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SB Acoustics SB15CRC30-4
SB Acoustics SB15CRC30-4 drawing
SB Acoustics SB15CRC30-4 graph

SB15CRC30-4

Categories: 5-6 inch Bass / Midrange Speakers SB Acoustics Midwoofers

SB Acoustics SB15CRC30-4 Carbon Fibre Midwoofer

£77.19

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The SB Acoustics SB15CRC30-4 is a 5 inch 4 ohm midwoofer featuring a composite woven Carbon fibre / Rohacell® sandwich cone; this space age material has a superb stiffness to weight ratio with high internal damping.

Also available in 8 ohms: SB15CRCS30-8

Key Features:

  • Rohacell®/Carbon fibre sandwich cone for optimised stiffness/damping ratio
  • Vented cast aluminum chassis for optimum strength and low compression
  • Low damping rubber surround for improved transient response
  • Non-conducting fibre glass voice coil former for minimum damping
  • Extended copper sleeve on pole piece for low inductance and low distortion
  • CCAW voice coil for reduced moving mass
  • Vented pole piece for reduced compression
  • Long life silver lead wires.

Basic parameters:

Resonant frequency (fs) 37 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 3.39 DC resistance (Re) 3.1 Ω
Electrical Q factor (Qes) 0.36
 Max power handling 50 W
Total Q factor (Qts) 0.32
 Sensitivity (2.83V/1m)
 88.5dB
Equivalent volume (Vas) 17.3L Chassis diameter
 150mm

Here's the full datasheet:

.pdf link

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