McIntosh MA352 User Manual

13
30
125
500
2K 10K
BAL 1 15%
Press the Volume Control on the MA352 or press
the (Power ON) Push-button on the Remote Con-
trol to switch On the MA352. The MA352 will go
through a TUBE WARMUP cycle (15 seconds), with
the Audio Muted. The Tubes in the MA352 glow an
orange color and a brief startup initialization with the
Front Panel Information Display indicating “MA352,
TUBE WARMUP”. Refer to figure B.
When the tube warm up procedure has completed.
The illumination of the Tubes will now glow a green
color; this is followed by the last Input Source listened
to and the volume setting indication starting at zero
and then increasing to the last used volume setting.
Refer to figure C.
Switch Power On to the MA352 Tube Intergrated Amplifer
MA352 Switch Power On
LED Illumination Color:
Orange - Warmup Mode and Power Guard
Green - Normal Operation
Preamplifier Small Signal
Vacuu m Tube
Figure B
MA352
Tube Warmup
Figure A
Figure C
INPUT: BAL 1
15%

McIntosh MA352 Specifications

General

Total Harmonic Distortion	0.03%
Number of Channels	2
Speaker Impedance	4, 8 Ohms
Rated Power Band	20Hz to 20kHz
Headphone Output	Yes
Home Theater PassThru	Yes
Type	Integrated Amplifier
Input Impedance (Line)	20K ohms
Input Impedance (MM)	47K ohms, 50pF
Frequency Response	+0, -0.5dB from 20Hz to 20kHz
Signal to Noise Ratio	100dB
Preamplifier Inputs	1 Balanced
Variable Output	1
Phono Input	Moving Magnet
Vacuum Tube or Solid State	Hybrid (Vacuum Tube and Solid State)
Vacuum Tube Complement	2 x 12AX7A, 1 x 12AT7
Input Sensitivity	0.5V (Balanced)
Input Impedance	20K ohms Balanced, 20K ohms Unbalanced