The VP29 is a briliant phono preamplifier. Its circuitry is designed not only to provide the exact RIAA equalization curve, but smooth and quiet operation.SpecificationsInput Sensitivity: 42 dB gain 1kHz, 47k OhmsInput Capacitance: 120pfSensitivity: 5mV for 635mV outputInput Impedance: 47k OhmsFrequency Response: / - .5 dB 20 Hz - 20 kHz (Conforms to RIAA Equalization Curve)PWR: 9 - 15 VDCTHD .01% @ 1 kHzS/N Ratio: >83 dB unweightedOutput Impedance: 1K OhmsSize: 3.25" x 2" x 1.5"RIAA Equalizatio..