The McIntosh Tuner-Preamplifier unit concept accommodates all regular inputs of tuner, phono, tape, etc. And allows the selection of the right power amplifier needed for your system. Special Features Multiple “selectivity” switchable from the front panel. An elegant solution to a tough problem. Linear Phase (constant delay) IF amplifier for low distortion at even high selectivity and low distortion. Steggered tuning condenser elements to improve RF front and behavior, less interstage coulping, lower spurious effect, higher Q circuits. Tremendous accomodiation of strong RF input signals – up to 10 volts without overload – overcoming an aggravating limitation of conventional tuners. Highest spurious rejection 90 dB (IHF) and highest image rejection 95 dB (88 to 108 MHz). This means you receive the stations at the right place on the dial only. You don’t receive the same stations or some mixture as you tune across the dial. Ultra Sonic “muting” provides smooth inter channel FM noise suppression. Has complete connection to McIntosh Maximum performance Indicator to maximize your listening pleasure. McIntosh developed a special detecting circuit used in the multiplex section. An advantage of this circuit is the elimination of the critical adjustments necessary with commonly used matrixing circuits. The circuit detects the L – R side-bands, then automatically matrixes the recovered information with the L + R carrier signal. This yialds the left and right program output with maximum separation. We obtained this from the original owner who kept it in outstanding shape. Condition report: great condition. Tested and produces sound. No further testing has been done. One or two small wood chips in walnut veneer case. At Mid Century Sacramento, we source, restore, and carefully curate iconic 20th century/mid century modern designs to time capsule condition. We view good furniture design as the same as functional art and our goal is to put that art into your hands. Our services include staging, restoration, and reupholstery services. Per request, we can make any changes or updates (such as upholstery or restorations) to your item at cost through professional contractors Feel free to contact me if you have any questions. Thank you for your interest in my item.

Tags: amfm, case, century, mcintosh, mx113, preamplifier, stereo, tuner, walnut, working