MGO Posted January 29, 2019 Posted January 29, 2019 (edited) Item: Altec 604-168x Duplex Speaker 16" - Single speaker only Location: Sydney East Price: $650 plus postage Item Condition: Very good Reason for selling: Different Build Payment Method: Pickup - Cash, Paypal, Bank TT This speaker has the original bass cone in excellent order, and a replacement high frequency diaphragm. Both work perfectly and have the ferrite permanent magnets which superseded the AlNiCo (prone to losing their magnetic strength). The 168x refers to the 16 ohm HF and 8 ohm woofer impedance. Please see the original marketing flyer attached. https://www.technicalaudio.com/pdf/Duplex_Speakers_related_to_Altec_604/604_1983_604-16X_168X_Duplex_Speakers.pdf In 1944, Altec Lansing released what is possibly the most famous loudspeaker ever made by anyone – the 604 DUPLEX®. A 15″ co-axial loudspeaker, it revolutionized the studio monitoring world, and became the world standard by which all others of it’s type that would follow for the next 50 years. Nothing sounds more natural and lifelike than a properly operating 604! This model offered for sale is the Altec 604-168x and was made between 1982 and 1998. It boasts a different high-frequency horn than the previous models. It has Altec's Tangerine phase plug that extends high frequencies to beyond 20kHz (depending on diaphragm used). The new Mantaray horn is a constant directivity design new exponentially-flared radial horn that provides excellent upper end response not achieved in any previous version of the 604. When installed in a properly designed enclosure, its performance is, to say the least, impressive. Stereo imaging is amazing and very real-to-life. Perfect for studio monitoring, critical listening rooms, hotel ballrooms, professional sound reinforcement systems, and home audio systems of the finest order. Edited January 29, 2019 by MGO 2
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