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Thread: Just picked up an adcom

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    Administrator CALIBER's Avatar
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    Default Just picked up an adcom


    So I just picked up an adcom gfa 535. So I picked it up off craigslist for $60 from a guy that had probably at least $200,000 worth of gear spread out through 3 different rooms. Any way this thing is in absolutely mint condition, I mean it is nice!!!! He was selling it for a friend that used it in an office for multi room speakers. Got home and hooked it up and all I can say is WOW!!! 2ch music has never sounded so good in my house. I just can't believe the impact this has made, the sound is better in every way. The highs are soooo much clearer and waaaay cleaner, the mid bass is way tighter punchier and deeper, the sound is just way more accurate. I plan on picking up two more of these for my center and surrounds. Here is a good review on it. LINK

    Here is a pick of the insideClick image for larger version. 

Name:	adcom.jpg 
Views:	21 
Size:	39.7 KB 
ID:	5208.

    And some specs.
    Description: Two-channel, solid-state amplifier. Output power: 60W into 8 ohms (17.8dBW). Input sensitivity: 970mV RMS. Input impedance: 100k ohms. Frequency response: 10Hz20kHz, 0.25dB. S/N ratio: 110dB. Power consumption: 300W.
    Dimensions: 3" H by 17" W by 11.25" D. Weight: 19.5 lbs.

  2. #2
    T'wasn't me! ckone180's Avatar
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    Default Re: Just picked up an adcom

    Nice find. Its one of the more reliable units, I've read. $60 is a steal!
    Something' amiss.

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    Halcyon Hi Resolution's Avatar
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    Default Re: Just picked up an adcom

    God Adcom is great stuff, I still have a amp somewhere.....I think it was made in Canada....bulletproof.
    "Be quick, be quiet, and be on time.
    Clarence "Kelly" Johnson

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    Administrator CALIBER's Avatar
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    Default Re: Just picked up an adcom

    Yeah that's what I keep hearing, now I know they aren't the greatest, but they are pretty damn good and you can scoop up used ones for a hell of good price. Also I have heard they are built like tanks and today I realized what everyone was talking about the build quality is pretty impressive. I have heard that adcom is great for ones first venture into seperates. I am shocked at the $60 price tag on this one now I just gotta find 1 or 2 more of them!!!

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    Default Re: Just picked up an adcom

    Nice addition!

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    R.I.P. Loves2Watch ev666il's Avatar
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    Default Re: Just picked up an adcom

    Congratulations on your purchase, and welcome to the Land of Separates!!

    EDIT: whoa, the new emoticons do suck! LOL

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    Super Moderator GOS's Avatar
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    Default Re: Just picked up an adcom

    There must be a thread somewhere...but this conversation is gonna drive me crazy. (Congrats by the way...)

    Soooo - you guys are telling me that this thing blows away all other receivers in terms of 2 channel? Why is that? Are all AVR's that drive all channels simply all inferior? I hope you are not telling me that. Anyway, I'd love to hear more about why this ADCOM, driving 2 channels is a revelation in sound compared to, say, my modest little Denon. And what you are then saying is that if you had seperates for all channels (ouch), the sound would be way, way better than a traditional AVR...
    Quote Originally Posted by caliberconst. View Post
    So I just picked up an adcom gfa 535. So I picked it up off craigslist for $60 from a guy that had probably at least $200,000 worth of gear spread out through 3 different rooms. Any way this thing is in absolutely mint condition, I mean it is nice!!!! He was selling it for a friend that used it in an office for multi room speakers. Got home and hooked it up and all I can say is WOW!!! 2ch music has never sounded so good in my house. I just can't believe the impact this has made, the sound is better in every way. The highs are soooo much clearer and waaaay cleaner, the mid bass is way tighter punchier and deeper, the sound is just way more accurate. I plan on picking up two more of these for my center and surrounds. Here is a good review on it. LINK

    Here is a pick of the insideClick image for larger version. 

Name:	adcom.jpg 
Views:	21 
Size:	39.7 KB 
ID:	5208.

    And some specs.
    Description: Two-channel, solid-state amplifier. Output power: 60W into 8 ohms (17.8dBW). Input sensitivity: 970mV RMS. Input impedance: 100k ohms. Frequency response: 10Hz20kHz, 0.25dB. S/N ratio: 110dB. Power consumption: 300W.
    Dimensions: 3" H by 17" W by 11.25" D. Weight: 19.5 lbs.
    Denon AVR-988 * Harmony ONE
    Klipsch RF-82 II front * RC3 center * RP3 surrounds * KEF HTS1001 rear
    Rythmik Audio DS1501 CI sub
    Oppo BDP-103
    Samsung LN46B550 LCD


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    Official HDJ Calibrator RayJr's Avatar
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    Default Re: Just picked up an adcom

    Very nice find.
    I do have to tell you that any good power amp will give you this same effect over a receiver.
    I had the same WOW effect when I added a power amp to my first Pioneer receiver....from that point on...I decided that separates were the way for me.
    Let the Pre/Pro do what it was designed to do...then send the signal to an amp that was designed to do only one thing...amplify the sound.
    When an Amp has a beefer power that it does not share...it has way current to do what it has to......like "highs are soooo much clearer and waaaay cleaner, the mid bass is way tighter punchier and deeper, the sound is just way more accurate".

    Just my $.02

    Later
    RayJr

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    HDJ Platinum Club Member gadgtfreek's Avatar
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    Default Re: Just picked up an adcom

    For someone that has a Denon 1911, like me, would adding an AMP to use with the Denon do anything?
    65" VT50 / BDP-S7200
    Denon AVR-4520CI
    Klipsch RF82 II and RC62 II / Hsu VTF-15H (2)
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    R.I.P. Loves2Watch ev666il's Avatar
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    Default Re: Just picked up an adcom

    Quote Originally Posted by elwaylite View Post
    For someone that has a Denon 1911, like me, would adding an AMP to use with the Denon do anything?
    I believe adding an amp would always be a huge benefit. Integrated AVRs are required to do many things at once, and can't therefore excel in any one of them. Besides, the amp part of AVRs is usually the most neglected, so adding an amp should enable your AVR to focus its resources on what it does best (sound processing) and let the amp power your speakers (with a lot more current than your AVR could ever dream to be capable of delivering).

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    Default Re: Just picked up an adcom

    So ....would you need 3 of these to power a 5.1 system? 1 for the fronts, 1 for the rears, 1 for the center?
    L2W you will be missed.

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    R.I.P. Loves2Watch ev666il's Avatar
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    Default Re: Just picked up an adcom

    Quote Originally Posted by mytime View Post
    So ....would you need 3 of these to power a 5.1 system?
    If you're referring to caliberconst.'s purchase, the answer is yes: being a two-channel amp, you'd need three of them. Many users go 3+2 when they want a two-channel amp for their fronts in a multi-channel setup.

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    Default Re: Just picked up an adcom

    evil - please post in my new thread regarding separates. It would be helpful....at least to me. Same with Caliber...go post man.
    Quote Originally Posted by ev666il View Post
    If you're referring to caliberconst.'s purchase, the answer is yes: being a two-channel amp, you'd need three of them. Many users go 3+2 when they want a two-channel amp for their fronts in a multi-channel setup.
    Denon AVR-988 * Harmony ONE
    Klipsch RF-82 II front * RC3 center * RP3 surrounds * KEF HTS1001 rear
    Rythmik Audio DS1501 CI sub
    Oppo BDP-103
    Samsung LN46B550 LCD


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    Dependent HD User spdntrxi's Avatar
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    Default Re: Just picked up an adcom

    I'm going be honest here.. if you have some low quality AVR a separate amp might get you something..especially if you listening habits go towards reference volume levels...otherwise not so fast

    My Denon A100 is not a low budget AVR and honestly at decently high volume levels I cannot tell the difference between the internal amps and the Krell Showcase that I used in the past and the Sunfire that I use now. My Sunfire is 400x7 and the Showcase was 125x7 (actually less watts then the Denon)
    Last edited by spdntrxi; 07-31-2011 at 02:30 PM.
    Samsung PN64D8000 and Sony Google TV's 24 & 40
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    Default Re: Just picked up an adcom

    Well, after looking at prices to go pre/pro + amp, they better sound good. Cheapest I can find is a Marantz amp around $1200 and a Marantz pre/pro around $1700. Thats way to steep for someone that is not a huge audio guy.
    65" VT50 / BDP-S7200
    Denon AVR-4520CI
    Klipsch RF82 II and RC62 II / Hsu VTF-15H (2)
    Directv HR44-200 / HR24-500

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    Dependent HD User spdntrxi's Avatar
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    Default Re: Just picked up an adcom

    The problem with pre/pro is that tend to lack some of the newest whiz/bang features that they lastest AVR's have... Sure I would love an Anthem prepro but for that kind of money it better be more then better sounding, but updated as well.
    Samsung PN64D8000 and Sony Google TV's 24 & 40
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    Denon A100 Powered by Sunfire TGA-7400
    Parasound Halo D3,PS3,Wii,LG580..
    MIT Shotgun S1.3 and CVT1 and Monoprice Cables

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    R.I.P. Loves2Watch ev666il's Avatar
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    Default Re: Just picked up an adcom

    Quote Originally Posted by spdntrxi View Post
    The problem with pre/pro is that tend to lack some of the newest whiz/bang features that they lastest AVR's have...
    Depends on your perspective. Lacking HDMI is actually a plus from where I'm standing My audio pre/pro is supposed to be just that: an audio pre/pro. I expect it to sound good. Not to upscale my video, process my signal, apply DSPs and whatnot. Just plain, old, good sound quality and nothing else: something that just can't come from HDMI, which is as far from sound quality as we are from Arcturus LOL

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    Default Re: Just picked up an adcom

    Quote Originally Posted by ev666il View Post
    Depends on your perspective. Lacking HDMI is actually a plus from where I'm standing My audio pre/pro is supposed to be just that: an audio pre/pro. I expect it to sound good. Not to upscale my video, process my signal, apply DSPs and whatnot. Just plain, old, good sound quality and nothing else: something that just can't come from HDMI, which is as far from sound quality as we are from Arcturus LOL
    I'm with you on HDMI...to me it's been an underachiever..I'm not covinced that the audio related codecs are that great..and the HUGE downside of handshake issues negates what little HDMI brings to the table..less cables...it's actually forced people to view their audio equipment in a different way...if you want to keep up with the arms race(HDMI versions) then it's not very wise to spend a lot on an AVR..as it will soon be outdated...which is another negative aspect of HDMI tech...

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    R.I.P. Loves2Watch ev666il's Avatar
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    Default Re: Just picked up an adcom

    Quote Originally Posted by speedking View Post
    if you want to keep up with the arms race(HDMI versions) then it's not very wise to spend a lot on an AVR..as it will soon be outdated...which is another negative aspect of HDMI tech...
    Definitely.

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    Administrator CALIBER's Avatar
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    Default Re: Just picked up an adcom


    Quote Originally Posted by elwaylite View Post
    Well, after looking at prices to go pre/pro + amp, they better sound good. Cheapest I can find is a Marantz amp around $1200 and a Marantz pre/pro around $1700. Thats way to steep for someone that is not a huge audio guy.
    Well you can use your avr as a processor and pick up a decent used 2-3 or maybe even a 5 channel amp for anywhere between $250-500 and make a huge impact on your sound. Like this LINK. Elway I would suggest if you are even remotely interested in adding an amp to improve sound to go ahead and buy one, you can always turn back around and sell it, like the one I linked above you wouldn't have trouble getting your money back out of it. I am telling you, you will enjoy it, and for $300 it is a huge improvement for the money.
    Last edited by CALIBER; 08-01-2011 at 01:19 AM.

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