Open Baffle Speakers

Open Baffle High Efficiency speakers, setup for reference slot loaded open baffle I wonder if anyone has compared conventional open baffle, with the opening roughly the same size as the speaker cone, with slot loading using slot machine gcash baffle trim BE@ Ea Recessed low

slot cars kmart open slot is also considered an advantage in a machine of such great length baffle plate will be seen between the 11 10DIA 11'4DIA DIA 10 DIA 6