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Thread: Adcom with JBL

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    Senior Member 4345's Avatar
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    Adcom with JBL

    Anybody using Adcom in their system. I just replaced my Crown K2 with an Adcom GFA545 mark 2. It sounds nice! Using the JBL L-65's. The L-36's are not being used.
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    Senior Member 1audiohack's Avatar
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    Adcom 585 driving 1400 Arrays. Great bedroom system.

    Barry.
    If we knew what the hell we were doing, we wouldn't call it research would we.

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    Administrator Mr. Widget's Avatar
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    Quote Originally Posted by 1audiohack View Post
    Adcom 585 driving 1400 Arrays. Great bedroom system.

    Barry.
    You're spoiled.


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    Senior Member 1audiohack's Avatar
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    Quote Originally Posted by Mr. Widget View Post
    You're spoiled.


    Widget
    You helped!

    Barry.
    If we knew what the hell we were doing, we wouldn't call it research would we.

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    Senior Member DanMan's Avatar
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    Yes, I swapped out my Yamaha RX-V3000 (100 wpc) with an Adcom GFA-5500 (200 wpc) on a pair of L250's. I thought the sound is somewhat similar up to about 100wpc (the Adcom being a little cleaner sounding throughout) but it's that extra 100 wpc where the QUALITY of the sound coming out of the Adcom just crushes the Yamaha. It's not just cleaner sound but has WAY more authority over the clarity of the Yamaha. Kudos!

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    Senior Member BMWCCA's Avatar
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    I use an Adcom ACE-515 Power Enhancer and sequencer to power-up my bi-amped 4345/Crown system.

    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

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    After listening to my systems for 10+ years, my sons best buddy asked for advise on a starter system. After about a month we found a pair of very near mint L5's and then a 60 WPC Adcom with matching pre-amp tuner, $450 for all. He is shocked how it blows away his mom's $1000+ Bose cubelular deal!

  8. #8
    Administrator Mr. Widget's Avatar
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    Quote Originally Posted by Triumph Don View Post
    He is shocked how it blows away his mom's $1000+ Bose cubelular deal!
    That is low hanging fruit. You could spend far more than $1000 on "reputable" brands and come out worse than his system.


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    Senior Member DanMan's Avatar
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    Ah, I'm also using an Adcom GSF-4 (pair) speaker selector on my trusty ole Yamaha R9 (3 pair speaker) receiver. The R9 now powers an L250 and L1 on A+B and the C goes to the Adcom speaker selector which powers an L20T, L15, J216, and D38 in separate rooms.

    Love the Adcom products, very reliable; however, their buttons are a little on the rambunctious side.

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    Senior Member quindecima's Avatar
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    I'm using a GFA555ii , one of a pair on my L100's soon to be regulated to my 4345 clones thru a 515, 565 and 700.
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    How are those clones coming along?

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    Senior Member quindecima's Avatar
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    I'm going to receive the networks on Monday, at least that's what the tracking number says and it will probably take me a couple of days to get them set up to play.

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    Senior Member SEAWOLF97's Avatar
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    I'm running a GFA-555 (mk1- the amp supposedly with Nelson Pass's hand in the design) and a GTP-500 mk2 preamp with my a/d/s L-1290's to good result.

    This setup has also been used with the 250Ti's and had no complaints.

    The only weirdness is the "fairy fart" the amp makes at power off, emptying the caps.
    “If you think that’s the dumbest thing you’ve ever heard,
    just wait a couple minutes!”

  14. #14
    Senior Member Odd's Avatar
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    Quote Originally Posted by BMWCCA View Post
    I use an Adcom ACE-515 Power Enhancer and sequencer to power-up my bi-amped 4345/Crown system.

    I also use Adcom ACE-515 Power Enhancer.
    It was not so easy to rebuild it for 230V use as I thought.
    But it works fine now.
    43XX (2235-2123-2450-2405-CC 3155)5235-4412-4406-4401-L250-18Ti-L40-S109 Aquarius lV-C38 (030)

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    Senior Member quindecima's Avatar
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    Quote Originally Posted by SEAWOLF97 View Post
    I'm running a GFA-555 (mk1- the amp supposedly with Nelson Pass's hand in the design) and a GTP-500 mk2 preamp with my a/d/s L-1290's to good result.

    This setup has also been used with the 250Ti's and had no complaints.

    The only weirdness is the "fairy fart" the amp makes at power off, emptying the caps.
    If you upgrade the 4 resistors on the caps with 4.7ohm and 5W and bypass the AC side of the Bridge rectifier that will go away. It's a simple change.

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