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VTF-2 MK5 Subwoofer Manual
Features
Variable Tuning Hybrid Technology.
"Now you decide how deep to play." The large flared ports can be re-tuned with the flip of a switch and the
addition or removal of a port plug(s). With support for five different operating modes, including ported and sealed
hybrid modes, this subwoofer offers state-of-the-art performance in virtually all rooms.
Custom built woofers.
"The end of featureless boom." We design our woofers from the ground up to have exceptionally flat response
and low distortion, so you will hear clean and detailed bass not found in lesser subwoofers.
Powerful BASH amplifiers.
Our custom built amplifiers have ultra-high headroom, soft clipping, subsonic filtering, adjustable Q, and
class A/B output stage to provide extremely high fidelity, low distortion, and high output.
Flexible room placement.
The luxurious and smooth non-vinyl finishes, rounded corners and edges, and front-firing woofer and ports
allow for close placement next to listeners, in corners, and even inside built-in entertainment centers.
Connects to almost any system.
"Integration is easier than ever." Thanks to modern receivers that use Dolby Digital, DTS, THX, or Bass
Management, you can connect the subwoofer to your system with one cable. If you have invested in a stereo-
only system, integration is also simple thanks to true 24 dB/Oct. low pass filters.

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Summary of Contents for HSU VTF-2 MK5

  • Page 1 VTF-2 MK5 Subwoofer Manual Features Variable Tuning Hybrid Technology. “Now you decide how deep to play.” The large flared ports can be re-tuned with the flip of a switch and the addition or removal of a port plug(s). With support for five different operating modes, including ported and sealed hybrid modes, this subwoofer offers state-of-the-art performance in virtually all rooms.
  • Page 2: Important Safety Instructions

    10. Protect the power cord from being NO USER SERVICEABLE  walked on or pinched particularly at plugs, convenience receptacles, and the PARTS ARE INSIDE. point where they exit from the apparatus. 11. Unplug this apparatus during lightning storms or when unused for long periods of time. 12.
  • Page 3: Important Guidelines

    Stop for a moment to inspect the protective bag for any rips or tears that may have occurred during shipping. If there is damage to the subwoofer underneath, or if there are missing items, notify HSU Research as soon as possible. We will help you find a solution.
  • Page 4 If your system (a) has a MAIN-IN connected with a metal jumper to a PRE-OUT, or (b) you have an external amplifier, you can purchase our HSU High Pass Box for the added benefit of keeping the bass out of your speakers. Please contact HSU Research for details.
  • Page 5: Step 4: Volume Level

    Turning the subwoofer ON for the first time On the subwoofer, check that the phase switch is set to 0 degrees, the Q control set to .7, EQ switch set to 1, one port plugged and with the volume level knob set to minimum. If you are using a controller with bass management, set the crossover switch to out. If your con- troller does not have bass management, set the crossover switch to in with crossover set to 90 Hz.
  • Page 6 25 Hz, 3 dB at 31.5 Hz, and 2 dB at 40 Hz. Add these numbers to the readout on the SPL meter to compensate. 1) Using a test disk with one-third octave filtered pink noise or warble tones (such as the Hsu/BAS Test CD-1), play the 50 Hz test tone and adjust the master volume level on the controller so that the SPL meter reads 80 dB at the listening position.
  • Page 7: Troubleshooting

    Troubleshooting If you think your subwoofer has a problem, please do everything you can to confirm the problem before contacting us for service, including reading through the troubleshooting section. Many times the problem actually is caused by other items in the system or the subwoofer’s interaction with those items.
  • Page 8 Problem Cause Solution The subwoofer is not receiving a • Recheck the connections between the source and the subwoofer. signal. No output from the subwoofer (LED • Set the subwoofer level to minimum. Use a different RCA cable to hook lights up red with the sub to a DVD player’s analog output or to an MP3 player.
  • Page 9: Specifications

    HSU’s liability for any defective product is Warranty Service limited to repair or replacement of the prod- uct at our option. HSU shall not be liable for incidental or consequential damages of any kind or character because of product defects.
  • Page 10 Notes...
  • Page 11 Notes...
  • Page 12 HSU Research 985 N. Shepard St. Anaheim, CA 92806 1-800-554-0150 HSURESEARCH.COM...

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