SV Sound PB13 specifications Advanced Features Room Compensation

Chapter 9 SV Sound

Advanced Features: Room Compensation

In typical home theaters a phenomenon known as ―room gain” can play a major role in how accurately bass is produced.

When any subwoofer produces notable bass energy below 27Hz, the output you will perceive is different than the sub’s normal output would be (if unaf- fected by your room’s walls).

The difference in theoretical bass, versus actual bass response, is depicted in the graph below. The red trace indicates a subwoofer response outdoors, but line in blue indicates the same subwoofer’s response in a mid-sized room.

―Room gain‖ can create excessive deep bass which can sound exaggerated simply due to interaction with your room .

				SPL vs Freq
	115 dBSPL
	110
	105
	100
	95
	90
	85
	80
	75
	70
	65
	60
	55
	10 Hz		20	30	40	50	60	70	80	90	100
Map		6: Anechoic
		7: 2800ft^3
Notes
		Enclosure	Person: Jim Farina		Project: Room Compensation			Jul 18, 2006
5.2.0.350	Jul/15/2005	Shop	Company: SV Sound, LLC		File: Room Compensation.led		Tue 4:42 pm

Use the below chart to help tailor your SVS sub to your room’s size. Vary the room size knob up or down one size should you determine that sound’s best for your music and movies. Bypass mode is deepest of all and most suitable for the largest rooms.

Approximate Room Size		Room Compensation Setting
> 2400ft3	(68m3)	LARGE
1400ft3 – 2400ft3	(40m3 – 68m3)	MEDIUM
< 1400ft3	(40m3)	SMALL