Customer Support



    SB Acoustics SB15SFCR-00 5'' x 8'' Passive Radiator

    € 24,75€ 29,95 7 In stock: delivery time 1-4 business days
    Bulk discount Enjoy these awesome discount deals
    • -5% Order 4 for only €28,45 per piece
    • 24h express shipping available
    • Low international shipping rates
    • Same day shipping*
    • In-house technical support

    Product description


    • Racetrack design
    • Hard paper cone (made in-house)
    • Low damping rubber surround
    • Symmetric suspension
    • Easily adjustable moving mass


    Product details

    SB Acoustics SB15SFCR-00 5'' x 8'' Passive Radiator


    With a racetrack design, the SB Acoustics SB15SFCR-00 is a 5" X 8" passive radiator with a made in-house hard paper cone. Its components also include a low damping rubber surround, symmetric suspension as well as an easily adjustable moving mass. 


    Article number
    Woofer Type
    Passive Radiator
    Nominal Diameter
    5" X 8"
    Resonant Frequency (Fs)
    21 Hz
    Mechanical Q (Qms)
    Diaphragm Mass Inc. Airload (Mms)
    Mechanical Compliance of Suspension (Cms)
    0.93 mm/N
    Surface Area of Cone (Sd)
    178 cm2
    Compliance Equivalent Volume (Vas)
    1.47 ft.³


    4 from 5Based on 2 reviews
    Review this product
    5 of 5
    Mooie oplossing in combinatie met een Dayton RS180P-4 in 24 liter.
    Zonder extra toegevoegd gewicht op de radiator geeft dit een mooi strak laag. En uiteraard geen last van ongewenste poortresonanties zoals we die kennen van basreflexkasten.
    By Bob H. on 25 March 2021
    3 of 5
    The SB15SFCR is a nice looking unit with a good stiff and light cone. However, for me the half roll rubber top suspension is very stiff and I am wondering if the response will be delicate and dynamic enough to make the most of the quality from the SB15CAC30 5" driving it!? Hopefully with use the stiffness will diminish over time but take note SB Acoustics, study the KEF B139 passive more. Also, I can not find any data for the cut out dimensions to front mount the unit as is designed!? Kind regards, Adam.
    By Adam K. on 16 March 2021

    Related products

    Complete your purchase

    SB15SFCR-00 5'' x 8'' Passive Radiator
    € 24,75
    € 29,95
    SB15SFCR-00 5'' x 8'' Passive Radiator
    7 In stock: delivery time 1-4 business days
    Add to cart
    Compare 0

    Add another product (max. 5)

    Start comparison

    By using our website, you agree to the usage of cookies to help us make this website better. Hide this messageMore on cookies »