Comparison Pro-Ject Record Box E vs Pro-Ject Phono Box USB
Add to comparison |  |  |
|---|---|---|
| Pro-Ject Record Box E | Pro-Ject Phono Box USB | |
from $189.00 | from $180.00 up to $187.20 | |
| TOP sellers | ||
| Features | MM / MC pickups | MM / MC pickups |
| Dimensions | 120x115x32 mm | 103x115x36 mm |
| Weight | 250 g | 570 g |
Specs | ||
| Frequency range | 20 – 20000 Hz | 20 – 20000 Hz |
| Dynamic range | 93 dB | |
| ADC bit depth | 16 bit | 16 bit |
| ADC sampling rate | 48 kHz | 48 kHz |
| Output level | 0.3 В | 0.3 В |
MM module | ||
| Signal to noise ratio (MM) | 94 dB | 94 dB |
| Harmonic distortion (MM) | 0.01 % | 0.01 % |
| Gain (MM) | 40 dB | 40 dB |
| Input load capacity (MM) | 120 pF | 120 pF |
| Input impedance (MM) | 47 kOhm | 47 kOhm |
MC module | ||
| Signal to noise ratio (MS) | 75 dB | 75 dB |
| Harmonic distortion (MC) | 0.05 % | 0.05 % |
| Gain (MC) | 60 dB | 60 dB |
| Input load capacitance (MC) | 120 nF | 0.12 nF |
| Input impedance (MC) | 100 Ohm | 100 Ohm |
Features | ||
| External power supply |  | |
Connectors | ||
| Inputs | Phono RCA | Phono RCA |
| Outputs | RCA USB (type B) | RCA USB (type B) |
| Color | ||
| Added to E-Catalog | april 2017 | april 2017 |
Compare Pro-Ject Record Box E and Phono Box USB
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Glossary
Dynamic range
The dynamic range of a phono stage is the difference between the maximum signal level it can produce and the maximum level of self-noise (which inevitably occurs in any electronic audio device). In a sense, this parameter is similar to the signal-to-noise ratio (see below), but in this case we are talking about the difference between the maximum signal and noise levels, and not between the average ones.
The greater the dynamic range, the more advanced the phono stage is considered (ceteris paribus). In top models, this figure can exceed 90 dB and even 100 dB. We only note that in universal devices (see "Intended use") the ranges for MM and MC may differ — the first is usually higher, and it is given in the characteristics.
The greater the dynamic range, the more advanced the phono stage is considered (ceteris paribus). In top models, this figure can exceed 90 dB and even 100 dB. We only note that in universal devices (see "Intended use") the ranges for MM and MC may differ — the first is usually higher, and it is given in the characteristics.
Input load capacitance (MC)
The input capacitance of the phono preamp when working with an MC-type cartridge (refer to "Purpose").
This parameter affects compatibility with a specific cartridge. The selection rule in this case is as follows: the total capacitance of the phono preamp and connection cables should match the capacitance of the "head," or at the very least, should not exceed it (otherwise, the sound will noticeably degrade). To simplify this matching, the possibility of adjusting the input capacitance may be provided (see "Adjustments").
This parameter affects compatibility with a specific cartridge. The selection rule in this case is as follows: the total capacitance of the phono preamp and connection cables should match the capacitance of the "head," or at the very least, should not exceed it (otherwise, the sound will noticeably degrade). To simplify this matching, the possibility of adjusting the input capacitance may be provided (see "Adjustments").