I wouldn't worry abt it.
There are many who consider that a little crosstalk is a good thing for imaging. It's used commercialy in the Frankenstein enhancer, which was generally well reviewed.
Some of the best imaging I've come across was from an old Armstrong tube amp with clearly audible crosstalk.
There are many who consider that a little crosstalk is a good thing for imaging. It's used commercialy in the Frankenstein enhancer, which was generally well reviewed.
Some of the best imaging I've come across was from an old Armstrong tube amp with clearly audible crosstalk.
Listening rooms usually have only -1 dB or so crosstalk 
Anyway, most crosstalk found in power amps is usually due to poor PSRR [or poor layout and/os ground loops] and this is a more important issue [poor crosstalk usually comes together with poor PSRR at midrange or trebble, and I'm not talking about rejecting 100Hz buzz but about rejecting the ripple the own power amplifier circuit creates on its power supply rails and/or the voltage drops it creates on its own circuit tracks]
Anyway, most crosstalk found in power amps is usually due to poor PSRR [or poor layout and/os ground loops] and this is a more important issue [poor crosstalk usually comes together with poor PSRR at midrange or trebble, and I'm not talking about rejecting 100Hz buzz but about rejecting the ripple the own power amplifier circuit creates on its power supply rails and/or the voltage drops it creates on its own circuit tracks]
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