Hz +8%

Qts0.38 +6%

Vas54 L –

BL10 T·m +16%

Xmax7.7 mm +28%

Sensitivity90 dB +0.7

WavecorWF223BD02

No current price

Fs31 Hz −7%

Qts0.37 –

Vas49.5 L −11%

BL9.5 T·m +10%

Xmax6.5 mm +8%

Sensitivity87.9 dB −1.4

HiViSS8II

No current price

Fs32 Hz −4%

Qts0.32 −11%

Vas61.6 L +11%

BL8.5 T·m –

Xmax5.8 mm −3%

Sensitivity89.8 dB +0.5

SB AcousticsMW19PF-8

No current price

Fs30 Hz −10%

Qts0.34 −6%

Vas63 L +13%

BL7 T·m −19%

Xmax6.5 mm +8%

Sensitivity88.7 dB −0.6

Cube AudioF8 MAGUS

No current price

Fs40 Hz +20%

Qts0.37 –

Vas53 L −5%

BL9 T·m +5%

Xmax3 mm −50%

Sensitivity91.7 dB +2.4

Supravox215 GMF

No current price

Fs54 Hz +62%

Qts0.36 –

Vas60 L +8%

BL9.7 T·m +13%

Xmax3.7 mm −38%

Sensitivity96 dB +6.7

HiViBG8N

No current price

Fs37 Hz +11%

Qts0.36 –

Vas46.1 L −17%

BL10.1 T·m +17%

Xmax5 mm −17%

Sensitivity89.2 dB –

WavecorWF182BD07

No current price

Fs40 Hz +20%

Qts0.34 −6%

Vas24.4 L −56%

BL8.5 T·m –

Xmax5.5 mm −8%

Sensitivity88.5 dB −0.8

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

No current price found. Pricing may appear after the next vendor refresh.

bits00 AUDIO

8-inch LF driver · 50 mm voice coil · 200 W

RS Speakers W 220.50 FIBONACCI 8Ω

8 Ω

No current price

View offers

Open in 00 Simulator

Fs: 33Hz
Xmax: 6mm
SPL: 89dB
Pe: 200W
BL: 8.6T·m
Vd: 128cm³
Qts: 0.36
Vas: 56L

See all 24 specs

Specifications

Published by RS Speakers

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 33Hz
Qts: 0.36
Qes: 0.39
Qms: 5.8
Vas: 55.6L
Re: 5.1Ω
Le: 0.65mH

Motor and cone

BL: 8.6T·m
Sd: 214cm²
Mms: 27g
Xmax: 6mm
Vd †: 128cm³
Voice coil: 50mm

Power and response

Sensitivity †: 89.3dB
Manufacturer sensitivity: 91.3dB
Power: 200W
Impedance: 8Ω
EBP †: 86 · Sealed or vented

Size and mounting

Diameter: 220mm
Cutout: 184mm
Depth: 97.6mm
Weight: 2.9kg

Other published values

Cms: 0.86mm/N
Power Program: 400

Sensitivity shows 89.3 dB, calculated from the T/S values. RS Speakers publishes 91.3 dB, 2.0 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else RS Speakers lists

LF · Primary · 8″

BL: 8.6T·m
Fs: 33Hz
Le: 0.65mH
Re: 5.1Ω
Sd: 214cm²
Cms: 0.86mm/N
Mms: 27g
Qes: 0.39
Qms: 5.8
Qts: 0.36
SPL: 89.3dB
Vas: 55.6L
Xmax: 6mm
Power: 200W
Impedance: 8Ω
Sensitivity: 91.3dB
Power Program: 400
Calculated sensitivity †: 89.3dB
Manufacturer sensitivity: 91.3dB
Voice coil: 50mm
Weight: 2.9kg
Diameter: 220mm
Depth: 97.6mm
Cutout: 184mm

Compare

Same-size drivers, compared with the W 220.50 FIBONACCI. Clear differences are green when better and red when worse.

This driverW 220.50 FIBONACCI

Best price

–

33 Hz

Qts

0.36

Vas

55.6 L

8.6 T·m

Xmax

6 mm

Sensitivity

89.3 dB

Power

200 W

SB AcousticsSB20PFC30-8

£35.60

Fs34 Hz –

Qts0.37 –

Vas66.2 L +19%

BL7.7 T·m −10%

Xmax5.7 mm −6%

Sensitivity89.8 dB +0.5

SB AcousticsSB20PFC30-4

£35.60

Fs34 Hz –

Qts0.33 −8%

Vas66.2 L +19%

BL6.6 T·m −23%

Xmax5.8 mm −4%

Sensitivity90.4 dB +1.1

Dayton AudioDA215-8

£42.34

Fs35 Hz +4%

Qts0.37 –

Vas42.7 L −23%

BL10 T·m +16%

Xmax5.3 mm −12%

Sensitivity88.1 dB −1.2

PeerlessHDS-P830869

£46.52

Fs34 Hz –

Qts0.38 +6%

Vas57.6 L +4%

BL9.3 T·m +9%

Xmax7.5 mm +25%

Sensitivity89.5 dB –

Dayton AudioDS215-8

£49.91

Fs34 Hz –

Qts0.31 −14%

Vas43.1 L −22%

BL9.9 T·m +15%

Xmax5.5 mm −8%

Sensitivity88.6 dB −0.7

Dayton AudioSD215A-88

£50.81

Fs31 Hz −7%

Qts0.39 +8%

Vas38.2 L −31%

BL7.7 T·m −10%

Xmax6 mm –

Sensitivity86.1 dB −3.2

HiViC8

£62.01

Fs35 Hz +5%

Qts0.36 –

Vas56.1 L –

BL9.8 T·m +14%

Xmax5.9 mm –

Sensitivity89.6 dB –

CIAREHWB200

£63.09

Fs32 Hz −4%

Qts0.39 +8%

Vas59 L +6%

BL8.9 T·m +3%

Xmax7 mm +17%

Sensitivity88.8 dB −0.5

REDCATT8FR

£66.91

Fs53 Hz +59%

Qts0.38 +5%

Vas36.8 L −34%

BL7.9 T·m −9%

Xmax5.8 mm −3%

Sensitivity93.4 dB +4.1

Dayton AudioRS225-8

£68.06

Fs28 Hz −15%

Qts0.38 +6%

Vas56.8 L –

BL9.1 T·m +5%

Xmax7 mm +17%

Sensitivity86.1 dB −3.2

HiViE8

£71.85

Fs34 Hz –

Qts0.37 –

Vas49.8 L −10%

BL9.9 T·m +15%

Xmax5.9 mm –

Sensitivity88.6 dB −0.7

Dayton AudioRS225P-8A

£88.96

Fs32 Hz −5%

Qts0.34 −6%

Vas68.8 L +24%

BL8.5 T·m –

Xmax7 mm +17%

Sensitivity88.8 dB −0.5

SB AcousticsSB23NACS45-8

£89.65

Fs25 Hz −25%

Qts0.37 –

Vas94 L +69%

BL7.9 T·m −8%

Xmax6.5 mm +8%

Sensitivity87.7 dB −1.6

WavecorWF182BD12

£119.52

Fs30 Hz −12%

Qts0.37 –

Vas32.4 L −42%

BL8.2 T·m −5%

Xmax5.5 mm −8%

Sensitivity85.4 dB −3.9

MarkaudioMA200-M MULTI

£156.00

Fs33 Hz –

Qts0.35 −4%

Vas65.2 L +17%

BL8.5 T·m –

Xmax9 mm +50%

Sensitivity89.6 dB –

Scanspeak18W/8531G00

£168.81

Fs28 Hz −16%

Qts0.36 –

Vas58.2 L +5%

BL6.8 T·m −21%

Xmax6.5 mm +8%

Sensitivity87.2 dB −2.1

Scanspeak18W/4531G01

£168.82

Fs34 Hz –

Qts0.35 –

Vas45.6 L −18%

BL5.7 T·m −34%

Xmax6.5 mm +8%

Sensitivity88.8 dB −0.5

SEASH1471-08 CA22RNY

£185.62

Fs34 Hz –

Qts0.30 −17%

Vas82 L +47%

BL8.5 T·m –

Xmax6 mm –

Sensitivity91.5 dB +2.2

WavecorWF182BD20

£190.71

Fs30 Hz −12%

Qts0.37 –

Vas32.4 L −42%

BL8.2 T·m −5%

Xmax5.5 mm −8%

Sensitivity85.4 dB −3.9

Eighteen Sound8CX401F

£199.68

Fs56 Hz +68%

Qts0.34 −6%

Vas23.9 L −57%

BL9.3 T·m +8%

Xmax5.8 mm −3%

Sensitivity92.5 dB +3.2

WavecorWF223BD01

£207.92

Fs33 Hz –

Qts0.39 +8%

Vas45 L −19%

BL7.7 T·m −10%

Xmax6.5 mm +8%

Sensitivity87.9 dB −1.4

PurifiPTT8.0X04-NAB-01

£593.28

Fs26 Hz −22%

Qts0.36 –

Vas70.4 L +27%

BL8 T·m −7%

Xmax9.3 mm +55%

Sensitivity87.2 dB −2.1

Scanspeak21WE/8542T00

£847.56

Fs36 Hz +8%

Qts0.38 +6%

Vas54 L –

BL10 T·m +16%

Xmax7.7 mm +28%

Sensitivity90 dB +0.7

WavecorWF223BD02

No current price

Fs31 Hz −7%

Qts0.37 –

Vas49.5 L −11%

BL9.5 T·m +10%

Xmax6.5 mm +8%

Sensitivity87.9 dB −1.4

HiViSS8II

No current price

Fs32 Hz −4%

Qts0.32 −11%

Vas61.6 L +11%

BL8.5 T·m –

Xmax5.8 mm −3%

Sensitivity89.8 dB +0.5

SB AcousticsMW19PF-8

No current price

Fs30 Hz −10%

Qts0.34 −6%

Vas63 L +13%

BL7 T·m −19%

Xmax6.5 mm +8%

Sensitivity88.7 dB −0.6

Cube AudioF8 MAGUS

No current price

Fs40 Hz +20%

Qts0.37 –

Vas53 L −5%

BL9 T·m +5%

Xmax3 mm −50%

Sensitivity91.7 dB +2.4

Supravox215 GMF

No current price

Fs54 Hz +62%

Qts0.36 –

Vas60 L +8%

BL9.7 T·m +13%

Xmax3.7 mm −38%

Sensitivity96 dB +6.7

HiViBG8N

No current price

Fs37 Hz +11%

Qts0.36 –

Vas46.1 L −17%

BL10.1 T·m +17%

Xmax5 mm −17%

Sensitivity89.2 dB –

WavecorWF182BD07

No current price

Fs40 Hz +20%

Qts0.34 −6%

Vas24.4 L −56%

BL8.5 T·m –

Xmax5.5 mm −8%

Sensitivity88.5 dB −0.8

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

No current price found. Pricing may appear after the next vendor refresh.