Tag Archives: upgrade

ACOUSTIC RESEARCH AR3 SPEAKERS With AR3a Woofer Upgrade! + AR4 Center Channel

Vintage AR3 speakers for sale. They have been fully refoamed and are in phenomenal shape. Alnico woofers have been upgraded to AR3a woofers [...]

Acoustic Research AR 1, 3, 5, 7, 9 Speakers crossover upgrade repair service

Service provided: Cross-over upgrades Internal wiring + terminal posts upgrade Driver upgrade or replacement; if applicable Prices will be q [...]
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