Schiit Tyr monoblocks common ground according to Schiit, anyone running these on the bigger SDA’s?

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Thinking about purchasing a pair of these Schiit Tyr’s. Emailed Schiit to see if they were common ground and according to them they are. Was wondering if anyone else was running these in their current system on 1.2’s, 2.3’s, 3.1’s. I myself have a pair of 2.3 TL‘s.
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  • xschop
    xschop Posts: 4,837
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    How do you pronounce that?
    Don't take experimental gene therapies from known eugenicists.
  • mthebull
    mthebull Posts: 41
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    Exactly like the💩
  • Emlyn
    Emlyn Posts: 4,430
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    A monoblock amplifier is a single channel amp in a single case. There is no common ground by design which is partly why people buy them.

    It takes two of the Tyr model for a stereo system.
  • mthebull
    mthebull Posts: 41
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    Yes I know what a monoblock is and that I would need two however, I don’t quite fully understand the whole common ground thing. I guess my question is then are there any mono blocks that could possibly be common ground so as that I wouldn’t need the dreadnaught. I specifically inquired about that when I emailed Shiit even telling them what type of speakers I had and the technician said they were common ground. Maybe he misunderstood me?
  • Gardenstater
    Gardenstater Posts: 4,281
    edited January 8
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    I think in this day and age we shouldn't expect competence, we should be surprised by it.

    I think I've heard that some monoblocks can be common grounded together but you have to get the ok from an engineer who really is familiar with their design and knows what he/she is talking about.
    George / NJ

    Polk 7B main speakers, std. mods+ (1979, orig owner)
    Martin Logan Dynamo sub w/6ft 14awg Power Cord
    Onkyo A-8017 integrated
    Logitech Squeezebox Touch Streamer w/EDO applet
    iFi nano iDSD DAC
    iPurifier3
    iDefender w/ iPower PS
    Custom Steve Wilson 1m UPOCC Interconnect
    iFi Mercury 0.5m OFHC continuous cast copper USB cable
    Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
    Custom Vibration Isolation Speaker Stands and Sub Platform
  • mthebull
    mthebull Posts: 41
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    Are you saying I’m incompetent?
  • Gardenstater
    Gardenstater Posts: 4,281
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    mthebull wrote: »
    Are you saying I’m incompetent?

    No sorry I didn't mean you, I meant the technician that "helped" you.
    George / NJ

    Polk 7B main speakers, std. mods+ (1979, orig owner)
    Martin Logan Dynamo sub w/6ft 14awg Power Cord
    Onkyo A-8017 integrated
    Logitech Squeezebox Touch Streamer w/EDO applet
    iFi nano iDSD DAC
    iPurifier3
    iDefender w/ iPower PS
    Custom Steve Wilson 1m UPOCC Interconnect
    iFi Mercury 0.5m OFHC continuous cast copper USB cable
    Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
    Custom Vibration Isolation Speaker Stands and Sub Platform
  • F1nut
    F1nut Posts: 50,086
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    Mono block amps by the very nature of being two entirely separate amplifiers cannot have a common ground.

    As noted, some mono blocks can be strapped together at the negative binding posts creating a common ground situation, but only after consulting the manufacturer to check if that is ok to do.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."


    President of Club Polk

  • audioluvr
    audioluvr Posts: 5,492
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    Where's @lightman1 to clarify this??? IMHO monoblocks being of identical architecture, plugged into the same circuit and having a signal received by a common ground preamp should have a common ground output.

    Well at least mine do.
    Gustard X26 Pro DAC
    Belles 21A Pre modded with Mundorf Supreme caps
    B&K M200 Sonata monoblocks refreshed and upgraded
    Polk SDA 1C's modded / 1000Va Dreadnaught
    Wireworld Silver Eclipse IC's and speaker cables
    Harman Kardon T65C w/Grado Gold. (Don't laugh. It sounds great!)


    There is about a 5% genetic difference between apes and men …but that difference is the difference between throwing your own poo when you are annoyed …and Einstein, Shakespeare and Miss January. by Dr. Sardonicus
  • Astrl55
    Astrl55 Posts: 62
    edited January 9
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  • HzTweaker
    HzTweaker Posts: 758
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    audioluvr wrote: »
    Where's @lightman1 to clarify this??? IMHO monoblocks being of identical architecture, plugged into the same circuit and having a signal received by a common ground preamp should have a common ground output.

    Well at least mine do.

    I was just wondering if both mono amps were pugged into the same outlet that would be enough to make them common ground??(discloser I have no experience with monoblocks)
    2ch rig: Speakers: Magnepan LRS w/Magna Riser stands Preamplifier: Parasound P5 Amplifier: Parasound A23 CDP: Pioneer DV-563A Cables: Wireworld Equinox 7 XLR ICs, Wireworld Ultraviolet 7 USB, AudioQuest Q2s, AudioQuest NRG X(preamp)

    Shelfed: LSi9s with VR3's Fortress mods
  • Gardenstater
    Gardenstater Posts: 4,281
    edited January 9
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    I think we are confusing the power supply ground with the signal ground. Are they always the same? Seems to me that some have resistors between neg. binding post and the chassis. I'm out of my league with electronics.

    https://forum.polkaudio.com/discussion/185424/sdas-and-common-ground-amps
    George / NJ

    Polk 7B main speakers, std. mods+ (1979, orig owner)
    Martin Logan Dynamo sub w/6ft 14awg Power Cord
    Onkyo A-8017 integrated
    Logitech Squeezebox Touch Streamer w/EDO applet
    iFi nano iDSD DAC
    iPurifier3
    iDefender w/ iPower PS
    Custom Steve Wilson 1m UPOCC Interconnect
    iFi Mercury 0.5m OFHC continuous cast copper USB cable
    Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
    Custom Vibration Isolation Speaker Stands and Sub Platform
  • mhardy6647
    mhardy6647 Posts: 33,355
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    Signal ground is not necessarily the same as the P/S ground.
    Ground loops. They're a thing.
    https://www.analogictips.com/faq-ground-rules-earth-chassis-signal-ground-faq/
  • Gardenstater
    Gardenstater Posts: 4,281
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    The manual says the Schitt Tyr is a differential amplifier which means both terminals are hot. Seems like there's no way it could be common ground, even if you used balanced XLR inputs from a common ground preamplifier. https://www.schiit.com/public/upload/PDF/tyr manual 1_1.pdf
    George / NJ

    Polk 7B main speakers, std. mods+ (1979, orig owner)
    Martin Logan Dynamo sub w/6ft 14awg Power Cord
    Onkyo A-8017 integrated
    Logitech Squeezebox Touch Streamer w/EDO applet
    iFi nano iDSD DAC
    iPurifier3
    iDefender w/ iPower PS
    Custom Steve Wilson 1m UPOCC Interconnect
    iFi Mercury 0.5m OFHC continuous cast copper USB cable
    Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
    Custom Vibration Isolation Speaker Stands and Sub Platform
  • invalid
    invalid Posts: 1,325
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    These amplifiers are not common ground, do to the fact they are differential balanced and monoblocks.
  • mthebull
    mthebull Posts: 41
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    I appreciate everyone’s knowledge
  • audioluvr
    audioluvr Posts: 5,492
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    Put an ohm meter to the grounds to verify.
    invalid wrote: »
    These amplifiers are not common ground, do to the fact they are differential balanced and monoblocks.
    There's no such thing as a differentially balanced monoblock.

    Gustard X26 Pro DAC
    Belles 21A Pre modded with Mundorf Supreme caps
    B&K M200 Sonata monoblocks refreshed and upgraded
    Polk SDA 1C's modded / 1000Va Dreadnaught
    Wireworld Silver Eclipse IC's and speaker cables
    Harman Kardon T65C w/Grado Gold. (Don't laugh. It sounds great!)


    There is about a 5% genetic difference between apes and men …but that difference is the difference between throwing your own poo when you are annoyed …and Einstein, Shakespeare and Miss January. by Dr. Sardonicus
  • invalid
    invalid Posts: 1,325
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    audioluvr wrote: »
    Put an ohm meter to the grounds to verify.
    invalid wrote: »
    These amplifiers are not common ground, do to the fact they are differential balanced and monoblocks.
    There's no such thing as a differentially balanced monoblock.

    You are incorrect
  • Schurkey
    Schurkey Posts: 2,100
    edited January 10
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    audioluvr wrote: »
    IMHO monoblocks being of identical architecture, plugged into the same circuit and having a signal received by a common ground preamp should have a common ground output.

    Well at least mine do.
    Yours, apparently, are not balanced/bridged. Same with the old Adcom '565 monoblocks. Cram a jumper wire into the negative terminals of the two chassis, good-to-go. There are additional examples. Get it wrong, with amps that don't have the negative terminals tied into chassis ground, and you'll let the smoke out with the jumper wire.
    audioluvr wrote: »
    Put an ohm meter to the grounds to verify.
    invalid wrote: »
    These amplifiers are not common ground, do to the fact they are differential balanced and monoblocks.
    There's no such thing as a differentially balanced monoblock.
    Of course there is. I own a pair. There are many brands/models of monoblock (single-channel per chassis) amps that are of the bridged/balanced design. Some are...some aren't.

  • audioluvr
    audioluvr Posts: 5,492
    edited January 10
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    How do you bridge a true monoblock??? I think everyone is getting confused and using the term "balanced differential" loosely. I'm not talking about a stereo amp that's designed to be run as a mono. That's not a true monoblock. Sorry. Nice try.
    Gustard X26 Pro DAC
    Belles 21A Pre modded with Mundorf Supreme caps
    B&K M200 Sonata monoblocks refreshed and upgraded
    Polk SDA 1C's modded / 1000Va Dreadnaught
    Wireworld Silver Eclipse IC's and speaker cables
    Harman Kardon T65C w/Grado Gold. (Don't laugh. It sounds great!)


    There is about a 5% genetic difference between apes and men …but that difference is the difference between throwing your own poo when you are annoyed …and Einstein, Shakespeare and Miss January. by Dr. Sardonicus
  • lightman1
    lightman1 Posts: 10,779
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    audioluvr wrote: »
    Where's @lightman1 to clarify this??? IMHO monoblocks being of identical architecture, plugged into the same circuit and having a signal received by a common ground preamp should have a common ground output.

    Well at least mine do.

    Not necessarily. "Ground" isolation happens after the power supply in most cases. "Grounding" is what you're thinking of. Terminology is a twisted thing.

  • Viking64
    Viking64 Posts: 6,841
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    lightman1 wrote: »
    Not necessarily. "Ground" isolation happens after the power supply in most cases. "Grounding" is what you're thinking of. Terminology is a twisted thing.

    Are you saying I’m incontinent?
  • invalid
    invalid Posts: 1,325
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    audioluvr wrote: »
    How do you bridge a true monoblock??? I think everyone is getting confused and using the term "balanced differential" loosely. I'm not talking about a stereo amp that's designed to be run as a mono. That's not a true monoblock. Sorry. Nice try.

    There are all kinds of examples of differential monoblocks pass Labs Dan D'Agostino even the one this thread is about.
  • Schurkey
    Schurkey Posts: 2,100
    edited January 10
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    audioluvr wrote: »
    How do you bridge a true monoblock??? I think everyone is getting confused and using the term "balanced differential" loosely. I'm not talking about a stereo amp that's designed to be run as a mono. That's not a true monoblock. Sorry. Nice try.
    A "stereo" amplifier designed to be run as a "mono" isn't a "stereo" amplifier.

    A single amplifier chassis with two amplifiers inside, using essentially the same signal but with one running inverted-polarity from the other by design, intended for single-channel use via output terminals where neither one is referenced to chassis ground (directly or through a resistor) isn't a monoblock amp?

    You need to contact the FTC to complain. Heaps of companies are selling just that, advertised as monoblock or similar terminology.
  • audioluvr
    audioluvr Posts: 5,492
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    Schurkey wrote: »
    A single amplifier chassis with two amplifiers inside, using essentially the same signal but with one running inverted-polarity from the other by design, intended for single-channel use via output terminals where neither one is referenced to chassis ground (directly or through a resistor) isn't a true monoblock amp?

    Nope.
    Gustard X26 Pro DAC
    Belles 21A Pre modded with Mundorf Supreme caps
    B&K M200 Sonata monoblocks refreshed and upgraded
    Polk SDA 1C's modded / 1000Va Dreadnaught
    Wireworld Silver Eclipse IC's and speaker cables
    Harman Kardon T65C w/Grado Gold. (Don't laugh. It sounds great!)


    There is about a 5% genetic difference between apes and men …but that difference is the difference between throwing your own poo when you are annoyed …and Einstein, Shakespeare and Miss January. by Dr. Sardonicus
  • Schurkey
    Schurkey Posts: 2,100
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    A bunch of manufacturers and I disagree with you. But we'll all live happily ever after even so.
  • treitz3
    treitz3 Posts: 18,657
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    Well, Schiit.

    Tom
    ~ 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. ~
  • skipshot12
    skipshot12 Posts: 1,074
    edited January 12
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    May be the same reason I haven’t bi-amped vertically with my sda srs blade/blades, yet?

    Hook ‘em up and let me know if you hear beautiful music or if you created a mosquito fogger……

  • invalid
    invalid Posts: 1,325
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    audioluvr wrote: »
    How do you bridge a true monoblock??? I think everyone is getting confused and using the term "balanced differential" loosely. I'm not talking about a stereo amp that's designed to be run as a mono. That's not a true monoblock. Sorry. Nice try.

    A differential balanced amp doesn't have to be bridged to be differential balanced, that's the cheap way to do it.