- MARK LEVINSON INSTRUCTION MANUAL PREAMPLIFIER JC-2

6. SPECIFICATIONS
Phono Section:
Gain* 1kHz 36dB
OVERLOAD POINT* 1kHz 100mv min.
*(see also Section 5)
MAXIMUM OUTPUT 18Hz to 20kHZ 6v min.
CHANNEL TRACKING 18Hz to 20kHz .5dB ( .2 typ.)
FREQUENCY RESPONSE -1.5dB down at 18Hz, 30kHz min.
NOISE 18Hz to 20kHz:
ASA "A" weighted
below 10mv, inputs shorted 85dB 90dB min.
below 10mv, 600ohms load 83dB 88dB
INPUT IMPEDANCE 47kOhms*
RECOMMENDED LOAD 10kOhms or higher
OPEN LOOP BANDWIDTH 1500Hz min.
SLEW RATE 20V/microsecond
NOISE (JC-1SM) below 1mv input better than 85dB
Line Section:
FREQUENCY RESPONSE Flat ±.2dB, 20Hz-50kHz, -1dB at 12Hz, 100kHz
MAXIMUM OUTPUT 10V
GAIN HIGH 21dB
LOW 11dB
NOISE below 2.5V 100dB min.
INPUT IMPEDANCE HIGH 10kOhms min.
LOW 30kOhms
RECOMMENDED LOAD 10kOhms or higher
OPEN LOOP BANDWIDTH 40kHz
SLEW RATE 100V/microsecond (min.)
POWER SUPPLY external ±15V at 300ma regulated and
filtered. Internal additinal active
filter for phono section.
CURRENT approx. ±250ma at ±15V
SIZE 19" X 2"X 6 1/8"
WEIGHT approx. 6lbs. with power supply