PQS-302 User Manual
Contents
1. GERMAN DDD MANUFACTUR GMBH PHYSIKS PQS 302 User Manual This product complies with European Union EMC Directive 89 336 EEC and the Low Voltage Directive 73 23 EC German Physiks 2008 Revision a Released 28 May 2008 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 GERI AAT il DDD MANUFACTUR GMBH PHYSIKS TABLE OF CONTENTS Te INTRODUCTION wise 28 AE OR ET EE EO N 3 2 UNPACKING YOUR LOUDSPEAKERS esse ee ese ee ee se ee ese ee de ee ee se ee ee se ede ge ee ee eke Ge ee Aa Ge ee 3 3 ASSEMBLING YOUR LOUDSPEAKERS i iese sees ees ee ese ee ee ee ees ee ee ee ee ee ee ee ee ee ge ee ee ee ee ee ke eke ee 5 IPMFOGUCTION BAR ER OR N OE EE RE EL EE IE RI ieee 5 Assembly ies sell RE RE N EE ORE EE RR NE OE 6 4 LOUDSPEAKER PLACEMENT AND SET UP sesse sesse ese ee ees ee ee ee ee ee ee ee ee ee ge ee ee ee ee ee ee see ee ee ee ee ee 10 Listening Room Layout uie is ee EE aaa 10 Loudspeaker Placement EE ee ee ee se ee ke ee ee 10 Distance from thek ront Wallr ee ee ee ee ee 10 Distance from the Side Wall E EE 10 5 CONNECTING YOUR LOUDSPEAKERS sees esse 12 High Frequency Level Gontrol E ee ee ee ese ee ae 12 Low Frequency levellGonttol EE ee ese ee ese ee ae 12 Input Terminal Connections mo EE ee ese ee Se ee dee 13 Single Wire Connection i AR RM ee ee e2. 1 Place the left loudspeaker bottom plate on the floor in the position where the loudspeaker is to be sited Please refer to figure 9 for guidance on positioning Ensure that it is sitting squarely on all its support points and that it is level 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 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 of the lower module as shown in figure 4 Ensure that it is properly seated Figure 4 Lower Module with Distance Frame 6 GERMAN J e DDD MANUFACTUR GMBH PH YSIKS Figure 5 Fitting Upper Module and Connection Cables 4 The next operation must be carried out by two people You will need 4 of the black inter cabinet connecting cables ready to hand Identify the left loudspeaker upper module As with the lower module you may find it easier to handle if you remove the grills Place the module on top of the distance frame and ensure that it is properly seated One person should stand at the front of the loudspeaker and with their hands placed as shown in figure 5 carefully tilt the upper module forward over one edge sufficiently to allow the second person to fit the inter cabinet conn
3. In this case the red terminals on the DDD and woofer inputs will be connected together and the black terminals on the DDD and woofer inputs will be connected together These connections must be made using the special links provided Connect the loudspeaker cable to the woofer input terminals taking care to ensure that the woofer positive terminal is connected to the power amplifier positive output terminal and the woofer negative terminal is connected to the power amplifier negative output terminal An amplifier capable of delivering at least 150W into 4 ohms per channel should be used for each loudspeaker Bi Wire Connection In this method of connection the woofer and DDD inputs are connected to the power amplifier with separate loudspeaker cables Ensure that the links fitted between the woofer and DDD input terminals have been removed Connect one loudspeaker cable to the DDD driver input terminals taking care to ensure that the positive terminal is connected to the power amplifier positive output terminal and the negative terminal is connected to the power amplifier negative output terminal Connect the other loudspeaker cable to the woofer input terminals taking care to ensure that the woofer positive terminal is connected to the power amplifier positive output terminal and the woofer negative terminal is connected to the power amplifier negative output terminal An amplifier capable of delivering at least 150W into 4 ohms per channel sho
4. the base of the DDD tower Y over the locating disc on the bottom plate and ensure that it is sitting squarely Take great care not to damage the front of the lower bass module with the DDD tower as there is very little clearance between where the DDD tower fits and the bass module Offer up the top 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 Z Also take care the cables do not become pinched as the top plate is lowered onto the upper module and DDD tower me aa maa j ERI AAT i DDD MANUFACTUR GMBH PHYSIKS 4 LOUDSPEAKER PLACEMENT AND SET UP NOTE DO NOT place the loudspeakers close to cathode ray type monitors or projectors as the very powerful magnets used in the drivers may affect the picture We recommend a minimum separation of 2m The German Physiks PQS 302 is an extremely high performance loudspeaker and optimum performance will only be achieved when set up by a trained technician For this reason the supplying audio dealer will carry out the set up for the customer Listening Room Layout The following points will help you optimise your listening room layo
5. 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 information about the problem as possible 15 GERI AAI il e DDD MANUFACTUR GMBH PH YSIKS In the vast majority of cases the repair will be dealt with by sending spare parts from the factory In the unlikely even that it becomes necessary to return your loudspeakers or any part of them to the factory you will be given a Return Authorization RA number This number must be clearly marked on the outside of the packing Returns made without a RA number will not be accepted Any returned items must be shipped in the original packing German Physiks will not be responsible for any damage that occurs as a result of the use of non standard packing Returns received in non standard packing will be replaced with new packing at the owner s expense If you need new packing please contact your German Physiks dealer or the factory For items returned to the factory under warranty during the first year German Physiks will pay for the shipping charges both ways A shipping company approved by German Physiks must be used and the items will be returned to the customer using the same carrier or an equivalent service For loudspeakers returned to the factory under warranty after the first year the customer is responsible for paying all shipping and related ch
6. ANTY REGISTRATION In order to register your purchase and obtain the full 5 year warranty please complete the form below within 7 days of purchase and return it by post together with a copy of the receipt of purchase to DDD Manufactur GmbH Gutenbergstra e 4 D 63477 Maintal GERMANY Name Address Country Zip Post Code Model PQS 302 DDD Type Titanium Carbon Delete as necessary Serial Number See label under speaker Finish Date of Purchase Where Purchased Address Country Zip Post Code 18
7. B Flat 2dB and 4dB The centre frequency for this control is 8 000Hz To adjust the control pull the jumper out and then push it back into the appropriate pair of sockets For the initial setting of the loudspeaker this should be set to the Flat position The final setting should be made once the loudspeakers have been broken in and the final position in the listening room established We suggest that you experiment with different settings to determine which gives the most satisfactory frequency balance Low Frequency Level Control This adjusts the output from the woofers 3 settings are provided No jumpers fitted 10dB Red socket jumper only fitted 5dB Red and black socket jumpers fitted Flat The centre frequency for this control is 58Hz 12 ai ae mae j ERI AAT i DDD MANUFACTUR GMBH PHYSIKS Input Terminal Connections NOTE The loudspeaker terminals should be tightened as firmly as possible by hand Do not use pliers or any other tools as this may damage the terminals The provision of separate inputs for the low frequency and high frequency sections of the crossover allows the PQS 302 to be operated in 3 modes Single wire connection Bi wire connection Bi amp connection Single Wire Connection This is the most commonly used method of connecting a loudspeaker and power amplifier Only one loudspeaker cable is used for each loudspeaker The PQS 302 will be shipped configured for this mode of operation
8. LOUDSPEAKERS Introduction Because of the complexity of the PQS 302 customers are strongly requested not to attempt to assemble or set up the loudspeakers on their own These tasks will be carried out by the supplying dealer who has received detailed training from German Physiks engineers Many of the component parts are very heavy and personal injury could result if they are inappropriately lifted Component 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 will describe the assembly process for the left loudspeaker This has its two 8 inch drivers located on the right side of the woofer modules which can be identified by their larger grill covers as can be seen in figure 2 below l J _ f f 1 Left Speaker Right Speaker Figure 2 POS 302 Front View GERMAN J e DDD MANUFACTUR GMBH PH YSIKS Assembly Procedure
9. arges 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 the fault is judged to be due to misuse such as but not limited to burnt out voice coils and dents or scratches on driver diaphragms or cabinets Customers are responsible for all freight duties and related shipping charges for loudspeakers returned for non warranty repairs 11 HOW TO CONTACT US If you wish to get in touch with us please use the contact information shown below Please note that our office hours are from 9 30 a m to 5 00 p m Monday to Thursday excluding public holidays and that we cannot respond to enquiries outside of these hours We recommend that where ever possible you contact us by email as this will allow us to give your enquiry more consideration and thus provide a more detailed reply Address DDD Manufactur GmbH GutenbergstraBe 4 D 63477 Maintal GERMANY Telephone 49 61 09 50 29 823 Fax 49 61 09 50 29 826 Email service german physiks com Web www german physiks com 16 DDD MANUFACTUR GMBH VE RI ou J Er H YS I S HIGH END TECHNOLOGY 12 PQS 302 SPECIFICATIONS Version With Titanium DDD Drivers With Carbon DDD Drivers Imp
10. e Ke Ge AE ee 13 Bi Wire Gonnection ma N Vo BA ee ee ee Re ee AE Ge ee ee 13 Bi Amp Connection ad eee ME eene ee Re ee AA Re AR ee ee 13 6 REMOVING THE DDD SHIPPING COVERS eise ees ee ee ee ees ee ees ee eene ee ee ee ese ee ee ge ee ee ee ee ee ee eed ee ee ee 14 7 LOUDSPEAKER BREAK IN N Mee esse ee see esse ee ee se ee ee ee ee dee 14 8 CARE OFYOURIEOUDSPEAKERSA M A esse Re dees esse ee ee se ees se ee ee se ee ee edge 15 9 WARRANTY ME sesse sesse tn EE EE N sees DNE se ee ee ee ee AE Re Ee AE ee 15 10 SERVICE AND SUPPORT MR N N esse sesse sesse de ek one ee Ge ee AE Re AR Ke ee ee 15 11 HOW TO CONTACT US EE Me Mees ss N Se ae ee ee ee AE Re AR Ke ee 16 12 PQS 302 SPECIFICATIONS ES Mm GM Me sseeesss eek ee ee se es see AE Re ee Ke ee ee 17 13 WARRANTY REGISTRATION ES ME EK esse sesse sesse oe ee ee AE Re AR Ke ee 18 me aa m aa j ERI AAT i DDD MANUFACTUR GMBH PHYSIKS 1 INTRODUCTION Thank you for selecting the German Physiks PQS 302 for your audio system It uses an array of two DDD drivers to cover all frequencies above 170Hz The low frequencies are handled by a system using two 8 inch drivers each operating in its own bass reflex cabinet The PQS 302 is entirely handmade and is built and tested by highly skilled technicians at our factory in Germany Every step in the design and manufacture of this product has been dedicated to producing a loudspeaker that will prov
11. ecting 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 upright while taking care that none of the cables become pinched between the upper module and the distance frame Take great also that you do not trap any fingers under the module as it is put into position Replace any grills that have been removed GERMAN J e DDD MANUFACTUR GMBH PHYSIKS E O ee e Figure 6 Top Plate Cable Connection 5 Identify the left loudspeaker top plate and fit one black and one red cable to each pair of sockets as shown in figure 6 Figure 7 Top Plate Adjusting Screws 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 GERMAN J e DDD MANUFACTUR GMBH PH YSIKS lye Figure 8 Fitting the DDD Tower and Top Plate 6 Identify the DDD tower Referring to figure 8 carefully fit
12. edance 2 9 ohms at 26Hz 2 9 ohms at 26Hz Frequency Response 26 21 500Hz 26 24 000Hz Power Handling Nominal 400W 400W Short term 700W 700W Amplification required Crossover frequency Crossover slopes DDD section Woofer section High frequency adjustment Low frequency adjustment Sensitivity Maximum output level Operating principle Input connectors Drivers Dimensions Weight Warranty 1 power amplifier per channel Minimum power 150W 4 Ohms or 2 power amplifiers per channel DDD Section Minimum 100 watts into 4 ohms Woofer Minimum 120 watts into 4 ohms 170Hz 12dB octave electronic amp 21dB octave acoustic 18dB octave electronic amp 24dB octave acoustic 2dB Flat 2dB and 4dB Centre frequency 8 000Hz 10 dB 5 dB and Flat Centre frequency 58Hz 87 5dB for 1W at 1m 87 7dB for 1W at 1m 110dB 112dB 2 way loudspeaker using DDD Bending Wave Converters giving a 360 radiation pattern 2 sets of binding posts allowing bi amping and bi wiring 2 x Titanium DDD drivers 2 x 8 inch woofers 2 x Carbon DDD drivers 2 x 8 inch woofers 530mm W x 1 400mm H x 730mm D 20 9 W x 55 1 H x 28 7 D 115kg 253lbs Actual weight depends on detailed specification 5 years As part of our process of continually improving our products we reserve the right to change specifications without notice 17 ve IE RT MAI l DDD MANUFACTUR GMBH PHYSIKS 13 WARR
13. hey 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 loudspeakers have 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 10 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 are 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 service german physiks com You may also contact us via our web site at www german physiks com Please take into account time differences between Germany and where
14. ide a lifetime of musical enjoyment We strongly recommend that you read this manual before you attempt to use the loudspeakers The supplying audio dealer is responsible for assembling and setting up the loudspeakers This should not be attempted by the customer Information on these topics contained in this manual is intended for general use only 2 UNPACKING YOUR LOUDSPEAKERS NOTE The customer should not attempt to assemble the loudspeakers This will be done by the supplying audio dealer The crates and their contents are heavy To avoid injury please ensure that 2 people are available to unpack and position the loudspeakers The DDD drivers may be protected with clear film or cardboard covers We recommend that these be left in place until the loudspeakers have been placed in their final location so as to guard against accidental damage during handling The PQS 302 is supplied in 3 crates Before opening them please inspect them for damage If 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 These are marked left and right on the outside Take care not to mix components from these two crates up The two DDD towers are
15. out needing to raise your voice After this the loudspeakers may be played at normal listening levels The break in process will be complete after 200 to 300 hours 14 ea ATs AAT DDD MANUFACTUR GMBH PHYSIKS 8 CARE OF YOUR LOUDSPEAKERS NOTE NEVER attempt to open the cabinets There are no user serviceable parts inside the loudspeakers NEVER touch the diaphragms on the DDD drivers or allow any object to come into contact with the diaphragms NEVER attempt to clean dust off the diaphragms Dust has no affect on their performance and may be safely ignored NEVER attempt to clean the loudspeakers with any abrasive materials or any cleaners containing ammonia alcohol or other solvents as these may damage the finish The only maintenance the loudspeakers 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 your local German Physiks dealer national distributor or direct from German Physiks 9 WARRANTY These 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 T
16. packed together in the third crate Please retain all of the packing as you will need this should it be necessary in the future to ship the loudspeakers Should you need to return the loudspeakers to the factory you must use the original packing The use of any other packing may result in the loudspeakers sustaining damage in transit Such damage is not covered by the warranty Should you require replacement packing please contact your German Physiks dealer the national distributor or the factory directly DDD MANUFACTUR GMBH GERMAN PHYSIKS following items Item 1 2 3 4 5 6 7 8 9 immediately 6 DDD Tower Quantity 2 D PD PD PD P BAG Use Figure 1 to identify the major components of the loudspeaker and confirm that the crates contain the Description Bottom Plates Lower Modules Distance Frames Upper Modules Top Plates DDD Towers Inter Cabinet Connecting Cables User Manual Cleaning Cloths If any items are missing or show signs of damage please contact the supplying audio dealer Figure 1 PQS 302 Major Components 4 5 Top Plate 4 Upper Module 3 Distance Frame 2 Lower Module 1 Bottom Plate GERI MAT il DDD MANUFACTUR GMBH PHYSIKS 3 ASSEMBLING YOUR
17. placed closer than 1m from the front wall If the loudspeakers are too close to the front wall not only will the bass response be excessive but the stereo image will be degraded due to an increase in early reflections Aim to find a position that provides an even bass response combined with the best defined and most realistic stereo image when you are seated at the listening position Distance from the Side Wall We recommend that the distance of the listening position from the loudspeakers be 1 5 to 2 times the distance between the DDD towers Moving the loudspeakers further apart will degrade the stereo image We do not recommend placing the loudspeakers closer than 1m from the side walls as the early reflections will degrade the stereo image 10 DDD MANUFACTUR GMBH GERMAN PHYSIKS the same position Positioning the loudspeakers too close to the side walls will also lead to an uneven bass response Aim to find a position that provides an even bass response combined with the best defined and most realistic stereo image when you are seated at the listening position Figure 9 gives a general guide to loudspeaker 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 them towards the adjacent side wall
18. re conductors become tarnished NOTE Do not switch on the power amplifier until the DDD shipping covers have been removed as shown in section 6 6 REMOVING THE DDD SHIPPING COVERS NOTE Do NOT touch the DDD driver diaphragms If your loudspeakers are fitted with titanium DDD drivers these will be covered with either a layer of clear film or cardboard to protect them whilst in transit This should now be removed The film should be peeled off by hand Do not use a knife To remove the cardboard protector slit the adhesive tape securing it by sliding a short bladed knife between the two layers of cardboard whilst holding the knife as shown in figure 11 Do not cut in the way shown in figure 12 as there is a danger that you will cut the DDD driver diaphragm Figure 11 The Correct Way to Figure 12 The Wrong Way to Remove the DDD Driver Cover Remove the DDD Driver Cover 7 LOUDSPEAKER BREAK IN Like all audiophile equipment German Physiks loudspeakers require a break in period from new before they reach their optimum level of performance Initially the sound may seem harsh Please do not be concerned The sound will become more relaxed and smooth as the break in progresses The music used for the break in should be dynamic in order to properly exercise all the components of the loudspeakers For the first 10 hours play the loudspeakers at low level only This is a level where you would easily be able to carry out a conversation with
19. s while keeping the DDD tower centres in min 1 meter min 3 3 ft Position min 1 meter min 3 3 ft Listening min 1 meter distance d min 1 meter 15 to 2 times d Do not have the listening position closer than 1 2m from the rear wall Figure 9 Listening Room Arrangement 11 GERI AAT il al da DDD MANUFACTUR GMBH PHYSINS HIGH END TECHNOLOGY 5 CONNECTING YOUR LOUDSPEAKERS The German Physiks POS 302 is a 2 way loudspeaker with separate input terminals for the low frequency and high frequency sections of the crossover These drive the woofers and DDD drivers respectively and are labelled as such Provision is also made to allow the level of the low and high frequencies to be adjusted The input terminals and crossover adjustment points are located on a panel fitted on the back of the lower woofer cabinet Figure 10 identifies the features on this panel e e t High Frequency 2e O Oe gt Level Control High Frequency Level G e Low Frequency Level Control gt Low Freavency Le Crossover High Frequency Input for ___p Go ooo Ge DDD Driver sd fe Crossover Low G Frequency Input for _ WOOFER Ee Woofer To EA CE 6 6 Figure 10 Input Terminals and High Frequency Level Control High Frequency Level Control This adjusts the output from the DDD drivers 4 settings are provided 2d
20. uld be used for each loudspeaker 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 Connect one loudspeaker cable to the DDD driver input terminals taking care to ensure that the positive terminal is connected to the first power amplifier positive output terminal and the negative terminal is connected to the first power amplifier negative output terminal Connect the other loudspeaker cable to the woofer input terminals taking care to ensure that the woofer positive terminal is connected to the second power amplifier positive output terminal and the woofer negative terminal is connected to the second power amplifier negative output terminal 13 GERMAN DDD MANUFACTUR GMBH PHYSIKS An amplifier capable of delivering at least 120W into 4 ohms per channel should be used for the woofer input and one capable of delivering at least 100W into 4 ohms per channel should be used for the DDD input We recommend that you use loudspeaker cables terminated with high quality spade lugs as these provide the best electrical connection The lugs should be either soldered or crimped to the loudspeaker cable the latter is preferred We do not recommend the use of bare wire to connect to the loudspeaker terminals This produces an inferior connection that will further degrade as the ba
21. ut 1 The left and right sides of the room should be symmetrical If the room is asymmetrical this will degrade the quality of the stereo image This is because most of the sound energy that you hear is reflected before it reaches your ears 2 Place the loudspeakers symmetrically in the room i e the same distance from the centre line of the room and the same distance from the rear wall 3 Avoid placing the loudspeakers similar distances from the side and rear walls as this may lead to an uneven bass response 4 Avoid having any hard surfaces 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 unwanted early reflections 5 Avoid having the listening position closer than 1 2m from the rear wall as early reflections from this wall will degrade the stereo image Loudspeaker Placement Distance from the Front Wall We recommend that you start with the loudspeakers positioned 1 5m from the front wall As you move the loudspeakers closer to the wall the level of the bass response will be increased The converse will be true as you move the loudspeakers away from the front wall The PQS 302 should not be
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