PRO SERIES

PRO 6.5" Coaxial Speaker Driver

Model  SV-166C-66-120-0060-01

60–20kHzFrequency Range
89dBSensitivity
6ΩImpedance
100WRated Power

Features

  • 6.5-inch wool fiber cone woofer
  • 1.5-inch polymer material dome tweeter
  • Ferrite External magnetic circuit
  • Sovox ISP patented coaxial loudspeaker
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01General Specification
UnitLFHF
Diameter mm∅178∅37.6
Nominal impedance Ω66
Program power [1] W10020
AES power rating [2] W8010
Sensitivity [3] dB8989
Frequency range HzF0–20k
Voice coil diameter inch1.51.5
Frame material Iron basket
Magnet material Ferrite
Recommended crossover [4] Hz1k
Xmax [5] mm2.1
Driver displacement enclosure L1.11
02LF T/S Parameters [6]
DC resistanceRe (Ω)5.8
Resonance frequencyFs (Hz)60
Moving massMms (g)15.5
ComplianceCms (mm/N)0.45
Mechanical lossesRms (kg/s)1.65
Force factorBL (N/A)8.7
Mechanical Q-factorQms3.5
Electrical Q-factorQes0.4
Total Q-factorQts0.4
Equivalent air volumeVas (L)9.9
Voice coil InductanceLe (mH)0.35
Diaphragm areaSd (cm²)126.68
Reference efficiencyη0 (%)0.48
03Shipping Information
Net weightkg2.2
Unit sizemm∅178×H120
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 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.