Page 3
Page 1: ...t we were able to avoid the use of printed circuit boards which are not ideal for valve amplifiers despite their common use Although good frequency response low noise and distortion are important in a...
Page 2: ...Run 6 hour test Check inputs tape monitor Output Valve Bias level mv Sound Quality Channel Balance Valve Microphony Valve Seating Hum level left right mv RF Test Serial No sticker and recorded Mains v...
Page 3: ...Page 3...
Page 4: ...hi fi source e g pre amp or CD capable of 1 9v output The position of the volume control will vary with the input voltage of different units this has no effect upon performance 4 Things you must know...
Page 5: ...is lit up is not a guarantee that it is working properly conversely a valve that is not lit up will not be working Valve Replacement see also section 7 Valve life will depend upon such things as hours...
Page 6: ...See pics Making the earth connection 3 Checking You should get a reading of 500mv if valve is conducting correctly But bear in mind that mains voltage fluctuations can affect your readings up to 5 i e...
Page 7: ...ifiers or valves must be reported within three days of receipt Claims after this time will not be allowed This amplifier is designed for normal domestic hi fi use It is not designed or guaranteed for...
