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Pro-Ject The Tube Box II MM/MC Phono Preamplifier No mail order or internet sales available on Pro-Ject products.
Retail $449
The Pro-Ject Tube Box II sets the standard for a cost effective high-performance phono stage. This product is built using the same high-grade metal chassis shared with the rest of the Mk II product line. This all metal case features great shielding from both vibration and electromagnetic interference. Selectable MM and MC modes as well as a sub-sonic filter via rear panel mounted switches. Gain is rated at 60dB (MC) and is derived by a pair of ECC83 (12AX7A) tubes.
SPECIFICATIONS:
Tubes 2 x ECC83 (12AX 7A)
Input Impedance MM 47k Ohm/120pf
Input Impedance MC 100 Ohms/120pF
Gain MM 40dB
Output Voltage MM 300mV/1kHz or 3mV/1kHz
Gain MC 60dB
Output Voltage MC 300mV/1kHz or 0.3V/1kHz
Noise MM 84dB (94dB - A weighted)
Noise MC 67dB (75dB - A weighted)
THD MM 0.05%
THD MC 0.08%
RIAA EQ Curve Accuracy 20Hz-20kHz / max 0.5db
Subsonic Filter 18Hz with 18dB/octave
Power Consumption 16V/410mA AC
Power Supply Type Mains-fed Outboard Power Supply
Output Voltage 16V/1000mA AC
Dimensions 4”W x 3”H x 5.5”D
Weight 1 lb., 8 oz.
Finish Brushed Silver Faceplate.
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