Specifications

TOTAL HARMONIC DISTORTION
MONO. STEREO and HALL MODES
LEFT, CENTER and RIGHT FRONT channels, 0.002%
from 20Hz to 20kHz
HALL MODE
LEFT and RIGHT SURROUND channels, 0.1 % from
125Hz to 8kHz
DOLBY PRO-LOGIC and THX MODES
LEFT, CENTER and RIGHT FRONT channels, 0.1%
from 80Hz to 16kHz
LEFT and RIGHT SURROUND channels, 0.1 % from
125Hz to 8kHz
SENSITIVITY
Phono: 2.5mV for 2.5V output, (0.5mV IHF).
High Level: 250mV for 2.5V output (50mV IHF).
Dolby Level: 200mV input
SIGNAL TO NOISE RATIO. A-WEIGHTED
MONO STEREO and HALL MODES
LEFT, CENTER and RIGHT FRONT channels.
Phono: 90dB below 10mV input, (84dB IHF).
High Level: 100dB below rated output (95dB IHF).
DOLBY PRO-LOGIC and THX MODES
All outputs greater than 70dB below reference level.
MAXIMUM INPUT SIGNAL
Phono: 60mV
High Level: 5V Mono and Stereo, 2.1V HALL, DOLBY
PRO LOGIC and THX
INPUT IMPEDANCE
Phono: 47K ohm and 65pF capacitance.
High Level: 22K ohms
VOLTAGE GAIN
Phono to Tape: 40dB.
Phono to Main: 60dB.
High Level to Tape: 0dB.
High Level to Main: 20dB.
TONE CONTROLS
Bass and Treble variable 12dB boost to 12dB cut.
AC POWER OUTPUTS
1 Switched for accessories, 1 switched for AREA A
power amplifier and 1 switched for AREA B power
amplifier.
POWER REQUIREMENTS
120 Volts, 50/60Hz, 35 watts.
MECHANICAL INFORMATION
SIZE
Front panel measures 17-1/2 inches (44.4 cm) wide,
by 7-1/8 inches (17.9 cm) high. Depth behind front
panel is 17-1/2 inches (44.5 cm) including clearance
for connectors. Knob clearance required in front of the
mounting panel is 3/4 inches (1.9 cm).
FINISH
The front panel is all glass with gold/teal nomencla-
ture illumination. The chassis is black.
WEIGHT
30 pounds (13.6 kg) net, 42 pounds (19 kg) in
shipping carton.
FRONT PANEL CONTROLS
The glass front panel contains 7 single shaft rotary
controls and 1 dual shaft concentric control. At the
bottom of the glass there are 8 push buttons and an
ACCESS door for the CAMCORDER inputs and
HEADPHONE jack.
TONE CONTROLS
The TREBLE control can boost or cut the high
frequencies by as much as 12dB. It has 21 detent
positions. 10 for boost, 10 for cut and a center FLAT
or OFF position. It effects the LEFT FRONT, CENTER
and RIGHT FRONT channels.
The BASS control can boost or cut the low
frequencies by as much as 12dB. It has 21 detent
positions. 10 for boost, 10 for cut and a center FLAT
or OFF position. It effects the LEFT FRONT, CENTER,
RIGHT FRONT and SUBWOOFER channels.
When either the TREBLE or BASS control is placed
in the center FLAT or OFF position all tone control circuit
elements are removed from the signal path.
INPUT SELECTORS
Two input selector switches are provided. Each
switch has twelve positions. The RECORD switch
selects which program source is fed to the TAPE OUT
jacks and AREA B. The LISTEN switch selects the
C39 Product Preview/Page 4
MclNTOSH LABORATORY INC., 2 CHAMBERS STREET, BINGHAMTON, NEW YORK 13903