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    Senior Member eso's Avatar
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    Abbey Road Style monitors: Altec 612 cabinets/615B drivers

    I almost built something without extreme mission creep... Almost.

    The idea was to build a quick pair of 612 cabinets for some 615B drivers (605 with different horn marketed as a ceiling mount). Everything was going smoothly until I remembered a schematic for a time aligned network specific to the 605... everything went off the rails from there. Needing cap <1% in odd values meant grouping caps to get values. That turned into potting the caps... Because the circuit is similar to the Urei networks I added the fuses for protection and the BNC connector for the conductor compensation circuit.

    I eventually made it back to earth, and these sound fantastic.

    eso
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    30Hz Bass Horns/K151, Custom mid bass & midrange horns/Cogent DS 1428 & 1448 field coil drivers, Fostex T925a tweeters.

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