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APS Brand - APSDB-3Pack

SPECIAL PRICE! APS Brand Passive Direct Box, Pack of Three
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Sale Price: $58.98

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GET THREE DIRECT BOXES FOR $59

An economy direct box offering rugged construction while maintaining exceptional sound quality.

The Direct-Box is a high quality totally passive interface that lets you connect instrument, line, or speaker level signals to a mixer or other balanced input thru a high performance audio isolation transformer. The high impedance single-ended 1/4” input is converted by the transformer into an isolated balanced low impedance signal source. The Direct Box directs audio transformer has an extremely flat and wide frequency response and can handle high signal levels while still maintaining an isolated balanced low impedance output. This gives the Direct Box a very clean and neutral sound with a wide variety of signal sources and over long signal runs in high noise environments.

The Input Attenuator switches allow for a wide range of signal levels and the Input Thru jack allows for tapping off of your signal chain. The Ground Lift switch lets you totally separate the input and output signal grounds, when appropriate, to isolate two systems, thereby reducing hum and ground-loop noise.

What further sets the Direct-Box apart from other “DI” boxes are its extended features and versatility. We have added a switchable low pass Filter that cuts out all very high frequency interference. This Bessel filter on the output is placed out of the audio range and is primarily intended to reduce radio frequency interference before it gets into the main system. The filter is also very effective in reducing any digital computer noise artifacts when using the Direct-Box as an interface between a computer based audio workstation and your monitors. The Phase Invert switch, while not normally included with your run of the mill D.I. box, has been added to allow you to switch signal polarity right at the source. This feature is especially handy when you are combining a direct tap with a microphone feed in the mix.

The compact black anodized all aluminum case and it’s passive design allow the Direct-Box to provide years of trouble free service in Live Sound, Permanent/Fixed Install, D.J., and virtually any PA application. It’s full feature set, rugged construction, and high-end specifications make the Direct-Box the obvious choice.

  • Frequency Response: 10Hz –50kHz, +/-.5dB @ +4dBu
  • THD: .01% Typical @ 1kHz, +18dBu, .05% @ 100Hz, +18dBu
  • Input Connections: 1/4” TRS unbalanced, 50k Ohm
  • Output Connection: XLR male, 600 Ohm
  • Filter Type/Response: Switchable, Low Pass, -3dB @ 30kHz
  • Input Attenuation: Switchable, (0dB, -20dB, -40dB)
  • Output Phase: Switchable, Normal/Invert
  • Ground Lift: Switchable, fully isolates inputs from chassis and output.
  • Dimensions: 1.75”H x 4.2”W x 3.5”D (44.5mm x 107mm x 89mm)
  • Weight: .75 lbs. (.34kg)
What our customers are saying:
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  • "I want to thank Caylen Staub and All Pro Sound for helping me make the right decision on my new Allen & Heath QU-16 console purchase. I didn't know anything about the board and was very apprehensive about buying it. Caylen patiently explained the features and how the board would fulfill my sound needs. I even had second thoughts after receiving it and he talked me through my concerns. He guaranteed I would enjoy the board and he was absolutely right."
    Phillip S. - Richmond, VA
  • "Thank you for putting together the portable projection system for our church. It is exactly what we needed. We received the screen today and I set it up this afternoon. Even in our brightly lit sanctuary on a sunny day with lots of large windows the projector shown brightly with vivid color. I will be sure to call All Pro Sound with any of our future Audio Visual needs. It has been a pleasure working with you."
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