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 Conrad-Johnson LP260m mono-

block power amplifier Owner’s Manual

2

Limited Warranty For Conrad-Johnson Components

Conrad-Johnson Design, Inc. will provide service under warranty to
the original owner on products sold new in the United States for the
lesser  period  of  three  years from  the  date  of  purchase  by  the
original  purchaser,  or  five  years  from  the  date  of  shipment  to  the
authorized  conrad-johnson  dealer.  During  the  warranty  period,
conrad-johnson  will  repair  defective  units  without  charge  for  labor
or parts (with the exception of vacuum tubes and batteries).

Exclusions. The following are not covered under this warranty:

a) Units which have been damaged by misuse, abuse, or
accident.
b) Units which have been modified, altered, or improperly
repaired by anyone not specifically authorized by conrad-
johnson design, inc.
c) Units not purchased from an authorized conrad-johnson
dealer in the United States for use in the United States.
d) Normal wear
e) Incidental or consequential damages are not covered under
this warranty. Some states do not allow the exclusion of
incidental or consequential damages, so this exclusion may not
apply to you.

Obtaining  Warranty  Service:  To  obtain  warranty  service,  the  unit
must  be  shipped,  along  with  evidence  of  purchase,  in  factory
packing  to  conrad-johnson  design  (or  designated  service  center)
with  freight  and  insurance  prepaid  by  the  owner.  After  repair,  the
unit will be returned with freight and insurance prepaid by conrad-
johnson design to any destination in the United States.

All  implied  warranties,  including  merchantability  and  fitness  for  a
particular  purpose  are  limited  in  duration  to  the  duration  of  this
express  warranty.  Some  states  do  not  allow  limitations  on  the
duration  of  implied  warranties  so  the  above  limitations  may  not
apply to you.

This  warranty  gives  you  specific  legal  rights  and  you  may  also
have other rights which vary from state to state.

Summary of Contents for LP260M

Page 1: ...Conrad Johnson Owner s Manual LP260M Mono block Power Amplifier conrad johnson It just sounds right ...

Page 2: ...ny years to come Accordingly circuit designs parts and materials for all conrad johnson products are selected with a view to maintaining optimal performance over the years Our reputation for producing among the industry s most reliable components is a natural consequence of this engineering approach Although operation of the LP260m mono block power amplifier is quite straightforward please take a ...

Page 3: ... authorized conrad johnson dealer in the United States for use in the United States d Normal wear e Incidental or consequential damages are not covered under this warranty Some states do not allow the exclusion of incidental or consequential damages so this exclusion may not apply to you Obtaining Warranty Service To obtain warranty service the unit must be shipped along with evidence of purchase ...

Page 4: ...The conrad johnson service department can also be reached by e mail at service conradjohnson com by phone at 703 698 8581 or by fax at 703 560 5360 Service If your conrad johnson audio component requires service repack it using the original box and packing material and ship to the Service Department address above Boxes and packing materials can be purchased through our service department if you no...

Page 5: ...re has been taken in the design of the LP260m mono block power amplifier to minimize its susceptibility to radio frequency interference and other forms of EMI Choice of materials physical layout grounding practice and power supply design have all been specified with a view to reducing the impact of electromagnetic fields on the performance of this unit At the same time however our primary goal is ...

Page 6: ...stem the two channels should be connected in correct relative phase This means that when the same signal is applied to both channels the right and left channels speaker diaphragms will move synchronously in and out together Terminals on speakers are usually coded one designated C ground or black the other designated or red In phase connection of the speakers can normally be achieved by taking care...

Page 7: ...ono block power amplifier We highly recommend that you purchase replacement tube sets from conrad johnson design We anticipate tube life to accommodate two to three years of operation without degradation in normal use if the amplifier is switched off when not in use If it is left on at all times tube life can be exhausted in a matter of a few months The LP260m mono block power amplifier has been d...

Page 8: ...should be performed whenever the amplifier s output tubes are replaced and after each six months of average use PLATE FUSE Your LP260m mono block power amplifier has been fitted with a plate supply fuse 5x20mm 2Amp fast blow ceramic that is installed to protect the amplifier circuitry in the event of output tube failure The fuse holder is physically located inside the amplifier in fuse clips on th...

Page 9: ...by moving in they create a fall in pressure and the system is said to be phase inverting Each component in the stereo system either preserves the phase of the incoming signal and is said to be phase correct or inverts the phase and is said to be phase inverting It is unimportant whether an individual component is phase correct or phase inverting as long as the system as a whole is phase correct Th...

Page 10: ...system dependent those that are top ranked on one system may be a poor choice for a different system Consult your conrad johnson dealer for recommendations for your specific system Performance Tip Warm up the LP260m mono block power amplifier before listening The sonic performance of the LP260m mono block power amplifier improves noticeably as the unit warms up The midrange becomes more lucid the ...

Page 11: ...n a compartment in the ac line cord receptacle mounted on the back of the amplifier and by four separate internal fuses on the secondary circuits of the transformer F1 F4 located on the bottom of the pc board A failure of any of these fuses is a symptom of a more serious problem and a competent service technician should be consulted In no event should fuses be replaced with a value or type differe...

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