Rockville Destroyer 12D1 12" Competition Car Audio Subwoofer w/USA Voice Coils!

Description

Car Audio & Video
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Rockville Destroyer 12D1 12" Competition Car Audio Subwoofer with USA Voice Coils!
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Condition and Warranty
Condition:
BRAND NEW IN ORIGINAL PACKAGING
Warranty:
1 YEAR AUDIOSAVINGS
Product Description
Video of DESTROYER SUBS:
Features:
Rockville DESTROYER 12D1 12" Dual 1-Ohm Car Subwoofer
Peak Power Handling: 8000 Watts
Program Power Handling: 4000 Watts
CEA Rated RMS Power Handling: 2000 Watts
Voice Coils are made in the USA! 3” 4-Layer Black Aluminum Voice Coils Wound with Aluminum Wire
USA Voice Coils are hands down The Best in the world
The voice coils are rated to withstand high temperatures of 300-350C
Triple-Stacked 300 Oz Y35 Magnets. (Y35 is the best grade and they will perform better than most 400 oz magnets)
1-Piece Chrome T-Yoke with Stamped Logo (1 piece t-yokes magnetize better and makes excursion (xmax) better as well as increases the BL rating. BL is basically how much power you get out of the motor and is one of the most important ratings
We use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are rated
Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter Weight
Large 8 Gauge Chrome-Plated Binding Post Terminals (These are the best terminals on the market and they won't oxidize）
Black Non-Pressed Paper Cone
Our cones are ultra-stiff. They are thicker and stronger than other subs on the market making our subs able to handle more power than the competition
Extra Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion
Silver Stitching Cone Reinforces the Cone and Ensures Long Life
Shiny Paper Dustcap (Paper is the best material and can withstand even higher temperatures than polypropylene dustcaps
Impedance: Dual 1-Ohm Voice Coils
Special Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet
Rubber Mounting Gasket Makes it Easy To Mount the Subwoofer Air-Tight.
High BL Magnetic Motor Gap
Nomex Spider is resistant to tearing and has the best long-term reliability over regular cotton and poly cotton spiders
Cutout Diameter: 11.65” inches
Mounting Depth: 8.66” inches
25mm T-Yoke + 15mm Washer
Recone kits available at reasonable prices
Sealed Enclosure Volume: 1.41-1.77 Cubic Feet
Vented/Ported Enclosure Volume: 2.12-2.83 Cubic Feet
Frequency response: 37 Hz - 1K kHz
Sensitivity: 85.9 dB
Weight: 49.61 Lbs.
Shipping Weight: 54 Lbs.
Shipping Box Dimensions: 15.75" x 15.75" x 14.37" Inches
XMAX: 30 MM
TS Parameters:
​​
Parameter
Wired in Series
Description of Measurement
Electrical Parameters
Re
1.7 Ohm
Electrical voice coil resistance at DC
Fo
37.649 Hz
Drive resonance frequency
Mechanical Parameters (Using Laser)
Mms
244.251 g
Mechanical mass of drive diaphragm assembly including air load and voice coil
Mmd (Sd)
238.365g
Mechanical mass of voice coil and diaphragm without air load
Cms
73.163 mm/N
Mechanical compliance of drive suspension
Bl
14.252 N/A
Force factor (Bl product)
Loss Factors
Qms
3.627
Mechanical Q-factor of of drive in free air considering Rms only
Qes
0.414
Electrical Q-factor of drive in free air considering Re only
Qts
0.357
Total Q-factor considering Re and Rms only
Other Parameters
Vas
23.090
Equivalent air volume of suspension
n0
0.246%
Reference efficiency (2 pi-radiation using Re)
Sd
47.144 cm²
Diaphragm area
SPL
85.9dB
sensitivity
Detailed Info:
Body: Non-Pressed Paper Cone
Gap Plate Inside Diameter: 85.5mm (3.37 inches)
Gap Plate Outside Diameter: 210mm (8.27 inches)
Gap Plate Thickness: 15mm (0.59 inch)
Yoke Outside Diameter:210mm (8.27 inches)
Yoke Thickness: 25mm (0.98 inches)
Yoke Pole Diameter: 73.9mm (2.91 inches)
About Rockville Quality Control Procedures:
The Rockville brand stands for Quality, Innovation and Value. We aim to deliver products twice as good as our competitors at a fraction of the cost of famous brands. All Rockville products go through the most rigorous quality control standards in the industry. Products go through months of extensive testing before they reach your hands. All functions and components are tested for quality. Rockville makes products that are virtually un-breakable! Rockville is one of the only brands in its class to have engineers and technicians test every concept model for weeks or months before starting production. Once production begins, Rockville sends product engineers to the factory to quality control every product. After production is complete Rockville has the head of QC in our overseas office test a certain percentage of all products from the production line a second time to ensure that the quality meets our strict standards. All Rockville products are backed with a hassle free warranty.
Return Policy
AudioSavings Return Policy:
At Audiosavings, we strongly believe in customer satisfaction and therefore offer free return shipping within 30 days of purchase on all items returned to us within the continental USA.
Prior to returning merchandise, contact us and we will give you a return authorization # and a return label.
You may return this item for a refund within 30 DAYS of purchase.
Warranty Repair/Exchange Period: 1 YEAR
If your item is defective or you want to return it for any reason within the first 30 days of when it was delivered to you; you have the following options:
We will send you a
pre-paid shipping label
to replace the item for a brand new one.
We will send you a
pre-paid shipping label
to exchange the item for another item of your choice. If the item you chose is more or less money we will work out the price difference with you.
If you are returning a
working item
in used condition for a refund there will be a 20% used item fee deducted from your refund. All replacements and exchanges are free.
Replacement/Processing Time:
Your replacement or refund will process within 3-5 business days of when we receive the item.
Please note
items with physical damage un-related to shipping are not covered under warranty. Registered software cannot be returned.
You
MUST notify us within 48 hours
if you receive an item that was damaged during shipping.
Process for returning items
Please email us with your eBay user ID, Item code / model #, Condition of the item, and the reason for your return. Please also indicate whether you would like a replacement, an exchange, or a refund. We will supply you with a reference number (RMA #) to put on the package which will ensure quick processing of your return.
All returns require a RMA# to be returned back to our facility.
Item Code: DESTROYER 12D1
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