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- High performance active direct box
- Increased dynamic range and headroom
- 48V phantom powered with switching supply
- Ideal for acoustic guitar and bass
The Radial Pro48 is a compact high-performance 48V phantom powered active direct box designed specifically for todays high output instruments.
The Pro48's innovative internal switching power supply significantly increases headroom producing less distortion while yielding a smooth, linear response that extends from 20Hz to well above 40kHz. This results in natural, uncolored signal that is as good or better than DI boxes costing several times more. The superior performance makes the Pro48 an ideal candidate for use with battery powered active basses and acoustic guitars that tend to overload other direct boxes.
The compact Pro48 is built road-ready with 14 gauge steel throughout. A unique book-end™ design creates a protective zones around the switches and connectors while the internal I-beam construction assures outside stress will not torque the PC board and deteriorate solder connections. A full bottom no-slip pads adds mechanical isolation and electrical insulation to further extend the Pro48's lifespan.
Exceptional sonic performance, great natural tone and an affordable price tag! The Radial Pro48 truly represents a breakthrough in value. |
Phantom or battery powered in a rugged steel chassis, with separate Speaker Level input connector The ARX DI-PLUS represents another major step forward in active direct boxes. Packaged in a single channel stand-alone format, the DI-PLUS represents a fresh look at active 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. Level control The DI-PLUS features a Normal gain high impedance unbalanced input on the front panel, running to a balanced XLR output on the rear. There is also a separate -40dB Speaker Level input for signal coming from the External (auxiliary) speaker output of an amplifier. A a global Pad switch drops both the normal input and the speaker input by a further 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 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 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 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 XLR connector, ground lift switch, 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 and clarity of the original sound source transferred to the mixing console. The ARX DI-PLUS provides a rugged, no-compromise solution to all 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 +13 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 .0027%, 1KHz .0028%, 10KHz .0037% Frequency Response 20Hz to 20KHz, ± 0.2 dB Gain through Unit: 6dB (Normal input, Pad switch out) Pad Switch: -20 dB attenuation Speaker Input -40 dB attenuation, equivalent to 100:1 decrease in input level -60 dB attenuation available with Pad switch Input Connectors Insulated jacks (!!!Note that the Input connector switches the unit on when a plug is inserted. Remove plug when storing to avoid battery drain!!!) Output Connector 3 pin XLR. Wired Pin 1 Ground, Pin 2 + Hot, Pin 3 - Cold. With 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 |
The alphaton Direct Injection-Box SM-50 allows direct connection of electric guitars,
electric bass, and electronic music instruments with mixing desks of PA systems
and of recording studios.
The SM-50 reduces the amount of microphones used on stage, thus improving gain
before feedback.
Coloration of sound is avoided. Clean signal without interference from other instruments
eases the job of the recording engineer. The use of a strong aluminium die-cast box allows
trouble-free function for a number of years even under adverse conditions. Double grounding
(hum) can be eliminated by activating the built-in ground-lift switch. Isolation voltage between
input and output is 2500 volts, against ground 1500 volts (with ground-lift switch activated).
The box thus complies with toughest safety standards.
Technical Data
input impedance 20 kOhm
input impedance, instrument
input impedance, line-In
input impedance, speaker
output impedance 200 Ohm
frequency response 30 ... 20000 Hz, ± 1 dB
THD
isolation voltage tranformer pri/sec 2500 V
outpur to ground 1500 V
inputs 1/4" phone jacks, unbalanced
outputs XLR, balanced, microphone level.
pin 1 = ground, pin 2 = hot, pin 3 = cold
case aluminium die-cast
weight 230 g
dimensions113 x 71 x 37 mm
| Standard active DI box. Can be operated with 9 V batteries or 48 V phantom power. High-impedance input; higher output level than with a passive DI box. Active circuitry allows for high input impedance ( 1 meg. ohm) and higher input sensitivity (typical difference between in and out -4 dB). Maximum output impedance with phantom power operation +10 dB. Output: transformer balanced. The special "floating ground" circuitry enables ground lift even during phantom power operation. Metal case 110 x 73 x 42 mm. | |
Palmer PAN 03 19" DI Box 4-Channel active
Active 4-channel DI box. Each channel has a jack input with a parallel output for passing through the signal. An attenuation switch (-30 dB) allows either a line or loudspeaker signal to be connected.Active 4 x DI box, 19" format. Technical specitications identicl to the PAN-02, however, the PAN-03 is built for mains operation. All connections and switches are located on the front panel, an additional parallel XLR output is located in back. 19 inch rack-mount format, 1 rack space, 90 mm front to back.
Product type
DI Boxes
Type
active
Channels
4
Inputs
4
Input connectors
6.3 mm jack
Max. input level
+ 45 dBu
Input impedance
(@ 60 Hz) 1 M Ohm(s)
Input pad
0 / -30 dB
Outputs
4 (+ 4 parallel XLR outs)
THRU outputs/channel
1
Output connectors
6.3 mm jack , XLR
Max. output level
+ 10 dBu
Output impedance
600 Ohm(s)
Frequency response
10 - 20000 Hz
Transformer balanced
Yes
Ratio
10 : 1
Indicators
Power
Controls
attenuator , ground lift
Operating voltage
external
Cabinet material
sheet steel
Cabinet surface
Powder coated
Width
480 mm
Width
19 "
Depth
90 mm
Height
45 mm
Height
1 U
Weight
1,6 kg
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