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Rsuppa302

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New to forum
« on: 26 Sep 2024, 04:37 pm »
Rob here looking for upgrades for a few sets of speakers I have, Jbl L100As,Pioneer CS88a, and Poineer cs a700 (also looking for driver replacements for these). Cant search the forum yet.
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FullRangeMan

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Re: New to forum
« Reply #1 on: 26 Sep 2024, 11:46 pm »
Quote from: Rsuppa302 on 26 Sep 2024, 04:37 pm
Rob here looking for upgrades for a few sets of speakers I have, Jbl L100As,Pioneer CS88a, and Poineer cs a700 (also looking for driver replacements for these). Cant search the forum yet.
Welcome to AC  :thumb:
They are damaged? What is the prob?
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ArthurDent

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Re: New to forum
« Reply #2 on: 27 Sep 2024, 02:42 am »
Greetings & Welcome to AC  Rob   :thumb:  3 posts and you'll be good to go.
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kd4ylq

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Re: New to forum
« Reply #3 on: 27 Sep 2024, 11:00 am »
Welcome to the Circle! good luck on your upgrade journey too!
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Phil A

Re: New to forum
« Reply #4 on: 27 Sep 2024, 02:34 pm »
Welcome!
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Rsuppa302

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Re: New to forum
« Reply #5 on: 28 Sep 2024, 03:35 pm »
Thanks all, the cs a700 were bought to use one of the drivers for one of the 88a's. the a700 drivers are not in the best condition but worked. So I need someone to fix my 88a driver (voice coil connection) and get two new drivers for the a700 and upgrade the crossover. The Jbl 100a need a tweeter and crossover upgrade. Hope this helps. I like the GR research deal for the 4311s not sure if it will work for the 100a's.
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FullRangeMan

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Re: New to forum
« Reply #6 on: 28 Sep 2024, 11:35 pm »
Quote from: Rsuppa302 on 28 Sep 2024, 03:35 pm
Thanks all, the cs a700 were bought to use one of the drivers for one of the 88a's. the a700 drivers are not in the best condition but worked. So I need someone to fix my 88a driver (voice coil connection) and get two new drivers for the a700 and upgrade the crossover. The Jbl 100a need a tweeter and crossover upgrade. Hope this helps. I like the GR research deal for the 4311s not sure if it will work for the 100a's.
You would check with Danny at GR Research Circle:
https://www.audiocircle.com/index.php?board=16.0

What are similar are the L100 Century (Alnico5 magnets).
https://audionostalgia.co.uk/jbl-l100-century-review/
And the L100A:
https://audio-database.com/JBL/speaker/l100a-e.html

Your 4311 are these ?
4311 Crossover: 1500, 6000Hz Sensitivity: 91dB 8Ω
https://www.hifiengine.com/manual_library/jbl/4311.shtml

L100A Alnico Crossover 1500 Hz, 6000 Hz Sensitivity: 91dB 8Ω.

L100 Classic will not fit to 4311.
Crossover 450 Hz, 3,5 kHz  4Ω
https://hificlub.com.br/loja/produto/jbl-l100-classic/
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