PMC AML2 User Manual
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PMC AML2 User Manual

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AML2
User Guide
TM
Advanced Transmission Line

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Summary of Contents for PMC AML2

  • Page 1 AML2 User Guide Advanced Transmission Line...
  • Page 3 © 2010 PMC. All rights reserved. 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 AML2s, 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 two decades PMC has earned an UNIVERSAL MUSIC GROUP unrivalled reputation for creating the world’s finest professional loudspeakers. Robbie Williams Stevie Wonder Simply put, our loudspeakers provide a reference for the world’s highest profile...

  • Page 6: Table Of Contents

    Surround System Set-up Operational Controls The PMC Range Service Specifications Our Meticulous Care and Attention Warranty on-line Warranty certificate – Part 1 – Your copy Warranty certificate – Part 2 – PMC’s copy Help us improve – Your Comments Inspection certificate...

  • Page 7: General Usage Guidelines

    PMC has made efforts to provide accurate installation information and good quality fixings. However, PMC LTD/PMC USA LLC will not be held responsible or liable for injuries or property damage (direct, indirect or consequential) arising out of use or inability to...
  • Page 8 18 and 24dB/octave filters, a transparent protection circuit, and user-adjustable acoustic correction controls which can be totally bypassed when not required. ‘The AML2 is designed and hand built in England, by nice people who care, and who love audio’...

  • Page 9: Unpacking And Care

    Unpacking and Care The AML2 monitor system is packed in a heavy-duty protective carton. Please retain this to ensure that these monitor speakers can be transported safely if the need arises in the future. If you dispose of the packaging please do so in an environmentally responsible and safe way.

  • Page 10: How The Advanced Transmission Line Works

    Advanced Transmission Line How the Advanced Transmission Line Works harmonic distortion and the result is PMC’s PMC’s unique (Advanced Advanced Transmission Line characteristically transparent midrange, fast, Transmission Line) enclosures have taken attacking bass, and outstanding clarity. loudspeaker design to the highest level,...

  • Page 11: System Description

    HF Tilt, LF Tilt and included an HF driver protection circuit, LF Roll-Off controls. Deselecting the Room but this has been removed in the AML2 Equaliser bypasses all of the associated circuitry with a small, but worthwhile, gain in HF completely.

  • Page 12: Eq Options

    EQ Options • • • • • • • • • • • The frequency response plots above illustrate the cross-over filter responses as well as all the response variations that can be obtained using the various EQ controls. LF Tilt: +3dB LF Tilt: +1.5dB EQ Bypassed LF Tilt: -3dB...

  • Page 13: Connections

    To avoid potential damage, please ensure that the signal source is turned off before connecting or disconnecting your active loudspeakers. Connections The rear panel of the AML2 carries two connectors: audio and mains power. Audio The electronically-balanced audio input accepts a 3-pin male XLR, wired as follows:...

  • Page 14: Running In

    Running-In When brand new, PMC loudspeakers will take a short period of use before they reach their full potential. This is because the mechanical and acoustical characteristics of both the bass and treble drive units alter slightly after manufacture as the flexible elements in their construction relax and reach their optimum compliancy.

  • Page 15: Applications And Accessories

    AML2. The AML2 can also be used in mix’n’match setups with other PMC monitors for surround sound applications. All PMC monitors share the same characteristics of wide dispersion, low distortion,...

  • Page 16: Positioning

    However, the excellent stereo imaging which PMC monitors are known for is due, in part, to their wide dispersion characteristic, as shown on the right-hand image. To optimise the stereo imaging, PMC monitors should be angled so that their axes cross about 0.5 metres (2ft) behind the listening position (as illustrated...
  • Page 17 Place the speakers so that their front baffles are well forward of any objects placed between them, such as computer display screens. With regard to vertical placement, the acoustic axis of the AML2 is midway between the two drivers. This axis should be level with the listener’s ears, as illustrated in the diagram below.
  • Page 18 Positioning (Cont.) Speaker Orientation The AML2 is designed to be used upright to ensure optimum stereo imaging, tonality and amplifier cooling. Around the crossover frequency both drive units are inherently reproducing the same audio signal (although PMC designs employ steep crossover filters which minimises this), and so there are inevitably two sources of sound.
  • Page 19 Bass Response AML2 monitor loudspeakers can produce significant bass energy below the frequencies at which they become omnidirectional. As a consequence, it is important to consider the effect of the boundaries of the listening room when placing the monitors. Ideally, the monitors should be placed more than 0.5 metres from the side and rear walls of the room so that reinforcement and cancellation (peaks and dips) of the bass output caused by wall reflections will be moved higher in frequency and thus less influential.
  • Page 20 Fine tuning for perfect sound Surround Sound Systems 5.1 Systems The AML2 monitor has been designed for perfect multi- channel music or movie playback, and the following diagrams indicate the ideal layout for the speakers. The constraints of room size and shape will often force some loudspeakers to be placed closer or further from the listening position than is ideal.

  • Page 21: Operational Controls

    Choose the setting which provides the most natural and uniform bass response. The HF and LF Tilt controls allow the tonal balance of the AML2 to be adjusted to suit personal preferences and the acoustics of the listening environment. In a heavily treated room, for...

  • Page 22: The Pmc Range

    ‘activated’ if required (the passive speaker is fitted with a single integral power amplifier). The exceptions are the BB5 XBD-A, the AML2, and the TLE1 subwoofer which are only available as active designs. The two wafer monitors are designed for on-wall or in-wall mounting, and most PMC monitors are also available as horizontal-mounting centre-channel versions, the three largest systems being shown below.

  • Page 23: Service

    For any issues that might arise, or for advice and service requirements, the primary point of contact should be your authorised PMC dealer/distributor. If you do not have a local representative please see www.pmc-speakers.com and click on ‘distribution.’ Alternatively you can view the FAQ’s (Frequently Asked Questions) and servicing section on our website.

  • Page 24: Specifications

    Drive Unit Complement LF 165mm (6.5 inch) PMC-designed Carbon Fibre and Nomex Flat Piston HF 34mm (1.25 inch) FerroFluid-cooled Soft Dome with integral PMC Acoustic Lens Input Connector Electronically-balanced XLR-3f (Pin-1 Screen, Pin-2 +ve, Pin-3 –ve) Input Sensitivity 0.775Vrms for 106dB SPL @1 metre...
  • Page 25 D 364mm (14.33 inches) including heatsink Weight 16.0 kg (35.3lbs) each Speaker Support The base of the AML2 incorporates four M8 threaded inserts for secure fixing to a PMC Tube 104 Stand or to wall or ceiling brackets such as the PowerDrive 100 (see: mypowerdrive.com).

  • Page 26: 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 27: Warranty On-Line

    Warranty On-line SIMPLY ACTIVATE YOUR 5-YEAR WARRANTY ON-LINE GO TO WWW.PMC-SPEAKERS.COM AND CLICK ON REGISTER PRODUCT WARRANTY ON-LINE If you do not have access to the internet fill in the warranty form on pages 28 and 29, and post page 29 to us.
  • Page 28 Returns Authorisation number. If a product is returned to PMC Ltd and subsequently is found to have no fault or a non-warranty fault there will be minimum charge of £50.00 plus the carriage for its return.
  • Page 29 WARRANTy CERTIFICATE - PART 2 PMC’s 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 No’s Date of purchase Purchased from Your Name Your email address...
  • Page 30 If there is one thing we should change, what would it be? Please tell us how your new PMC loudspeakers perform. Your comments may appear on the customer quotes section for this product on our website – but don’t worry, the comments will be anonymous and your personal details will not be published.

  • Page 31: Inspection Certificate

    Enclosure finish Assembly & Wiring Driver installation Enclosure seal Level – Frequency Pair matching Listening test 1 Listening test 2 Final inspection Accessory pack User Guide These have all been carefully checked by the builder of your AML2 loudspeakers Date...
  • Page 32 AML2 Model The AML2 is a trademark of The Professional Monitor Company Limited. This document should not be construed as a commitment on the part of The Professional Monitor Company Limited. The Professional Monitor Company Limited will not assume responsibility for errors that may appear in this document.
  • Page 33 Your Notes...
  • Page 34 Your Notes...
  • Page 35 ULTIMATE MONITORING...
  • Page 36 USA T 949 861 3350 UK T + 44 (0) 870 444 1044 E sales@pmc-speakers.us E sales@promonitor.co.uk Ref No. 5735 - Sept 2010 W www.pmc-speakers.com W www.pmc-speakers.com...

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