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APPENDIX
7-3
BOULDER 1012 DAC PREAMPLIFIER SPECIFICATIONS (CTD)
Maximum Input Level 6.0 Vrms
Maximum Output Level 14.0 Vrms
THD+N, 2V Output, from 20 Hz to 20 kHz 0.0015% (-96.5 dB)
Output loaded with 150Ω Less than 1 dB distortion change, 20 - 10 kHz
Maximum Voltage Gain, Line input 20 dB
Maximum Voltage Gain, Phono (MM) 60 dB
Maximum Voltage Gain, Phono (MC) 80 dB
Volume Range 100 dB
Volume Steps 0.5 dB +0.05 dB
Record Path Gain, Balanced Output 8.5 dB
Record Path Gain, Unbalanced Output 2.5 dB
Frequency Response, 20 Hz to 20 kHz +0.00, -0.03 dB
Frequency Response, -3 dB at 0.02 Hz & 250 kHz
Clip to noise ratio 118 dB
Crosstalk, L to R or R to L -101 dB or better 20 Hz to 20kHz
Crosstalk, Adjacent Inputs -115 dB or better 20 Hz to 20kHz
Input Impedance 100kΩ Balanced
Output Impedance 100Ω Balanced, 50Ω Unbalanced
Preamp Size, W x H x D 18.0 x 5.750 x 15.75 inches
Power Requirements 100 / 120 / 220-240 V, 50-60 Hz, 75 W Max.