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Stage Passive Splitter
4 Inputs, 3 Outputs for each channel.
- 4 Channels of 3 way transformer splits in one 1U rack space device
- Balanced XLR Inputs and Outputs
- Ground Lift Switches on each Isolated Output
- Small 1U size
- Good quality transformers for the splits
Applications
This is the EWI MST-412 4 Channel, 3 way, transformer isolated XLR splitter. This is an ideal, rack-mountable splitter for many applications, including:
1) Splitting XLR signals for taking a recording directly off a house mix.
2) Sending mixed signals to multiple amp racks.
3) Splitting XLR signals between house and monitor mixers.
4) Multiple XLR feeds for broadcast.
The MST-412 has some nice features:
1) Durable construction and all is housed in a convenient 1U rack mount unit.
2) Balanced XLR inputs and outputs.
3) Ground lift switches on both of the Isolated Split Outputs.
4) Good quality transformers for the splits.
5) The Direct Outs will pass Phantom Power. The two isolated split outputs do not pass phantom power.
On the front side EACH of the 4 input channels are equipped with a direct output and one isolated output with the ground lift switch next to the isolated output.
On the back side is one more isolated output panel jack and a direct output jack for EACH of the 4 channels plus ground lift switches for each back isolated split. The rear Direct Out jack is in parallel with the front Direct Out jack.
Physical properties are: The width is standard 19” rackmount. The height is 1 U (1 ¾”). The depth is 4” behind the rack ears. There are 4 nice little rubber feet on the bottom to help keep if from sliding around on a slick surface, or marring up something you set it on. Weight is 2.95 lbs. This is a passive device, so no active power is required. The chassis is heavy gauge steel and the front mounting plate is 0.075” extruded aluminum (no plastic here). As well as being durable, the all-metal construction further helps to reduce induced EMI into the unit. The panel jacks are constructed with plastic bodies, and the FXLR input panel jacks are constructed with spiral spring contact points with no locking device other than the solid fit of the spiral spring contacts.
- Make: EWI
- Model: MST-412-A
- Type: Rackmount 4 channel 3 Way Transformer XLR Splitter
- Channels: 4 x 3
- Inputs: 4ea. (1 per channel) 570 ohm balanced XLR
- Outputs: 16ea. (3 per channel) 1 Kohm ohm balanced XLR
- Split Voltage Loss: Less than 2.5dB @ 1KHz
- THD:
| The MX225 is designed for remote volume control of multiple amplifiers or powered speakers in a distributed audio system. Two stereo sources are available to each of five output zones. Each source input pair handles separate left and right balanced line level signals. Each output zone features independent level control from inputs 1 and 2, stereo/mono selector with mono indicator, LED level metering, and left and right balanced line level zone outputs. All audio connections are balanced XLR. The built in power supply and single high 19″ rack mount format allows for easy installation and reliable operation.
- 5 Zone mixer / distributor
- Adjusts volume of multiple amplifiers or active monitors separately
- Stereo/mono switch + clip and 5 segment LED on each zone
- Connectors: 4x line in XLR (2x L/R), 10x XLR Out (5x L/R)
- Dimensions: 482 x 152 x 44.5 mm (19"/1U)
- Weight: 2.4 kg
| XLR-F balanced (x4) |
| XLR-M balanced (x10) |
| 47k Ω |
| 200 Ω |
| .05% Typical |
| > 90dB typical |
| +20dBu |
| +24dBu balanced |
| +6DB |
| USA – 105 to 125 VAC / 50-60Hz, 15 W typical |
| 1.75″H x 19″W x 7.25.0″D (44.5mm x 483mm x 184mm) |
| 5.34 lbs (2.42 kg) |
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- With improved 192 kHz sample rate for the best sound reproduction.
- Supports uncompressed 2-channel LPCM (Linear Pulse Code Modulation) audio signals.
- Supports compressed 2-channel and multi-channel Dolby Digital and DTS audio signals.
- Ideal for presentation or distribution to another room.
- The optical (Toslink) digital audio splitter can split a single optical digital input to four outputs without delay or loss of quality.
- Supports the S/PDIF and Toslink standard.
Your TV has 1 Toslink output, but you use 4 amplifiers. This requires the Toslink cable to be split from 1 into 4. An additional amplifier could be, for example, a surround set, a sound bar of an amplifier in the kitchen
Connections
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| Audio input |
1 x Toslink (optical) |
| Audio output |
4 x Toslink (optical) |
Audio
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| Supported audio |
PCM2, Dolby Digital 5.1 and DTS |
| Sample rate |
32 kHz to 192 kHz |
General
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| Dimensions (h x w x d) |
24 x 46 x 46 mm |
| Weight |
22 grams |
| Ambient temperature |
+0 to +40 °C |
| Humidity |
10% to 85% |
| Power |
100-240 VAC 50/60 Hz, 5 VDC adapter |
| The PRMMS8 is an ultra low noise 8-channel microphone splitter providing a direct output and a transformer isolated output for each balanced XLR input. For extra flexibility, four front panel switches enable channel linking which permits routing a single input signal to multiple outputs feeding FOH, monitor, recording and broadcast mixing consoles, or merging two input signals into a single output. For use with condenser microphones, the direct outputs serve as a path for phantom power. Each channel includes a ground lift switch to eliminate hum and interference caused by ground loops between electronic equipment connected to the PRMMS8.332.
Number of split-outputs per canal
1
Transformer isolated outputs
Yes
Cabinet material
sheet steel
Cabinet surface
Powder coated
Guarantee : 60 Months |
About the DI6s
It's a fact of audio life that a lot of equipment that has to be connected to
professional audio systems isn't impedance or level compatible.
Interfaces Unlimited
Tape/cassette/DVD/CD decks, audio for video, drum machines, synthesizers,
bass guitars, computers; at some stage all these need linking up to Balanced
inputs, whether the application is Live sound, Studio or Broadcast.
To solve these problems, we've developed the DI-6s:
Six active D.I. (Direct Injection) boxes,
plus a 6 into 1 Line Mixer,
plus a 1 to 6 Splitter,
All of this in a compact, all steel 1 RU package.
A Pro Audio Toolbox
This unique and flexible audio toolbox allows Six independent unbalanced
audio sources to easily and quietly interface with Balanced pro audio systems,
either to individual channels or summed down to one Master output.
But that's not all. By pressing a single switch on the rear panel the DI6s will
change from being Direct Boxes and a Mixer to being a 6 way Splitter (line
distribution amplifier). Now it will split an incoming signal to 6 individual outputs
or zones.
On the front panel, each channel has 2 IN/OUT jacks, a level control from infinity
(off) through 0dB to +15dB gain, and a Clip indicator LED.The Master section has
a Master volume control and status LEDs indicating whether the unit is in DI or
Splitter mode. In addition, as on all ARX single rack unit equipment, each channel
has a numbered marker panel ('scribble strip') you can write on for easy confirmation
of channel assigns.
Balanced Outputs
On the rear, each channel has an XLR Balanced output, with associated Ground lift
switch and status LED, to isolate the chassis and electronic grounds.
The Master section has both Balanced XLR and Unbalanced Jack outputs. In addition
there is a Balanced XLR input with a switch to put the unit in either DI or Splitter mode.
Universal AC Power
AC power range is a universal 100 to 120V or 220 to 240V AC, and is connected to the
unit via a removable power lead and standard 3 pin IEC connector, with built-in fuse and
voltage change switch.
With so many handy functions, plus a true 'user friendly' layout, it's no wonder people call
the DI-6s 'A total Audio Patching System in 1 RU!'
You'll never compromise on Quality when you choose ARX
Features
Unique Pro Audio problem solver
Six Direct boxes, Splitter and Line Mixer in one unit
Multi mode unit: Six in, Six out; Six in, One out; One in, Six out
Individual Output Ground lift switches
Up to +15dB Gain available per channel
Balanced XLR Outputs; High Impedance Jack Ins and Outs
Flawless performance in any audio environment
T E C H N I C A L S P E C I F I C A T I O N S
Channels 1 - 6
High Z Input Impedance 2.2 Meg Ohm
Max Channel Gain 15dB
Clip LED Illuminates 1dB prior to clip
Direct Output Impedance 300 ohms Balanced
Max Input Level +20dB
Max Output Level +21dB
Signal to Noise -96dB(unity gain)
Frequency Response 20Hz to 20KHz, ±0.5dB
Distortion < 0.004%, 1KHz, +4dB
Output Connector 3 pin XLR
Master Section
Output Impedance 300 Ohms Balanced
Max Output Level +21dB
Signal to Noise -90dB (unity gain)
Frequency Response 10Hz to 20KHz, ±0.5dB
Distortion < 0.004%, 1KHz, +4dB
Output Connector 3 pin XLR
Splitter Section
Maximum Level + 20dB
Input Impedance 20 KOhms, Balanced
Input Connector XLR
Frequency Response 10Hz?20KHz ±0.5dB
AC Power 100-120, 220-240 V AC, 8 VA
Size 19?W x 6?D x 1??H, 482 x 155 x 44mm
Weight 2.2 Kg (5 lbs)
Front Panel Controls
Hi Impedance (Hi Z) insulated jack Input and Output
connectors
Level control with up to +15dB of Gain available
Clip LED indicator
Marker panels for labelling DI assigns
Master Level controls
Rear Panel
Balanced XLR Outputs
Individual Audio Ground Lift switches and status LEDs
XLR and jack Master Outputs
XLR Input for splitter
Splitter/DI + Mixer mode switch
AC input connector, with voltage switch and fuse. |
A passive dual channel line splitter that is mainly used to feed the left and right master outputs of a mixer into several inputs such as power amplifiers, recording machines etc. A specially designed audio frequency transformer maintains signal integrity and prevents ground loop hum. This unit also converts unbalanced signals into balanced signals and vice versa. Rugged diecast aluminium box.
Technical specifications:
2 channel micro splitter "1 into 3“, each channel with:
- Input: female XLR type with parallel male XLR Type
- Output 2 transformer isolated male XLR type outputs
- Transformer ratio 1 : 1 Nominal level: 0 dB, max. level +20 dB
- Nominal impedance input and output: 600 ohms
- Ground lift switch
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