mcintosh laboratory inc 2 chambers street binghamton new york ... 13903-2699 tel 607 723-3512 · us toll-free 800 538 ... -tuning from the front panel or remote control is accomplished without the need for ... music in other rooms a built-in second zone is controllable from the front panel or ... remote sensors/keypads expandable up to 26zones for larger installations front ... response l/c/r/ls/rs/lb/rb ±0.5db from 20hz to 20khz sub ±0.5db from 20hz 140hz ... harmonic distortion 0.005 maximum from 20hz to 20khz at rated output signal-to- ... below rated output rated output voltage 2.5v unbalanced outputs main 5.0v balanced ... output impedance 100 ohms unbalanced 200 ohms balanced input impedance phono 47k ... ohms 65pf high level 22k ohms unbalanced 1v balanced sensitivity ...