Thule PR350 User's Manual
Contents
1. _______ _ S 16 6 4 CROSSOVEREREQUENCY 0555 16 6 55 16 6 6 DYNAMIC RANGE COMPRESSION 0 16 VOLUME SCAM nee ii c LI LE LM 17 6 8 SAVING SET UP PARAMETERS IN MEMORY eee ee 17 6 9 RETURN TO FACTORY n entente reet tette 18 18 6 1A SPDIF OUD REEERE 18 6 12 18 TECHNICAL SPECIFICATIONS siccsscsssessecensecessensecesseosesesseesesensesessvesocssssedssoedeesesuneasesseessseessesssesseesscescsesueassse 19 8 20 APPENDIX SPECIAL FUNCTIONS 21 COMMUNICATION BETWEEN PR350 AND IA PA350 250 21 OVERVIEW COMMUNICATION BETWEEN PR350 B 50 0000 0 0 22000000 22 A22. r 23 ELECTRICAL COAXIAL VERSUS OPTICAL DIGITAL INPUT 2 4001 042 44200 100000 ennt nennen enne 23 A 4 AUTOMATIC FAILURE CORRECTION 5 5 22 Manufactured under license from Dolby Laboratories Dolby ProLogic II and the double D symbol are trademarks of Dolby Laboratories Confidential unpublished works 1992 1997 Dolby Laboratories Inc All rights reserved Manufactured under license from Digital Theater Systems Inc US Pat No 5 451 942 5 956 674 5 974 380 5 978 762 and other world wide patents issued and pending DTS DTS ES Extended Surround and Neo 6 are trademarks of Digital Theater Systems Inc Copyright 1996 2000 Digital Theater Systems Inc All Rights Reserved Thule Audio ApS has the right to make changes without prior notice REMOTE CONTROL STBY MUTE standby mute 20dB increase volume DIM VOL change light return to master volume decrease volume left center right channel balance double push delay SL SUB SR surround left subwoofer surround right DVD SAT TV DVD player sattelite receiver TV set LD 1 2 laser disc audio video tape1 audio video tape2 received input status status PURE A pure audio input 4 change s
3. 5 ENA awug Ee 1no aa eya 195 uss xn ans us 6 qq B lt hi 1 zezsu aguS g ENS 5 Viv i 2 155 5 5 5 N E 255028 N X9 5 E m 9 lt 7 E A SA Olanv aund 6 3 ZH 09 09 A 062 022 g 0SEVd JOVIS TANNVHSNGS 2 olanv 51710 Es qe LA S OE D O L LO3NNOO LON 1 SINdLNO T 15 2 us 5 15 1 L INdNI TANNVHO 2 T3NNVHO IONN LON OG 390HS 21419313 40 NOILnVO 5210 9 palesu 00125 ououd yos YX A 2 A D level Except for the Pure Audio inputs all other analogue inputs will be converted to digital samples A D conversion by the built in 24 bit 96kHz high quality A D converter The digital audio samples are then used in the DSP circuit e g for further processing e g Dolby ProLogic However a fundamental problem by A D conversion is that the peak analogue input level s
4. and then press ENTER The saved parameters will be reloaded each time a surround mode is changed However intermediate settings made on the fly will be maintained for each surround mode until the PR350 B is powered off or set into standby page 17 6 9 Return to factory setting Each setting in the configuration menu will be stored even if the power is removed However if your entire set up doesn t work well it may be desirable to reload the original factory settings If this option is selected by the key the user will be asked SURE in the display If accepted the user must push the key Otherwise cancel by pushing or Please notice that delay and volume trim settings will be returned to their original settings with this command 6 10 OSD The information on the front panel display can also be displayed on the TV set or Projector On Screen Display by the built in video encoder When entering the config menu a full screen OSD is enabled which overrides other video sources In normal mode the OSD is mixed with the selected video signal The following settings are possible OSD is disabled OSD is enabled only by commands from the remote control factory setting OSD is enabled both by command from the remote control and front panel keys When no OSD is displayed the OSD circuit is automatically switched out of the video signal path to obtain full bandwidth of
5. 448 kbit sec 768k 768 kbit sec only DTS 1411k 1411 kbit sec only DTS 1532k 1532 kbit sec only DTS If only two audio channels are active in the received Dolby Digital bitstream 2 0 the input is assumed to be Dolby ProLogic Il if indicated in the bitstream otherwise as two channel stereo In case of only two audio channels are active the user can toggle between STEHEO and Dolby ProLogic by an additional short push on the SURROUND key In this case both the Dolby Digital and Stereo or the Dolby Digital and Dolby ProLogic II indicators are turned on See further information about ProLogic below The normal display returns after 15 sec from last push on SURROUND or by pushing the 2 VOL key 5 2 DTS Generally DTS offer the same information and possibilities as described above for Dolby Digital But DTS also contains additional possibilities as described in the following Several new DTS formats are supported DTS 24bit The DTS encoding resolution is indicated at DTS lock on second line E g 768k 24 means a 768kHz transmission bitrate with a 24bit encoding resolution PR350 B offer extended precision decoding of DTS 24bit stream to take full advantage of this increased resolution This improves dynamic range for DTS 24bit of up to 117dBA which is fully comparable with DVD Audio But DTS 24bit stream can be played on normal DVD Video players Several mainstream DVD Video disc s ar
6. 70 MHz for maximum video quality 6 11 SPDIF OUT In this menu you can select what channels should be send to the optical digital output The sample rate will change with different sources e g analog input and DTS 96kHz will output 96kHz while normal DVD is 48kHz The receiver should be able to handle the different sample rates 6 12 ProLogic Il In this menu it is possible to select the default setting of ProLogic II for each input You can choose between movie and music mode depending on what type of material is commonly used page 18 TECHNICAL SPECIFICATIONS Max analog output voltage 8V phono 16V XLR Analog inputs to DSP 4 Phono THD Pure Audio input 2V out 0 00296 Digital inputs to DSP 4 Electrical THD A D inputs 0 dB 0 00496 2 Opto THD digital inputs 0 dB 44kHz PCM 0 00396 Pure Audio inputs 3Pho 1 XLR Dynamic range L R XLR out 24bit 117dBA S Video inputs 5 S VHS Dynamic range SL SR C SUB out 115dBA Video composite inputs 5 Phono Frequency response 20 20k Hz lt 0 S Video outputs 2 S VHS Size W x D x H weight Configuration DATA I O STBY Configuration DATA I O RS232 pin Video composite outputs 2 Phono 420 x 300 x 90mm 6 5 kg Data for communication with other Thule Audio Equipment Clock for communication with other Thule Audio Equipment No connection Analogue Ground 12V Operate output e g to turn on projector 5V Standby output No conn
7. SR delay SR distance x 3 3 8 2 1 3 5 1ms C delay L Cdistance x3 3 8 2 9 x 3 2 7ms SC delay L Cdistance x8 3 8 1 8 x3 6ms or when the distance is measured in feet SL delay L SL distance 11 4 6 3 5 1ms SR delay H SR distance 11 4 6 3 5 1ms C delay L C distance 11 4 8 7 2 ms SC delay L SC distance 11 4 5 4 6ms In this example we would set the delay to SL 5 0ms C 3 0ms SH 5 0ms SC 6 0ms The above calculations for delay are based on the physical installation and should be stored as the initial settings in the memory banks see section 5 However at Thule Audio s experience the delay could be further increased about 0 3 milliseconds in the surround speakers from the above calculations to obtain a more realistic surround sound image For each surround mode the preferred settings should be stored in the memory banks for automatic reload page 10 The user may still prefer to change delays during playback of a movie based on subjective preference in a specific movie Hence the delay can also be set on the fly The intermediate delay settings will return to the default settings stored in the memory banks when the PR350 B is set into standby or powered off 5 Surround Modes The actual surround mode of the PR350 B is always indicated in the display Possible input types Stereo analogue input PCM or Dolby Digital 2 0 bitstream Dolby ProLogic anal
8. the listening position SSL reserved for future upgrade Output L channel SSR reserved for future upgrade Output R channel page 6 0 Installation Place the amplifier on a hard flat surface The ventilation holes should not be covered There has to be at least 5 cm 2 inches free air on top of the amplifier To ensure long and trouble free operation we recommend Do not expose the amplifier to direct sunlight Do not place the amplifier in warm or dusty environments Caution Because of risk of fire or electric shock do not expose the amplifier to rain or moisture Caution Because of risk of electric shock do not open the amplifier 1 Input selection The input selection is very flexible so it can suit many different home theatre and stereo installations It is possible to switch between seven different inputs which are directly accessed by keys on the front panel or on the remote control Each input can be configured in different ways shown below with an X The factory settings are marked with brackets Changes to this setting can be made under the config input menu awe __ m x i Ie wwa Pe x x x x x x pc x De The Pure Audio input can be either XLR or 6 channel RCA phono input For the audio signals one of four options in the upper three rows must be selected under the config in
9. 0 channels with 0 5dB adjustment step and 10088 range Delay adjustment for center surround left surround right and surround center channels Common delay Lip sync for all channels up to 5ms Direct key access to input selection Most inputs can be assigned as analogue electrical digital or optical digital Sensitivity for analogue inputs to DSP is adjusted automatically for improved dynamic range Test Noise signal in all channels including subwoofer to set up volume trim video and composite video switching with 7OMHz bandwidth Video encoder with On Screen Display OSD which is automatically bypassed when not used Flexible speaker settings with extensive bass management Adjustable crossover frequency 60 120Hz for bass management Dynamic range compression for both DTS and Dolby Digital e g for improved performance in noisy environments Each feature is described further in the next pages page 5 Following formats are used Cursive text indicates display readout e g CONFIG Key type is indicated with e g ENTER key Stereo speakers L left speaker R right speaker Surround speakers center speaker placed in front of the listening position SL surround left speaker placed rear left of the listening position SR surround right speaker placed rear right of the listening position Extended surround speakers SC surround center speaker placed back of
10. Ihute AUDIO Owners manual SPACE PR350 B OVERVIEW OF REMOTE 4 0 1 4 02 212000 1000 000 00 001040010004 so Pee esee eee ea ee eese aee a 2 OVERVIEW OF REAR AND FRONT PANEL 400 3 OVERVIEW OF CONTROL PANEL AND DISPLAY eae s esee n esee esas ea 4 CONGRATULATIONS WITH YOUR NEW PREAMPLIFIER PROCESSOR SPACE PR350 B 5 0 REESE TION rP 7 7 2 VOLUME 5 21520 V OSEE sossesdcedbesesssessesossessssddsosdscessebesesss 8 LONE A 9 A 9 S SURROUND MODES e 11 5d DOLBY DIGITAL RISE Edad de dece ted RARI MMC 12 5 3 Er vere cbe e ee e dieron ete cbe ite BE eae 13 5 4 AND ANALOGUE INPUTS crror bern vele cbe rite dee derit des ee dis vue ceo euh 13 OR CON CES LOI 14 6202 e 14 6 2 NR EM 16
11. ayed because this input bypasses the DSP circuits The normal display returns after 15 sec from last push on SURROUND MODE or by pushing the 2 VOL key 6 Config menu The config menu is activated by pushing CONFIG on the remote control or holding the key in for 2 seconds on the front panel Navigation through the config menu with the remote control is possible with the arrows 1 sub menu is entered by pushing gt Options are selected by pushing enter Selected options are underlined on the front panel display and highlighted on the OSD screen Exit from sub menu is done with lt It is also possible to navigate in the config menu with the front panel keys as these keys are reassigned in the config mode Vie R SL enter SUB It is possible to exit the config menu by additional pushes on the key or one push on the key The config menu has two pages page 2 is displayed by additional push on the ff or key In the config sub menus several settings are possible as described in the following paragraphs 6 1 Speakers The SPACE PR350 B contains extensive bass management adjustments so that the bass signal can be re routed to those loudspeakers capable of handling the low frequency information page 14 The following selections can be made in the config speaker menu by using naviga tion keys described above Left
12. e already encoded with DTS 24bit e g Pearl Harbour Jurassic Park III Gladiator Bowfinger and The Haunting DTS ES 6 1 Discrete and DTS ES 6 1 Matrix Some DTS disc s are encoded with a discrete center surround channel called 6 1 Discrete If such DVD disc s are played PR350B will indicate ES S 8 1 at lock on This means three front channels L C R and three surround channels SL SC SR are present in the DTS stream If 6 1 Discrete is enabled under the config extended surround menu the PR350B will automatically activate the extended surround channel SC Examples of DTS ES 6 1 Discrete DVD disc s are Gladiator and The Haunting A few other DVD disc are encoded with DTS ES 6 1 Matrix where the extended surround channel SC is generated by a matrix process on the surround channels SL and SR An example of DTS ES 6 1 Matrix disc is Terminator special edition page 12 DTS 6 1 Compatible This DTS mode is actually identical to DTS ES 6 1 Matrix as described above but by enabling this mode the user choose always to activate the matrix process on the SL and SR to generate the SC channel DTS 6 1 Compatible will work on Dolby Digital 5 1 streams too Try out e g the Black Hawk Down disc If the installation contains three surround channels 6 1 Compatible will improve the surround experience on nearly all 5 1 encoded music and movie CD DVD disc s Also 6 1 Compatible will generate the same so
13. ear please change to optical digital connection A 4 Automatic failure correction system A special watch dog will monitor the operation of the DSP Digital Signal Processor If any external disturbances like lightning or burst transients on the Mains connection or static discharge causes the DSP to crash the DSP will automatically be reset for correct operation This is done in a fraction of a second and only a short dropout in the sound can be heard During standby the entire system in PR350 B is reset If any problem occurs with the operation of PR350 B set the unit into standby shortly If standby do not cure the problem please turn off and turn on the Mains switch on the rear side With the many possible settings in PR350 B itis possible to select a setting which do not match the installed system and cause misoperation If misoperation is observed and standby operate command does not help then run the factory default in the config menu followed by standby operate command page 23
14. ection Analogue Ground must be connected to analogue ground to prevent analogue digital ground loops Data for communication with other Thule Audio Equipment Clock for communication with other Thule Audio Equipment No connection No connection RX RS232 No connection TX RS232 Analogue Ground must be connected to analogue ground to prevent analogue digital ground loops Thule Audio reserve the right to alter specifications and design without notice page 19 7 0 Your notes In this section you can fill in your own settings for the Space PR350 B so you always have them if you by mistake erase them E L letmain R Right main main ProLogic Il 5 size ms MEER Trim dB 1 _ enne A I E SR Surround igh E Digital Speaker size Delay ms Volume Trim dB Lema 1 Cf ea O SL Swmudlef SR Surround rig SC Surround Cente page 20 APPENDIX Special Functions A 1 Communication between PR350 B and IA PA350 B PA250 B It is possible to remote control the functions the IA250 B or the PA250 B so that the operational mode of PA IA250 B always will follow the operational mode of the PR350 B Following functions in the PA IA250 B can be remote contro
15. euueuo punouns 5 AV IdSIC z 7 sjueusnipy Z3NOZ punouns oi6010Jd gjog Toi oeJejs Z 034316 punouns Josues 0 00L jeuonouny punouns qpuejs Congratulations with your new Preamplifier Processor SPACE PR350 The SPACE PR350 B contains advanced technology for an outstanding range of features and sound performance We are sure that the PR350 will give you long lasting pleasure To give you full benefit from this advanced product please read this manual carefully before you proceed The SPACE PR350 B contains following features Pure analogue input with 6 channels and true balanced signal path in the L and R channels 32 96 kHz PCM stereo 96kHz Dolby ProLogic decoding Dolby Digital decoding with auto detection DTS 5 1 DTS 6 1 discrete DTS 6 1 matrix and DTS 24bit 96kHz decoding with auto detection Extended precision decoder improves dynamic range for 24bit DTS up to 117dBA New 56367 Motorola DSP with 160 MIPS Million Instructions Per Second Upgradable design for coming sound formats 5pcs Burr Brown 24bit 192kHz D A converters True differential D A conversion in all channels Direct key access to channel trim adjustments with 0 5dB adjustment step Precision volume control for all 1
16. herefore decide Select L and R L R C SL SR in Pro Logic to be SMALL Then the low frequencies will be send to the subwoofer by the bassmanagement The crossover frequency is set in the config cross freq menu or b Select L and R or L R C SL SR in Pro Logic to be LARGE and then select Subwoofer max bass ON in the config cross freq menu In this case the full range summed mono signal from the other channels will be send to the subwoofer The implication of b is that double bass is present in the system That means the user should eventually chose a lower gain setting for the subwoofer e g 4 to 8 dB depending on the sensitivity of the subwoofer relative to the other speakers The b situation can be useful in situations where the L R speakers can handle deep bass information and extra bass is required If the L and R speakers are not so well suited for the lowest frequencies then chose eventually with lowest 60Hz cross over frequency page 15 Further the Subwoofer max bass be selected in the Dolby Digital DTS mode if extra bass is required The Subwoofer max bass setting will be stored in the memory bank and can therefore be set individually for each surround mode 6 2 Inputs Assignment of socket for each input can be selected in this menu as previously described in section 1 6 3 Noise If different speakers are used or the distance from the listening position t
17. hould be as close as possible to the maximum input range of the A D converter otherwise the important dynamic range will degraded On the other hand the peak analogue level must in no circumstances exceed the maximum analogue limit for the A D converter or very hard clipping will occur In the PR350 B is included an autogain feature which operates in the following way when an input is selected initially the high sensitivity position is selected for best dynamic range If clipping occur the sensitivity is automatically reduced During changes in sensitivity a small click can be heard Electrical coaxial versus optical digital input Normally the coaxial connection between e g DVD and Processor has been preferred by hifi enthusiasts due to larger bandwidth and consequently less jitter on the receiver side However with the increasing complication of a surround system with integrated analog digital and video signals it is easy to create disturbances and ground problems in the system To avoid such problems the digital coaxial inputs of PR350B has been designed with a special floating ground system On the other hand the optical transmitters and receivers in PR350B is a new type with much increased bandwidth of 13MHz compared to the normal 7MHz type This eliminates most problems with the optical connection and the advantage with full galvanic isolation is clear If any problems in the system with ground loops or disturbances app
18. ings but it is also a matter of taste if it is used For each input the user can decide by default if Music or Movie mode or no ProLogic 1 is activated under the config ProLogic menu The surround mode can toggled between STEREO and Dolby ProLogic Il by an additional short push on the SURROUND key As a unique feature in PR350 B ProLogic II is supported for 96kHz sample rate This is useful as the high quality A D converter in PR350 B operates at 96kHz and also some DVD s operate at 96kHz 5 4 PCM and analogue inputs An analogue input is present if the letters is indicated after the source name e g LD ANLG A POM input is present if a Dolby Digital or DTS stream is not auto detected for a digital input COAX or OPTO page 13 An analogue or input stream contains information about the surround mode therefore STEREO is selected as default if ProLogic Il is not selected under the config ProLogic menu By pushing the SURROUND key for more than one second or STATUS on the remote control information about received bitstream will be displayed e g PCM The PR350 B can receive PCM inputs with sampling rates from 32kHz up to 96kHz For analogue inputs going through the DSP PCM will also be displayed because the digital data from the analogue to digital converter A D is in PCM format with 96 kHz sampling rate For the PURE AUDIO input only ANALOG is displ
19. lled by the PR350 B two channel operation multi channel operation DIM display light Enter STBY Enter operational mode For communication connect data cable between DATA port 1 or 2 of the PR350 B and the data port on the PA IA350 B Connect a pair of XLR cables between the two units And connect 5 6 phono cables between L R SL SR C SC of the 2 units See the figure next page about cable configuration Turn on both units By first command from PR350 B e g by switching to multi channel operation the PA IA350B will now slave the functions of the PR350 B and thereby choose the right operational mode When the PR350 B is in multichannel mode DTS Dolby Digital or ProLogic II the PA IA250 is set into 5 6 channel mode with 5 6x 120W output using the 6 5 1 input connected to the 6 5 1 output in the PR350 6 5 phono cables When the PR350 B is in stereo mode the PA IA350B is set into 2 channel mode with 2x 350W output using the balanced interconnection for a fully balanced signal path Please notice To avoid that ground fields are disturbing the phono connections all the cables including XLR cables between the PR350B and or other power amplifier should lay closely together Use e g cable binders to collect the cables page 21 ANY NOILVOINPIWINOO ii 511410
20. o each speaker is different the perceived sound level at the listening position from each speaker will change By selecting the NO SE option a noise signal is sent to each activated speaker The noise signal will cycle around and the user should set the level for each speaker to obtain equal sound level at the listening position A sound pressure level meter can be used if required use the C weighted setting and hold the meter away from the body Exit from noise test push or VOL keys 6 4 Crossover frequency A very useful feature is the Cross frequency setting If a speaker is selected as small the low frequency content is sent to the Subwoofer and or L R speakers The corresponding crossover frequency is selected under the config cross freq menu Small surround speakers could be selected as high as 120Hz but larger speaker should be 60Hz 6 5 Extended Surround In this menu you can enable DTS ES 6 1 Discrete Matrix and DTS 6 1 Compatible Please refer to Surround mode section for explanations 6 6 Dynamic range compression When playing in a noisy environment it may be desirable to boost the low level signals to be able to hear the low level signals at realistic average sound levels e g the sound of the leave rustling in the wind Further the low level boost can increase understanding of speech especially in noisy environments It may also be desirable to limit the peak sound level not to disturb neighbours a
21. ogue input PCM or Dolby Digital 2 0 bitstream Dolby Digital Dolby Digital 5 1 bitstream DTS DTS bitstream 5 1 ES 6 1 discrete or 96kHz 5 1 5 1 Dolby Digital If a Dolby Digital 5 1 surround bitstream is detected the PR350 B will automatically switch to Dolby Digital surround and the Dolby Digital indicator will light up By pushing the SURROUND MODE key on the front panel or mode on the remote control information about which outputs can be expected to be active are indicated thus L left speaker R right speaker C center speaker SC surround center speaker SL surround left speaker SR surround right speaker SW subwoofer The number of active outputs will depend on which speakers are activated in the config speaker and config extended surround menu received input type analogue POM Dolby Digital bitstream or DTS bitstream and eventually the selected surround mode By pushing the SURROUND MODE key for more than one second information about the received bitstream will be displayed Active audio channels in the received bitstream 2 0 L R are present 2 1 L R S are present 2 2 L R SL SR present 3 0 L R C are present 3 1 L R S present 3 2 L R SL SR C are present If not all speakers are selected under the config speaker menu down mixing will occur page 11 And the transmission rate of the received bitstream 32k 32 kbit sec 448k
22. old down the DVD knob on remote or frontpanel approx 1 sec Then the ZONE2 indicator becomes active Possible inputs are SAT ANLG TV ANLG LD ANLG TAPE1 ANLG Z1 gt 22 Input selected in the main zone is played in zone 2 Even if an input is defined as digital in the main zone the analog option is chosen in zone 2 The operation returns to the main zone 15 sec after the last adjustment in zone 2 or by pushing the 2 VOL key 4 Delay To experience the best surround sound quality it is important that the sound signal from all the speakers arrives at the same time at the listening position If the listening position is placed closer to the rear surround speakers the sound from these speakers will arrive earlier at the listening position In this case it is necessary to delay the sound slightly from the rear speakers The important issue here is the difference in distance from the listening position to the front and rear speakers The same problem arises for the center speaker if it is placed closer to the listening position than the front speakers On some video sources the video is delayed compared to the audio due to video processing To compensate for video delay it is possible to delay all audio channels up to 5ms This common delay is called Lip sync The delays set directly from the front panel keys by pushing the SL SR or C keys for more than two seconds or double push on the same knobs on the rem
23. ote control The display corresponds shortly with the message DELAY and afterwards the delay setting for the selected channel is displayed e g SL 5 0ms Subsequently the delay of the extended surround channel SC and Sync can be selected by using the arrow keys The delay can then be changed in steps of 1 0ms by turning the volume knob or pressing the VOL fl or VOL U key on the remote control The normal display returns after 15 seconds from last change or by pushing the key The setting is expressed in milliseconds but the delay can be calculated from the physical distance page 9 A sound wave travels at approx 340 meter sec which is equivalent to 1 foot in 1 millisecond Or 1 meter in 3 milliseconds Following example demonstrate how to calculate the delay setting for SL SR SC and C From the listening position to each speaker we measure following distances Example Your measurements Listening position lt gt Left speaker 3 8 m 2 11 4 ft Listening position lt gt Right speaker 3 8 m 2 11 4 ft Listening position lt gt Center speaker 2 9m 8 7 ft Listening position lt gt Left surround speaker 2 1 6 3 ft Listening position lt gt Right surr speaker 2 1m 6 3 ft Listening position lt gt Center surr speaker 1 8 6 3 ft The delays when measuring the distance in meters then calculated as SL delay L SL distance 3 3 8 2 1 x3 5 1ms
24. put menu The S video and Composite video switching works in parallel and the final selection between S video and Composite video must be issued at the TV set or projector The Pure Audio input can be selected as both XLR balanced or unbalanced phono input A short push on the PURE AUDIO key selects the XLR input By holding down this button down for more than one second or double push on the remote control you select the Pure Audio phono input The Pure Audio input will bypass the DSP circuits and is recommended for high quality music listening in stereo e g from CD player or other analogue source Alternatively for high quality music listening in stereo connect the digital output from a CD player or DVD player to one of the available digital inputs in the PR350 B and use the balanced 24bit D A conversion for R channels built into the PR350 B The Space PR350 B is also optimised for D A conversion of the 24bit 96kHz stereo DVD disc s with music page 7 2 Volume controls The master volume level is set by rotating the volume knob on the front panel or by using the VOL fl or VOL key on the remote control page 8 3 Zone 2 With zone 2 it is possible to redirect the sound to other audio systems e g placed in kitchen or bedrooms The zone 2 has separate volume control and input selector Adjustments for zone 2 are achieved by holding down the same input knob as currently selected E g when DVD input is selected h
25. speaker L SMALL or LARGE Right speaker R SMALL or LARGE Center speaker C SMALL or LARGE or OFF Surround left speaker SL SMALL or LARGE or OFF Surround right speaker SR SMALL or LARGE or OFF Subwoofer SUB ON or OFF The bass signal directed to speakers selected as SMALL will be re routed to the subwoofer or the L R speakers bass management If a speaker is turned off the sound signal will be sent to the remaining speakers which are selected as active down mixing Special attention should be given to the subwoofer management For Dolby Digital 3 2 and DTS input stream a special low frequency channel LFE is normally included which is indicated with a 1 after the input stream indication e g 3 2 1 The LFE channel produces an output at the subwoofer That means even if all speakers are chosen LARGE where no signal is send to the subwoofer by the bass management signal will be send to the Subwoofer from the LFE input channel For Stereo and ProLogic no LFE channel is present And if all speakers are chosen LARGE the bass management does not send any signal to the subwoofer In this case to have a subwoofer signal the user can select the subwoofer max bass ON option under the config cross freq menu In this case PR250 B takes the summed full range signal from the L and R channels and send to the subwoofer In case of using subwoofer subwoofer is activated in Stereo and Pro Logic mode the user should t
26. t night The following settings are possible DYNAMIC DTS Dolby Digital High level limit 0 0 disable high level limit function 0 1 0 2 0 4 0 6 1 0 maximise high level limit function page 16 DYNAMIC LO Dolby Digital Low level boost 0 0 disable low level boost 1 0 maximise low level boost 6 7 Volume scale It is possible to select two volume level settings a progressive step size where step size is large at low levels for rapid setting and small at normal listening levels or a fixed 0 5 step size The progressive step size will be most convenient for most users and is therefore called normal and selected as default while the fixed step size is called full normal 0 0 5 0 10 0 15 0 20 0 22 0 24 0 38 0 40 0 41 0 42 0 68 0 69 0 70 0 70 5 71 0 71 5 99 5 100 full fixed 0 5 dB step size from 0 0 to 100 200 steps 6 8 Saving set up parameters in memory In the menu MEM BANK it is possible to store the set up parameters in four memory banks one for each surround mode Stereo ProLogic Dolby Digital and DTS Following parameters are saved Channel volume trims L C R SL SR SUB and LFE Channel delay SL SR C SC Speaker configuration When you have completed your settings for one of the four above mentioned modes you can save your settings by choosing the correct memory bank Stereo ProLogic Il Dolby Digital or DTS by pressing
27. und information in the SC channel as the THX Surround EX process In this case the user should enable both 6 1 Discrete Matrix and 6 1 Compatible under the config extended surround menu DTS 96kHz DTS offer a new format also supported by PR350 B where D A conversion takes place at 96kHz The encoding resolution is also 24bit thus the format is normally referred to as DTS 24 96 PR350 B will automatically detect this type of bitstream and display 96k 5 1 No interaction from the user is necessary The 6 1 Compatible mode is automatically disabled and no sound comes from the SC channel in 96kHz mode The Queen A night at the opera CD in DTS 24 96 demonstrates the usefulness of this format The DTS 24 96 format is compatible in performance with DVD Audio but can be played on normal CD or DVD video players 5 3 Dolby ProLogic The PR350 B support the new format ProLogic II which generate surround and center channels from a normal stereo signal Compared with the conventional ProLogic the new ProLogic among other things offers separate SL and SR channels with full bandwidth information PR350 B supports separate music and movie mode for ProLogic The normal movie mode concentrate to much information in the center channel for music therefore the special music mode spread out the music in the center channel to the L amp R speakers Thule Audio finds the music mode very useful especially for some live record
28. urround mode MODE v CONFIG enter config mode ENS navigate in config menu TANVd I3NVd LNO Yd 9000 90020200 0060060000 obed ass TANVd uj jeuueuo usnd 296 2 YORSUDE urew jeuueuo punouns usnd poys WS cede 2 34 1 eoue eq 341 usndoesz 915 Bijuoo 1e3ue usnd oes Z 10 4 usndoesz 15 pied eoue eq Jejoowqns usnd poys usnd poys ysnd poys sai ns qi SIG Jojueo uoneuuojJul usnd 295 z oipne eund hd LYS jeuueuo ye punouns usnd 2esZ 15 punouns usnd poys 5 e punoJins usnd poys us ans 15 9 e 5 Oo I ABIS olanv qi LVS ALNAN 3Wfd O O O L 34 1 AL 34 1 S AL AL dn Je ejd Aejap usnd 29527 eoue eq jeuueuo usnd poys WJ9l 1 j
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