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MCINTOSH C220

MCINTOSH C220

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C220
Vacuum Tube Preamplifier

The C220 Vacuum Tube Preamplifier possesses all the flexibility modern systems require while maintaining the highest-quality two-channel performance. All signal switching is done electromagnetically with switch contacts sealed inside glass cylinders filled with an inert gas. Locating these switches adjacent to the input/output jacks virtually eliminates crosstalk, and their sealed construction guarantees trouble-free operation.

The C220 allows for electronic, independent level adjustment for each of the eight source inputs via the front panel or remote control. Channel balance is electronically adjusted and stored in memory. A moving magnet phono stage incorporates time-proven 12AX7 Vacuum Tubes, for simplicity and superior performance. Low-distortion bass and treble controls, invaluable for older recordings, provide a wide range of tonal adjustment and may be bypassed when not needed.

C220 Tube Preamplifier Specifications

FREQUENCY RESPONSE

+0, -0.5dB from 20Hz to 20,000Hz

 

TOTAL HARMONIC DISTORTION

0.08% from 20Hz to 20,000Hz

 

MAIN OUTPUT

2.5V for rated input

 

MAXIMUM VOLTAGE OUTPUT

8V RMS Unbalanced, 16V RMS Balanced

 

SENSITIVITY (for rated output)

High Level: 450mV Unbalanced, 900mV Balanced

Phono: 4.5mV

 

SIGNAL-TO-NOISE RATIO (A-Rated)

High Level, 90dB below rated output

Phono: 80dB below 10mV input

 

INPUT IMPEDANCE

High Level: 22K ohms

Phono: 47K ohms; 65pF

 

MAXIMUM INPUT SIGNAL

High Level: 5V Unbalanced, 10V Balanced

Phono: 50mV (@1,000Hz)

 

OUTPUT IMPEDANCE

250 ohms

 

VOLTAGE GAIN

High Level to Tape Output: 0dB

High Level to Main Output: 15dB

Phono to Main Output: 55dB

 

HEADPHONE OUTPUT IMPEDANCE

16 ohms to 250 ohms

 

TUBE COMPLIMENT

Phono Circuitry: 2-12AX7A

High Level Circuitry: 2-12AX7A

 

POWER REQUIREMENTS

100 Volts, 50/60Hz at 75 Watts

110 Volts, 50/60Hz at 75 Watts

120 Volts, 50/60Hz at 75 Watts

220 Volts, 50/60Hz at 75 Watts

230 Volts, 50/60Hz at 75 Watts

240 Volts, 50/60Hz at 75 Watts

 

OVERALL DIMENSIONS (H x W x D including front panel, knobs and cables)

6” (15.24cm) x 17-1/2” (44.45cm) x 18” (45.72cm)

 

WEIGHT

21 lbs. (9.59Kg) net

37.5 lbs. (17.1Kg) in shipping carton

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MCINTOSH C220

MCINTOSH C220

Previo a válvulas con phono MM