APPENDIX B: Three Methods of Deriving Characteristic Impedance
METHOD 1–Use a VICI DM4070 LCR Meter or Similar
1.Measure the capacitance (C)of the cable with the cable open circuited.
2.Measure the inductance (L) of the cablewith the endshort circuited.
3.With capacitance in microfarads and inductance in microhenries calculate the impedance by this formula Zo= √L/C ohms.
*WHITE PAPER* The Sound of Music - How & Why the Speaker Cable Matters
G'DAY
I’ve spent a sizeable amount of the last year putting together this white paper: The Sound of Music and Error in Your Speaker Cables
Yes, I’ve done it for all the naysayers but mainly for all the cable advocates that know how you connect your separates determines the level of accuracy you can part from your system.
I’ve often theorized what is happening but now, here is some proof of what we are indeed hearing in speaker cables caused by the mismatch between the characteristic impedance of the speaker cable and the loudspeaker impedance.
I’ve included the circuit so you can build and test this out for yourselves.
Let the fun begin
Max Townshend
Townshend Audio
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- 146 posts total
- 146 posts total