Additional information may be helpful. The tweeter is a Vifa 1" silk soft dome. The woofer 10 " Chapman Speaker. The speaker is about 90 pounds and 40"X10"X13". It is a modified transmission line more accurately described as compression line design. Crossovers are at 120 and 4500 Hertz It is 88db efficency and a 4 0hm speaker. The manufacturer is Chapman Audio Systems (Stuart Jones-owner) PO Box 140, Vashon, Washington, 98070. Tel. number is (206) 463-3008. The web site is in construction.Stuart sells directly to his customers.
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