الوصف
uad Artera Pre is a pure analogue preamplifier with MM/MC phono stage, balanced I/O, and analogue-domain volume/EQ control.
Core audio specifications
Analogue inputs: 3 x RCA line (AUX1, 2, 3), 1 x XLR balanced, 1 x phono MM/MC.
Analogue outputs: 1 x RCA pre out (variable), 1 x RCA AUX (fixed line out), 1 x XLR balanced out, 1 x 6.35 mm headphone jack.
Gain (max, Vol = 100): +8 dB (line/XLR), +53.5 dB (phono MM), +73.5 dB (phono MC).
Input sensitivity (Vol = 84, Vout = 0 dBu): 775 mV (line/XLR), 4.1 mV (phono MM), 410 μV (phono MC).
Input impedance: 10 kΩ (line/XLR), 47 kΩ // 100 pF (phono MM), 100 Ω // 1.7 nF (phono MC).
Max output level (THD < 0.1%): 2.3 Vrms (RCA), 4.6 Vrms (XLR).
Input headroom (THD < 0.1%, Vol = 50): 4.1 Vrms (RCA), 8.2 Vrms (XLR), 62 mV (phono MM) / 6.2 mV (phono MC) at 1 kHz.
Frequency response: 20 Hz–20 kHz (±0.2 dB).
THD: <0.002% (20 Hz–20 kHz).
S/N ratio (Vout = 0 dBu): >110 dB(A) line/XLR, >80 dB(A) phono MM, >76 dB(A) phono MC.
Channel separation: >100 dB at 10 kHz.
Output impedance: 120 Ω (RCA), 100 Ω (XLR).
Power, construction, and physical
Standby consumption: <0.5 W.
AC mains (factory set): 230 V, 115 V, or 100 V, 50–60 Hz.
Dimensions (W × D × H): 320 × 320 × 105 mm.
Net weight: 7.8 kg.
Design: fully analogue preamp, four-channel volume to keep balanced signal path, onboard MM/MC phono, tone/EQ per input, low-noise toroidal PSU with multiple regulated rails.