XTZ SUB AMP1 DSP User Manual
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XTZ SUB AMP1 DSP User Manual

XTZ SUB AMP1 DSP User Manual

Xtz sub amp1 dsp subwoofer amplifier user manual
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XTZ SUB AMP1 DSP
Subwoofer Amplifier
User manual
© 2009 XTZ AB , www.xtz.se

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Summary of Contents for XTZ SUB AMP1 DSP

  • Page 1 XTZ SUB AMP1 DSP Subwoofer Amplifier User manual © 2009 XTZ AB , www.xtz.se...

  • Page 2: Table Of Contents

    Table of contents Page Contents About XTZ Technical presentation Preparations Sound philosophy / Installation and placement tips Mounting and connection tips Functional reference Quick reference Functions/ Area of usage/ Sound adjustment Technical explanations Technical specifications Service & Support - 2-...

  • Page 3: Contents

    Contents XTZ SUB AMP1 DSP offers a wide range of Contents possibilities. In order to utilize your new amplifier in the best way, you should carefully read through this manual before using the amplifier for the first time. It may take some patience in order to make the hifi equipment sound optimal.

  • Page 4: About Xtz

    About XTZ Philosophy Our reference and starting point is to reproduce a natural sound, but also in respect to the fact that acoustics always is a matter of personal taste. XTZ Goals To provide the optimal relation between price, performance and quality on the market.

  • Page 5: Technical Presentation

    With the DSP technology we can create a good balanced sound in every room. We have equipped the XTZ SUB AMP1 DSP with a Amplifier very powerful 300 watt amplifier and a large heat sink for effective cooling. For professional use (studio, PA etc.), it is equipped with a balanced...

  • Page 6: Preparations

    German company with 25-years tradition in professional audio. There are many years of development behind the software we use in SUB AMP1 DSP. The cabinet is made of MDF. The surface is The cabinet varnished, black piano paint, giving it a proper look.

  • Page 7: Sound Philosophy / Installation And Placement Tips

    Sound philosophy / Installation and placement tips This chapter contains common information on loudspeaker placement and installation. These are general rules, so there are exceptions. In which room do No matter how good the equipment is, in the wrong listening environment it will inevitably sound bad. you achieve the best There are some basic rules concerning a proper sound?
  • Page 8 The placement of the subwoofer in the room Placement of the dramatically affects the overall frequency response subwoofer and sound level of the system. At low frequencies the effect of the room is strong. Even a slight change in the subwoofer's location can make a significant difference in the frequency balance.

  • Page 9: Mounting And Connection Tips

    Mounting and connecting tips SUB AMP1 DSP is constructed to be placed lying Mount the feet on the side you want to be Mounting down. down or standing up. Place the logotype in same alternatives direction as SUB AMP1 DSP...

  • Page 10: Functional Reference

    Functional reference Rear 1. Input gain meter panel 2. Standby indicators 3. LCD display 4. Function button 5. Value buttons 6. IR port 7. Contrast adjustments for LCD Display 8. Volume knob 9. Balanced input 10. Ground select 11. Low level input 12.
  • Page 11 RCA input. Connector for PC. For the PC-remote software. The program is in price included but you 12 RS 232 PC need to download it from www.xtz.se connector 13 Input selector INPUT SELECTOR Select input between: XLR ,RCA or High-level...

  • Page 12: Quick Reference

    Quick reference If you want to use the product quickly, follow these instructions. Connection Connect to input: XLR, RCA or Speaker input. Select your local mains voltage with the power switch. Connect the power switch and turn the main switch on. INPUT SELECTOR Choose one of: XLR, RCA or Speaker input.

  • Page 13: Functions/ Area Of Usage/ Sound Adjustment

    Functions that indicated on the LCD display can be PC-Remote is a software allowing you to How to control the control SUB AMP1 DSP from a PC. controlled by buttons below LCD display or via the functions You can sit in listening position and do all PC-remote program.
  • Page 14 "FUNCTION" and adjust the level with the buttons "VALUE". How to use function 2 - 11 via PC-remote. Software downloaded from www.xtz.se Function 12 SUBSONIC FILTER - Frequency One step = 1 Hz Low-cut filters to cut the lowest frequencies. Adjustable from 10-40Hz.
  • Page 15 The subsonic filter cuts unwanted frequencies in How to use function the deepest bass range. An example of unwanted 12 and 13 sound is "rumble" from a turntable or wind noise from a microphone. The reason to cut these unwanted frequencies: - To decrease the noise level in the listening room.
  • Page 16 Function 16 OUTPUT / Polarity Select polarity. Select: Negative or Positive Here you can select the polarity. You can select either: Negative or Positive. One step = 1 degree Function 17 OUTPUT / Phase 1st Ord. Phase. The phase adjusts from 0 - 180 degrees. Incorrect phase alignment between the main loudspeakers and subwoofer causes a drop in the frequency response of the whole system at the...
  • Page 17 Incorrect frequency, polarity and phase alignment How to use function between the main loudspeakers and subwoofer 14, 15, 16 and 17 causes a gap in the frequency response of the whole system at the crossover frequency. The graph to the right shows the effect of phase difference to the frequency response.
  • Page 18 How to use function With the function OUTPUT /Delay you can store a time delay. Therefore you can perfectly adapt SUB AMP1 DSP together with a subwoofer to your main speaker to avoid time and phase problem. 1. Measure the distance between main speaker and listening position.
  • Page 19 PEQ 1 - Q Factor One step = 0.1 Function 21 Q-factor - See: Technical explanations. Q-Factor. Select Q-factor. You can select Q-factor between 0.5 - 50 How to use Function The parametrical equalizer is a precision tool to achieve perfect sound balance. The parametrical 19-33 equalizer allows controlling over the centre frequency,...
  • Page 20 In ON mode the amplifier is on constantly. How to use Function In Auto-off mode the amplifier switched to standby after the chosen time. Choose between 1 to 30 minutes. Function 36 REAL-TIME CLOCK Adjust the clock. How to use Function Adjust the clock with "Function"...
  • Page 21 re-called any time. Last recorded preset is shown in function 1, to the left of the clock. - 21-...

  • Page 22: Technical Explanations

    Technical explanations Slope The slope is commonly used to describe the steepness degree of the filter. A higher slope value indicates a steeper filter. Boundary Cut off frequency (fc) is the frequency either above which or below which the power output of a circuit, frequency/Cut off such as a line, amplifier, or filter, is reduced to ½...
  • Page 23 Room modes Room modes come from reflections in the room. Sound directly from the speakers and sound reflections forms a pattern in the room. Same frequency in phase gives you room modes If the frequency is in opposite phase, they will put out each other and you get a dip.

  • Page 24: Technical Specifications

    SUB AMP 1 DSP from a PC, via the RS 232 port. You can sit in listening position and do all settings. The program is included in the price but you need to download the newest software from www.xtz.se Following setting is needed to get PC-Remote to work,...

  • Page 25: Service & Support

    Please contact our “free-of-charge” support if you need installation advice, or if any problems occur during the installation. Contact us by e-mail support@xtz.se and include your phone number if you require help, and we will ring you back. - 25-...

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