Spartan 821/721 Manual Instrument Hardware Specifications A-14
A.1.9 AC/DC Output Specifications
Connector
3.5 mm TRRS connector
Pinout:
Tip: DC Out
Ring 1: AC Out
Ring 2: Connector Detect
Sleeve: Ground
AC Output Voltage Preamp Output: +18/-14 Vpeak Max, +12.7/-10 Vrms
AC Output Impedance 1 kΩ || 1,000 pF
DC Output Voltage 10 mV/dB, +2.5 V Max, ± 1 mV (0.1 dB) at room temperature
DC Output Impedance 1 kΩ || 1,000 pF
Recommended Load
Impedances
50Ω - 10 MΩ