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ProCo DB-1 Direct Box

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The DB-1's simple design offers reliable input jacks as well as a loop-through 1/4 in. jack. Plug any instrument level signal (and some line level) ...Click To Read More About This Product

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OVERVIEW

No gimmicks or frills, just the right stuff.

The DB-1's simple design offers reliable input jacks as well as a loop-through 1/4 in. jack. Plug any instrument level signal (and some line level) into the box, interface with a standard XLR mic cable into the Lo-Z output, and you're ready to plug the output directly into a mixing console. A ground lift switch is provided for buzz-free operation in almost any environment.

MPN: DB-1
FEATURES
  • Transforms Hi-Z 1/4 in. input to balanced Lo-Z XLR output
  • Heavy duty steel box
  • Superior quality connectors and transformer
  • Recessed connectors and switches to prevent damage
  • Ground lift switch to eliminate hum
  • Paralleled 1/4 inch output for on-stage monitoring
  • Individually tested for performance and quality

Order yours today for simplicity and reliability.

SPECIFICATIONS
  • FREQUENCY RESPONSE:
  • 20Hz-20kHz, ±.5DB @ -15dBv output
  • -3dB @ approximately 85kHz
  • Filter mode introduces 6dB/octave attenuation above 4.0kHz
  • TOTAL HARMONIC DISTORTION:
  • Less than .03% 20Hz-20kHz @ -30dBv output
  • Less than .1% 30Hz-20kHz @ -15dBv output
  • Less than .25% 20Hz-20kHz @ -15dBv output
  • PHASE RESPONSE:
  • Less than -18 @ 20kHz (ref. 1.0kHz)
  • RISE TIME:
  • Less than 4.5 microseconds (2.0kHz square wave, 10%-90%)
  • INPUT IMPEDANCE:
  • Greater than 130 kohm @ 1.0kHz (INST mode)
  • Greater than 105 kohm @ 10kHz (INST mode)
  • (Nominal source impedance is 20 kohm)
  • Approximately 8.2 kohm (SPKR mode)
  • (Nominal source impedance is 0 ohm)
  • OUTPUT IMPEDANCE:
  • Less than 200 ohm @ 1.0kHz
  • Less than 215 ohm @ 10kHz
  • (Nominal load impedance is 1.0 kohm)
  • VOLTAGE STEPDOWN:
  • Less than 22dB @ 1.0khz (INST mode)
  • (SPKR mode attenuates signal by 20dB)
  • MAXIMUM INPUT LEVEL @ 50Hz FOR 1% THD:
  • +16dBv (INST mode), +34dBv (SPKR mode) @ 20Hz
  • +21dBv (INST mode), +41dBV (SPKR mode) @ 30Hz
  • +26dBv (INST mode), +46dBv (SPKR mode) @ 50Hz

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