[Octave] HP700 SE Preamplifier

Inputs : 3 x RCA, 2 x XLR, 2 x arbitrary, 1 x Bypass RCA (can be switched to IN4 -XLR)
Outputs : 2 x RCA, 2 x XLR, 1 x Monitor / Tape Record (RCA)
XLR transmission ratio : 0 dB
XLR pin assignment : 1 = ground, 2 = positive, 3 = negative

Line stage
Output resistance : 100 / 300 ohms RCA; 150 ohm XLR
Monitor Out output resistance : 240 ohms
Maximum output voltage : 12V
Gain factor Gain High : 25 dB = 18,5
Gain factor Gain Med : 18 dB = 7,8
Gain factor Gain Low : 12 dB = 4
Signal-to-noise ratio Gain High : - 98 dB / 38 µV at 3 V output voltage
Signal-to-noise ratio Gain Med : - 104 dB / 18µV at 3 V output voltage
Signal-to-noise ratio Gain Low : - 110 dB / 8 µV at 3 V output voltage
Equivalent noise-level : 14 nV √Hz
Frequency response Gain High-RCA : 10 Hz – 200 kHz -0,7 dB, 0,7 Mhz -6 dB
Frequency response Gain Med-RCA : 10 Hz – 200 kHz -0,3 dB, 1.3 MHz -6 dB
Frequency response Gain Low-RCA : 10 Hz – 200 kHz -0,2 dB, 2,1 MHz -6 dB
Frequency response XLR : 10 Hz – 200 kHz -1,5 dB
Ramp-up time Gain Low : 250 ns
Ramp-up time Gain Low : 60 V/µs
Total harmonic distortion, Gain Low, Med, High : 0.001% at 3V on 10 kOhm
Channel separation : -90 dB / 1 kHz, Input short-circuited
Crosstalk between inputs : - 80 dB / RCA, -95 dB XLR / 1kHz
Input resistance 50 kOhm
Channel matching via volume control 0,5 dB - 70 dB

Power consumption : 35 - 60 W
Weight preamplifier : 10 kg
Weight power supply : 3.8 kg

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