Features:
Tube pre-amplifier designed for vinyl disk phonograph(RIAA).
Adopts feedback equalizer and frequency response is in conformity to RIAA standard.
Two 12AX7 tube with DC power supply filaments for optimal hum and noise reduction.
Durable aluminum alloy housing with tube protective casing and steel heavy duty chassis.
Power transformer with 0.35mm stalloy shell and high-strength OFC enamelled wire.
With RCA input & output jacks and GND interface.

Specifications:
Color: Black + Silver
Signal Input:  RCA Jacks (R & L)
Signal Output: RCA Jacks (R & L)
Tube: 2 * 12AX7
Frequency Response: RIAA standard
Output Voltage: 500mV (400Hz)
Input Sensitivity: ≤4mV (400Hz,500mV output)
Distortion: ≤0.11％(400Hz)
SNR: ≥85dB (A)
Phono Stage Suitability: MM
Plug: US
Voltage: 110V
Item Size: 17 * 18.5 * 13cm / 6.7 * 7.3 * 5.1in
Item Weight: 2460g / 5.4lb
Package Size: 27 * 23 * 21cm / 10.6 * 9.1 * 8.3in
Package Weight: 3117g / 6.9lb

Note:
This product is in conformity to two input voltage. Please make sure of the input voltage you have chosen before you select the voltage gear.

Package Size:
1 * Processor
1 * Power Cable(US)
2 * Fuses
4 * Protective Jackets for RCA Jacks
1 * User Manual (English)