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Frequency Response
+0, -0.5dB from 10Hz to 40,000Hz
Total Harmonic Distortion
0.002% maximum from 20Hz to 20,000Hz
Signal To Noise Ratio
High Level, 100dB
Phono, 88dB
Maximum Voltage Output
12V RMS Unbalanced (Spkr1 and Spkr2 Outputs)
25V RMS Balanced (Main, Spkr1 and Spkr2 Outputs)
Output Impedance
220 ohms (Unbalanced and Balanced Outputs)
Sensitivity
High Level, 450mV for 2.5V rated output
Phono MM, 4.5mV for 2.5V rated output
Phono MC, 0.45mV for 2.5V rated output
Input Impedance
High Level: 22K ohms
Phono:
MM, 47K ohms; 50 to 750pF, in 50pF steps
MC: 25, 50, 100, 200, 500 or 1,000 ohms; 100pF
Maximum Input Signal
High Level:
5V Unbalanced
10V Balanced
Phono:
MM, 50mV
MC, 5mV
Voltage Gain
High Level Input to Record Output: 0dB
High Level Input to Main Output: 15dB
Phono (Moving Magnet) to Record Output: 40dB
Phono (Moving Coil) to Record Output: 60dB
Specifications C500 Preamplifier Specifications C500 Tube Preamplifier
Specifications C500 Preamplifier and C500 Tube Preamplifier
Frequency Response
+0, -0.5dB from 10Hz to 20,000Hz
Total Harmonic Distortion
0.05% maximum from 20Hz to 20,000Hz
Signal To Noise Ratio
High Level, 93dB
Phono, 80dB
Maximum Voltage Output
10V RMS Unbalanced (Spkr1 and Spkr2 Outputs)
20V RMS Balanced (Main, Spkr1 and Spkr2 Outputs)
Output Impedance
220 ohms (Unbalanced and Balanced Outputs)
Sensitivity
High Level, 450mV for 2.5V rated output
Phono MM, 4.5mV for 2.5V rated output
Phono MC, 0.45mV for 2.5V rated output
Input Impedance
High Level: 22K ohms
Phono:
MM, 47K ohms; 50 to 750pF, in 50pF steps
MC: 25, 50, 100, 200, 500 or 1,000 ohms; 100pF
Maximum Input Signal
High Level:
5V Unbalanced
10V Balanced
Phono:
MM, 50mV
MC, 5mV
Voltage Gain
High Level Input to Record Output: 0dB
High Level Input to Main Output: 15dB
Phono (Moving Magnet) to Record Output: 40dB
Phono (Moving Coil) to Record Output: 60dB
Tube Compliment
Phono Circuitry:
4 - 12AX7A
High Level Circuitry:
4 - 12AX7A