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Overview of a Home Theater Design and Build

Table of Contents

​​Initial Space Planning​

  1. Room Size Tradeoffs​

More Space Planning

  1. Primary Seat and Screen Size

  2. More Seating Plan - Second Row

Refining the Floor Plan

  1. Checking Screen Size and Field of View

  2. Riser Height and Line-of-Sight

  3. Potentially Better Floorplan Options

​​Sound Considerations

  1. Selecting the Surround Sound Configuration

  2. Adding Dolby ATMOS

  3. Speaker Type Selection

​Low-End Sound Considerations

  1. Is a Subwoofer Needed?

  2. Multi-Subwoofer Configuration?

​​​Aspect Ratio, Projector Placement

  1. Choosing a Screen Aspect Ratio

  2. Projector Placement

  3. Projector Hush Box

​Sound Isolation Methods/Tradeoffs​

​In-Room Acoustics 

​​AC and LV Electrical

  1. Electrical and Lighting Plan

  2. Low Voltage Wiring

​HVAC and Room Finish

  1. HVAC Considerations

  2. ​Paint and Wall Coverings

​​AV Equipment Selection

​​Equipment Connection and Control

  1. Equipment Selection

  2. Equipment Connection

  3. Too Cheap for a Rack

  4. Remote Control and Automation

​Mistakes and Enhancements

  1. Favorite Oversights, Mistakes, and Regrets

  2. Future Upgrades

  3. Summary of the Overall Plan

​​More Details on Some Topics

  1. ​Calculating the Field of View

  2. How Close is Too Close to the Screen?

  3.  Speaker Volume at the Listening Position

  4. Calculating the Riser Height

  5. ​​Lumens, Nits, etc.​

  6. CEDIA's RP-22​

​Audio Measurements

  1. Windows Setup for Room EQ Wizard (REW) 

  2. Room EQ Wizard Installation

  3. Initial Room Measurements 

  4. MultiEQ Usage

  5. ​Updated Measurements

  6. More Measurement Topics (Future)

​Build Photos (link)

Finished Photos (link)

DIY home theater basement conversion with two-row seating, 115-inch projection screen, and 7.2.4 Atmos surround sound setup

In 2010, I undertook a project to convert my unfinished basement into a home theater, with an initial budget of $10,000 allocated for equipment and materials. I didn't track my expenses closely and ended up "slightly" over budget. The room layout includes two rows of seating: a back row with three recliners and a front row with a somewhat too-close reclining couch. Since starting this project, I have periodically updated different aspects of the DIY Home Theater.

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I began with the goal of setting up a projector that projects onto a 115-inch fixed screen, initially aiming for a 7.1 surround sound system. Over time, the audio evolved from 7.1 to a 7.2.4 Atmos setup. Although the room layout has remained consistent, I've made several upgrades, including acoustic treatments and enhancements to the equipment.

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Throughout the process, I documented my research and decisions in roughly chronological order, including mistakes and technical details. This write-up (see Table of Contents to the left) serves as a detailed record of the journey in creating a DIY, tailored, and immersive experience.

 

To view pictures of the finished room and bypass my pontificating on the design of the theater, this link will take you directly to those photos.

 

The initial goals and requirements for the design were:

  • Accommodate 5-6 people.

  • Screen size between 110 and 120 inches, requiring a projector

  • Support 5.1 or 7.1 surround sound, later evolving to 7.2.4

  • Utilize existing equipment initially and add or upgrade it over time.

  • Budget goal of less than $10,000 for initial equipment purchase​​​​​​

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GENERAL DISCLAIMER:

The information provided on this website is for general informational purposes only. All content is provided in good faith, however, we make no representation or warranty of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, availability, or completeness of any information on the site. The DIY projects and advice provided on this website are based on personal experience and should not be considered professional advice. Always exercise caution and consult with a professional if you are unsure about any aspect of your project. This website may contain links to external websites that are not provided or maintained by or in any way affiliated with us. Please note that we do not guarantee the accuracy, relevance, timeliness, or completeness of any information on these external websites.

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