Exams: THX Home Theater Level 2

Quiz-summary

0 of 30 questions completed

Questions:

Welcome to the THX Home Theater Level 2 exam. This is a 30 question exam. You must receive an 80% to pass. You have three attempts to pass and it must be completed in 3 weeks.

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading...

You must sign in or sign up to start the quiz.

You have to finish following quiz, to start this quiz:

Results

Your time:

You have reached 0 of 0 points, (0)

Congratulations! You passed the THX Home Theater Installer Level Two exam.

In the THX Professional Portal, you now have access to all corresponding resources including logo files and style and usage guides. Your certificate will be mailed to you, and you will be listed on our website in the THX Certified Technician Locator, so please be sure your contact information in your Professional Portal account is up-to-date.
You gave it a good effort, but you have to score an 85% or higher in order to pass. The good news is that you are allowed 3 attempts at this exam. So review your answers and give it another go when you’re ready.

(View Correct/Incorrect Questions)

Answered
Review

Questions?

THX Home Theater Level 2

Quiz-summary

Information

Results

Categories

Congratulations! You passed the THX Home Theater Installer Level Two exam.

1
Which is not a part of active listening?

2
What is the best way to future proof a theater/home?

3
In all good home theaters,

4
A reference quality home theater will have a background noise rating of _____ or better.

5
An excellent home theater will have a reflected sound decay of about _____.

6
In a high quality home theater, sound reflections are is best controlled by _____.

7
What is the formula to calculate wavelength, where λ is wave length, c is speed of sound and f is frequency?

8
What is the wavelength of a 60 Hz bass note?

9
The resonant frequency of the first harmonic along the length axis of a 25 foot long room is________ ?

10
The null of the second axial bass mode in a room will always be _________.

11
Poorly controlled bass modes are a problem because __________.

12
Slap echoes can be controlled by _________.

13
What absorber thickness should you use if you want to absorb down to 250 Hz?

14
Acoustically transparent fabric which is hiding acoustic treatments should be acoustically transparent below ________ at a minimum.

15
In a high-performance home theater, what percentage (approximately) of the walls should be absorptive?

16
Speakers are easiest to aim and position when listening to ______.

17
The center channel should be no more than ____ degrees above/below left and right speakers.

18
True/False: Dipole surround speakers are not recommended in home theaters designed for immersive audio.

19
The side surround speakers should be placed _____degrees apart from the center speaker in a 7.1 configuration.

20
What is the recommended screen height a display for a projector screen when using a Ultra HD/4K display?

21
What is the recommended number of subwoofers in a high-performance home theater?

22
The greatest angle a viewer should have to look up to the center of a screen is ______.

23
What is the target luminance value for a front projection system in a dark room using a lamp based projector (answer is 2x to account for loss of lamp life)?

24
What are the benefits of using a 1.0 flat white screen (Lambertian diffuser)?

25
The finish of the walls and ceiling around a projection screen _________.

26
Why are programmable controls desirable in a home theater?

27
Sound isolation is best achieved by ________.

28
What is the latest version of HDCP copyright protection

29
If a client sits 2/3 of the way back in a theater and you suggest a 40° field of view, what should the screen width be if the primary seating position is 8 feet away?

30
Calculate the image brightness for a 16:9 screen with is 8.74 ft. wide and 4.91 ft. tall using a 1500 ANSI Lumen Projector and a 1.0 gain screen.

Questions?

Exams: THX Home Theater Level 2

THX Home Theater Level 2

Quiz-summary

Information

Results

Categories

Congratulations! You passed the THX Home Theater Installer Level Two exam.

1 Which is not a part of active listening?

2 What is the best way to future proof a theater/home?

3 In all good home theaters,

4 A reference quality home theater will have a background noise rating of _____ or better.

5 An excellent home theater will have a reflected sound decay of about _____.

6 In a high quality home theater, sound reflections are is best controlled by _____.

7 What is the formula to calculate wavelength, where λ is wave length, c is speed of sound and f is frequency?

8 What is the wavelength of a 60 Hz bass note?

9 The resonant frequency of the first harmonic along the length axis of a 25 foot long room is________ ?

10 The null of the second axial bass mode in a room will always be _________.

11 Poorly controlled bass modes are a problem because __________.

12 Slap echoes can be controlled by _________.

13 What absorber thickness should you use if you want to absorb down to 250 Hz?

14 Acoustically transparent fabric which is hiding acoustic treatments should be acoustically transparent below ________ at a minimum.

15 In a high-performance home theater, what percentage (approximately) of the walls should be absorptive?

16 Speakers are easiest to aim and position when listening to ______.

17 The center channel should be no more than ____ degrees above/below left and right speakers.

18 True/False: Dipole surround speakers are not recommended in home theaters designed for immersive audio.

19 The side surround speakers should be placed _____degrees apart from the center speaker in a 7.1 configuration.

20 What is the recommended screen height a display for a projector screen when using a Ultra HD/4K display?

21 What is the recommended number of subwoofers in a high-performance home theater?

22 The greatest angle a viewer should have to look up to the center of a screen is ______.

23 What is the target luminance value for a front projection system in a dark room using a lamp based projector (answer is 2x to account for loss of lamp life)?

24 What are the benefits of using a 1.0 flat white screen (Lambertian diffuser)?

25 The finish of the walls and ceiling around a projection screen _________.

26 Why are programmable controls desirable in a home theater?

27 Sound isolation is best achieved by ________.

28 What is the latest version of HDCP copyright protection

29 If a client sits 2/3 of the way back in a theater and you suggest a 40° field of view, what should the screen width be if the primary seating position is 8 feet away?

30 Calculate the image brightness for a 16:9 screen with is 8.74 ft. wide and 4.91 ft. tall using a 1500 ANSI Lumen Projector and a 1.0 gain screen.

1
Which is not a part of active listening?

2
What is the best way to future proof a theater/home?

3
In all good home theaters,

4
A reference quality home theater will have a background noise rating of _____ or better.

5
An excellent home theater will have a reflected sound decay of about _____.

6
In a high quality home theater, sound reflections are is best controlled by _____.

7
What is the formula to calculate wavelength, where λ is wave length, c is speed of sound and f is frequency?

8
What is the wavelength of a 60 Hz bass note?

9
The resonant frequency of the first harmonic along the length axis of a 25 foot long room is________ ?

10
The null of the second axial bass mode in a room will always be _________.

11
Poorly controlled bass modes are a problem because __________.

12
Slap echoes can be controlled by _________.

13
What absorber thickness should you use if you want to absorb down to 250 Hz?

14
Acoustically transparent fabric which is hiding acoustic treatments should be acoustically transparent below ________ at a minimum.

15
In a high-performance home theater, what percentage (approximately) of the walls should be absorptive?

16
Speakers are easiest to aim and position when listening to ______.

17
The center channel should be no more than ____ degrees above/below left and right speakers.

18
True/False: Dipole surround speakers are not recommended in home theaters designed for immersive audio.

19
The side surround speakers should be placed _____degrees apart from the center speaker in a 7.1 configuration.

20
What is the recommended screen height a display for a projector screen when using a Ultra HD/4K display?

21
What is the recommended number of subwoofers in a high-performance home theater?

22
The greatest angle a viewer should have to look up to the center of a screen is ______.

23
What is the target luminance value for a front projection system in a dark room using a lamp based projector (answer is 2x to account for loss of lamp life)?

24
What are the benefits of using a 1.0 flat white screen (Lambertian diffuser)?

25
The finish of the walls and ceiling around a projection screen _________.

26
Why are programmable controls desirable in a home theater?

27
Sound isolation is best achieved by ________.

28
What is the latest version of HDCP copyright protection

29
If a client sits 2/3 of the way back in a theater and you suggest a 40° field of view, what should the screen width be if the primary seating position is 8 feet away?

30
Calculate the image brightness for a 16:9 screen with is 8.74 ft. wide and 4.91 ft. tall using a 1500 ANSI Lumen Projector and a 1.0 gain screen.