Samson S-Direct Plus Active Stereo Direct Box with Ground Lift Switch

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About Samson

The Samson S-Direct Plus is an active, phantom powered stereo direct box. It's like having two direct boxes in one, perfect for keyboard players or any instrument with multiple outputs. Unlike a passive DI where the frequency response of the signal can be altered depending on the connected impedance, an active DI buffers the input signal with an amplifier. This assures that the sound source will reach the mixer balanced and noise-free.

The input-buffering amplifier also ensures clean, pure and powerful sound when using extremely long cables. The DI can be powered either from the phantom power of a mixer or by using a 9 V battery.

Samson Features

  • Stereo direct INSERTION box
  • Perfect for stage and studio and fixed installation
  • 1/4" linked inputs/outputs
  • 48 volt phantom power or 9 volt operation with auto battery shut off
  • Switch-able ground lift
  • Gold plated XLR balanced outputs
  • Solid extruded aluminum chassis with large rubber feet

Samson Specifications

Frequency Response
5-35 kHz, -3 dB
Noise Level (22-22kHz, Input Shorted)
-104 dBu
THD + N (10 Hz -22 kHz)
0.013% typ.@1VRMS,1kHz
Input Impedance
GTR: > 1 Meg. Ohm
SPK: 10 k Ohm
Max. Input Level (1% THD)
+8.1 dBu ( 9v. Batt.)
+11.3 dBu (48v. Phantom)
1/4= Phone Jack, unbalanced
1/4= Phone Jack, unbalanced
Balanced Output
XLR Connector, balanced
Phantom Power
24-48 VDC
9 Volt
Dimensions (W x D x H)
5.65" x 4.13" x 2" / 14.3 x 10.4 x 5.08 cm
15 oz / 425 g (with fuse)
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