| Content |
Passive direct box for connection of unbalanced musical instruments
and line-level sources to low-Z balanced microphone input for PA or
recording. Not recommended for speaker-level use. 1/4" (6.35mm) input
(with parallel 1/4" output). Switch for ground lift. Male XLR-type balanced
mic-level output. Uses Pro Co CBT-1 transformer (20k/150 ohm).
| 2-channel passive DI box for line and loudspeaker levels. PAN-04 consists of a housing containing the equivalent of two PAN-01s, making it a dual channel passive DI box. This „stereo" configuration makes it ideally suited for use with certain keyboards and devices which have several outputs.ive DI box. Jack input with paralell „THRU" output, transformer balanced XLR output. Attenuable input sensitivity, can handle both line level and speaker level signals.
Specifications
- No. of channels: 2
- Passive/Actibe: Passive
- Transformer balanced: Yes
- Attenuator: -30 dB
- Input/Output Gain: -20 dB
- Ground lift switch: Yes
- Max Input Level: +54 dBu
- Max Output Level: +4 dBu
- Frequency Range 2K Source Imp. -1dB: 10 Hz - 40 kHz
- Input Impedance 60Hz: 60 kΩ
- Nom. Output Impedance: 600 Ω
- Housing: Steel
- Dimension: 110 x 110 x 45 mm
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Active DI-Box SM-60
The electronic Direct-Injection Box SM-60 allows direct connection of electronic
music instruments such as keyboards, synthesizers, electric and electronic pianos,
etc. with mixing consoles in PA-systems and in recording studios.
The SM-6 is designed for applications, where a passive DI-Box does not perfom
satisfactorily, i.e., where the output level of a passive DI-Box is too low for the microphone
input section of the mixing desk.
Because the input impedance of the SM-6 is above 5 MOhm, instrument outputs are
not loaded or in any other way adversely affected. The voltage ratio from input to output
is 1: 1 and is always sufficient for connection with any microphone input. Input connectors
are 1/4" phone jacks, output connector is a Switchcraft D3M; output is 600 Ohms,
transformer balanced. The output level may in certain cases overload microphone inputs -
the line input section of the mixing console must then be used for connecting the SM-6.
The unit operates with a 9 V battery or phantom powering from 24 to 48 volts.
Technical Data
input impedance > 5 MOhm
max. input impedance + 6 dBu, 1,55V
ouptut impedance 600 Ohm
frequency response 20 ... 20000 Hz, ± 0,2 dB
gain 1 : 1
THD < 1 % at 30 Hz
< 0,7 % bei 40 Hz
powering 9-V battery (IEC 6LF22) or
phantom power 24 ... 48 V.
inputs two 1/4" phone jacks , unbalanced
(one being used as output to instruments amp)
outputs XLR, balanced
pin 1 = ground, pin 2 = hot, pin 3 = cold
case aluminium die-cast
weight 240 g
dimensions 113 x 71 x 37 mm |
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
| 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. |
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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