McIntosh-C-28-Instruction-Manual 电路图 维修手册.pdf

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1、If Youre in a Hurry C 28 SOLID STATE STEREO PREAMPLIFIER C- MODE SELECTOR For all stereo program material use the STEREO or STEREO REVERSE positions. All other posi- tions are designed to handle monophonic programs. D- VOLUME ON/OFF Turns the AC power to the C 28 on and adjusts loudness of sound to

2、suit your taste. E- BASS The low frequency program material is modified to suit your taste. F- PUSHBUTTONS TAPE 1: IN - Monitor the program being record- ed on TAPE recorder 1. OUT - Hear the program recorded on TAPE recorder 1. TAPE 2: IN - Monitor the program being record- ed on TAPE recorder 2 OU

3、T - Hear the program recorded on TAPE recorder 2 TAPE COPY: Interconnects TAPE 1 and TAPE 2 connectors ID permit making duplicates of recorded tape without interfering with the program being heard. LF: IN - Low frequencies are reduced to suppress unwanted noise. OUT Flat response, HF: IN - High freq

4、uencies are reduced to sup- press unwanted noise. OUT - Flat response. MAIN: (Speakers when properly connected in the back panel.) IN - MAIN speakers off, OUT - MAIN speakers on. MUST BE OUT FOR NORMAL LISTENING. REMOTE: IN - REMOTE speakers off. OUT - REMOTE speakers on, G- TREBLE The high frequenc

5、y program material is modified to suit your taste. DC B A EF G #038-600 A- BALANCE/COMP BALANCE: Adjust for unequal loudness of sound caused by room acoustics or program material. One speaker is made louder than the other. The BALANCE control is the outer knob. COMP: Three position switch that selec

6、ts from PRESence response shaped to emphasize the upper mid frequencies. FLAT: unmodified response. LOUDness: frequency response is adjusted as volume is reduced to compensate for hearing losses at low volumes. B- INPUT SELECTOR AUX: Connects any source (requiring flat ampli- fication) plugged into

7、AUX jacks on the back panel, to the high level input stages. TUNER: Connects the output of a tuner plugged into the TUNER jacks on the back panel, to the high level input stages. PHONO 1: Connects the output of a record play- er or turntable plugged into the PHONO 1 jacks on the back panel, to the l

8、ow level pre- amplifier stages. PHONO 2: Connects the output of a second rec- ord player or turntable plugged into the PHONO 2 jacks on the back panel, to the low level preamplifier stages. MIC: Connects the output of a microphone plugged into the MIC jacks on the back panel, to the low level preamplifier stages. TAPE HEAD: Connects the output of any tape head (a tape deck without its own electronics) plugged into the T. HEAD jacks on the back panel, to the low level preamplifier stages. RadioFans.CN 收音机爱 好者资料库