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PMC teenty sub User Manual

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  • Page 1 user guide Hand built by Date...
  • Page 3 PMC stock code: 14838 Ref. no - 677 This document should not be construed as a commitment on the part of PMC. The information it contains is subject to change without notice. PMC assumes no responsibility for any errors within this document.
  • Page 4 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 just how much you’ve been missing.
  • Page 5 Congratulations - You have joined the elite PMC: the authority for quality sound. Prince Over more than two decades PMC has UNIVERSAL MUSIC GROUP earned an unrivalled reputation for creating the world’s finest professional loudspeakers. Stevie Wonder Thomas Newman Simply put, our loudspeakers provide a reference for the world’s highest profile...
  • Page 6 User guide Contents General usage guidelines Introduction Advanced Transmission 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...

  • Page 7: General Usage Guidelines

    PMC has made efforts to provide accurate installation information and good quality fixings. PMC LTD will not be held responsible or liable for injuries or property damage - direct, indirect or consequential - arising out of use or inability to use this product safely and properly.
  • Page 8 Introduction Thank you for choosing the PMC twenty active subwoofer. This guide provides installation and operating instructions. This active subwoofers can be used in a 2.1 configuration with twenty series speakers to gain extra bass extension and headroom, or they can be used to reproduce a low frequency effects (LFE) channel in a surround system.
  • Page 9 LF distortion. Consequently, the upper bass detail is not masked by harmonic distortion and the result is PMC’s characteristically fast, attacking bass, and outstanding clarity. ‘No other bass loading technology provides such resolution and tonal accuracy at all volume levels’...

  • Page 10: System Description

    System description The twenty active subwoofer has a powerful equalisation, and phase alignment for the DSP engine, operating at a fixed sample rate subwoofer, as well as high-pass filtering bass of 96kHz. management options for the analogue and digital outputs. It also provides non-invasive The two balanced analogue inputs are excursion limiting to protect the drivers.

  • Page 11: Unpacking And Care

    • Please Note: This unit must 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.
  • Page 12 Resonance absorbing plinth installation guide A resonance damping plinth and spikes enhance the performance and stability of the twenty sub. The plinth attachs to the base of each speaker using 4 x M8 countersunk bolts. The twenty series spikes are reversible, with spike or ball tips for use on either carpeted or more sensitive hard flooring.
  • Page 13 The rear panel of the twenty sub features the following connections: Audio 2 x Balanced analogue XLR inputs www.pmc-speakers.com 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.
  • Page 14 Positioning and alignment With their unique cabinet design, ultra-low distortion, and smooth bass roll-off, PMC loudspeakers are Advanced Transmission Line more forgiving of difficult room conditions and placement constraints than conventional designs. However, we encourage you to spend some time experimenting in your own room to achieve the very best results, remembering that small changes in location can often influence system performance significantly.

  • Page 15: Operational Controls

    Operational controls The twenty active subwoofer is configured and controlled via a simple menu system which is viewed on the rear panel display and navigated by four associated push-buttons. Looking at the four cursor buttons, the left and right buttons step back (exit) and select (enter) the menu options, respectively, while the upper and lower buttons scroll through the various menu options and adjust the parameter values.
  • Page 16 Setup Mode Pressing the right (enter) button twice from the default volume display accesses the Setup menu, and the up/down buttons can then be used to access the various options. After selecting the desired option pressing the right button again displays the current parameter value, and the up/down buttons can be used to alter the value.

  • Page 18: User Eq Options

    User EQ options Integration with satellite speakers PMC’s twenty active subwoofer features DSP-based user-equalisation options. These comprise an adjustable low-pass filter to determine the frequency range over which the subwoofer operates, with an adjustable slope which allows perfect integration with the low-frequency response of the satellite speakers.
  • Page 19 Large twenty.C Small, 80hz Back panel www.pmc-speakers.com NO 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...
  • Page 20 50hz 6dB/Oct Full Range Back panel www.pmc-speakers.com NO 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...
  • Page 21 Advanced room integration using the on board parametric EQ A single-band parametric equaliser can be used to compensate for single resonances or dips in the room response, assisting with in-room alignment. The centre frequency of the single-band parametric equaliser (PEQ) is adjustable between 20Hz and 150Hz (in 5Hz increments).
  • Page 22 An example of a 7.87dB boost at 65Hz with a Q of 8 (a narrow bandwidth boost at 65Hz) +7.87dB MAX PEQ Gain -8dB MIN 20Hz 65Hz 150Hz PEQ Frequency An example of a -8dB cut at 65Hz with a Q of 1 (a wide bandwidth cut at 65Hz) +7.87dB MAX PEQ Gain -8dB MIN...
  • Page 23 Running in When loudspeakers are new they will take time to reach their full potential. It is often debated whether any solid-state equipment, such as CD players or transistor-based power amplifiers change with use, but the characteristics of mechanical devices such as loudspeakers do alter and improve their performance significantly after a short ‘running in’...

  • Page 24: Specifications

    Specifications Input Connectors Two balanced analogue (left/right) via XLR (female) One AES3 digital (left/right or summed channel selectable) via XLR (female) Input sample rate: 32 -192kHz, 24-bit via internal sample rate converter All XLR-3F connectors wired Pin-1 screen, Pin-2 hot, Pin-3 cold Each input has independent ±8dB trim range Outputs Two balanced analogue (left/right) via XLR (male)
  • Page 25 50 / 60Hz Auto-sensing Usable Frequency Response 22Hz to 200Hz Effective Length 3m (9.8ft) Advanced Transmission Line 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 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’.
  • Page 27 The twenty series range The twenty series currently spans 7 different models, from the 3-way floorstanding twenty.26 down to the diminutive standmounting twenty.21. However, every monitor is designed with the same care and attention, 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.

  • Page 28: Our Meticulous Care And Attention

    Our meticulous care and attention All PMC loudspeakers are hand-built in the U.K. using components that are individually matched to our reference model. This includes the structural integrity of every cabinet, and the testing and recording of each individual component to guarantee adherence to our strict tolerances. In this way we can ensure your purchase sounds identical to the original design.

  • Page 29: Warranty On-Line

    PLEASE ACTIVATE YOUR 5-YEAR WARRANTY ON-LINE GO TO WWW.PMC-SPEAKERS.COM AND CLICK ON ‘REGISTER A PRODUCT’ WARRANTY ON-LINE If you do not have access to the Internet please fill in the Warranty form on pages 31 and 32, and return to PMC.
  • Page 30 Returns Authorisation number. If a product is returned to PMC and subsequently is found to have no fault or a non-warranty fault it will be subject to a minimum of £50.00 plus the carriage for its return.
  • Page 31 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. Product Serial Nos Date of purchase Purchased from Your Name Your email address...
  • Page 32 We value all our client’s comments. Please take a moment to help us improve: Please tell us how your new PMC’s perform. Your comments may appear on the customer quotes section for this product on our site. N.B. Don’t worry the comments will be anonymous;...

  • Page 33: Inspection Certificate

    Inspection certificate Every component that appears in a PMC product is measured, tested, matched and recorded by hand. This analysis also applies to the final product we build to ensure you receive an identical replica of the reference model. Enclosure finish Assembly &...
  • Page 34 Notes...
  • Page 35 This document should not be construed as a commitment on the part of The Professional Monitor Company Limited (PMC). The information it contains is subject to change without notice. PMC assumes no responsibility for errors that may appear within this document. Information subject to change.
  • 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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