Yamaha s4115 PA Speaker Restoration
Checking out some huge 70's speakers that had had been used as workout equipment and showing the process of getting the system going for my friends kickboxing gym
Music by@FromZeroToZed
00:00 Intro
01:33 Overview
02:36 What equipment they had on hand
03:28 Open first cabinet
04:53 Sound test each cabinet
06:33 Open second cabinet
07:38 Sound test with Altech driver
10:11 Disassembly of horns
12:06 New compression drivers
13:26 System setup
13:50 Sound test / Results
17:30 Final thoughts