Audio Valve Avalon Instruction Manual Download Page 3

 
 
 
 
 

 

 

WARNING

 

 
This amplifier 

AVALON

 operates in 

class - A 

and is  

therefore capable of generating a moderately high temperatue 
 which requires carefull placing to aviod any effect this heat 
 may have on other equipment, funiture and fittings etc. 
 
 
Do not remove the top cover from this amplifier.  
Hazardous voltages are present. Any repair work should  
be referered to a suitable qualified and experienced  
service person. 
 
 
Do not attempt to connect any input of this amplifier to  
any of its outputs. 
 
 
Do not earth any output terminal or connect any of these 
terminals together without following the instructions in  
this manual or seeking qualified assistance. 
 
 
Do not place this amplifier in any position where liquids 
or any foreign material may accidentally enter it. 
 
 
Do not disconnect any in / output wire, while the amplifier is  
operating. 
 
 
Do not connect any voltage source short circut, earth / ground  
or appliance (other than suitable HiFi quality loudspeakers ) 
 to any output terminal. 
 
 
Some preamplifiers, prossesors, CD players etc. produce  
large switching pulses when switched on, causing a loud  
click through the loudspeakers. For this reason, turn on  
all other equipment in your system and operate the  
Stand - by mode of the amplifier before turning on the Challenger. 
 
Note: the 

AVALON

 power amplifier do not cause this problem. 

 

 
 
 

Summary of Contents for Avalon

Page 1: ...______________________ This handcrafted product was special made for your high demands to display the music on ist finest way We guarantee that this amplifier was carefully produced and tested in all details _____________________________________________________________________ ...

Page 2: ...sic This hand build instrument should give a lifetime of pleasure and with a little care and a full understanding of the operation recommendation in this manual the AVALON should provide trouble free performance Please take time to read this manual thoroughly before using your amplifier List of contents Warning and precautions page 3 Front panel rear panel page 4 Drawing front panel page 4 a Drawi...

Page 3: ... together without following the instructions in this manual or seeking qualified assistance Do not place this amplifier in any position where liquids or any foreign material may accidentally enter it Do not disconnect any in output wire while the amplifier is operating Do not connect any voltage source short circut earth ground or appliance other than suitable HiFi quality loudspeakers to any outp...

Page 4: ...y STAND BY SWITCH This switch on the left of the panel alters the operation STAND BY of the amplifier Switch down is operation STAND BY the LED is off REAR PANEL The facilities on the rear panel of the AVALON may seem not so complex The rear panel incorporates all of the terminals for connecting the input signals and the output signals to the loadspeaker A reasonable understanding of this amplifie...

Page 5: ... the wiring constructions above each power amplifier loudspeaker combination should be in phase If you experience a poor stereo image and or a lack of bass check that the loudspeaker wiring has been connect correctly We recommend that you use one of the easily obtainable test disc to help you ensure both phasing and channel orientation are correct If in doupt consult your Audio Valve dealer for ad...

Page 6: ...RCA Mainplug Fuse 8 ohm 4 ohm Speaker ...

Page 7: ...s MAINS LINE POWER connection is via supplied plug in lead The standart IEC socket connects the mains power at the amplifier end while a local mains plug is required at the wall end In the event where a local plug needs to be fitted to the wall end of the lead ensure the at the plugs is wired correctly by a suitable qualified or experienced person Ensure the main switch of the front of this amplif...

Page 8: ...any of the power tubes is faulty the LED which are together at the side of the power tubes immidiatly indicated If this happens you have to change the power tube of this place After changing the power tube the LED must be off again Please notice All handling at the open amplifier has to be done when the main power plug is disconnected When the amplifier is driven in a very high level output there ...

Page 9: ... Stand by mode 30 Watt max short circuit current 15 ampere between 2 ohm terminals input sen 0 dBm adjustable by resistor trimmer input imp 1 47K output imp 2 4 8 ohm connectors RCA input jacket power bandwide 5 40 000 hz distortion 0 3 50 Watt 8 ohm load damping 40 bias half autom with LED shinning by bad power tube size 32 220 20 cm D H W weight 22 pounds Stand by mode switchable ...

Page 10: ...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 AUDIO VALVE or its agents exclusively R...

Page 11: ..._________ SERIAL NUMBER _______________________________________ PURCHASE DATE ______________________________________ AUTHORIZED AUDIO VALVE DEALER PURCHASER S NAME ___________________________________ STREET ADDRESS ______________________________________ CITY __________________________________________________ ZIP POSTAL CODE _____________________________________ Send to ...

Page 12: ...8 pcs EL 84 12AX7 12AU7 Pc board top side Input sensitivity Rf bandwide Input stage Driver stage ...

Page 13: ......

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