McIntosh C20 - Spezifikationen PDF herunterladen (Seite 5)

INPUT SELECTOR

PHONO 1

S M

TUNER

TAPE

AUX

PHONO 2

TAPE HD

L . . . left channel to left speaker, no program to

right speaker.

R . . . right channel to right speaker, no program

to left speaker.

M LEFT . . . left channel only to both speakers.

M RIGHT . .. right channel only to both speakers.

RECORD COMPENSATOR

This ten-position program switch connects the

C20 as follows:

AUX ... any auxiliary service, such as a television

set, an extra tuner, or any other program source

requiring flat amplification.

TAPE . . . any self-contained tape machine (tape

machine having its own playback preamplifier).

TUNER 1 & 2 ... AM and FM outputs from a

stereo tuner or a pair of stereo tuners.

PHONO 1 & 2 — S & M ... stereo or monophonic

operation with the following types of phono car-

tridges.

a. Constant amplitude cartridges such as crystal,

ceramic, or frequency-modulated devices.

b. Magnetic cartridges having an output of 10mv

or more. Maximum input voltage for this output

is 70mv.

c. Magnetic cartridges having an output of less

than 10mv.

TAPE HEAD—1 & 2 ... a tape deck or a pair of

tape decks that do not contain their own playback

preamplifiers. Two types of tape head outputs can

be used in this position.

a. Tape heads having an output of less than 10mv.

b. Tape heads having an output of 10mv or more.

Maximum input voltage for this output is 70mv.

MODE SELECTOR

REV

M RIGHT

RECORD COMPENSATOR

BASS TREBLE

400 RIAA -10 -12

These controls are used to correct for program

equalization introduced by the recording process.

Table 3 gives the recommended settings of the RECORD

COMPENSATOR controls of the C20 for monophonic

recordings.

BASS AND TREBLE

There are two tone controls on the C20—BASS

and TREBLE.

BASS . . . clockwise rotation increases bass loud-

ness; counterclockwise rotation decreases bass

loud ness.

TREBLE . . . clockwise rotation increases treble

loudness; counterclockwise rotation decreases

treble loudness.

PHASE

This six-position switch connects the C20 for

proper left-right distribution of sound for the program

source selected. Its positions are as follows:

REV . . . connects left channel to right speaker,

right channel to left speaker, corrects for left-

right reversal of program.

STEREO . . . this is the normal stereo MODE

SELECTOR position; left channel to left speaker,

right channel to right speaker.

This two-position switch reverses the phase in the

left channel to correct for speaker or program phasing.

300

TAPE TAPE

-5

RIAA

BASS

TREBLE

PHASE

0° 180°

M LEFT

L R

STEREO

- ° +

1 2 3 4 5 6 7 8 9 10 ... 19 20

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