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Related Manuals for HSU VTF-2
Summary of Contents for HSU VTF-2
- Page 1 HSU RESEARCH Instruction Manual Model VTF-2...
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Page 2: Table Of Contents
Table of Contents Introduction Appendix A: Recommended Rear Panel Diagram Listening Appendix B: C H A P T E R 1 : S E T T I N G U P Technical Specifications Features Appendix C: Unpacking BAS Test CD Subwoofer Track Listing Placement... -
Page 3: Introduction
Congratulations! By purchasing a VTF-2, you have chosen one of the best bang (or boom) for the buck subwoofers in the market. As an added bonus, the VTF-2 has a very high Spouse Acceptance Factor: it can be used as an end table or placed in an entertainment center. The ingenuity of it all lies in the fact that all the high Spouse Acceptance Factor is achieved without any sacrifice in the Audiophile Acceptance Factor: there is no compromise in the sound at all! In fact, you can optimize it for maximum output or maximum bass extension. -
Page 4: Rear Panel Diagram
Rear Panel 1. Speaker Level Outputs: For connecting to the main speakers when speaker level inputs are used. 2. Speaker Level Inputs: For connecting to a system that does not have line level outputs available. 3. Line Level Input: For connecting from a system s sub out or pre-amp outputs to the subwoofer. 4. -
Page 5: Setting Up
These features will be discussed throughout the manual. The VTF-2 has an auto-on feature which puts the subwoofer in standby mode (indicated by a red L.E.D.) when it is not receiving a signal and turns the subwoofer on (indicated by a green L.E.D.) when it receives an audio signal. -
Page 6: Connecting
VTF-2. Set the crossover frequency of your processor appropriately for your main speakers and set the crossover switch on the back of the VTF-2 to out . - Page 7 RCA cables to connect the front left and right pre-outs to the low-level in of your VTF-2. Set the crossover switch on the back of the VTF-2 to in . Connecting to a system with no pre-amp outputs If no low level output is available, you need to run speaker wires from your main amplifier or receiver to the subwoofer amplifier.
- Page 8 Finishing Up Check to see that the red voltage selector switch on the back of the VTF-2 is set to the correct voltage. It is set to 120V by default. Connect the subwoofer s power cord to an AC outlet.
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Page 9: Fine Tuning
(the frequency they are -3 dB at) and set the crossover approximately to this point. By experimenting with the crossover frequency and level control, the user can fine tune the VTF-2 so that there is a seamless link between the subwoofer and the main speakers. -
Page 10: Volume Level
Using built-in test tones of a receiver/processor, or by using a test CD/DVD (such as the CD-R that comes with Hsu subwoofers), the user should match the levels of all of his or her speakers. We recommend using an SPL meter such as the Radio Shack unit (use "C" weighting and slow settings). - Page 11 Chapter 3: Chapter Troubleshooting In this chapter we will discuss problems that users may have and their solutions. If you do not find a solution to your problem on the following pages, please email us at techsupport@hsuresearch.com or give us a call at 714.666.9260. Problem Cause Solution...
- Page 12 No output from the subwoofer (LED • Remove the driver from the VTF-2 and connect it to turns green). your main amp. If it produces undistorted output, the woofer is fine and the amp may be faulty. If there is Driver or amplifier is faulty.
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Page 13: Recommended Listening
Phillips 412 619-2: Saint-Saens Organ Symphony, San Francisco Symphony, Edo de Waart This CD has deep bass down to 16 Hz on track 2. It is one of Dr. Hsu s regular test discs. The purest deep bass occurs at 9:00 into track 2. Levels here are very low. Abnormally high gain is needed to play this at wall-shaking levels. - Page 14 Sheffield Lab CD-14/20: The Sheffield Drum & Track Record The Drum Record tracks are excellent for testing bass tightness. Dr. Hsu s favorite is track 5 on this DMP CD-460: Thom Rotella Band About 1 minute into track 12 is a bass guitar solo which is excellent for testing bass transients.
- Page 15 Titan AE This was Dr. Hsu s favorite demo disc before Lord of the Rings. The starting scene is great, and so is Chapter 19, the creation of the New Earth. The best scene is the Ice Field chapter.
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Page 16: Technical Specifications
Appendix B: Technical Specifications Features: auto-on, soft clipping, and variable tuning frequency. Frequency Response: 25 - 125 Hz +/-2 dB in max extension mode, 32 - 125 Hz +/- 3 dB in max output mode. Woofer: 10-inch, magnetically shielded. Crossover Frequency: 30 - 90 Hz, 24 dB/Oct low pass. Input Impedance: 10k ohm (line), 1k ohm (speaker). - Page 17 [Micha Schattner] This recording has the strongest and cleanest 16Hz of any recording I have come across. It s ideal for showing off the TN1220HO. [Dr. Hsu] 2. Brahms: Geistliches Lied, op. 30 (“Spiritual Song”) Soli Deo Gloria (the group s new name is New World Chorale), Holly Krafka conducting. This piece was written as an exercise in counterpoint;...
- Page 18 Boston Philharmonic Orchestra, Benjamin Zander conducting, Boston Symphony Hall, March 8, 1981. Four Nakamichi 700s two omnis for overall pickup and two cardioids used at lower levels as chorus accent mikes. [Peter Mitchell, E. Brad Meyer] We could not issue this CD without a recording by our late founder, Peter Mitchell. This work is one of the hardest to record with natural dynamic range.
- Page 19 CD (normally sold separately for $40) is yours for free by signing up for one year. Send a check for $40 made out to the Boston Audio Society to David Hadaway PO 460 Rindge NH 03461 and mention the Hsu Research promotion. More information on the CD and the BAS is on our website www.bostonaudiosociety.org.
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