Orpheus Lab A Two 22D The internal architecture consists of 5 levels Source selection : offers a choice between two balanced and two unbalanced inputs, seamlessly adapting to any source while preserving absolute signal integrity Conditioner stage : ensures that even the most delicate audio signals are brought to the same reference level, delivering identical sonic quality regardless of the input mode—balanced or unbalanced Each input features a selectable gain stage (High, Medium, or Low), offering the flexibility to perfectly adapt to the vast array of sources available on the market. Volume adjustment between -120 dB and 6 dB by 1 dB steps Class A current-buffered output stage INPUT Connections 2x XLR and 2x RCA Balanced input Impedance 94 kΩ Unbalanced input Impedance 47 kΩ Maximum Input Level (input Bal) 7.2 Vrms Maximum Input Level (input Unbal) 3.6 Vrms Grounding Two possible modes selectable by a switch on the rear panel) Grounded : Signal ground connected to earth Lifted : Separated ground and earth signal OUTPUT Connections XLR or RCA Maximum Output Level (input Bal) 6.2 Vrms Maximum Output Level (input Unbal) 3.1 Vrms Frequency range ( 0 dB, -0.1 dB) 5 Hz to 24 kHz Frequency range (-3 dB) 0.7 Hz to 330 kHz THD N < 0.0014 % (-97 dB) @ 1 kHz Gain balanced max 18 dB Gain unbalanced max 24 dB Clip to Noise Ratio -105 dB Gain unbalanced 32 dB Gain Balanced 26 dB Output impedance Balanced 200 Ohm Output impedance Unbalanced 100 Ohm TECHNILOGY USED Three Pre-configured input gain 0 dB, 5.85 dB or 11.88 dB corresponding to the High, mid or low input level Adjustment ranges from -120 dB to 6 dB in steps of 1 dB Real dual mono topology Purely resistive passive component attenuator without any feedback loops or semiconductor components Class A type output current buffer POWER Nominal line voltage 100 Vac, 115 Vac or 230 Vac Input voltage range ± 15 % Maximum power consomption 50 W SIZE & WEIGHT Height 100 mm Depth 420 mm Width 440 mm Weight 14.2 kg SAFETY FEATURES Automatic switching to MUTING if the AC line drops or is interrupted.
