Selecting, interconnecting, placing and adjusting home theater speaker questions

Part 1

• Why selecting loudspeakers is a difficult task?
• What criteria should be considered before selecting loudspeakers?
• Why are a speaker’s sensitivity and impedance important?
• Why use reference program materials for speaker evaluation?
• Why is a decibel meter useful when auditioning loudspeakers?
• How many speaker outputs do typical A/V amplifiers have?
• How are speakers connected to an amplifier?
• When is a speaker connected out of phase?
• When can we use bi-wiring to connect speakers?
• What happens when the cable resistance becomes too high?
• How is the resistance of a cable reduced?
• What is the impedance of the cable?
• What is a factor which affects the overall multichannel system performance?
• What are the basic rules about speaker placement?
• What helps minimize the room's standing waves?
• Should the main speakers be placed close to the walls?
• How far between them should the main speakers be?
• Why is the location of the center speaker critical?
• What is the ideal subwoofer placement position?
• Where the surround speakers should be placed?
• How the speaker level is best adjusted?
• How does the intensity of pink noise change as the frequency rises?

Part 2

• How do we begin the adjustment of the speaker levels?
• What is considered normal audio level variation following channel adjustments?
• Why is the adjustment of the subwoofer a little different?
• What happens when two speakers are out of phase?
• How do we check the phase of the subwoofer?
• What is the desired audio image of a multichannel audio system?
• What is usually the problem with the audio image?
• Which is one of the most parameters of the quality of a multichannel system?
• How do we evaluate the center speaker matching with our main speakers?
• How can we achieve a closer match?
• Why is the acoustical behavior of a room important?
• What is an acoustically "live" room?
• How can we temper the acoustic behavior of a room?
• How is bass affected by a wall and a corner?
• When are two speakers in phase?
• What is the ideal placement of surround speakers?
• Should speaker cables have the same length?
• What cables do you recommend?
• Do speakers require a break in period?
• What is the relationship of listener distance to the speakers and Sound Pressure Level?
• Why is sensitivity related to the generated Sound Pressure Level?