To strap or not to strap

Andohaspolk
Andohaspolk Posts: 18
in Vintage Speakers
Hello polkies! My question is will my 3.1tl’s benefit if I strap my audiosource amp? Or will it not make a difference since the amp is common ground already?
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  • nooshinjohn
    nooshinjohn Posts: 25,413
    Do not worry about tying the grounds together. It will not make a difference and may damage the amp or speakers.
    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

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  • Schurkey
    Schurkey Posts: 2,101
    Andohaspolk wrote: »
    Hello polkies! My question is will my 3.1tl’s benefit if I strap my audiosource amp? Or will it not make a difference since the amp is common ground already?
    If you improve the ground connection, for example from 3 ohms to 0.1 ohm, you would have a performance improvement for the SDA circuit. Probably audible, although I've never tested to see how much resistance is acceptable. I know that 20 ohms made my 1Bs unlistenable--but I don't know about 3 ohms, or one ohm.
    nooshinjohn wrote: »
    Do not worry about tying the grounds together. It will not make a difference and may damage the amp or speakers.
    If it's a common-ground amp or semi-common ground, there's no downside. Even non-bridged/balanced monoblocs can be tied together (Adcom 565 monoblocs, for example.)

    If it's a bridged/balanced amp, yeah--bad things will happen.
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  • Viking64
    Viking64 Posts: 7,058
    Elvis says not to strap.

    https://www.youtube.com/watch?v=XI_DaBGjQNA
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  • F1nut
    F1nut Posts: 50,544
    Strapping grounds raises the noise floor. Since your amp is already common ground there is no reason or benefit from strapping.
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