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Thread: model 14's one speaker has lower output

  1. #1
    Junior Member
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    Jan 2015
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    phoenix
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    model 14's one speaker has lower output

    Hi guys! First post and first time altec owner. I recently got some altec lansing model 14's. I'm noticing that one speaker has less output than the other and there seems to be very low bass response. so i......

    checked connections
    checked for being out of phase ( the woofer was actually out of phase but when i switched it wasn't any louder )
    switched the speaker connections going into the speakers
    swapped the speakers to the other side ( still sounded lower in volume )
    i also switched my mono blocks to the other speaker ( still same volume)


    when i took out the crossover there was actually a note that appeared to be from a repair shop ( the altecs were reconed by the previous owner) that stated the the mf pot was damaged. i tested the pot and it was okay but the hf pot was actually dead. so i switched both pots with new ones but not any louder. but the hf control is working now.

    at this point i was going to recap them. is this the next step or should i be checking for something else? there is a protection circuit in the crossover. what it be stuck "on" and be the source of the problem? there is a push button to test for overload but neither speaker lights up when press. hope someone here has run across something similar. thanks guys!

  2. #2
    Junior Member
    Join Date
    Jan 2015
    Location
    phoenix
    Posts
    2
    i recapped the crossovers with some fast caps. still lower in volume. i then switched the woofer and horns out from the cabs. the cabinet that was lower before is still lower with the horn and woofer from the other cab. so i can rule out the woofer and horn being an issue.

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