First topic message reminder :STREET
BEAT DIVISION:
CLASS | Points |
|
| Woofer
| Points allotted |
SB1 | 4 |
|
| 8 inch | 1 point |
SB2 | 8 |
|
| 10 inch | 2 points |
SB3 | 16 |
|
| 12 inch | 4 points |
SB4 | Open – consumer |
|
| 15 inch | 8 points |
SB5 | Open professional |
|
| 18 inch | 16 points |
Division & Power Class | Amplifier Quantity | Modifications Allowed To Vehicle Interior | Battery Quantity | Capacitance | Alts | Volts | Maximum RPM |
| | | | | | | |
Street Beat 1 | Unlimited | Limited * | 2 + Stock | Unlimited | 1 | 12 (14.7 Max) | 1200 |
Street Beat 2 | Unlimited | Limited * | 4 + Stock | Unlimited | 1 | 12 (14.7 Max) | 1200 |
Street Beat 3 | Unlimited | Limited * | 6 + Stock | Unlimited | 1 | 12 (14.7 Max) | 1200 |
Street Beat 4 | Unlimited | Limited * | Unlimited | Unlimited | Unlimited | 12 (14.7 Max) | 1200 |
Street Beat 5 | Unlimited | Limited * | Unlimited | Unlimited | Unlimited | 18 Max | 1200 |
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Add up points based on the number of woofers in your car (Points Chart).
Use your points to determine your class (Class Chart).
1. No constructed enclosure, speaker placement, or interior modification that may manipulate the SPL sensor may be placed forward of the “B” pillar and will be considered reason to reclassify the vehicle to the Port Wars or Super Port Wars divisions or disqualification. This decision will be at the discretion of the head judge.
2. No modifications will be allowed to the interior of the passenger compartment forward of the “B” pillars that are intended to manipulate the cabin air space or manipulate the microphone or microphone placement. Removal or modification of OEM equipment in order to facilitate mic placement or modify cabin air space is not allowed.
Exception: In the case of a single cab pickup truck the box, speakers, and amplifiers may extend forward of the “b” post but must not extend further forward than the rear of the truck seat back. Seat back must be locked in place and the seat mounting may not be moved to facilitate system installation.
3. . Scores will be determined by an average SPL taken over 30 seconds.
4. Sensor placement will be any place in front of the “B” pillar facing forward with globe affixed or mounted to windshield without globe at 12” to the left of passenger’s side A pillar and 4” above the dash. (Competitor’s choice)
5. Only commercially available music may be used for judging (no burned cd’s). Only music may be played. Music must contain a discernable bass
beat or rhythm. Music with intentionally extended bass tones will not be allowed. This will be at the discretion of the head judge.
6. 1200 rpm maximum (no reveing engine during test).
7. Windows up or down, doors and/or sun roofs open or closed. Doors can be fanned but not slammed during the run.
8. In the event of a system malfunction prior to a score being recorded, the competitor will be given 5 minutes to make repairs and attempt to register a score.
9. Factory or factory replacement front seats must be installed in the vehicle in factory locations. Must have the front bench or both front seats.
10. No woofers larger than 8” inches may be forward of the “B” pillars.
11. Exception to “USACI General Rules”. In Street
Beat a competitor may compete in multiple classes within the Street
Beat division provided his/her vehicle meets the qualifications for that class. .
(Example: A competitor has 4 - 10" woofers which qualifies him/her to compete in SB2, 3, 4 and 5 but not SB1. Remember that points qualification for SB1, 2, and 3 are listed as "maximum".)
12. Pros* may only compete in SB5. 13.
SB5 is the only class open to any vehicles that use a system voltage higher than 14.7 volts or that uses multiple alternators. Any competitor who qualifies for Street Beat 1 through 4 may compete in SB5 by choice.14. Reruns are allowed.
15. Any current USACI member who competes in at least one Street
Beat event will be invited to compete in Street
Beat at the USACI world finals.
17. In the event an issue arises that is not covered in this section, the USACI Outlaw SPL “General Rules” will apply