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INSTRUCTION 

owner - manual

Assistent  50

Intergrated Stereo class -a tetrode tube amplifier

This handcrafted product was special made for your high demands,

to display the music on its  finest way.

We guarantee, that this amplifier was carefully produced 

and tested in all details.

_________________________________________________________

Congratulations 

on your decision to become the proud owner of the

 AUDIO VALVE  

Assistent 50

 amplifier.

Summary of Contents for Assistent 50

Page 1: ...s special made for your high demands to display the music on its finest way We guarantee that this amplifier was carefully produced and tested in all details _________________________________________________________ Congratulations on your decision to become the proud owner of the AUDIO VALVE Assistent 50 amplifier ...

Page 2: ...ate then continue all lifting from the bottom of the chassis List of contents Warning and precautions Front panel rear panel Drawing front panel Drawing rear panel Input output terminals Polarity phasing Installation and operation Automatic bias control ABR Specifications WARNING This amplifier Assistent 50 operates in class A and is therefore capable of generating a moderately high temperature wh...

Page 3: ...g on the Assistent 50 All handling at the open amplifier has to be done when the main power plug is disconnected Please notice that you never exceed the mains voltage in the prescribed value shown at the lable of the serial number on the rear side If you can t provide the amplifier with the exact shown main voltage please use a voltage stabilizer particulare for the US market and Mainland China Th...

Page 4: ...t panel of the Assistent 50 is spitted in 3 sections On the left side is the display for the 5 input sources The chosen input is indicated by a blue light When the Assistent 50 is in the Mute function this input sources is flashing In Stand By mode all input sources are dark The middle of the front is showing the Audio Valve Logo and is displaying in a blue light a s a the Assistent 50 is switched...

Page 5: ...ing darker while the motor potentiometer is turning REAR PANEL MAIN VOLTAGE and Main Power SWITCH The heavy duty rocker switch is on the rear side under the main plug and switches the mains power of the amplifier ON OFF When switching on the Assistent 50 the front logo in the middle of the plexiglass illuminates in red light This signal that the Assistent 50 is under main voltage but not in the op...

Page 6: ...terminal Connect your loudspeaker negative terminal to the output terminal POLARITY PHASING Quality of the connections must be examined to ensure a high performance trouble free operation is enjoyed Check that the connections are tight but do not overtighten with exessive use of spanners etc If bare wires are used make sure that no loose strands of wire short across to the other terminals or the a...

Page 7: ...the amplifier When operating the amplifiers quite a lot of heat is generated which should be allowed to dissipate without restriction Make sure that no objects are placed on the top of the amplifier Always ensure adequate ventilations MAIN POWER connection is via supplied plug in lead The standard IEC socket connects the mains power at the amplifier end while a local mains plug is required at the ...

Page 8: ... about a periode of 1 min the tube is heating in the meantime will come up and the display will very slowly gets blue shining After 1 min the plate voltage is loaded the display blue shining completely and the amp is out of the mute phase If you press ANY button during this peride the amp and you are confuse it will not start up AUTOMATIC BIAS CONTROL FUNCTION ABR Every QQE 03 12 power tube is con...

Page 9: ...te mode 80 watt in stand by mode Power 2 x 50 watt 8 ohm Inputs 1 5 outputs 1 rec out Efficency 0 dbm Damping 8 Input impedance 47 kOhm Harmonic distortion 0 3 20 watt s n ratio 86 dbm gain 25 db Bandwide 15 hz 70 khz Dimensions W 420 x H 155x D 320 mm Weight 18 kg Functions all be remote control Origin Germany tubes 2 pcs ECC82 2 pcs ECC 83 8 pcs QQE 03 12 RS 1029 or CV 2798 ...

Page 10: ...replace it provided that all conditions stipulated in this warranty are met In order to initiate service of any kind it is necessary to obtain distributor or dealer authorization prior to shipping the unit for service Any of the following conditions shall void the warranty Operation not in accordance with this manual Abuse accidental damage or unauthorized modifications as determined by AUDIOVALVE...

Page 11: ... on our webside MODEL _______________________________________________ SERIAL NUMBER _______________________________________ PURCHASE DATE ______________________________________ AUTHORIZED AUDIOVALVE DEALER PURCHASER S NAME ___________________________________ STREET ADDRESS ______________________________________ CITY __________________________________________________ ZIP POSTAL CODE _______________...

Page 12: ...Assistent 50 integrated tube amplifier_____________________ ...

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