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Pro-Ject Tube Box II Phono Preamp
This thing is awesome. The preamp market is cluttered with products in this price range, but the Pro-Ject Tube Box II's MM/MC flexibility along with, of course, it's pair of 12AX7s, set it apart. It doesn't just offer features, however. It sounds much better than its price indicates. It's simply exciting to listen to. Once you plug it in and get the tubes warmed up, you won't be able to stop listening.
Pro-Ject Tube Box II Features
Phono MM/MC selection switch located at the rear of the unit
Selectable Subsonic filter
Metal case shields the electronics from vibrational and electromagnetic interference
Optimal channel separation through dual-mono circuitry
Gold plated RCA connection sockets
Outboard power supply included
Pro-Ject Tube Box II Technical Data
Tubes 2 x ECC83 (12AX 7A)
Input impedance, MM 47kohms/120pF
Input impedances, MC 100ohms/120pF
Gain, MM 40dB
Output voltage typically 300mV/1kHz 3mV/1kHz (MM input)
Gain, MC 60dB
Output voltage typically 300mV/1kHz 0,3mV/1kHz (MC input)
Noise floor, MM 84dB (94dB -A weighted)
Noise floor, MC 67dB (75dB - A weighted)
THD, MM 0,05%
THD, MC 0,08%
RIAA-equalisation curve accuracy 20Hz - 20kHz / max. 0,5dB
Subsonic filter at 18Hz with 18dB/octave
Power supply type Mains-fed outboard power supply
Output voltage 16V/1.000mA AC
Power consumption 16V/410mA AC
Dimension W x H x D 103 x 76 x 141mm
Weight 810g without power supply
Pro-Ject Tube Box II Brochure
Pro-Ject Tube Box II User Manual
Needle Doctor Customer Review of Pro-Ject Tube Box II
I highly suggest picking up this amazing phono preamp for your turntable as it’ll breathe new life into all your LP’s both young and old.
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