Phono Box II

This is the Phono Box MKII – MM/MC Phono Preamplifier in SILVER.

Features:
Amplification and RIAA equalization for MM and MC cartridges. Metal case shields the circuitry from vibration and electromagnetic interference. Back panel switch for MM or MC selection mode. Small size allows placement near turntable. Dual-mono circuitry for optimal channel separation. Special low-noise integrated circuits used. Gold plated RCA phono jacks used. Outboard power supply included.

Specifications:
Input Impedance MM: 47K ohms / 120 pF
Input Impedance MC: 100 ohms / 120 pF
Gain, MM: 40dB
Output Voltage: 300mV / 1kHz, 3mV/1kHz (MM input)
Gain MC: 60dB
Output Voltage: 300mV / 1kHz, 0.3mV/1kHz (MC input)
Maximum Output: 9.5V (1kHz)
Noise Floor (MM): 86dB (94dB-A weighted)
Noise Floor (MC): 68dB (75dB-A weighted)
THD (MM): < 0.01%
THD (MC): < 0.05%
RIAA Curve Accuracy: 20Hz-20kHz / max 0.5dB
Power Consumption: 16V/30mA AC
Dimensions (WHD): 4 x 1-1/2 x 4-1/2 in
Weight: 1 lb., 4 oz.