Velodyne SUBWOOFER Скачать руководство пользователя страница 5

General Subwoofer Placement Guidelines

Refer to the recommended placement diagrams below for general seating and subwoofer placement guidelines.

The seating positions shown in the diagrams below are general guidelines for most room types. Walls, floors and ceilings reinforce bass

response. Sitting near a wall almost always results in the perception of more bass than elsewhere in the room. If your seating position is near

a wall or a corner, the bass may sound overly heavy and boomy, so try moving your listening position more towards the center of the room.

If your seating is at the exact center of the room, it’s possible that the bass will seem weak. If you experience this condition, try moving your

seating position away from the center. 

FACE THE GRILLE towards the room’s main seating location in the case of a front-firing subwoofer. 

MAKE SURE:

• You can access the controls on the rear of the subwoofer.

• The included 6’ power cord for the subwoofer can safely reach a power outlet.

Square rooms are the most challenging acoustically for low frequencies.

Move your seating location to a more optimal location, if your room layout allows for it.

Single Subwoofer Placement Guidelines

The tips below apply to placing a single subwoofer in your room.  Generally, bass frequencies, if reproduced without excessive distortion, are

non-directional, that is, you cannot normally tell where the bass is coming from.  However, if the subwoofer’s crossover is set very high, the

subwoofer is played at very high levels so that it distorts, or the subwoofer causes a rattle or other sympathetic vibration to occur, it might give

away its location. Other tips:

PLACE in a CORNER (loudest but not the most accurate) or within a few feet of a wall (smoothest but not the loudest). 

AVOID locations far away from a wall, close to the room center, by a door, near a partial-height wall, or behind seating arrangements.

Twin Subwoofer Placement Guidelines

In addition to the above general guidelines for single subwoofer placement, when using TWIN subwoofers follow the guidelines below:

- CENTER OPPOSITE WALL PLACEMENT gives smoothest output and even response throughout the room.

- OPPOSITE CORNER PLACEMENT gives more output and least intrusion into floorplan, but not as smooth or as even

throughout the room.

- 1/4 or 1/3 ADJACENT WALL PLACEMENT can give a blend of output and smoothness which could be advantageous in problem rooms. 

- DON’T put one subwoofer next to listening seats and one far away, as signals could cancel each other out and limit the output.

In extreme cases, this precedence effect can cause the nearer subwoofer to be localized, i.e. you can tell where the bass is

coming from. 

- Preferably place each subwoofer by the satellite speaker of the same channel. 

Quad Subwoofer Placement Guidelines

In addition to the above general guidelines for subwoofer placement, when using FOUR subwoofers follow the guidelines below.

FOUR (or more) subwoofers give the best sound in a room.

- CORNER PLACEMENT gives more output and least intrusion into floorplan.

- CENTER WALL PLACEMENT controls room nodes but more intrusion into floorplan.

Don’t put some subwoofers next to listening seats and others far away, as signals could cancel each other out and limit the output. In extreme

cases, this precedence effect can cause the nearer subwoofer to be localized.

[ 3 ]

Subwoofer Placement Recommendations Guide

GUIDELINES

Содержание SUBWOOFER

Страница 1: ...SET UP S U B W O O F E R P L A C E M E N T R E C O M M E N D A T I O N S G U I D E This guide provides recommendations on where to place your subwoofer s in your listening room Velodyne...

Страница 2: ...tions G U I D E L I N E S General Subwoofer Placement Guidelines Single Subwoofer Placement Guidelines Twin Subwoofer Placement Guidelines Quad Subwoofer Placement Guidelines P L A C E Place a Single...

Страница 3: ...the reversed positions or as it s sometimes called the crawl test Using this method you move your preferred seating out of the way connect the subwoofer to the system and place the subwoofer in the pr...

Страница 4: ...binet A cabinet with a downward firing port or passive radiator uses the complete available periphery for radiation so block this opening as minimally as possible PLACE THE SUBWOOFER ON THE FLOOR If t...

Страница 5: ...to occur it might give away its location Other tips PLACE in a CORNER loudest but not the most accurate or within a few feet of a wall smoothest but not the loudest AVOID locations far away from a wa...

Страница 6: ...third away from the front of the room on either the right or left side of the room Figure 1 Recommended Single Subwoofer Placements 4 Subwoofer Placement Recommendations Guide PLACE 1 2 3 RECOMMENDED...

Страница 7: ...osite diagonal corners One in the front center and one in the rear center or One a quarter or one third away from the front of the room on both the right and left sides of the room Figure 2 Recommende...

Страница 8: ...ommended Twin Subwoofer Quarter Wall Placements 6 Subwoofer Placement Recommendations Guide PLACE QUARTER PLACEMENT RECOMMENDED TWIN SUBWOOFER PLACEMENTS OpUlrlum S Po ltlo lor ttl au f tlper ut QUART...

Страница 9: ...n Subwoofer Center Placements 7 Subwoofer Placement Recommendations Guide PLACE Optimum Se tlnt Po ltlo or til Best Bass RECOMMENDED TWIN SUBWOOFER PLACEMENTS CENTER FRONT PLACEMENT CENTER REAR PLACEM...

Страница 10: ...om You can try placing four subwoofers in either of the following configurations One in the center of each wall or One in each corner Figure 5 Recommended Quad Subwoofer Center Placements 8 Subwoofer...

Страница 11: ...ecommended Quad Subwoofer Corner Placements 9 Subwoofer Placement Recommendations Guide PLACE RECOMMENDED QUAD SUBWDDFER PLACEMENTS Optimum S II POl iti lor ttl S Bu E rl nu CORNER PLACEMENT 1 3 ROOM...

Страница 12: ...eat is located at about two thirds of the length of the side walls and in the center of the length of the front and rear walls Our satellite speakers were located on each side of the TV The doors were...

Страница 13: ...oom Layout Evaluated Subwoofer Locations Evaluation by Listening In order to use the Crawl Test technique 1 We put the subwoofer in the location of the main listening seat To avoid having to lift the...

Страница 14: ...st places for two subwoofers because these two locations sounded the same to our evaluator Evaluation by Frequency Response If you have a microphone and a Digital DrivePLUS subwoofer you can view the...

Страница 15: ...thest response curve Also we picked Location 4 as the best location for a second subwoofer because the peak in its frequency response at about 60 Hz was narrower than the one in Location 2 Location 1...

Страница 16: ...sounded crisp when listening at this location 2 Hot heavy boomy More level at 50 to 63 Hz Hence this curve has more energy in it than for Location 1 This accounts for why the evaluator thought there...

Страница 17: ...y response we moved the subwoofer in Location 4 towards the center of the room one foot We ran the Auto EQPLUS optimization at each location to determine the frequency response The results are shown b...

Страница 18: ...erence between the curves and parameters The low pass crossover frequencies are the same but the original crossover slope is 30 dB and the second slope is 24 dB Note the level increase of up to 1 dB b...

Страница 19: ...Digital Drive Morgan Hill CA 95037 408 465 2800 voice 408 779 9227 fax 408 465 2851 service voice 408 779 9208 service fax www velodyne com Service E mail service velodyne com General E mail help velo...

Отзывы: