adastra LS26 1:12 Line Splitter User Manual
- June 6, 2024
- Adastra
Table of Contents
adastra LS26 1:12 Line Splitter User Manual
Line Splitter 1:12 / 2:6
Caution: Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty
Introduction
Thank you for choosing the Adastra LS26 line splitter for your audio system. Please read this manual to gain the best results from your product and avoid damage through misuse.
SAFETY SYMBOL AND MESSAGE CONVENTIONS
Warning
To prevent the risk of fire or electric shock, do not expose any components to
rain or moisture.
If liquids enter the housing, stop using immediately, allow unit to dry out
and have checked by qualified personnel before further use. Avoid impact,
extreme pressure or heavy vibration to the case.
No user serviceable parts inside – Do not open the case – refer all servicing to qualified service personnel.
Safety
- This product is powered directly from the mains supply and should only be fitted by a qualified electrical installer.
Placement
- The LS26 is designed to be installed free-standing or in a standard 19” rack.
- Ensure that no heavy items are placed on top of the LS26, which may cause damage to the unit.
Cleaning
- Use a soft cloth with a neutral detergent to clean the housing as required.
- Do not use solvents for cleaning the unit.
Front Panel
- CHANNEL B volume controls (7 – 12)
- SIGNAL B input clip indicator
- MONO / STEREO mode indicators
- SIGNAL A input clip indicator
- CHANNEL A volume controls (1 – 6)
Rear Panel
6. CHANNEL A outputs 1 – 6 (6.3mm jack)
7. INPUT A (6.3mm jack)
8. MONO / STEREO mode switch
9. INPUT B (6.3mm jack)
10. CHANNEL B outputs 7 – 12 (6.3mm jack)
11. IEC mains inlet & fuse
12. Mains voltage selector
Applications
The LS26 is a signal distribution tool which can be used to split either 2 mono signals into 6 copies of each – or – a single mono signal into 12 copies of the original. These are boosted back up to line level and each given a volume control.
Applications for this function include…
- Zone level control for a venue with many rooms fed from the same stereo sound source (12 rooms for mono or 6 for stereo)
- Multi-amplifier signal distribution where amplifiers have no signal-through facility.
- Speech distribution to headphone amplifiers for interpreters/transcribers in conference situations.
- Multi-level parallel processing in a studio scenario – where several copies of the original are sent to various signal processors.
Connection
All connections are via unbalanced 6.3mm mono jack and operate at line level
(0.775Vrms @ 0dB). Use good quality screened jack leads to connect the input
signal to INPUT A and INPUT B (use only INPUT A if splitting a single mono
signal to 12 outputs). Connect each output to the respective amplifier (or
processor) input, again using good quality screened jack leads.
With amplifiers turned down, connect mains (ensuring correct supply voltage is
selected) using the supplier IEC mains lead.
Operation
Keep amplifier volume levels turned down. Select the mode – STEREO into 6 pairs of outputs or MONO into 12 outputs – on the MODE selector switch at the rear.
Check input signal(s) for gain level by playing the sound source into the
LS26. If the CLIP indicators light up, reduce the output level of the signal
source until the clipping is eliminated.
Bring the amplifier levels back up to the maximum required level (usually full
power) for the
speaker(s) being driven. Control each OUTPUT via the level controls on the
LS26 front panel accordingly. After use, turn amplifiers down before switching
off power to the LS26 to avoid loud noises through speakers.
Specifications
Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as Electrical or Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life. The goods must be disposed of according to your local council guidelines.
Errors and omissions excepted. Copyright© 2021.
AVSL Group Ltd. Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ
AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Park, New
Mallow Road, Cork, Ireland.
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