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{ "id":15940478402942, "title":"Visaton SC 4.9 FL 8 Ohm, 1.6 x 3.5 Inch, Flat Oval Full Range Speaker","handle":"visaton-sc-4-9-fl-8-full-range-speaker-art-no-8051", "description":"\u003cp\u003eA flat 8 Ω oval driver with a wood-fibre cone and a neodymium magnet.\u003c\/p\u003e\u003cp\u003eThe SC 4.9 FL combines a plastic frame with a shallow oval format for equipment where depth and panel height are restricted. It suits compact music and speech reproduction behind a narrow opening.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flat oval driver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e 8 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower \/ taps:\u003c\/strong\u003e 4 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency range:\u003c\/strong\u003e 120–20000 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 4 × 9 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting \/ feature:\u003c\/strong\u003e 36 × 86 mm cut-out\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSlim multimedia equipment\u003c\/li\u003e\n\u003cli\u003eBuilt-in audio with restricted mounting depth\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated power\u003c\/th\u003e\n\u003ctd\u003e4 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum power\u003c\/th\u003e\n\u003ctd\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNominal impedance\u003c\/th\u003e\n\u003ctd\u003e8 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e120–20000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMean sound pressure level\u003c\/th\u003e\n\u003ctd\u003e83 dB (1 W\/1 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eExcursion limit\u003c\/th\u003e\n\u003ctd\u003e+\/- 1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eResonance frequency fs\u003c\/th\u003e\n\u003ctd\u003e220 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMagnetic induction\u003c\/th\u003e\n\u003ctd\u003e1.15 T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMagnetic flux\u003c\/th\u003e\n\u003ctd\u003e184 µWb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeight of front pole-plate\u003c\/th\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVoice coil diameter\u003c\/th\u003e\n\u003ctd\u003e25.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeight of winding\u003c\/th\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCutout diameter\u003c\/th\u003e\n\u003ctd\u003e36 x 86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e0.054 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eD.C. resistance Rdc\u003c\/th\u003e\n\u003ctd\u003e6.9 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMechanical Q factor Qms\u003c\/th\u003e\n\u003ctd\u003e3.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eElectrical Q factor Qes\u003c\/th\u003e\n\u003ctd\u003e2.29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTotal Q factor Qts\u003c\/th\u003e\n\u003ctd\u003e1.31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEquivalent volume Vas\u003c\/th\u003e\n\u003ctd\u003e0.43 l\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEffective piston area Sd\u003c\/th\u003e\n\u003ctd\u003e23.5 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDynamically moved mass Mms\u003c\/th\u003e\n\u003ctd\u003e0.9 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eForce factor Bxl\u003c\/th\u003e\n\u003ctd\u003e1.98 Tm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInductance of the voice coil L\u003c\/th\u003e\n\u003ctd\u003e0.13 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConnections\u003c\/th\u003e\n\u003ctd\u003eSolder lugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProtective system\u003c\/th\u003e\n\u003ctd\u003eIP63 at front with sealed mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTemperature range\u003c\/th\u003e\n\u003ctd\u003e-25 to 70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the 36 × 86 mm cut-out, fixing pattern and complete depth against the drawing.\u003c\/li\u003e\n\u003cli\u003eUse an 8 Ω-compatible amplifier and solder strain-relieved leads to the connection lugs.\u003c\/li\u003e\n\u003cli\u003eIP63 applies to the front when installed with a sealed mounting joint. Protect the rear and terminals, and leave the cone clear of the grille.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.visaton.de\/sites\/default\/files\/dd_product\/SC%204.9%20FL_8051.pdf\"\u003eManufacturer datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.visaton.de\/en\/products\/drivers\/fullrange-systems\/sc-49-fl-8-ohm\"\u003eManufacturer product page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e", "published_at":"2026-09-10T13:32:06", "created_at":"2026-06-02T13:28:32", "vendor":"Visaton", "type":"Full-range driver", "tags":["8 Ω","Driver","Impedance_8 Ohm","Loudspeaker","New Products","SC","speaker","Type_Full-Range Speaker","Visaton","Visaton - General Purpose Speakers: Oval"], "price":1009, "price_min":1009, "price_max":1009, "price_varies":false, "compare_at_price":null, "compare_at_price_min":0, "compare_at_price_max":0, "compare_at_price_varies":true, "all_variant_ids":[57499384676734], "variants":[{ "id":57499384676734, "product_id":15940478402942, "product_handle":"visaton-sc-4-9-fl-8-full-range-speaker-art-no-8051", "title":"Default Title", "option1":"Default Title", "option2":null, "option3":null, "sku":"8051", "requires_shipping":true, "taxable":true, "featured_image":null,"image_id":null, "available":true, "name":"Visaton SC 4.9 FL 8 Ohm, 1.6 x 3.5 Inch, Flat Oval Full Range Speaker - Default Title", "options":["Default Title"], "price":1009, "weight":54, "compare_at_price":null, "inventory_quantity":0, "inventory_management":"shopify", "inventory_policy":"continue", "inventory_in_cart":0, "inventory_remaining":0, "incoming":false, "next_incoming_date":null, "taxable":true, "barcode":null}], "available":true,"images":["\/\/impactaudio.co.uk\/cdn\/shop\/files\/sc4_9fl_8_1.jpg?v=1789040870"],"featured_image":"\/\/impactaudio.co.uk\/cdn\/shop\/files\/sc4_9fl_8_1.jpg?v=1789040870", "options":["Title"], "url":"\/products\/visaton-sc-4-9-fl-8-full-range-speaker-art-no-8051"}

Visaton SC 4.9 FL 8 Ohm, 1.6 x 3.5 Inch, Flat Oval Full Range Speaker

Part number: 8051

A flat 8 Ω oval driver with a wood-fibre cone and a neodymium magnet.

Type
Flat oval driver
Connection
8 Ω
Power / taps
4 W
Frequency range
120–20000 Hz
Format
4 × 9 cm
Fitting / feature
36 × 86 mm cut-out
ex VAT
£12.11 inc VAT
Maximum quantity available reached.

Stock and dispatch
Selected products are held in UK stock; other lines are sourced to order. Dispatch timing depends on the product and quantity.

Delivery information. Need it for a specific date? Ask us.

Quantity discounts

Description

The SC 4.9 FL combines a plastic frame with a shallow oval format for equipment where depth and panel height are restricted. It suits compact music and speech reproduction behind a narrow opening.

Typical applications

  • Slim multimedia equipment
  • Built-in audio with restricted mounting depth
Full specifications
SC 4.9 FL · 8 Ω
Rated power4 W
Maximum power5 W
Nominal impedance8 Ω
Frequency response120–20000 Hz
Mean sound pressure level83 dB (1 W/1 m)
Excursion limit+/- 1 mm
Resonance frequency fs220 Hz
Magnetic induction1.15 T
Magnetic flux184 µWb
Height of front pole-plate2 mm
Voice coil diameter25.5 mm
Height of winding2 mm
Cutout diameter36 x 86 mm
Net weight0.054 kg
D.C. resistance Rdc6.9 Ω
Mechanical Q factor Qms3.06
Electrical Q factor Qes2.29
Total Q factor Qts1.31
Equivalent volume Vas0.43 l
Effective piston area Sd23.5 cm²
Dynamically moved mass Mms0.9 g
Force factor Bxl1.98 Tm
Inductance of the voice coil L0.13 mH
ConnectionsSolder lugs
Protective systemIP63 at front with sealed mounting
Temperature range-25 to 70 °C
Dimensions and drawings
SC 4.9 FL · 8 Ω · part 8051 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Check the 36 × 86 mm cut-out, fixing pattern and complete depth against the drawing.

Use an 8 Ω-compatible amplifier and solder strain-relieved leads to the connection lugs.

IP63 applies to the front when installed with a sealed mounting joint. Protect the rear and terminals, and leave the cone clear of the grille.

Downloads

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