1959 Lafayette Coaxial Loudspeaker Destruction

With sheepskin surrounds, These Japanese Lafayette SK-58 coaxial 12 inch speakers I had owned in the past and sold them before really trying them out. They somehow came back to me in poor condition after many owners had tried using them without luck

Today we check out what the deal is with these drivers, Testing them to the limit and far beyond to see what they are capable of and just why this pair had every audio guy let down


00:00 Intro / Overview
04:31 Fix tweeter pods
05:32 Test with JBL boombox amp
07:47 60's Lafayette advertisements
09:34 Out of phase?? Large amp test
13:10 Phase troubleshooting
14:21 Correct phase large amp test
18:20 Scare myself with tone generator
19:57 Bass boosted coil break
21:33 Thrift shop find
22:22 Single driver test, mono
24:48 Dome tweeter upgrade
26:45 Bell
27:03 High power blast, cone destruction
29:58 Glue gun
30:20 High pass, high power
33:11 Coil continuity
34:03 120v AC vs. coils
37:33 SPEAKER LOTTERY
43:02 Test the winnings
46:50 Woofer 1 blowout
48:14 Woofer 2 blowout
51:18 Woofer 3 blowout
55:20 Final thoughts / Quality control error