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INTRODUCTION

Thank you for choosing the 

ART48-MASTER X

 module. This high-end Class-A output unit offers 

all  the  essential  features  required  in  a  smaller  mixer  configuration,  along  with  six  separately 

controllable AUX SENDS for greater output flexibility. Fully compatible with all existing Arthur 48 

and X mixer modules, MASTER X is ideally suited to both live sound use and studio applications 

where more output options are required. The module can also be combined with another Arthur48 

L/R Master unit. As a further option, any or all of the main L/R and AUX outputs can be equipped 

with transformers to customize the output sound.

Like  all  Arthur  modules,  MASTER  X  features  circuits  that  are  built  using  single,  discrete  Class-A 

electronic components and pure high-voltage DC-amps (without a single capacitor in the signal path), 

offering 30 dB headroom and low noise, as well as unparalleled stability, warmth and transparency.

To make the most of your MASTER X module and to ensure trouble-free operation, 

please read 

this manual carefully

 before using the unit for the first time. It’s also advisable to retain the 

manual for future reference.

For instructions on installing and combining the various Arthur modules and advice 

on starting up the mixer, please read the separate ART48 ASSEMBLY manual.

SAFETY FIRST!

Safety is of major importance when operating any electrical equipment, so please note the following:

On  a  product,  a  lightning  flash  within  a  triangle  indicates  the 

presence of uninsulated “dangerous voltage” within the product 

enclosure.  This  may  be  of  sufficient  magnitude  to  cause  risk  of 

electric shock. 

ELECTRICAL SAFETY 

This information applies to all modules and power supplies that form your ARTHUR mixer:

 

Before connecting your mixer to the mains, make sure that the mains voltage does not exceed 

the voltage specified on the mixer/power supply.

 

Do not use your mixer if its power supply, cable or plug are not in perfect condition. Replace 

these as necessary, using the exact models/types specified. If any fixed cables need replacing, 

this should be done by a suitably qualified professional. 

 

Your mixer should only be connected to a mains socket with a ground protection system.

 

When setting up or installing your mixer, make sure that the mains socket and the power supply’s 

mains cable and plug are easily accessible.

 

Do not, under any circumstances, defeat the safety purpose of the polarized or grounding-type 

plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has 

two blades and a third grounding prong. The wide blade and third prong are provided for your 

safety. If the supplied plug does not fit your mains socket, consult an electrician for replacement 

of the obsolete socket. 

 

Do not expose your mixer to rain or any other water (even in small amounts). Do not use the 

mixer near water.

 

Avoid spilling drinks or any other liquids on the mixer.

IMPORTANT SAFETY INFORMATION

Содержание ARTHUR ART48-MASTER

Страница 1: ...ACOUSTIC FIDELITY arthur FORMAT48 MASTER X USER MANUAL V1 ...

Страница 2: ...lectrical equipment so please note the following On a product a lightning flash within a triangle indicates the presence of uninsulated dangerous voltage within the product enclosure This may be of sufficient magnitude to cause risk of electric shock ELECTRICAL SAFETY This information applies to all modules and power supplies that form your ARTHUR mixer Before connecting your mixer to the mains ma...

Страница 3: ... your mixer near power transformers TV sets RF transmitters electric motors or any other sources of electrical energy To avoid potential accidents only use attachments accessories and other equipment such as carts stands tripods brackets or cases that are specified or recommended by the manufacturer or sold with your mixer Loud volume levels can cause irreparable damage to hearing so avoid the fol...

Страница 4: ...below 7 AUX XLR output connectors and 8 Selector buttons From these AUX outputs signal is sent to external effects or stage monitors You can choose which AUX signal is seen on the VU meter by selecting the relevant AUX to phones and ART48 MASTER X AUX meter button These buttons are also used to select which AUX signal can be sent to the Phones output see 9 below This enables more than one AUX sign...

Страница 5: ...ever to avoid any possible ground loop noises the GND LIFT button ART48 MASTER X disconnects the ground from all audio output ground connector contacts XLR and jacks If you have customized your Master X with transformers on the outputs see the section on Customization it is better to always keep the ground connection lifted in order to get the most noiseless audio signal CUSTOMIZATION Thanks to it...

Страница 6: ... loudspeakers for A B comparison Even on a standard mixer a second master output could be helpful for controlling a subsidiary part of the PA system or side fills for example The mixer s structure only allows for one summing amp which will sum all L and R signals coming from the BUS The Master X unit features a white switch positioned on the circuit board to deactivate that summing function If you...

Страница 7: ...ART48 MASTER X SIGNAL FLOW TECHNICAL INFORMATION ...

Страница 8: ...on THD N 1 kHz 30 dBu input level 0 dBu output level PFL balanced 1 4 jack output Output impedance Maximum output level Maximum Gain Frequency response 3 dB Distortion THD N 1 kHz 30 dBu input level 0 dBu output level With transformer 150 ohm 30 dBu 10 Hz 50 kHz 0 075 Total 0 08 2nd harm 0 005 3rd harm 0 0008 4th harm 0 001 5th harm 180 ohm 30 dBu 10 dB 10 Hz 50 kHz 0 05 180 ohm 24 dBu 9 dB 10 Hz ...

Страница 9: ...u input level 0 dBu output level Power consumption Size weight Optional Transformers Lundahl Turns ratio No load impedance Frequency response 10 dBu 6 ohm 14 5 dBu 9 dB 10 Hz 55 kHz 0 05 380 mA Transformerless 460 mA Full transformers 143x58x475mm 1 65 kg Transformerless 2 4 kg Full Transformers 1 1 1 1 700 ohm 50 Hz 20 dBU 20 Hz 80 kHz 0 3 dB ...

Страница 10: ...NOTES ...

Страница 11: ...applicable here TRADEMARKS The SCHERTLER name and logo are registered trade names trademarks of SCHERTLER S A Switzerland All SCHERTLER products use proprietary technology and are covered by one or more worldwide patents DISCLAIMER All information and technical specifications published here are based on data that was available at the time of publication Schertler is however constantly aiming to im...

Страница 12: ......

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