MartinLogan Dynamo 500 User Manual

MartinLogan Dynamo 500 User Manual

Martinlogan dynamo 500: user guide
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Summary of Contents for MartinLogan Dynamo 500

  • Page 1 5 0 0 y n a m o u s e r ’ s m a n u a l...
  • Page 2 Serial Numbers: _______________ Record your serial numbers here for easy reference. You will need this informa- tion when filling out your warranty registration. Dynamo 500's serial number is located near the bottom of the backplate and on the shipping container.
  • Page 3: Table Of Contents

    For this reason MartinLogan has arranged with our distributors in European Union member nations to collect and recycle this product at no cost to you. To find your local distributor please contact the dealer from whom you purchased this product, email info@martinlogan.com or visit the distributor locator at www.martinlogan.com.
  • Page 4: Introduction & Installation In Brief

    Step 1: Unpacking Remove your new subwoofer from its packing. Step 2: Placement Ideally, place the Dynamo 500 in a corner near the front of the room. This is a good place to start. Please see the Placement section (page 9) of this manual for more details. Step 3: Signal Connection Use the best cables you can. High quality cables, available...
  • Page 5: About The Controls

    Figure 1. Dynamo 500 controls. Level Knob Setting the level too high will cause the bass to seem bloat- ed and is the single most common cause of bad sounding subwoofers. A rule of thumb is that the subwoofer should not draw attention to itself, but should simply make the sys- tems low end seem more extended and accurate.
  • Page 6: 6 Connections And Control Settings

    LFE output. Signal Connection (see figure 2): 1 Connect the left and right outputs of your preamplifier to the left and right inputs of the Dynamo 500 using quality RCA interconnects. If your preamplifier only has one set of outputs you may need to obtain Y adapters from your dealer.
  • Page 7: Multi-Channel/Lfe Mode

    Multi-Channel/LFE Mode This setup is recommended if your Dynamo 500 will be used in a dedicated home theater or multi-channel system. When a signal is connected to the subwoofer’s LFE input, and the crossover switch is set to 'Bypass (LFE In)' the internal low pass filter is not active. By following this setup, you will allow your processor to handle most of the bass management.
  • Page 8: Ac Power Connection

    AC Power Connection The power cord should be firmly inserted into any conve- nient AC wall outlet. The Dynamo 500 also integrates a signal sensing power supply that automatically switches off after sensing no music signal for several minutes (this will cause the status LED to turn off). Your Dynamo 500 subwoofer is wired for the power ser- vice supplied in the country of original consumer sale.
  • Page 9: Placement

    Generally, subwoofers have the most output when placed in the corner of a room. However, this can also exagger- ate the subwoofers output making blending difficult. We recommend starting by placing the Dynamo 500 in a cor- ner. If, after the full range of tuning techniques have been employed, the subwoofer sounds like it has too much upper bass energy try pulling it away from the wall, toward the listening position.
  • Page 10: Room Acoustics

    Usually, you can excite most of the standing waves in a room by putting the Dynamo 500 in a corner. Listening position determines which standing waves you will expe- rience. For instance, if you sit in a corner you will hear most of the standing waves. This can be an overpowering experience. Sitting next to a wall can also intensify the lev-...
  • Page 11: Home Theater

    Home theater is a complex purchase and we recommend that you consult your local MartinLogan dealer, as they are well versed in this subject. Each piece of a surround system can be purchased sepa- rately. Take your time and buy quality. No one has ever complained that the movie was too real. The following list and descriptions will give you only a brief outline of the responsibilities and demands placed on each speaker.
  • Page 12: Frequently Asked Questions

    Will my electric bill go 'sky high' by leaving my subwoofer plugged in all the time? No. The Dynamo 500, when the power switch is set to ‘Auto On’, will draw about 12 watts when idle and only 12 watts in standby mode. Should I unplug my subwoofer during a thun- derstorm? Yes, or before. It's a good idea to disconnect all of your...
  • Page 13: Troubleshooting

    • Check your processor setup. • If the problem persists, contact your dealer. Hums or Unusual Sounds • Turn the Dynamo 500 off, unplug all signal inputs, turn the Dynamo 500 back on and turn up the level. If the problem disappears, the hum is originating elsewhere in your system. • Connect the Dynamo 500’s AC connection to the same AC circuit as the pre amp.
  • Page 14: General Information

    Specifications The Dynamo 500 subwoofer system consists of a single woofer for high SPL output with minimal distortion. The equalization used is specifically designed to counteract the response of the woofers sealed box response. This equalization leads to minimal group delay and proper transient response. System Frequency Response 29–200 Hz ± 3 dB. Anechoic in the LFE mode. Low Pass Filter Frequencies 50Hz–200Hz Low Pass Filter Switch Bypass (LFE In), Variable (L&R In) Phase 0°, 180°...
  • Page 15: Dimensional Drawings

    ImensIonal rawIngs Dimensional Drawings...
  • Page 16: Glossary Of Audio Terms

    lossary of AC. Abbreviation for alternating current. Active crossover. Uses active devices (transistors, ICs, tubes) and some form of power supply to operate. Amplitude. The extreme range of a signal. Usually mea- sured from the average to the extreme. Arc. The visible sparks generated by an electrical discharge. ATF. The abbreviation for advanced thin film. Bass. The lowest frequencies of sound. Bi-Amplification. Uses an electronic crossover, or line-level passive crossover, and separate power amplifiers for the high and low frequency loudspeaker drivers.
  • Page 17 Inductance. The property of an electrical circuit by which a varying current in it produces a varying magnetic field that introduces voltages in the same circuit or in a nearby circuit. It is measured in henrys. Inductor. A device designed primarily to introduce induc- tance into an electrical circuit.
  • Page 18 WARNING! Do not use your Dynamo 500 loudspeakers outside of the country of original sale—voltage requirements vary by country. Improper voltage can cause damage that will be potentially expensive to repair. The Dynamo 500 is shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended sale. A list of authorized distributors can be accessed at www.martinlogan.com or by emailing info@martinlogan.com. ® L a w r e n c e , K a n s a s , U S A t e l 7 8 5 .

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