Subs Subs Subs

[georgems65]

it is going to be 3 separate boxes. here are the specs of the subs. i kinda need help with the porting of them i dont know how to tune ports o anything about ports. i know how to build and thats it. help.

HERE ARE THE SUBS

- Double Magnet Construction

- Double Spider

- Frequency Response: 25Hz - 800Hz

- Impedance: 4 ohms

- Magnet Weight: 63.4 oz

- One-Piece Cone Design: with Red Metallic Center Emblem

- Pearl Mica Injection-Molded Polypropylene Cone: 12" Typhoon-Type

- Power Handling: 800 Watts

- Sensitivity: 93dB

- Speaker Connectors: Gold-Plated, 2-Way SB-Type

- Urethane Surround: High-Roll, with Perpindicular Inner Wall

- Vented Voice Coil: 2-Layer

THIELE-SMALL PARAMETERS

- DC Resistance (Re)

- Electrical Q Factor (Qes)

- Force Factor (Bl)

- Mechanical Q Factor (Qms)

- Moving Mass (Mms)

- Peak Excursion (Xmax)

- Resonant Frequency (Fs)

- Total Q Factor (Qts)

- Voice Coil Diameter (d)

- Volume Acoustic Compliance (Vas)

HERE IS THE AMP

MonoBlock, Class D IQ Series Amplifier

Max Power, 2 OHM 2200W x 1

RMS Power, 4 OHM 1200W x 1

Max Power, 1 OHM 3000W x 1

Class D Circuitry

1 ohm stable

Signal-to-Noise Ratio > 100dB

THD 0.05%

Remote Subwoofer Level Control

Variable high & Low Pass Crossovers

0 - +18 DB Bass Boost

0 / 180 ° Selectable Phase Shift Control

RCA Line Inputs

Speaker Level Inputs

RCA Line outputs

Gain Control

Power and Protection LEDs

Input Sensitivity Selector

Ultra Compact-Size: Only 2" High

Dimensions : 6 1/2"W x 2"H x 16"D

please give me some advice remember 4 of these

Click to read more...

 

[RattlinStratus 10+ year member]

If its a kenwood sub, dont waste your money, and get something else.

 

[squeak9798 5,000+ posts]

THIELE-SMALL PARAMETERS

- DC Resistance (Re)

- Electrical Q Factor (Qes)

- Force Factor (Bl)

- Mechanical Q Factor (Qms)

- Moving Mass (Mms)

- Peak Excursion (Xmax)

- Resonant Frequency (Fs)

- Total Q Factor (Qts)

- Voice Coil Diameter (d)

- Volume Acoustic Compliance (Vas)

Um, you forgot to list the values for those parameters //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif They are of vital importance when trying to design a box.