User manual MCINTOSH C29 BROCHURE

[. . . ] A current sensing relay connected to the turntable AC power outlets is controlled by the turntable power switch. The relay, in turn, controls the AC power to the remainder of the system. STEPPED TONE CONTROLS INDEPENDENT IN EACH CHANNEL Ideal volume control tracking accuracy and noise free performance are two of the considerable benefits of the McIntosh Precision Step Attenuator. It is a thirty-two step, 70 dB range control with unheard of tracking accuracy within 1 dB. [. . . ] While natural balance is at the center of the control; adjustment to either right or left compensates for program variations or room acoustic differences. 10. LISTEN TO YOUR QUIET RECORDS, QUIETLY Tape input, tape output and switching facilities are provided for two three-head tape recorders. Simply push a button to listen to either one - - or record from any selected source on either or both - - or - - copy from one tape recorder to another while listening to an entirely different program. STEREO MICROPHONE INPUT MAKES RECORDING EASY Any unwanted noise (hiss, rumble, fry, etc. ) can be reduced with the filter switch. It allows the reduction of low frequency noise and high frequency noises (below 50 Hz and above 7 kHz). 11. CONTROL REMOTE LOUDSPEAKERS FROM YOUR PREAMPLIFIER Microphones in stereo may be used with the C 29. By tuning the input selector to MIC the Through a unique McIntosh design, you have ON/OFF control of two separate sets of stereo speakers when used with an accessory switching relay (the McIntosh SCR 2). C 29 PERFORMANCE LIMITS PERFORMANCE LIMITS Performance limits are the maximum deviation from perfection permitted for a McIntosh instrument. We promise you that when you purchase a new C 29 from a McIntosh Franchised dealer it will be capable of performance at or exceeding these limits or you can return the unit and get your money back. BALANCE CONTROL Natural balance at center position, attenuation of left or right channel by rotating control PRECISE TRACKING VOLUME CONTROL A precision step volume control with left to right tracking accuracy within 1 dB through its entire range. SIX SOURCE INPUT SELECTOR Auxiliary 1 and 2, TUNER, PHono 1 and 2, MICrophone MODE SELECTOR Seven positions: Left channel only to both speakers, Right channel only to both speakers, Stereo Reverse, Stereo, Mono, L + R to left speaker only, and L + R to right speaker only TAPE MONITOR SWITCHES Two pushbutton switches. Either of two tape recorders can be monitored by selecting the TAPE 1 pushbutton or TAPE 2 pushbutton. They are mechanically interlocked to accept only one pushbutton at the IN position at one time. Either of two tape recorders can be connected to copy from tape recorder 1 to tape recorder 2 or vice versa. They are mechanically interlocked to accept only one pushbutton at the IN position at one time. LF - HF FILTERS Reduce unwanted high frequency noise (above 7 kHz) and low frequency rumble etc. (below 50 Hz) at 12 dB per octave rate. PERFORMANCE FREQUENCY RESPONSE + 0 - 0. 5 dB 20 Hz to 20, 000 Hz DISTORTION . 02% maximum at rated output level, 20 Hz to 20, 000 Hz INPUT SENSITIVITY AND IMPEDANCE Auxiliary, TUNER, TAPE 1, TAPE 2, 0. 25 volts at 100, 000 ohms; PHono 1 and PHono 2, 2 millivolts (1, 000 Hz) at 47, 000 ohms and 65 pF; Microphone, 2. 5 millivolts at 10, 000 ohms HUM AND NOISE Auxiliary, TUNER, TAPE 1, TAPE 2, IHFA 100 dB, unweighted 90 dB below rated output; PHono 1, PHono 2 IHFA 90 dB, unweighted 80 dB below 10 millivolts input, equivalent to less than 1. 0 microvolt at the input terminals; Microphone, 1. 5 microvolts at the input terminals. [. . . ] MECHANICAL INFORMATION SIZE Front Panel measures 16 inches wide (40. 6 cm) by 5 7/16 inches high (13. 8 cm). Chassis measures 14 3/4 inches wide (37. 5 cm) by 4 13/16 inches high (12. 2 cm) by 13 inches deep (33. 0 cm), including PANLOC shelf and back panel connectors. Knob clearance required is 1 1/4 inches (3. 2 cm) in front of the mounting panel. [. . . ]