General Conditions
Generator Source Resistance 20 Ω
(Audio Precision Z Out)
Load set to 100 Ω and capacitance set to 1000 pF (Apheta and Aphelion)
Output Load Resistance 100 kΩ
(Audio Precision Z In)

Input Sensitivity for 200 mV on Unbalanced Output
67 μV - 69.5 dB Gain Setting I
131 μV - 63.5 dB Gain Setting II

Gain Input to Unbalanced Output
63.5 dB Minimum
69.5 dB Maximum

Input Load
50, 100, 150, 300 & 400 Ω

Capacitive Load
1000, 2000, 3200, 4300, 5700 pF

Input Overload @ 1 kHz
9.6 mV - 63.5 dB Gain Setting
4.9 mV - 69.5 dB Gain Setting

Rated Output Level

Unbalanced 200 mV
Balanced 400 mV
Maximum Output Level
Unbalanced 14.5 V RMS
Balanced 29 V RMS
Balanced Output Connections
Balanced XLR connectors pin2 positive and pin3 negative.
The positive pin2 connection on the balanced output is the same connection as the unbalanced output.

Output Resistance
Unbalanced 100 Ω
Balanced 200 Ω

Absolute Minimum Output Load Resistance (for a –3 dB roll off @ 20 Hz)
500 Ω Unbalanced
1000 Ω Unbalanced
RIAA Accuracy (Better Than)
0.2 dB 100 Hz to 50 kHz

Frequency Response
13.5 Hz (–3 dB) to 100 kHz (–0.2 dB)

THD
Typically 0.03 % @ 1 V 20 Hz 20 kHz (Bandwidth 100 Hz to 22 kHz)

Output Noise Level (Unbalanced Output, A-Weighted and 15 Ω Input Load)
-77 dB V (69.5 dB Gain Setting I)
-82 dB V (63.5 dB Gain Setting II)

AC Supply
230 V & 115 V Nominal +/- 10 %

Power Consumption
15.3 W

Weight
13Kg

Dimensions (H x W x D)
435mm x 350mm x 88mm