PRO SERIES

PRO 12" Mid-Woofer

Model  SV-300W-08-156-0044-01

45–5kHzFrequency Range
96dBSensitivity
8ΩImpedance
400WRated Power

Features

  • 12 inch woofer
  • Light weight and High-Rigidity Diaphragm
  • Heat-resistant Voice Coil
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01General Specification
UnitValue
Diameter mm∅305
Nominal impedance Ω8
Program power [1] W400
AES power rating [2] W200
Sensitivity [3] dB96
Frequency range Hz45–5kHz
Voice coil diameter inch2.5
Frame material Iron basket
Magnet material Ferrite
Recommended crossover [4] Hz2KHz
Xmax [5] mm3
Driver displacement enclosure L3.245
02LF T/S Parameters [6]
DC resistanceRe (Ω)7.4
Resonance frequencyFs (Hz)46
Moving massMms (g)53
ComplianceCms (mm/N)0.22
Mechanical lossesRms (kg/s)0.8
Force factorBL (N/A)16.7
Mechanical Q-factorQms17.4
Electrical Q-factorQes0.4
Total Q-factorQts0.4
Equivalent air volumeVas (L)86.1973
Voice coil InductanceLe (mH)0.7
Diaphragm areaSd (cm²)522.79
Reference efficiencyη0 (%)1.9
03Shipping Information
Net weightkg4.36
Unit sizemm∅305×H130.5
Multipack weightkg
04SPL & Impedance Curve
SPL and impedance curve
Measured with KLIPPEL equipment, on baffle, in Sovox's full-scale anechoic chamber.
05Dimensions mm
dimension drawing

Test Notes

  1. Program power is defined as 3 dB greater than AES power.
  2. Tested in free air for two hours using a continuous band-limited pink noise signal as per AES 2-1984 Rev. 2003.
  3. Measured on axis at 2 V, 1 m; SPL is the average at 200, 500, 800 and 1000 Hz.
  4. High-pass filter with slope 12 dB/oct. or higher.
  5. Xmax = (Hvc − Hg) / 2, where Hvc is voice-coil height and Hg the gap height.
  6. Thiele-Small parameters measured after preconditioning (20–22 °C, 50% RH, 2 h) by Klippel LSI. All specifications subject to change without notice.