05-15-2018, 05:59 PM
Yes, it should. I don't own a 610B but I do have a 610T "Big Bullet" and it has a 630 chassis inside. The 630 chassis fit like a glove...once the shadowmeter was removed. You'll have to do that if you put a 630 chassis in a 610B as well or else you may have speaker clearance issues. I used a 1K, 1/2 watt resistor in place of the shadowmeter.
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Ron Ramirez
Ferdinand IN