Not necessarily true it's a given because your preamp might handle line better than phono
Besides some people have separate preamplifier for phone and line
Besides, the interconnect is quite different on your tt to preamp versus cd tp preamp....power cords might be different too
Besides some people have separate preamplifier for phone and line
Besides, the interconnect is quite different on your tt to preamp versus cd tp preamp....power cords might be different too