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The AR-416 is an active 4-channel direct injection unit.
Each channel includes:
High impedance of 1M Ohm.
* A ?" instrument jack per channel with both parallel and buffered link outputs on ?" jacks
to feed into backline amps.
* A low impedance XLR output which is active buffered, transformer-balanced, floating and
capable of driving 600 Ohm over long cable runs.
* A selectable 8kHz low-pass filter; polarity-reverse and earth-lift on “XLR side“.
* 3-way selectable input attenuation (0dB, 20dB, 40dB pad).
* An additional earth lift on the "jack side“.
The earth lifts on each channel have LED indicators to show true status and avoid confusion.
The unit has total ground isolation with no significant crosstalk between channels and a very
low noise floor.
The unit is mains powered. |
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
| With added functionality and enhanced audio performance, the AR-133 has been
designed to be more affordable for musicians, studios and PA companies.
The unit includes phantom power and battery supplies as standard. Should the
phantom power from the console fail or be accidentally switched off, the AR-133
automatically switches over to the internal 9V battery providing uninterrupted use.
The unit is housed in a rugged aluminium extrusion case, with robust polyurethane
end-cheeks which give the AR-133 a very distinctive look.
Input connectors are both 1/4" jack sockets and an XLR socket, the latter meaning
that the AR-133 can be used to convert unbalanced signals to a balanced output on
XLRs throughout.
The arched case allows cables to run back underneath the unit from the end for neat
cable management.
Input attenuation is 0, -20 or -40dB, making the box suitable for instrument, line or
amplifier levels on inputs. On the output side, a ground-lift switch is provided for quick
solutions to ground-loop problems.
The AR-133 uses an enhanced version of the same audio path as the AR-116, now
regarded by many people as a reference standard. The sound quality is legendary,
particularly on acoustic and bass guitars.
Numerous applications can be satisfied by the AR-133. For example, as well as the
traditional guitar use, the AR-133 can be used with keyboards, DJ consoles, amplifier
outputs, and other electronic sources.An additional bonus is the ability to use the AR-133
as an active balancing device.
Input Section
Input Impedance 1M Ohm (pad at 0dB)
47k Ohm (pad at -20dB)
47k Ohm (pad at -40dB)
Max Input Level +9dBu (pad at 0dB)
+29dBu (pad at -20dB)
+49dBu (pad at -40dB)
Connectors Two Parallel 1/4" jack connectors and a parallel
XLR connector (unbalanced)
Jack: Tip Hot (+ve)
Sleeve Ground
XLR: Pin 2 Hot (+ve)
Pin 1 & 3 Ground
Output Section
Output Transformer Balanced
Max. Output Level +8dBu into 600 Ohms or greater
Connector XLR3-32 or equivalent
System Performance
Distortion (THD) < 0.005% at 1khz, 0dbu output
Noise < -105db unweighted, 22hz-22khz, rms*
Frequency Response 30Hz to 20kHz, +0dB/-1dB
General
Main/Standby battery 9 volt PP3 type, preferably alkaline.
Current drain on phantom - less than 7.5mA
on battery - less than 2mA.
Phantom Power +20 volts DC to +48 volts DC
Weight 650 gms, excluding batteries.
Overall Dimensions 59 mm x 124 mm x 143 mm
(2.3" x 4.9" x 5.6“) | Little brother of the LH-055 DI Box. Sturdy housing, solid workmanship at an unbeatable price.
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 (e.g. to a guitar amplifier) 1 low-impedance output (XLR) Black housing
Passive 1-channel DI box, black
- 1 high-impedance signal input, 6.3 mm jack
- 1 low-impedance XLR output
- 6.35 mm jack input, and output
- Converts an unbalanced line input (e.g. instruments) into a balanced XLR output for connecting a mixer
- Switchable input attenuation: 0 dB, -20 dB, -40 dB
- Rugged black metal housing
Package contents
- 1 x device, 1 x user manual
| Frequency range: |
15 - 30000 Hz |
| S/N ratio: |
>95 dB |
| Impedance: |
Input: 50 kOhm
Output: 600 Ohm |
| Input attenuation: |
0 dB, -20 dB, -40 dB; switchable |
| Control elements: |
Groundlift selector |
| Connections: |
Input: 1 x 6.3 mm plug (unbal.)
Link: 1 x 6.3 mm plug (unbal.)
Output: line via 1 x 3-pin XLR |
| Dimensions: |
Width: 12,7 cm
Depth: 7,4 cm
Height: 4,5 cm |
| Weight: |
440 g |
|
DOD AC 275 Active Direct Box with Switchable Ground Lift and Attenuator-2nd Hand- The AC 275 is an active, phantom powered direct box. Unlike a passive DI where the frequency response of the signal can be altered depending on the connected impedance, an active DI buffers the input signal with an amplifier. This assures that the sound source will reach the mixer balanced and noise-free. Housed in a cast alloy chassis, the AC 275 supplies two, high impedance, unbalanced 1/4" jacks and one low impedance balanced XLR jack. It operates with battery or phantom power.
Key Features
| ?![]() | Active direct box | ?![]() | Allows a hi impedance unbalanced source to directly feed a low impedance balanced input | ?![]() | Flat frequency response | ?![]() | Connects guitar pickups, microphones or electric instruments to a recording or P.A. console without audio quality loss | ?![]() | Internal pad for speaker level input | ?![]() | Operates with battery or phantom power | ?![]() | Ground lift switch eliminates typical ground loop problems | ?![]() | Rugged, road-proof cast alloy chassis |
|
Passive DI box especially designed for guitars.
The PDI09 can be connected between an effect device or amplifier and the mixing console. The PDI09 is not suitable for direct connection to a guitar. Integrated filter circuits simulate the authentic "speaker" sound. Tone can be varied between "Mellow“, "Normal“, or "Bright“.
Technical specifications:
- Input: 6.3 mm jack with parallel "THRU" socket
- Output: male XLR transformer balanced
- Attenuator: (Level switch) 0 dB for line signals, -15 dB for small amps up to 10 w, 30 dB for large amps up to 200 w
- No battery necessary
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