The Radial ProDI is a passive direct box that combines exceptional audio performance with solid dependable construction, making it the ideal general duty direct box for stage and studio. The heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140kΩ input impedance to reduce loading while enabling the ProDI […]
The Radial ProDI is a passive direct box that combines exceptional audio performance with solid dependable construction, making it the ideal general duty direct box for stage and studio. The heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140kΩ input impedance to reduce loading while enabling the ProDI to handle extreme signal levels at all frequencies without distortion. This is further improved upon with an internal mu-metal shield to protect against electromagnetic fields that can cause unshielded transformers to distort.
This compact direct box begins with 14-gauge steel I-beam skeleton for added rigidity and Radial’s unique book-end design that creates a protective zone around switches and connectors. Glass filled nylon connectors and high cycle switches combine with the mil-spec PCB and internal RF filtering to provide durability and noise-free performance. A full bottom no-slip pad provides both mechanical isolation and electrical insulation to further protect against the rigors of professional touring.
The ProDI is ideally suited for instruments such as bass guitar, active acoustics, keyboards and just about anything else! When you consider all of the features and the affordable price tag, it is no wonder the Radial ProDI has become one of the most popular direct boxes ever made. The Radial ProDI… Spectacular performance at a price that anyone can afford!
The Radial ProDI is a passive direct box that combines exceptional audio performance with solid dependable construction, making it the ideal general duty direct box for stage and studio. The heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140kΩ input impedance to reduce loading while enabling the ProDI to handle extreme signal levels at all frequencies without distortion. This is further improved upon with an internal mu-metal shield to protect against electromagnetic fields that can cause unshielded transformers to distort.
This compact direct box begins with 14-gauge steel I-beam skeleton for added rigidity and Radial's unique book-end design that creates a protective zone around switches and connectors. Glass filled nylon connectors and high cycle switches combine with the mil-spec PCB and internal RF filtering to provide durability and noise-free performance. A full bottom no-slip pad provides both mechanical isolation and electrical insulation to further protect against the rigors of professional touring.
The ProDI is ideally suited for instruments such as bass guitar, active acoustics, keyboards and just about anything else! When you consider all of the features and the affordable price tag, it is no wonder the Radial ProDI has become one of the most popular direct boxes ever made. The Radial ProDI… Spectacular performance at a price that anyone can afford!
Features:
Plug and play easy to use feature set - on stage or in the studio
Behringer DI-400P High-Performance Passive Direct Injection Box
Introducing the Ultra-Compact DI-Boxes from BEHRINGER
There are times when you will want to connect certain sound sources straight to other audio gear, be it for a live performance or a studio session. A direct connection between audio equipment can be a challenge though: technical problems crop up that?ll corrupt the signal.
The DI400P lets you connect instruments or amplifier outputs. It converts any unbalanced signal to a balanced signal and eliminates unwanted noise. With its high-performance transformer, it also allows you to use very long cables without the loss of high frequencies.
This is the sort of medicine that?ll cure headaches in your studio or on stage.
Passive DI box. Jack input with paralell "THRU" output, transformer balanced XLR output. Attenuable input sensitivity, can handle both line level and speaker level signals.
Product type
DI Boxes
Type
passive
Channels
1
Inputs
1
Input connectors
6.3 mm Jack
Max. input level
+ 54 dBu
Input impedance
(@ 60 Hz) 60k Ohm(s)
Input pad
0 / -30 dB
Outputs
1
THRU outputs/channel
1
Output connectors
6.3 mm Jack , XLR
Max. output level
+ 4 dBu
Output impedance
600 Ohm(s)
Frequency response
20 - 20000 Hz
Transformer balanced
yes
Ratio
10 : 1
Controls
attenuator , ground lift
Cabinet material
sheet steel
Cabinet surface
powder coated
Width
110 mm
Depth
73 mm
Height
42 mm
Weight
0,34 kg
At dbx, when we do something, we do it right. So when we decided to create our new direct injection boxes, we didnʼt settle for the same old tired approach to direct box design. With our dbx name on the line, how could we? One look at our new dB10 Passive and dB12 Active direct boxes will tell you that these are clearly different. With their bullet-proof construction, and extraordinary audio performance to rival their looks, finally thereʼs a direct box worthy of the dbx name.
Utilizing custom dbx mu-metal-shielded audio transformers, high-quality Neutrik® connectors, and low-noise circuitry preserves the sonic integrity and true characteristics of the signal source. Both boxes include a pad switch that accomodates instrument, line and even speaker level signals. Take even more control of your sound by utilizing the polarity invert switch to set the phase relationship between the direct and mic'd sound.
As a professional, you donʼt have time for interference, so weʼve included a ground lift switch to solve potential hum and buzz problems due to ground loops. And between the combined shielding of the cast metal chassis and the custom-wound transformer, you can be doubly assured of a clean signal free from interference. All of this sits atop a solid, stable footprint, that will keep the box from being dragged around the stage, and the unique contoured underside allows secure stacking of multiple units.
So whether you need to control the level, placement in the mix, or overall characteristics of 4 independent signals or control the gain leveling on a couple of stereo pairs, the dbx dB10 dB12 is for you.
Thru Output: 1 parallel connection from input jack
Connector: 1/4" jack
Type: Unbalanced, RF filtered
Main Output: 1 line level
Connector: XLR male jack
Type: Balanced
Impedance: 150 Ohm typical
Max Output Level: 0dBu
PERFORMANCE
Transformer: Custom dbx mu-metal-shielded
Frequency Response: 20Hz to 20kHz, +/-2.5dB
Noise:
THD:
GENERAL
Dimensions: 5.82" L X 5.44" W X 2.20" H (148 x 138 x 56mm)
Weight: 1.4 lbs / 0.65 kg
Note: Specifications subject to change without notice.
Phantom or battery powered in a rugged steel chassis
The ARX DI-PLUS 2 represents another major step forward in active direct boxes. Packaged in a single channel stand-alone format, the DI-PLUS 2 represents a fresh look at active stereo D.I. concepts.
Precision engineered Ultra quiet, ultra clean circuitry delivers maximum headroom whatever the signal. Premium grade components, plus an all-steel chassis gives excellent hum and noise specifications and superb audio quality in a tough, roadworthy package. Accurate Left and Right channel level matching keeps the stereo image centred.
Level control The DI-PLUS 2 features two high impedance unbalanced inputs on the front panel, running to balanced XLR outputs on the rear. A a global Pad switch drops inputs by 20dB, making it suitable for all applications from the softest keyboard to the hottest broadcast levels.
Battery compartment The revolutionary simple 'clamshell' action of the DI-PLUS 2 battery compartment makes battery changing extremely easy, even on the darkest stages. A 9v alkaline battery snaps into a PCB mounted battery holder for fast, secure location. No fragile battery clip leads to break, no tools required, no screws to lose. Production crew heaven!
Automatic Phantom switching The DI-PLUS 2 will automatically switch itself to the console's own Phantom Power, if available, and an LED will indicate this mode. Turn the Phantom Power off and it will instantly revert back to battery mode.
Rugged all-steel case A lot of direct boxes are fitted into brittle cast alloy cases. Not this one! The tough all-steel inner and outer chassis of the DI-PLUS 2 provide excellent RF/EMF shielding while making it a sturdy, heavy duty unit that is hard to dislodge, and hard to leave behind.
Rear panel showing Left and Right XLR connectors, ground lift switch, battery check switch and LED, plus phantom power On LED and captive screw for opening up the unit for battery changing
Whether you're a Studio or Live Sound engineer, installation contractor, or broadcast engineer, you want all the dynamics,clarity and stereo information of the original sound source transferred to the mixing console. The ARX DI-PLUS 2 provides a rugged, no-compromise solution to all stereo direct injection and signal balancing requirements.
T E C H N I C A L S P E C I F I C A T I O N S: Max Input Level +12 dB Phantom powered +6 dB Battery powered Input Impedance 1 Meg Ohm Max Output Level +17 dB 10K Ohm load Phantom powered +12 dB 10K Ohm load Battery powered +11 dB 600 Ohm load Phantom powered +12 dB 600 Ohm load Battery powered Output Impedance 680 Ohms Balanced Output Signal to Noise -100 dB unweighted -104 dB A weighted Dynamic Range 117 dB 10K Ohm load Phantom powered 112 dB 10K Ohm load Battery powered 111 dB 600 Ohm load Phantom powered 107.5 dB 600 Ohm load Battery powered Distortion 100 Hz .0018%, 1KHz .0028%, 10KHz .0056% Frequency Response 20Hz to 20KHz, ± 0.2 dB Gain through Unit: 6dB (Pad switch out) Pad Switch: Global -20 dB attenuation Input and Loop Out Connectors Insulated jacks (!!!Note that Channel A Input connector switches the unit on when a plug is inserted. Remove plug when storing to avoid battery drain!!!) Output Connectors 3 pin XLR. Wired Pin 1 Ground, Pin 2 + Hot, Pin 3 - Cold. Global Audio Ground (Pin 1) lift switch Construction All-steel chassis, fibreglass PCB Battery Access Twist connector opens chassis, snap-in battery holder inside. No tools required
You're serious about getting rid of all that excess noise on stage, but you've got so many line instruments you don't know where to start. The ADB-4 from Stewart can take care of all your high impedance problems. The ADB-4 is 4 active direct boxes, all in a module that only takes up half a space on your keyboard rack. It's a rugged, durable piece of equipment that packs a lot of DI power.
? Requires phantom power or 9v battery ? Ground lift switch ? Instrument or speaker level switch ? Transformerless ? Can be used with amp up to 400w ? RF shielding
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