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Older crossover type


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I recently bought a pair of older Khorns. The serial number cannot be made out. The midrange horn looks like it was made by Klipsch and the tweeter looks like an EV. They look horrible but sound great; I am going to refinish them with mahoganyand new grilles. Anyway, the older crossover is labeled as "Type 1RD" (it is called a balancing network) Are there any worthwile mods anyone is aware of to these models? Also, is there any benefit to relocate the horns flush with the baffle instead of rear-mounted? Thanks.

P.S. This is my first post to this forum!!!

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Look in the edge plys of the bass horn, near the crossover, for the SN stamped in the wood. This will help with the date, but I'm predicting late 40s/early 50s. For that reason, DO NOT TOUCH THOSE CROSSOVERS! We are all willing to help you design/build another set, but don't mod those. Clean them and put them behind glass.

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The horns are some type of metal, perhaps cast. Thanks.

On second inspection, I would say they are cast. The Klipsch name and emblem are on the top of the horn, raised up off the outer plane of the horn.

The bass horns both have original labels but the serial numbers are not legible. I cannot detect any type of stamped serial number on the bass enclosure (plywood).

I have already relocated the horizontally mounted tweeter to a vertical location adjacent to the mid horn.

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