Ok all you big amp brains...

brgman
brgman Posts: 2,859
edited September 2011 in 2 Channel Audio
If i take 2 Carver M1.0t amps and run them in Mono instead of stereo can i run with my 2.3TL's with the stock interconnect or if not how do i wire these up? thanks in advance for the help.
Main Rig-Realistic AM/FM Record player 8 track boasting 4 WPC

Backup Rig-2 CH-Rogue Audio Zeus w/Factory Special Dark Mods,Joule-Electra 300ME Platinum Preamp,OPPO-105 w/Modwright Tube Mod, Auralic Aries G2.1,Polk 2.3TL,3.1TL's,Dreadnought,RTA-15TL's,1C's All Fully Modded,2xRTA-12c's ,Benchmark DAC3 HGC,Synology NAS,VPI Scout w/Dynavector DV-20XH and Rogue Audio Ares Phono Preamp,Sony PCM-R500 DAT,HHB-850 Pro CDR,Tascam CC-222SLMKII Cassette/CDR,MIT S3.3 Shotgun Cables,Shunyata Hyra-8,Shunyata and Triode Labs Power Cords

I’M OFFENDED!!!!
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Comments

  • strider
    strider Posts: 2,568
    edited August 2011
    AFAIK, you'd need an AI-1 or similar isolation device for running anything monoblock with an SDA.
    Wristwatch--->Crisco
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  • Gavin.Wright
    Gavin.Wright Posts: 125
    edited August 2011
    I'll 2nd that. I would expect that since each amp is being run in bridged mode that neither speaker connection would be common to chassis ground so you wouldn't be able to tie the two amps grounds together.
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  • heiney9
    heiney9 Posts: 25,165
    edited August 2011
    brgman wrote: »
    If i take 2 Carver M1.0t amps and run them in Mono instead of stereo can i run with my 2.3TL's with the stock interconnect or if not how do i wire these up? thanks in advance for the help.

    Nope you need the AI-1 instead of the stock interconnect. Bridging stereo amps is overrated and may not work with SDA's because each amp will see half the normal load. So if the SDA's are 6 ohm nominal running a bridged stereo amp means the amp sees 3 ohms or less, typical amp might not like that.

    Why do you feel you need to run 2 stereo amps in mono?

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • treitz3
    treitz3 Posts: 19,033
    edited August 2011
    Even if you do run the 2 mono with the AI-1, the bass will get sloppier than if you just used one of the M1.0t's in stereo. Waste of time and money.
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • nooshinjohn
    nooshinjohn Posts: 25,419
    edited August 2011
    I may be very wrong on this, so do NOT attempt until someone with better experience chimes in, but I think you can use one amp to drive the highs and the other on the mid/bass. Doing it this way would perhaps also eliminate the need for the AI-1
    The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD

    “When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson
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  • treitz3
    treitz3 Posts: 19,033
    edited August 2011
    ...and lose the SDA? No thanks.
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • reeltrouble1
    reeltrouble1 Posts: 9,312
    edited August 2011
    I used some bridged NAD 2700 a while back with 1C's and the AI-1, it worked pretty good and I did enjoy the sound, I suppose it was a stepping stone to learning about larger powered amps while looking for a refined sound. NAD though incorporates a soft clip in their circuit as well as being able to deliver large amounts of dynamic power so I did not use the amplifiers you are considering.

    If you do it I would advise to take it easy and see how they sound. You can also bi-amp as suggested, we did this at one of the Carolina Fests with a pair of Anthem hybrid amps and sound was excellent, once those two amps went into the rig they stayed. If you bi-amp you must remove the jumper from the back of the speakers.

    RT1
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  • nooshinjohn
    nooshinjohn Posts: 25,419
    edited August 2011
    treitz3 wrote: »
    ...and lose the SDA? No thanks.
    How would you loose the SDA on a vertical bi-amp?
    The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD

    “When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson
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  • chandler9a
    chandler9a Posts: 878
    edited August 2011
    treitz3 wrote: »
    ...and lose the SDA? No thanks.

    I've done this with two NAD 218THX amps, one for the highs and one for the lows on my fathers 1.2TL's. Never had a problem with it...Sounds pretty good actually.

    This method may not be for everybody or every system but I suggest the OP try it and sees if he likes it.
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  • chandler9a
    chandler9a Posts: 878
    edited August 2011
    And a regular SDA cable was used with the bi-amp method
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  • george daniel
    george daniel Posts: 12,096
    edited August 2011
    chandler9a wrote: »
    And a regular SDA cable was used with the bi-amp method

    yes--as RT1 said,,just remove the jumpers on the speaker.
    JC approves....he told me so. (F-1 nut)
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  • Systems
    Systems Posts: 14,873
    edited August 2011
    heiney9 wrote: »
    Nope you need the AI-1 instead of the stock interconnect. Bridging stereo amps is overrated and may not work with SDA's because each amp will see half the normal load. So if the SDA's are 6 ohm nominal running a bridged stereo amp means the amp sees 3 ohms or less, typical amp might not like that.

    Why do you feel you need to run 2 stereo amps in mono?

    H9
    +1...great advice...this one is out of my experience..but i do believe heiney9 is right on about inputting the two amps..
    Testing
    Testing
    Testing
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  • brgman
    brgman Posts: 2,859
    edited August 2011
    ctank wrote: »
    +1...great advice...this one is out of my experience..but i do believe heiney9 is right on about inputting the two amps..

    Well i have 2 and was curious what you guys think of a setup like this and how it would/could work.
    Right now using one for highs and one for lows semms to be the only thing worth trying if i am reading this right.
    The ohm factor H9 brings up is one i never would have thought of.
    Thanks guys...
    Main Rig-Realistic AM/FM Record player 8 track boasting 4 WPC

    Backup Rig-2 CH-Rogue Audio Zeus w/Factory Special Dark Mods,Joule-Electra 300ME Platinum Preamp,OPPO-105 w/Modwright Tube Mod, Auralic Aries G2.1,Polk 2.3TL,3.1TL's,Dreadnought,RTA-15TL's,1C's All Fully Modded,2xRTA-12c's ,Benchmark DAC3 HGC,Synology NAS,VPI Scout w/Dynavector DV-20XH and Rogue Audio Ares Phono Preamp,Sony PCM-R500 DAT,HHB-850 Pro CDR,Tascam CC-222SLMKII Cassette/CDR,MIT S3.3 Shotgun Cables,Shunyata Hyra-8,Shunyata and Triode Labs Power Cords

    I’M OFFENDED!!!!
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  • heiney9
    heiney9 Posts: 25,165
    edited August 2011
    Also if you choose to vertical bi-amp make sure the output on both amps is the same. I assume (that gets me in trouble alot) your pre-amp has (2) outputs or a way to jerry-rig it is to use a Y-splitter. Vertical bi-amping is certainly worth experimenting with but I never really understood why people do it. Sell both amps and move up the chain if you aren't all that happy with a single 1.0T rather than mess around with bi-amping, but that's just my opinion.

    Good luck

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • chandler9a
    chandler9a Posts: 878
    edited August 2011
    heiney9 wrote: »
    Also if you choose to vertical bi-amp make sure the output on both amps is the same. I assume (that gets me in trouble alot) your pre-amp has (2) outputs or a way to jerry-rig it is to use a Y-splitter. Vertical bi-amping is certainly worth experimenting with but I never really understood why people do it. Sell both amps and move up the chain if you aren't all that happy with a single 1.0T rather than mess around with bi-amping, but that's just my opinion.

    Good luck

    H9

    This is a good point, while I'm not sure what I could get for Two NAD 218's, I could possibly sell them both to buy something better up the chain.

    something I have been pondering is a Parasound Halo A21. I have never heard it but like what Ive read so far.

    Any thoughts on this being a "step up" in the food chain compared to Biamping two NAD 218's?
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  • reeltrouble1
    reeltrouble1 Posts: 9,312
    edited August 2011
    not.

    RT1
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  • Goth child
    Goth child Posts: 38
    edited September 2011
    I run 2 Cambridge Audio 840w power amps with my 1.2tls.I run them bridged.Stereo they are 200wx2,bridged they are 500w each into 8ohms/800w into 4ohms.Its an affordable way to buy new and get that kind of power and quality.
    An A1 dreadnaught keeps my "girls"safe,whilst still retaining the sda.
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