Pro-Ject: Tube Box E Phono Preamp – Black

LAB POINTS

• compact audiophile phono preamp with tube technology
• great entry level tube phono stage, tubes are replaceable for tube rolling + sound shaping
• supports both MM and MC cartridges
• customizable gain settings on front panel
• front side gain + subsonic filter controls
• fully discreet circuit design without OpAmps, ultra low noise circuitry
• gold plated RCA inputs + outputs
• dual mono circuitry for optimized channel separation
• high quality metal casing offers shielding from both vibration and electromagnetic interference

“Tube Box E features a fully discrete circuit design without using any operational amplifiers (OpAmps). This results not only in fantastic low noise phono amplification with clean measurements and accurate RIAA equalization, but also ensures a long product life-cycle as maintenance, service and repair are ensured for years and years to come. It also comes with replaceable tubes for tube rolling andsound-shaping. This gives the customer many options to pick from and alter the sound signature to his preference. Tube Box E will give a full and relaxed laid back sound with lush mids, just like you would expect it from a much bigger high-end tube phono preamplifier.” – Pro-Ject

TECH SPECS

• tubes: 2 x ECC83 (12AX7A)
• input impedance: 10 ohms, 100 ohms, 1 kohm, 2 kohms
• input gain: 40 dB, 43 dB / 50 dB, 60 dB und 63 dB
• noise floor: 77 dB (A weighted) at 40 dB input gain, 65dB (A weighted) at 50 dB and 63 dB input gain
• THD: <0.02% at 40 dB input gain <0.07% at 50 dB and 63 dB input gain
• RIAA EQ Curve Accuracy: +/- 0.5 dB/20 Hz – 20 kHz
• Subsonic filter: at 20 Hz with 18 dB/octave
• input/output: RCA pair
• Output Voltage: 18 V / 1.000 mA DC
• Dimensions (WHD): 4.1 x 2.8 x 5.1 in. / 103 x 73 x 131 mm
• Weight: 0.99 lbs / 450 g (without psu)

COMES WITH

• 2x ECC83 tubes (replaceable)
• power supply