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Tube Box S

Value-based audiophile tube MM/MC phono stage

$449

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The Pro-Ject Tube Box S sets the sonic standard for an entry-level tube phono stage. This product is built using the same high-grade metal chassis sharedwith the rest of the new "S" product series. This all metal case features great shielding from both vibration and electromagnetic interference. Selectable MM and MC modes as well as cartridge loading via bottom panel mounted switches. Gain is rated at 41dB, 51dB and 61dB (MC) and is derived by a pair of graded ECC83 (12AX7A) tubes.

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TECHNICAL SPECIFICATIONS

Tubes
2 x ECC83 (12AX7A) Triode Output

Load Capacity
50. 150, 270 and 370pF with 47k ohm settings only 10, 100, 1k, 2k ohm, typical for low output MC cartridges

Load Impedance
47k ohm, typical for MM or high-output MC cartridges

Gain
41dB, typical for MM or high-output MC cartridges
51dB or 61dB typical for low-output MC cartridges

Noise MM
84dB (94dB - A weighted)

Noise MC
67 dB (75 dB A-Weighted)THD MM:0.01%

THD MC
0.05%

RIAA EQ Curve Accuracy
20 Hz - 20 kHz / max 0.4 dB

Power Consumption
18 V / 470 mA AC

Power Supply
Mains-fed Outboard Power Supply

Output Voltage
16 V / 1000 mA AC

Dimensions (WHD)
4.1 x 3 x 5 in., 103 x 74 x 112 mm

Weight
1.8 lbs., 810 g

Finish
Black or Silver

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