HT bypass hook up of 2ch amp to HT - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 10 Old 05-22-2020, 02:49 PM - Thread Starter
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HT bypass hook up of 2ch amp to HT

Hi. Considering hooking up a MAC MA3500 to my HT so it will power my nice front speakers. Have any of you done this with Mac MA3500 or other amp/preamp or integrated amp. Does it work without problems? Thanks.
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post #2 of 10 Old 05-22-2020, 03:16 PM
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I have hooked up amps to preouts of avr. works fine.

Power: Marantz sr7008, NAD C 275Bee x 2, Video: Oppo 103, Samsung 75un6300 LG oled c9 77
Speakers: Focal aria 948, Focal cc900, Klipsch synergy KSF 10.5, Magnepan LRS, Audioengine A2+
Subs: Rythmik FV25HP, Rythmik FV15HP, Velodyne HGS 12, Velodyne VA1512
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post #3 of 10 Old 05-22-2020, 04:59 PM
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That's what I did before, I don't have faith on multi channel AVR or amplifiers, never even occur to me not to use a dedicated power amp for the front two channels. Even the center. I just used the AVR internal amps for the rear two speakers.

Own designed power amp, own designed preamp, JM LAB Focal Alto Utopia and Spectral 913.1 speakers, Rythmik F12SE sub.
Not hooked up: Nakamichi Stasis PA-7 power amp, Velodyne VA1210 sub, Kef Reference Series center, Kef Bookshelf speaker, Monitor Audio bookshelf speaker, Infinity rear speakers. Acurus 3X200W amp.
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post #4 of 10 Old 05-22-2020, 06:21 PM
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Quote:
Originally Posted by Dfndr View Post
Hi. Considering hooking up a MAC MA3500 to my HT so it will power my nice front speakers. Have any of you done this with Mac MA3500 or other amp/preamp or integrated amp. Does it work without problems? Thanks.
You are referring to one of McIntosh's current integrated amplifiers, the MA5300. Follow the setup instructions on page 19 of the user manual and you will be fine. Also see page 18 if you would like to spell out a custom name for the passthru input.

Music room: Cary SLI-80 tube integrated amplifier, McIntosh MA6500 integrated amplifier, Quad 99 preamp, Quad 909 power amp, Acoustic Research AR9 loudspeakers, Yamaha CD-N500 CD player, Teac UD-503 DSD DAC, Phase Linear 8000 II linear-tracking turntable.
Theater room: Panasonic 65S60 plasma television; Yamaha RX-A2020 (preamp section); Adcom GFA-5503 and GFA-5400 amplifiers; Polk LSi25, LSiC, and LSiF/X loudspeaker system; Velodyne FSR-18 servo-subwoofer.
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post #5 of 10 Old 05-22-2020, 09:57 PM
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Originally Posted by Dfndr View Post
Hi. Considering hooking up a MAC MA3500 to my HT.
What model is your HT? An AVR or Prepro?
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post #6 of 10 Old 05-22-2020, 10:13 PM - Thread Starter
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Avr
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post #7 of 10 Old 05-22-2020, 10:14 PM - Thread Starter
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Integra DTR 50.3
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post #8 of 10 Old 05-22-2020, 10:31 PM
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Yes, your unit has front preouts, L and R, which in theory could be fed into one of the line inputs on the Mac. I suspect in a carefully conducted blind test you wouldn't actually hear a difference but most people in this forum would probably disagree with me and encourage you to "trust your ears" even though science studies have shown expectation bias is known to greatly influence our perception.

Your unit has a fairly robust amp [8-ohm rated at 135 watts per channel] built in already so I doubt you'd notice any greater volume capability either, but at least you get to watch those really cool, power level meters on the Mac! I love those!
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post #9 of 10 Old 05-22-2020, 10:42 PM
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Originally Posted by Dfndr View Post
Integra DTR 50.3
You are using a very good MA3500, be careful whether the DTR has the quality to match your amp and speakers. When I had the HT, I used a Harmon Kardon AVR and take the front RCA pre-out to drive an external power amp for the front 3 channels. Later, I decided to go back to 2.1 but still using the Harmon Kardon for a while. Later I switch to another preamp and WOW, the sound improved!!! More transparency, sweeter.


The pre-amp do make a difference, the system is only as good as the weakest link in the chain. I have no idea which surround sound processor is good, so I won't even go there.

Own designed power amp, own designed preamp, JM LAB Focal Alto Utopia and Spectral 913.1 speakers, Rythmik F12SE sub.
Not hooked up: Nakamichi Stasis PA-7 power amp, Velodyne VA1210 sub, Kef Reference Series center, Kef Bookshelf speaker, Monitor Audio bookshelf speaker, Infinity rear speakers. Acurus 3X200W amp.
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post #10 of 10 Old 05-22-2020, 11:13 PM - Thread Starter
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Thank you all. This is getting interesting. It seems there is a dynamic tension between digesting the technical data verses the real bottom line—will the sonic result be real and how my ears will actually perceive the final product. I’m beginning to think there may be better avenues to follow.
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