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7.   CARE OF YOUR LOUDSPEAKERS 

 

NOTE: 

NEVER  attempt  to  open  the  cabinets.  There  are  no  user 
serviceable parts inside the loudspeakers. 

 
 

NEVER  touch  the  diaphragm  on  the  DDD  driver,  or  allow 
any object to come into contact with the diaphragm.   

 

NEVER  attempt  to  clean  the  dust  off  the  diaphragm.    Dust 
has  no  affect  on  its  performance  and  may  be  safely 
ignored. 

 

 

NEVER  attempt  to  clean  the  speakers  with  any  abrasive 
materials  or  any  cleaners  containing  ammonia,  alcohol  or 
other solvents,

 

as these may damage the finish. 

 
The only maintenance the speakers will require is periodic dusting to remove dust and any finger prints 
from  the  cabinets.    Please  use  the  cleaning  cloths  supplied  with  the  loudspeakers.    These  cloths 
should  be  used  dry.  Do  not  use  any  form  of  liquid  with  them.    Additional  cloths  may  be  obtained  via 
local your German Physiks dealer, national distributor or direct from German Physiks. 
 
 

 8.   WARRANTY 

 

Your

 

German  Physiks  loudspeakers  are  warranted  to  be  free  from  defects  if  used  under  normal 

conditions for a period of 5 years from the date of purchase, provided that the customer registers their 
purchase by completing  and returning the registration form in this manual  within 7 days of purchase. 
They  must  also  return  a  copy  of  the  receipt  issued  at  the  time  of  purchase.    If  this  is  not  done  the 
warranty  period  will  be  5  years  from  the  date  of  shipment  from  the  factory.   This  warranty  is 
transferable to subsequent owners, who must register their purchase with us.   

Modifications or repairs performed by the factory, or by an authorised repair agent, shall be guaranteed 
for the remaining period of the warranty, or for 1 year, which ever is greater. 

Any  unauthorised  modifications  or  repairs  will  invalidate  the  warranty.   The  warranty  will  also  be 
invalidated if German Physiks determines that  the unit has  been subject to misuse including, but  not 
limited to, burnt out voice coils and dents or scratches on driver diaphragms or cabinets. 

There  is  no  other  express  warranty  on  German  Physiks  products.   This  warranty  shall  not  extend 
beyond  the  stated  warranty  period.   No  responsibility  is  assumed  for  incidental  or  consequential 
damage. 

 

 9.   SERVICE AND SUPPORT 
  

In the first instance please contact your local German Physiks dealer or distributor. They will diagnose 
the  fault  and  liaise  with  German  Physiks  to  decide  the  best  way  to  affect  a  repair.  If  they  unable  to 
assist you, please contact German Physiks by phone on + 49 61 09 50 29 823, by fax on   + 49  61 09  
50 29 826, or by email at [email protected]. You may also contact us via our web site at 
www.german-physiks.com.    Please  take  into  account  time  differences  between  Germany  and  where 
you  are  calling  from  should  you  need  to  phone  us.    Email  is  our  preferred  method  of  initial  contact.  
Please  supply  the  model  name  and  serial  numbers  of  your  loudspeakers  and  as much  detail  of  your 
problem as possible. 
 
 

Summary of Contents for PQS 402

Page 1: ...the Low Voltage Directive 73 23 EC German Physiks 2007 Revision o Released 20th October 2007 We reserve the right to change the information contained in this manual without notice For the latest version please see our web site at www german physiks com PQS 402 User Manual ...

Page 2: ...ontrol 10 Input Terminal Connections 11 Single Wire Connection 11 Bi Wire Connection 11 Bi Amp Connection 11 5 LOUDSPEAKER BREAK IN 11 6 LOUDSPEAKER PLACEMENT AND SET UP 12 Listening Room Layout 12 Loudspeaker Placement 12 Distance from rear wall 12 Distance from side wall 12 7 CARE OF YOUR LOUDSPEAKERS 14 8 WARRANTY 14 9 SERVICE AND SUPPORT 14 10 HOW TO CONTACT US 15 11 PQS 402 SPECIFICATIONS 16 ...

Page 3: ...f you see any damage to the crates please contact the supplying audio dealer immediately and provide them with a full description of the damage Do not attempt to unpack the loudspeakers until you have spoken with the dealer and have been advised how to proceed The woofer module assemblies for the left and right channels are packed in separate crates which are marked left and right on the outside T...

Page 4: ...4 1 Bottom Plate 2 Lower Module 3 Distance Frame 4 Upper Module 5 Top Plate 6 DDD Tower Figure 1 PQS 402 Major Components ...

Page 5: ...ent parts could also be damaged by inexpert handling and any resulting damage would not be covered by the warranty The following description of the assembly process is for general information only It is not intended to be used as a guide for assembling the loudspeakers as it has been simplified for the sake for clarity Please refer to figure 1 to familiarise yourself with the major components We w...

Page 6: ... Bottom Plate 2 Identify the left lower module This has the input terminals and level selectors on its rear face This module is very heavy and you may find it easier to grip if the woofer grills are removed first Place it carefully on top of the bottom plate as shown in figure 3 Ensure that it is properly seated 3 Replace any grills that have been removed and then place the distance frame on top o...

Page 7: ... the inter cabinet connecting cables between the two modules The upper module may be tilted forward on either edge Choose the one that is most convenient Take great care to ensure that it cannot slip forward whilst being tilted The sockets are colour coded Please ensure that all the cables are correctly connected When all the cables have been fitted slowly tilt the upper module until it is fully u...

Page 8: ... sockets as shown in figure 6 The top plate has 3 screws marked X in figure 7 which will be used by the dealer to adjust the module stack for any variation in verticality The customer should not attempt to adjust these Figure 6 Top Plate Cable Connection X X X Figure 7 Top Plate Adjusting Screws ...

Page 9: ...plate and plug the 4 connecting cables into their respective sockets on the top of the upper module and DDD tower These sockets are colour coded Please check that like colours are connected Carefully lower the top plate onto the upper module and DDD tower Take especial care that the locating disc on the top plate sits squarely inside the top of the DDD tower and is not simply resting on the point ...

Page 10: ...Control This adjusts the output from the DDD drivers 4 settings are provided 2dB Flat 2dB and 4dB For the initial setting of the speaker this should be set to the flat position To adjust the control pull the jumper out and then push it back into the appropriate pair of sockets The centre frequency for this control is 8 000Hz Low Frequency Level Control This adjusts the output from the woofers 3 se...

Page 11: ...D input terminals have been removed An amplifier capable of delivering at least 340W rms into 4 ohms per channel should be used for each speaker Bi Amp Connection In this method of connection the woofer and DDD inputs are driven by separate power amplifiers Ensure that the links fitted between the woofer and DDD input terminals have been removed An amplifier capable of delivering at least 200W rms...

Page 12: ...ces between your listening position and the loudspeakers This will generate additional reflections that may degrade the stereo image For this reason where ever possible equipment should be located at the side of the room If you have a hardwood floor it may be advantageous to place a carpet on the floor covering the area between the loudspeakers and the listening position as this will reduce unwant...

Page 13: ...o image when you are seated at the listening position Figure 10 gives a general guide to speaker positioning and the location of the listening position Note how the recommended listening position varies with the separation between the DDD towers and also how as the listening position is moved away from the loudspeakers the woofer modules need to be toed in by rotating the woofer modules towards th...

Page 14: ...ars from the date of shipment from the factory This warranty is transferable to subsequent owners who must register their purchase with us Modifications or repairs performed by the factory or by an authorised repair agent shall be guaranteed for the remaining period of the warranty or for 1 year which ever is greater Any unauthorised modifications or repairs will invalidate the warranty The warran...

Page 15: ...r the customer is responsible for paying all shipping and related charges back to the factory A shipping company approved by German Physiks must be used Providing this condition is met German Physiks will pay the cost of shipping the loudspeakers back to the customer German Physiks will not pay any shipping costs if a Loudspeakers or parts are returned without a RA number b No fault is found c If ...

Page 16: ...000Hz Low frequency adjustment 10 dB 5 dB and flat Centre frequency 60 Hz Sensitivity 88 4 dB for 1 watt a 1m 88 8 dB for 1 watt at 1m Maximum output level 112dB 118dB Operating principle 2 way speaker using DDD Bending Wave Converters giving a 360 radiation pattern Input connectors 2 sets of binding posts allowing bi amping and bi wiring Drivers 2 x Titanium DDD drivers 2 x 10 inch woofers 4 x pa...

Page 17: ...f purchase and return it by post together with a copy of the receipt of purchase to DDD Manufactur GmbH Gutenbergstraße 4 D 63477 Maintal GERMANY Name Address Country Zip Post Code Speaker Model German Physiks PQS 402 DDD Type Delete as necessary Titanium Carbon Serial Number Finish Date of Purchase Where Purchased Address Country Zip Post Code ...

Page 18: ...18 ...

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