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user guide

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Hand built by

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Summary of Contents for teenty sub

Page 1: ...user guide No Hand built by Date ...

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Page 3: ...e without notice PMC assumes no responsibility for any errors within this document CE Conformity PMC active loudspeakers conform to EC Directive LVD2006 95 EC and EMC 2004 108 EC WEEE European directive PMC is a member of a National Compliance scheme and has gained the associated certification of compliance from the Environment Agency with the registration WEEE GJ0101WU WEEE EU Directive This symb...

Page 4: ...g principles We believe that the same loudspeaker can be used throughout the entire audio chain from composer to studio or film stage post production or mastering and then finally the consumer Our unswerving passion for getting it right has made this goal possible Thank you for choosing PMC products It is now time for you to read the user guide install your new twenty series speakers and realise j...

Page 5: ...Stevie Wonder Coldplay Brian May Universal EMI Sony Pinewood Studios Dreamworks Capitol Studios and the BBC among the makers of movies and music who use our products Our loudspeakers were also used in the production of Titanic Spiderman III Iron Man 2 Finding Nemo Pirates of the Caribbean III and during broadcasts of the London Olympics 2012 EMI Stevie Wonder BBC Tony Bennett Prince Coldplay UNIVE...

Page 6: ...nsmission Line How it works System description Unpacking and care Resonance absorbing plinth installation guide Connections Positioning and alignment Operational controls User EQ options Integration Initial setup settings Running in Specifications Service The twenty series range Our meticulous care and attention Warranty on line Warranty certificate part 1 Warranty certificate part 2 Help us impro...

Page 7: ...r disposed of safely Tip Tip High volume audio signals however short their duration have the potential to cause hearing damage Use care when setting the system volume level to ensure playback sound pressure levels remain within safe comfortable limits Tip Tip Do not attempt to service the equipment There are no user serviceable parts inside Please refer all servicing to PMC authorised personnel Ti...

Page 8: ... volume are all adjustable as are the subwoofer s low pass filter slope and frequency Additionally the phase can be adjusted and a single parametric equaliser is provided to assist with in room alignment The analogue and digital outputs can be high pass filtered if required to feed satellite speakers in a 2 1 configuration This subwoofer builds upon PMC s world class design pedigree combining the ...

Page 9: ...aled and ported designs currently available elsewhere PMC s innovative approach places the bass drivers near one end of a long cavity the Advanced Transmission Line This cavity is heavily damped with acoustic material specified carefully to absorb the upper bass and higher frequencies radiating from the rear of the bass driver The lowest frequencies are allowed to pass down the line and emerge fro...

Page 10: ...ubwoofer as well as high pass filtering bass management options for the analogue and digital outputs It also provides non invasive excursion limiting to protect the drivers The DSP system generates three sets of outputs In addition to the digital output there are two separate D A converters One converter provides the analogue outputs while the other feeds a 400W Class D power amplifier connected t...

Page 11: ...st be earthed Care and Service In normal usage PMC speakers should provide many years of trouble free operation but in the unlikely event that you suspect damage or failure has occurred do not attempt to repair the unit yourself There are no user serviceable parts inside Contact your dealer for advice and a service return address Clean the cabinets with a dry and lint free cloth and avoid the use ...

Page 12: ...ten them gently using the allen key supplied until the heads of the bolts are flush with the plinth s surface Once the bolts are flush carefully tighten each bolt by half a turn N B Do not over tighten Over tightening will reduce the effect of the resonance absorbing material Fully thread each spike with one of the supplied lock nuts The spikes can then be attached to the plinth they should point ...

Page 13: ...cting or disconnecting your twenty active subwoofer Connections The rear panel of the twenty sub features the following connections Audio 2 x Balanced analogue XLR inputs If you are using an unbalanced Phono RCA analogue connection use the Phono RCA to XLR converters included 1 x AES3 digital balance input The balanced connections are wired pin 1 screen ground pin 2 positive and pin 3 negative The...

Page 14: ...ich gives the most uniform sound with minimal boomy or weak notes The subwoofer can then be relocated to the most uniform position Ideally this will be close to the front wall and somewhere between the two front speakers but not on the exact centre line Alignment tuning Once the optimal location has been decided the subwoofer s electrical tuning can be performed The first parameter to adjust is th...

Page 15: ...e equalisation set flat backlight timeout 2 minutes and the volume set to 20 5dB Factory Reset The factory default settings can quickly be restored by pressing and holding the Up and Down buttons simultaneously for more than 2 seconds Default Display With the loudspeaker switched on the LCD window normally indicates the current volume level and the selected low pass filter frequency and slope The ...

Page 16: ...n Phase Phase alignment from 0 to 180 degrees in 5 degree increments Paramtric EQ Switches single parametric EQ band Off or On PEQ Gain Adjusts parametric EQ gain 8 00dB to 7 87dB PEQ Frequency Adjusts parametric EQ centre frequency 20Hz to 150Hz PEQ Q Adjusts parametric EQ bandwidth Q 1 to 8 BL Timeout Sets the time after which the LCD backlight will switch off Options 30 sec 2 min 5 min off no t...

Page 17: ...ource Analogue Analogue AES3 Chan L R AES3 Chan Right AES3 Chan Left LR Out Level Fixed Variable Fixed LR Out Response Filtered Full Range Filtered LF Roll off Slope Off Off 18dB Oct 12dB Oct 6dB Oct LF Roll Off Freq 50Hz 50Hz 200Hz 150Hz PMC sub 120Hz Power Off Zzz 80Hz 1st amplifier in chain is master volume controller 2nd line of display shows LPF roll off frequency and slope in dB octave All m...

Page 18: ...ith a slope of 6 12 or 18dB per octave and with turnover frequencies of 50 80 120 150 or 200Hz as illustrated in this diagram When using the twenty active subwoofer with any other model from the twenty series range we recommend starting with a low pass filter setting of 80Hz However you may adjust this setting as room conditions and personal preferences dictate see pages 19 20 for initial set ups ...

Page 19: ...O USER SERVICEABLE PARTS INSIDE SERVICING BY AUTHORIZED PERSONNEL ONLY CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN PRECAUTION RISQUE DE CHOC ELECTRIQUE NAS PAS OUVRIR WARNING THIS ITEM IS CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEVELS WHICH COULD CAUSE PERMANENT HEARING DAMAGE DO NOT USE WITHOUT AN EARTHED MAINS CONNECTION DO NOT EXPOSE TO MOISTURE OR WATER designed made tested in the UK digita l ...

Page 20: ...THED MAINS CONNECTION DO NOT EXPOSE TO MOISTURE OR WATER designed made tested in the UK digita l i n a e s 3 analogu e i n r i g h t analogu e i n l e f t digita l o u t a e s 3 analogu e o u t r i g h t analogu e o u t l e f t TM Advanced Transmission Line L R L R Processor off on NO USER SERVICEABLE PARTS INSIDE SERVICING BY AUTHORIZED PERSONNEL ONLY CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN PR...

Page 21: ...oost of up to 7 87 and a cut of up to 8dB 8dB 0dB 8dB PEQ Gain 20Hz 150Hz Q 8 Q 1 PEQ Frequency 20Hz 150Hz Q 1 PEQ Frequency 65Hz 7 87dB MAX 0dB 8dB MIN PEQ Gain A separate high pass filter option is included for bass managment of the output signals which may be passed on to satellite loudspeakers The high pass filter turnover frequency and slope mirrors the selected low pass filter settings An ex...

Page 22: ... MIN PEQ Gain Q 8 20Hz 150Hz PEQ Frequency 65Hz 7 87dB MAX 0dB 8dB MIN PEQ Gain An example of a 7 87dB boost at 65Hz with a Q of 8 a narrow bandwidth boost at 65Hz An example of a 8dB cut at 65Hz with a Q of 1 a wide bandwidth cut at 65Hz An example of a 8dB cut at 65Hz with a Q of 8 a narrow bandwidth cut at 65Hz Tip ...

Page 23: ...antly after a short running in period The science is simple as the soft material surrounding the dome or woofer cone is flexed it will eventually reach a point where it has optimum compliancy allowing the drive unit to move more freely This translates to greater accuracy detail and speed of attack in the bass region and the mid and high frequency produces a far more vivid audio picture This short ...

Page 24: ... are simultaneously available regardless of selected source LCD 16x2 LCD display and four navigation buttons allow system configuration LCD Backlight Timeout 30 seconds 2 minutes 5 minutes or Off System Volume 48 5dB to 15dB Gain Trim 8 00dB to 7 87dB Analogue Input Sensitivity 4dB to 20dB default 12 5dB LFE 10dB Gain Mode Off On Source Selection Analogue AES3 Left Channel AES3 Right Channel AES3 ...

Page 25: ...Filtered Fullrange Amplifier Section 400W 4 Ohms driving two 8 Ohm bass drivers Mains Power IEC connector 90 132 180 264V AC 50 60Hz Auto sensing Usable Frequency Response 22Hz to 200Hz Effective TM Advanced Transmission Line Length 3m 9 8ft Drive units Two PMC doped 170mm drivers with cast alloy chassis Cabinet dimensions H 577mm 25mm spikes W 200mm D 516mm 10mm grille Weight 23kg ...

Page 26: ... originally included within the subwoofer For any issues that might arise or for advice and service requirements the primary point of contact should be your knowledgeable and authorised PMC dealer distributor If you do not have a local representative please see www pmc speakers com and click on where to buy Alternatively you can view our FAQ s Frequently Asked Questions and servicing section on ou...

Page 27: ...on using shared families of drive units and crossover designs As a direct consequence they all enjoy the same family characteristics of wide dispersion low distortion consistent voicing and an even bass response regardless of listening level This feature allows different sizes of monitors to be used in concert to create effective multichannel systems where space is at a premium The twenty series r...

Page 28: ...n ensure your purchase sounds identical to the original design Each completed loudspeaker then undergoes a set of objective and subjective measurements For example frequency response sweeps ensure that the unit meets our exacting performance criteria and critical listening tests are conducted against the reference model using a wide variety of audio material from a benchmark BBC speech recording t...

Page 29: ...s to the Internet please fill in the Warranty form on pages 31 and 32 and return to PMC PLEASE ACTIVATE YOUR 5 YEAR WARRANTY ON LINE Warranty on line GO TO WWW PMC SPEAKERS COM AND CLICK ON REGISTER A PRODUCT WARRANTY ON LINE ...

Page 30: ... line registration within ten days of purchase or receipt The warranty covers defects due to faulty materials or workmanship but does not cover defects arising from accidental damage misuse or wear and tear The warranty is void if any attempt has been made by persons not authorised by PMC to dismantle repair or modify any part of the product Products must be returned using original packing materia...

Page 31: ...mail address Your address Town County Postcode Zip code Warranty CERTIFICATE Part 2 Our Copy Please complete and return this section or simply complete the on line registration at www pmc speakers com and click on register product Help us improve our products see over ...

Page 32: ...s comments Please take a moment to help us improve If there is one thing we should change what would it be Help us Improve Your Comments What magazines do you read HiFi Pro Lifes style Online HiFi Choice Future Music T3 mixonline com What HiFi Sound on Sound Stuff gearslutz com Stereophile Audio Media GQ avreview co uk HiFi World Pro Sound News EVO techradar com HiFi Critic Resolution FHM HiFi Wig...

Page 33: ...e an identical replica of the reference model Tip Tip Inspection certificate Enclosure finish Assembly Wiring Driver Installation Enclosure seal Level Frequency Impedance frequency Listening test 1 Listening test 2 Final inspection Accessory pack User Guide All the above has been carefully checked by the builder of your twenty sub detailed on the front of this user guide ...

Page 34: ...Notes ...

Page 35: ... CE Directive LVD 73 23 EEC and EMC 89 336 EEC WEEE European directive PMC Limited is a member of a National Compliance scheme and have gained the associated certification of compliance and the following registration number from the Environment Agency WEEE GJ0101WU WEEE EU Directive This symbol on the product or in on its packaging indicates that this product must not be disposed of with other hou...

Page 36: ...T 44 0 870 444 1044 E sales pmc speakers com W www pmc speakers com Ref No 677 08 15 ...

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