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High level inputs: ±1 dB from 10 Hz to 50 KHz.
Low level inputs: 0.5 dB of RIAA curve.
Distortion at 2 volts output into 10,000 ohms in parallel with 1000pF:
THD: 0.007% or less, 20 Hz to 20 KHz.
IM: 0.007% or less with any combination of frequencies.
Hum and Noise:
Magnetic Phono: 70 dB below a 10 mV input, at 1000 Hz.
High level: 90 dB below a 0.5 volt input.
Magnetic Phono (LO) to Audio Out: 57 dB at 1 KHz.
Magnetic Phono (HI) to Audio Out: 63 dB at 1 KHz.
Magnetic Phono (LO) to Tape Out/E.P.L. Out: 37 dB at 1 KHz.
Magnetic Phono (HI) to Tape Out/E.P.L. Out: 43 dB at 1 KHz.
High Level to Audio Out: 20 dB.
High Level to Tape Out/E.P.L. Out: unity.
Phono Input Acceptance:
LO: Greater than 115 millivolts at 1 KHz.
HI: Greater 45 millivolts at 1 KHz.
Bass: ±16 dB at 50 Hz.
Treble: ±12 dB at 10 KHz.
Low: -4 dB at 10 Hz; 6 dB per octave. (Conforms to newly revised RIAA phono playback curve)
High: -10 dB at 10 KHz; 15 dB per octave.
10 volts into 10,000 ohms or greater.
4.5 volts minimum into 1000 ohms.
Magnetic Phono: 47,000 ohms in parallel with 220 pF.
High level: 50,000 ohms
From phono inputs, 15,000 ohms or greater may be connected.
From high level inputs, same as source.
Audio Output: less than 600 ohms
Separation at 2 volts output into 10,000 ohms; undriven input terminated in 5K:
20 Hz: 70 dB minimum.
2 KHz: 70 dB minimum.
20 KHz: 45 dB minimum.
Semiconductor complement: 13 transistors; 2 integrated circuits; 3 zener diodes; 4 diodes.
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