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Tutorial : Altec 420A 15 full range BiFlex drivers circa 1960s tested pair

How to Repair an Altec 420A Speaker


peejfancher

11 years ago

  • Pair Altec 420A 15" full range biflex mint matched tested RCA LC1. Tested on a vintage MC240 6L6GC amp. Needed only about 1 watt, camera about 1 meter away, ...

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