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duplex

  1. A

    Title: Altec 604-8H – What fabric/material is the dust bib (top spider) between cone and Mantaray horn?

    Hi everyone, I have a pair of Altec 604-8H Duplex drivers. One of them is missing the fabric ring that sits between the woofer cone and the base of the Mantaray horn — the piece sometimes called "dust bib" or "top spider". I know this part is not included in any recone kit (Speaker Exchange...
    • Alkaziner
    • Thread
    • altec altec 604 altec 604-8h coaxial duplex dust bib mantaray recone top spider woofer
    • Replies: 1
    • Forum: Speakers
  2. sean sweeney

    Looking for Altec 604b kit. And possibly cap.

    Oops I think I forgot to edit my title. But it's not entirely out of the question regardless. I was working at a church last night and installing a new Leslie for them that I rebuilt and I saw this rather generic looking speaker box over in the corner but it had a shape kind of familiar so I...
    • sean sweeney
    • Thread
    • 604b altec altec lansing 1940s coaxial duplex repair salvage
    • Replies: 6
    • Forum: Speakers
  3. gabfont

    Grandpa's Setup "restoration"

    After quite a while studying the audio world after my grandfather gave me his old setup, i feel that i have the minimal info required to try this project out. Yes, I know it would be easier and probably smarter to pay someone who does this for a living, but I havent found in my city someone with...
    • gabfont
    • Thread
    • 301 602 602b altec duplex garrard ge general electric tm2g vr22
    • Replies: 3
    • Forum: DIY
  4. detroithifi

    Klipsch Cornwall 1 or Altec 605a in 620 cabinets

    I have a nice pair of 605a duplex speakers, but I need to have cabinets made for them. And I have the chance to purchase a pair of 1977 klipsch Cornwall 1 ,For $2000 Cdn dollars. I am having a hard time deciding. Anyone have experience with both of these speakers ?
  5. gabfont

    Altec 602B - original horn?

    Hello!! i´m new here and full of doubts hahaha I was given some fine vintage set, wich belonged to my grandpa, who bought it in a trip to the US in his early army days. I´m from Brasil, this sort of gear was insanely expensive to buy here at the time. It consists in a Garrard 301 (oil bearing)...
    • gabfont
    • Thread
    • 602 602b altec duplex horn
    • Replies: 5
    • Forum: Speakers
  6. sean sweeney

    X-over schemo for 604(a) 20 ohm etc.

    I'm Sean, in St Louis (even if it says Michael, as I grew up with hundreds of them). I am a local tech and do all sorts of stuff here... but I'm currently reconing a single 604 (a), the later one with the grey crackle-coat and Yellowish/Blue-greyish label, with no (b), but looking pretty much...
    • sean sweeney
    • Thread
    • 40's 604a apartment cabinet plans crossover duplex horn ohmage split level sublet
    • Replies: 4
    • Forum: The Lansing Legacy
  7. lattiboy

    Altec 615B/A duplex?

    Hi everybody, I’m debating picking up a pair of these, there is practically no information about them online except for the original ad flyers. Some people say the 615 is the commercial version of the 605, others say the HF cutoff is 12K, so they’re worthless for HiFi. These are in...
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