McIntosh MA8000 User Manual

29
How to Operate the MA8000, con’t
Connection Diagram separate sheet “Mc2B”), press
the Front Panel OUTPUT 2 Push-button or press on
the Remote Control the 2nd Push-button followed by
pressing the OUTPUT 2 Push-button to switch On or
Off the external Power Amplifier.
Passthru
When the MA8000 is connected together with a Mc-
Intosh Multichannel A/V Control Center or Surround
Decoder and has the PASSTHRU Mode activated, it
will automatically switch On when the A/V Control
Center or Surround Decoder is switched On. It will
indicate on the Front Panel Display “PASSTHRU”.
Refer to figure 73.
The MA8000 OUTPUT 1 / OUTPUT 2 Front Panel
Push-buttons are active when in the Passthru Mode.
The other Front Panel Controls and Push-buttons are
deactivated as long as the Passthru Mode is active.
Equalizer Controls
The MA8000 Equalizer has eight Frequency Controls
which will raise or lower by 12dB, the amplitude of
the band of frequencies centered at the frequency
marked above the controls. The center frequencies
of these controls are at 25Hz, 50Hz, 100Hz, 200Hz,
400Hz, 1,000Hz, 2,500Hz and 10,000Hz. Both Left
and Right Channels are affected. At the center detent
or flat position of the controls, the tone circuit compo-
nents are removed from the signal path.
The illustration to the right shows the fundamental
frequency range of acoustical musical instruments and
the human voice. It also shows the range of adjustment
Figure 73
PASSTHRU
Fundamental Frequencies of Acoustical Musical Instruments and the Human Voice
SOPRANO
CONTRALTO
TENOR
BARITONE
BASS
PICCOLO
FLUTE
OBOE
ENGLISH HORN
B CLARINET
BASS CLARINET
ALTO SAXOPHONE IN B
BASSOON
CONTRABASSOON
B TRUMPET
FRENCH HORN IN F
TENOR TROMBONE
BASS TROMBONE IN F
TUBA
MEDIUM
SMALL
LARGE
HARP
GUITAR
VIOLIN
VIOLA
CELLO
BASS
PIANO
STRINGS
KETTLE DRUMS
BRASS
WOODWINDS
SINGING VOICE
50Hz
200Hz
1kHz
10kHz
25Hz
100Hz
400Hz
2.5kHz

McIntosh MA8000 Specifications

General

Power Output per Channel	300 Watts
Number of Channels	2
Total Harmonic Distortion	0.005%
Speaker Impedance	2, 4, or 8 Ohms
Dynamic Headroom	2.1dB
Damping Factor	>40
Preamplifier Output	Yes
Dual Mono	Yes
Tone Controls	Bass and Treble
Home Theater PassThru	Yes
Headphone Output	Yes
Digital Input Coaxial	2
Digital Input Optical	2
Digital Input USB	1
Digital Input MCT	1
Digital Input HDMI	No
Analog Outputs	2
Output Impedance	200 Ohms
Frequency Response	20Hz to 20kHz +0, -0.5dB
Input Impedance	20k ohms Balanced, 10k ohms Unbalanced
Digital Sample Rate	192kHz
Analog Inputs	1 Phono MC, 1 Phono MM