The McIntosh
MC 3500 sets a new precedent in high power performance and flexibility.
Many years
of diligent research, space age product advances and careful examinations of new developments in component parts have
lead to the McIntosh MC 3500, a new Laboratory Standard.
The quality
performance that is demanded in the scientific laboratory is your for the highest performance in a home
music system.
McIntosh developed the first low distortion, high
quality, high powered amplifier in 1947. the secret then was the Unity Coupled
circuit and Bifilar Output Transformer.
The MC 3500
has made another new advance. Again transformer design has made the difference.
A new output transformer with 5 primary windings, interleaved with the
secondary to give you maximum output, lowest distortion, multiple output
impedance for any type type of sound distribution requirement. The new McIntosh
Pentafilar output transformer and Unity Coupled circuit means lowest
distortion, flat power response, long, trouble free cooler operation at high
power.
McIntosh has
produced the answer to the majority of sound problems. With the McIntosh MC
3500, your music system will produce music as never before. All the instruments
will be reproduced with clarity and accuracy. No more will you hear just a
barrage of sound. Now you will hear each instrument clearly and cleanly without
the cloudiness produced by the lack of power in the amplifier. The McIntosh MC
3500 is the ultimate in high power amplifiers.
Specifications
Power
Output: 350 RMS watts continuous
Harmonic
Distortion: 0,15% at 350 watts power
output from 20 Hz to 20 kHz. Typical performance is less than 0,1% at rated
power. Distortion decreases as output power is reduced.
Frequency
Response: 20 Hz - 20,000 Hz (+0 -0,1 dB
at rated output); 7 Hz - 70,000 Hz (+0 -3,0 dB at 1 watt)
Noise and
Hum: 95 dB below rated output
Output
Impedance and Voltage: 1 Ω/ 17,3 V; 4
Ω/35,8 V; 8 Ω/53 V; 16 Ω/75 V; 50 Ω/132V; 64 Ω/150 V. may be operated isolated
from ground. (1 Ω/17,3 V output is rated to 300 watts, and 4 Ω/35,8 V output is
rated to 320 watts)
The 75 Volt
output is used to power 70,7 V sound distribution lines. The 150 V output is
used to power 141,4 V distribution Lines. The 132 Volt output is used to
provide 117 V for laboratory or industrial applications.
Internal
Impedance: about 5% of rated load
Impedance. The 1 Ω/17,3 V output is rated about . 1 Ω
Input
Impedance: 200,000 Ω
Input
Sensitivity: 1,1 volts. Level control
provided for higher input voltages.
Power
Requirement: 117 volts AC 50/60 Hz, 400
watts at zero signal output: 900 watts
at rated output.
Solid State
Complement: 3 Silicon Transistors; 2
Silicon Zener Diodes; 3 Germanium Diodes; 9 Silicon Retifiers and Diodes
Tube
Complement: 2 x 12AX7; 2 x 6DJ8; 1 x
6CG7; 1 x 6BL7; 8 x 6LO6
General
Dimensions:
Front panel
: 10-1/2" (high), 19" (wide)
Chassis
: 17" behind panel including
connections
Knobs
project 2" in front of panel.
Finish:
Front panel
: Gold anodized aluminum and black
Chassis
: Chrome and black
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