Direct Boxes

A Designs Audio products include the Reddi Tube Direct box which and be rack mounted for use with 2 or more units. The Atty is also available and features no-noise and compact design for applications including passive line level control, powered monitor level control and to line level control to prevent clipping. The Atty2’D is also offered as a rack mountable option.

The 124A Audio Level Interface from Aphex Systems features dual buffered interface, transformer-less outputs, servo balanced inputs and outputs as well as recessed controls, pushbutton 600 Ohm input termination, clip indicator and self powered design.

ART produces direct boxes for the connection of a music source to a instrument amplifier, while simultaneously patching it to a mixer or other source with automatic balancing and line level matching outputs. The Dual Passive Direct Box features switchable input attenuation, a 50k Ohm instrument input, 50k Ohm parallel link jack, 600 Ohm XLR output and switchable ground lift.

BSS Audio makes the AR-133 Active DI Box. This unit features phantom power and battery supplies, the internal 9V back up power, ½” and XLR input and input attenuation of 0, -20 or 40db.

Countryman Associates manufactures direct interface boxes designed for any high-impedance instrument and feature no tone or volume change as well as no hiss distortion or buzz. Input circuitry can withstand 220V and static spikes up to 20,000 volts.

EbTech provides a variety of direct box products. The Hum Eliminator and The Line Level Shift are available in 3 versions, 2 channel, 2 channel with XLR jacks and 8 channel rack mount. The Swizz Army is also available for checking XLR, ¼”, RCA, 1/8”, TT and MIDI cables for continuity and intermittent connections as well as containing a test tone generator.

Manley Labs offers the All Tube Direct Interface featuring ground lift switch, console out boost switch, transformer coupled balanced XLR output, 12Hz-15KHz frequency response as well as 5751 vacuum tube and -6dB or -26dB gain.

Pro Co Sound offers a large array of direct box products. Products offered include features such as 4 and 8-channel isolation transformer and audio-video interface. Additional features include switches for speaker/line-level attenuation, high-cut filter and ground lift.

Radial Engineering offers a large selection of direct boxes. Direct box products available include JDV Super DI, JDI Duplex Stereo, J48 Active DI, JDI Passive DI, JPC Computer DI, J33 Turntable DI, JD6 Rack mount DI and the JDX amplifier DI. Product features include 30 volt internal rail voltage, variable impedance to 3.9 Meg-Ohms, stereo to mono merge, active drive circuit, low frequency rumble filter and direct feed to console.

The Samson Audio S-direct Direct Box features switchable input level handles instrument and speaker levels, 48 Volt phantom power or 9 volt operation with auto battery shut off as well as switchable ground lift and ¼” link output. The S-direct Plus also features gold plated XLR balanced outputs and solid extruded aluminum chassis the large rubber feet.

The SFX-06 Paranormal Bass Direct Box includes a balanced line out XLR jack with ground lift for mixing board or a recording console with no loss of signal as well as three bands of active EQ specifically optimized for bass. Other features include +/- 12dB gain range, 1MOhm input impedance and 2KOhm out put impedance.

The TD-100 Instrument Preamp & Tube Direct Box features a hybrid signal path utilizing both a discrete solid state output device and a 12AX7A/ECC83 vacuum tube in a ½ rack space as well as both XLR microphone level and ¼" TRS line level outputs, plus variable input impedance, polarity switch and ground lift, signal and overdrive LEDs, and a headphone output.

The TAPCO DB Series of direct boxes feature conversion of unbalanced line-level signals to balanced mic-level output and provide signal and impedance matching for the direct connection of instruments in addition to a ground lift switch, a 1/4" Input jack is for connecting instrument or speaker-level signals, and a separate 1/4" Thru jack allows the unbalanced signal to be sent to an onstage amplifier while the balanced signal is sent to a mixer.

Tech 21 offers the SansAmp series of direct box products in both rack mountable and stand alone units. SansAmp units include features such as low, mid, high, level, character and drive controls. The Bass Driver direct box includes featrus such as drive, bass, treble, presence, blend and level controls as well as LED displays.

Whirlwind offers several direct box products in standard and rack mount designs. Direct box features include1/4” jack inputs, filter controls, ground lift switches, input selections, LED indicators and pass through jacks.

DBX offers the dB10 and db12 direct boxes featuring stackable chassis, gold plated XLR connector, chrome toggle switches, ¼” input jack, ¼” parallel jack, insulated transformer, balanced XLR output, flat/high-cut filter switch and ground lift switch. The dB12 also features low-noise active circuitry and phantom powered design.