background image

 

RM Series User Manual 

Introduction 

 

Thank you for choosing the Adastra RM-series rackmount 100V amplifier as part of your public address system. This 

amplifier is designed to offer high quality, dependable service for mobile and installed systems. Please read this manual 
fully and follow the instructions to achieve the best results with your new purchase and to avoid damage through misuse. 

 

SAFETY SYMBOL AND MESSAGE CONVENTIONS 

 

 

CAUTION 

RISK OF ELECTRIC SHOCK 

DO NOT OPEN 

AVIS 

RISQUE DE CHOC ELECTRIQUE NE PAS 

OUVRIR 

 

 

 

 

 

 

This symbol indicates that dangerous voltage constituting a risk of electric shock is 

present within this unit

 

 

 

 

This symbol indicates that there are important operating and maintenance instructions in 

the literature accompanying this unit.

 

 

 

SAFETY NOTICE 

 

1.

 

Prior to use, read through this manual

 

2.

 

Keep the manual in good condition 

3.

 

Pay attention to safety warnings 

4.

 

Observe all operating requirements 

5.

 

Do not use the device near water or wet areas 

6.

 

For cleaning, only use a lint-free, dry cloth 

7.

 

Install according to the specifications 

8.

 

Place away from heat sources or heating appliances 

9.

 

Use mains lead provided and avoid damage to cable or connectors 

10.

 

Unplug power from mains during stormy weather or if unused for long periods 

11.

 

In case of malfunction, water ingress or other damage, consult qualified service personnel 

12.

 

Do not place in damp areas or near liquids or moisture. Do not spill liquids on the housing 

13.

 

Please pay attention to warning symbols during transit and placement 

14.

 

Terminals marked with the   symbol are HAZARDOUS LIVE and should only be connected by qualified personnel 

15.

 

Ensure that the apparatus is connected to a mains socket with a protective EARTH connection 

16.

 

Ensure correct operation of the mains switch 

 

Warning 

 

To prevent the risk of fire or electric shock, do not expose any components to rain or moisture. 
If liquids are spilled on the casing, 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 

 

 

Check for correct mains voltage and condition of IEC lead before connecting to power outlet 

 

Use double insulated speaker wire with adequate current rating for 100V speaker connections 

 

Only use one type of output – i.e. 8Ω or 100V – do not mix or combine these outputs on a single zone or output 

 

Do not connect 8Ω speakers to the 100V terminal or 100V speakers to the 8Ω terminal 

 

Do not allow any foreign objects to enter the case or through the ventilation grilles 

 

Placement 

 

 

Keep out of direct sunlight and away from heat sources 

 

Keep away from damp or dusty environments 

 

For rack-mounting, use the rack ears provided and ensure adequate support for the weight of the amplifier 

 

Ensure adequate air-flow and do not cover cooling vents at the front and rear of the amplifier 

 

Ensure adequate access to controls and connections 

 

Cleaning 

 

 

Use a soft cloth with a neutral detergent to clean the casing as required 

 

Use a vacuum cleaner to clear ventilation grilles of any dust or debris build-ups  

 

Do not use strong solvents for cleaning the unit 

Summary of Contents for RM series

Page 1: ...Rackmount 100V mixer amplifiers with Bluetooth Item ref 953 113UK 953 114UK 953 115UK User Manual Caution Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty ...

Page 2: ...ment 14 Terminals marked with the symbol are HAZARDOUS LIVE and should only be connected by qualified personnel 15 Ensure that the apparatus is connected to a mains socket with a protective EARTH connection 16 Ensure correct operation of the mains switch Warning To prevent the risk of fire or electric shock do not expose any components to rain or moisture If liquids are spilled on the casing stop ...

Page 3: ...amplifier is powered up may cause loud transient noises which can damage the speakers 1 USB SD FM BT media player 7 BASS EQ control 2 MIC 1 volume control 8 TREBLE EQ control 3 MIC LINE 2 volume control 9 MASTER volume control 4 MIC LINE 3 volume control 10 VU level meter 5 LINE 4 volume control 11 POWER on off switch 6 LN5 USB volume control 12 Speaker zone selector buttons RM240SB only 13 Mains ...

Page 4: ... LINE 4 21 and LINE 5 20 connectors on the rear panel using good quality RCA leads Since RM series amplifiers have a mono output stereo signals will be summed together Further mixer amplifiers or slave amplifiers can be connected from the rear LINE OUT sockets again using a good quality RCA lead This output carries the full mix of all channels 1 5 as produced through the speakers Speaker outputs T...

Page 5: ... the RM series amplifiers can provide an output for a single 8Ω speaker by connecting the 8Ω terminal 16 to the positive speaker connection and COM terminal 15 to the negative speaker connection It is important to ensure that the speaker load is no less than 8Ω and that the power handling of the speaker is equal to or greater than the output power of the amplifier Do not use 8Ω and 100V at the sam...

Page 6: ...be reduced in volume automatically when speaking into MIC 1 In addition to channel and MASTER volume controls there are BASS and TREBLE EQ controls to adjust the tone of the overall output At the 12 o clock position these controls are applying no effect to the signal no boost or cut Moving the BASS control clockwise boosts the low frequencies in the audio whilst moving it anticlockwise will cut th...

Page 7: ... stations press the Previous or Next buttons Holding the Previous track or Next track buttons will adjust the output volume of the player USB SD player When a USB memory stick is inserted into the USB port 9 or SD card into the SD slot 3 the USB or SD symbol will show in the display and any compressed audio files will start to play automatically The last connected media will take priority If playb...

Page 8: ...th range 5 10m Check that adastra is the connected device If there are more than one adastra devices check each in turn If one of many adastra devices rename it on the sending device No audio from Bluetooth device Ensure that volume controls are not turned down on sending device Check volume and Play Pause buttons in case Bluetooth is muted Output too loud or distorted Reduce MIC LINE IN USB SD an...

Reviews: