DI-1

Direct Box

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A high-quality direct box for transforming high-impedance, unbalanced instrument outputs to low-impedance, balanced inputs.

  • - Active direct box with superior frequency responce to conventional transformers
  • - Operates on a 9-volt battery or phantom power from a mixer
  • - Phase reversal and ground lifting switches
  • - Three input level switches
  • - Sturdy, compact design

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Frequency Response
20 Hz to 40 kHz (+0.5/-1 dB)
Nominal Input Level
-20/0/+20 dBu (selectable)
Max. Input Level
+45 dBu (1 kHz), 390 Vp-p
Max. Output Level
+8 dBu (Balanced: 600 ohms load, Unbalanced: 50 k ohms)
Residual Noise
-110 dBu or less (IHF-A)
Total Harmonic Distortion
0.05 % or less
Power Supply
DC 9 V: Dry Battery (6F22/6LR61 type), or
Phantom Power: DC 24 V to DC 48 V
Current Draw
6 mA

Size and Weight

Width (W)
97 mm3-13/16 inches
Depth (D)
125 mm4-15/16 inches
Height (H)
46 mm1-13/16 inches
Weight
480 g1 lbs. 1 oz.

* 0 dBu = 0.775 Vrms

All specifications and appearances are subject to change.

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