
Pro-Ject Audio Systems
MC Step Up Box DS3 B
The Pro-Ject MC Step Up Box DS3 B is a European-made MC step-up transformer for use with an MM phono preamplifier. It uses Lundahl LL 1678 audio transformers, offers selectable 24 dB or 30 dB gain, and supports single-ended RCA or balanced XLR inputs and outputs with front-panel switching and rear-panel cartridge-impedance adjustment. Specifications include a 10 Hz–55 kHz frequency response (±1 dB), 1:16 and 1:32 transformation ratios, a recommended load of 47 kOhm/100 pF, dimensions of 206 × 79 × 197 mm (209 mm including connectors), and a weight of 1,740 g.
MSRP
—
Original list price not on record.
Used market
No tracked sales yet
MSRP to used market
Price history will fill in as sales are recorded.
Specifications
- Output
- 1x pair RCA phono sockets, XLR
- Input MC
- 1x pair RCA phono sockets, XLR
- Weight
- 1740 g lbs
- Dimensions
- 206 x 79 x 197 (209 with sockets) mm"
- Recommended load
- 47 kOhm / 100pF
- Transformation ratio
- 1:16, 1:32
- Frequency response 10hz 55khz
- +/- 1dB
Active listings (0)
Similar but better
Matched by the Audiophilia engine on character, specs and market position.
Peers

Pro-Ject Audio Systems · phono-stages
MC Step Up Box S3
Price on request
- A close peer to this component

Pro-Ject Audio Systems · phono-stages
Phono Box DS3 B
$425est.$699
- A close peer to this component

Pro-Ject Audio Systems · phono-stages
Phono Box S3 B
Price on request
- A close peer to this component
Pro-Ject Audio Systems · phono-stages
Phono Box E
Price on request
- A close peer to this component