Galleon 2026Download our mobile shopping application for faster and easy transaction.
₱1,724
₱1,541
+ ₱ 378
Shipping Cost from USA to Philippines inclusive of custom fees.
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Get it between 2026-06-07 to 2026-06-14.
Additional 3 business days for provincial shipping.
- Price and Stocks may change without prior notice
- Packaging of actual item may differ from photo shown
Cash upon Pick-up - orders grand total must not exceed ₱5,000.00. Order will be pickup at Galleon's Office.
Cash on Delivery - orders grand total must not exceed of ₱10,000.00 and must not exceed ₱5,000.00 for provincial areas. See all payment methods
Product ID:
852814
Identifier:
B0CSXZRKDF
Brand:
HiQltyla
Model:
SCPT-3"x3"
Shipping Weight:
0.29 lbs
Manufacturer:
HiQltyla
Shipping Dimension:
8.07 x 4.02 x 3.23 inches
【Port Tubes Function】A regular inverted speaker exposes the speaker diaphragm to produce sound, and there is also vibration at the back of the speaker. If the vibration of the speaker towards the back is also utilized, it will strengthen the sound wave and the bass. After installing the inverted tube, as the diameter of the inverted tube is smaller than the diameter of the speaker, a relatively strong sound wave will rush out of the inverted tube. In this way, the sound waves towards the front and back of the speaker are utilized, Improve the sound quality of the speaker
【Dimensions】Outer diameter (including Flange): 93mm/3.66", Maximum inner diameter:77mm/3.03", Minimum inner diameter:74.5mm/2.93", Length:75mm/2.95"
【Speaker Cabinet Vent Diameter】Compatible Model:SAPR402G, fit for most brands of PA/DJ Subwoofer Bass Speaker Cabinets Box Vent, Cabinet Cutout: 3"
【How to Choose Size】Set the cross-sectional area of the Port Tubes as S1, the effective vibration area of the bass horn as S2, and S1=(0.1-0.4) S2 is the optimal. Port Tubes length LV=(1.463 * 107R ^ 2)/(FB2VB) -1.463R, among them: LV is the length of the port tubes, R=the opening radius of the port tubes, all in inches; FB is the tuning frequency, in Hz; VB is the volume of the sound system, measured in cubic inches
【Package Includes】3" x 3" Speaker Port Tubes - 2Pack
Speaker Cabinet Port Tubes Model: SCPT-3"x3" Compatible with most brands of PA/DJ Subwoofer Bass Speaker Cabinets Box Suggest Cabinet Cutout: 3" Condition: New Color: Black Material: Plastic Outer diameter (including Flange): 93mm/3.66" Maximum inner diameter: 77mm/3.03" Minimum inner diameter:74.5mm/2.93" Length: 75mm/2.95" How to choose the speaker cabinet port tubes at suitable size? 1.Set the cross-sectional area of the Port Tubes as S1, the effective vibration area of the bass horn as S2, and S1=(0.1-0.4) S2 is the optimal. according to the calculation formula, the cross-sectional area of 3" Port Tubes fit for 5", 6", 6.5" and 8" Bass Speaker 2.Port Tubes length LV=(1.463 * 107R ^ 2)/(FB2VB) -1.463R, among them: LV is the length of the port tubes, R=the opening radius of the port tubes, all in inches; FB is the tuning frequency, in Hz; VB is the volume of the sound system, measured in cubic inches Note: The dimensions of these Port Tubes are all manually measured, which may result in some slight errors. Please measure and confirm again after receiving the goods to ensure that the speaker cabinet cutout is just right. If the cutout is too large, you can use some glue to fix it Package Includes: 3" x 3" Speaker Port Tubes - 2Pack
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