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DB1P is a single-channel passive DI BOX equipped with the same type of MU-METAL core transformer used in the DB1A, which provides minimum distortion, linear phase and hum-free transmission also on very long cables. Thanks to the input stage design, DB1P can accept also signals coming directly from the power output of instrument amplifiers, PAD up to 60 dB. A specially designed input filter is also available for cutting any hiss or buzz noise coming from acoustic or electric guitar and basses.
Technical Specifications
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Type :
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1 channel passive DI
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Width :
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215 mm(8.465inch )
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Height :
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50 mm(1.969inch )
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Depth :
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125 mm(4.921inch )
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Weight :
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1 kg(2.205lb )
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Rack Units :
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1/2 rack unit.
Removing the two molded sides and attaching two units, with the supplied brackets, you can mount two by two DI boxes into a standard 19¿ rack.
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Inputs :
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Two Parallel 1/4' jack connectors and one parallel RCA connector (unbalanced).
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Input Impedance :
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120 kOhm (pad at 0 dB)
47 kOhm (pad at -20/-60 dB)
44 kOhm (pad at -40 dB)
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Input Levels :
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+15 dBu (pad at 0 dB)
+35 dBu (pad at -20 dB)
+55 dBu (pad at -40 dB)
+75 dBu (pad at -60 dB)
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Outputs :
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XLR male: Pin 2 Hot / Pin 3 Cold / Pin1 Ground
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Output Levels :
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into 1 KOhm or greater
-5 dBu (for 0.1% THD at 50 Hz)
+5 dBu (for 0.1% THD at 1k Hz)
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Channels :
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1 nr.
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Frequency response :
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10 Hz to 100 kHz, +0 dB/-1 dB
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Distortion (THD) :
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S/N Ratio :
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Controls :
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Pad -20, Pad -40, Gnd Lift, Filter (12' emulator)
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Notes :
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Insertion loss 20 dB
CMR > 100 dB
Phase distortion 0° at 20 Hz, 0° at 20 kHz.
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Rear View
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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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1-channel DI box, passive Converts unbalanced 6.3 mm jack line input (e.g. from instruments) into balanced XLR output for connecting a mixer Switchable input attenuation: 0 dB, -20 dB, -40 dB Ground-lift switch eliminates ground loop problems 1 signal input (6.3 mm jack) 1 parallel output (6.3 mm jack), feed-through of the input signal 1 low-impedance output (XLR) Gray housing |
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
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Inline Transformer IA-2
The model IA-2 line matching transformers !S designed to properly match a low impedance
signal to a low impedance source. The advantage of "ground lift" switching allows to optmize
hum problems.
Technical Data
Frequency response 20 Hz - 20 KHz + 1 dB
Impedance 600 : 600 Ohm
THD K3 50 Hz = 0.5 %
Level < + 6 dBm
Weight 100 g
Dimensions diameter 17 mm, lenght 115 mm
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