PRO SERIES

Specification Sheet

PRO 5.25" Mid-Woofer

SV-135W-04-090-0070-01

70–8kHzFrequency Range
86dBSensitivity
4ΩImpedance
30WRated Power

Features5.25 inch mid-bass diaphragm · Lightweight and High-Rigidity Diaphragm · Heat-resistant Voice Coil

01General Specification
UnitValue
Diameter mm∅148
Nominal impedance Ω4
Program power [1] W50
AES power rating [2] W30
Sensitivity [3] dB86
Frequency range HzF0–8kHz
Voice coil diameter inch1.2
Frame material —Iron basket
Magnet material —Ferrite
Recommended crossover [4] Hz2KHz
Xmax [5] mm4.0
Driver displacement enclosure L0.267
03Shipping Information
Net weightkg1.1
Unit sizemm∅148×H74
Multipack weightkg—
PRO 5.25" Mid-Woofer — SV-135W-04-090-0070-01
Top
PRO 5.25" Mid-Woofer — SV-135W-04-090-0070-01
Front
PRO 5.25" Mid-Woofer — SV-135W-04-090-0070-01
Side
02LF T/S Parameters [6]
DC resistanceRe (Ω)3.2
Resonance frequencyFs (Hz)67
Moving massMms (g)16.08
ComplianceCms (mm/N)0.34
Mechanical lossesRms (kg/s)1.54
Force factorBL (N/A)2.65
Mechanical Q-factorQms4.3
Electrical Q-factorQes0.7
Total Q-factorQts0.6
Equivalent air volumeVas (L)4.8991
Voice coil InductanceLe (mH)0.31
Diaphragm areaSd (cm²)100.29
Reference efficiencyη0 (%)0.208
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.