Condition: BRAND NEW IN ORIGINAL PACKAGING

Warranty: 1 YEAR AUDIOSAVINGS

Features:

• Rockville VS12K54 Single 12" K5 1400w Car Subwoofer Pre-loaded In Vented Sub Enclosure
• Peak Power Handling: 1400 Watts
• Program Power Handling: 700 Watts
• CEA Rated RMS Power Handling: 350 Watts
• Final Impedance: 4 Ohm
• ¾” MDF enclosure
• Bonded stapled and braced
• Computer designed vents
• Angled at 15 % for perfect bass alignment
• High quality aviation grade tweed carpet
• Satin Nickel speaker wire push terminals
• Enclosure air space is 1.52 Cu Ft per sub
• Vent dimensions (inches): 2.25" x 7" x 8.5"
• Tuning frequency of enclosure: 35 Hz
• 2" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire
• The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire
• 50 Oz High Quality Magnet
• Cast Iron Basket With Black Sanded Finish
• Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it
• Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion
• Blue Stitching Cone Reinforcement Ensures Long Life
• Polypropylene Dustcap
• Gold-Plated spring loaded push terminals
• Impedance: Single 4-Ohm Voice Coils
• Vented Hole on T-yoke Enhances Heat Dissipation
• Mounting Gasket with Rockville branding makes it easy to mount the subwoofer air-tight
• High BL Magnetic Motor Gap
• High grade black glue that handles extremely high temperatures which allows our woofer to handle even more power
• Cutout Diameter: 11.02” inches
• Mounting Depth: 5.03” inches
• Frequency Response: 25 Hz - 1.5K kHz
• 6mm T-Yoke + 6mm Washer
• Sensitivity: 88dB
• Weight: 10.1 Lbs.
• Loaded enclosure weight: 37.4 Lbs.
• Loaded enclosure dimensions (inches): 18.25” x 14.25” x 16.25”

Detailed Info:

• Body: Non-Pressed Paper
• Gap Plate Inside Diameter: 80mm (3.14 inches)
• Gap Plate Outside Diameter: 156mm (6.14 inches)
• Gap Plate Thickness: 25mm (0.98 inches)
• Yoke Outside Diameter: 145mm (5.7 inches)
• Yoke Thickness: 6mm (0.23 inches)
• Yoke Pole Diameter: 50mm (2 inches)

T/S Parameters (Tested on a Klippel):

Electrical Parameters

• Electrical voice coil resistance at DC: Re 3.31 Ohm
• Requency independent part of voice coil inductance: Le 0.944 mH
• Para-inductance of voice coil: L2 1.468 mH
• Electrical resistance due to eddy current losses: R2 14.7 Ohm
• Electrical capacitance representing moving mass: Cmes 871.67 µF
• Electrical inductance representing driver compliance: Lces 20.9 mH
• Resistance due to mechanical losses: Res 31.48 Ohm
• Driver resonance frequency: fs 37.3 Hz

Mechanical Parameters

Using laser

• Mechanical mass of driver diaphragm assembly including air load and voice coil: Mms 130.02 g
• Mechanical mass of voice coil and diaphragm without air load: Mmd (Sd) 117.731 g
• Mechanical resistance of total-driver losses: Rms 4.738 kg/s
• Mechanical compliance of driver suspension: Cms 0.14 mm/N
• Mechanical stiffness of driver suspension: Kms 7.14 N/mm
• Force factor (Bl product): Bl 12.213 N/A
• Suspension creep factor: Lambda s 0.028

Loss factors

• Total Q-factor considering all losses: Qtp 0.612
• Mechanical Q-factor of driver in free air considering Rms only: Qms 6.429
• Electrical Q-factor of driver in free air considering Re only: Qes 0.675
• Total Q-factor considering Re and Rms only: Qts 0.611

Other Parameters

• Equivalent air volume of suspension: Vas 47.7813 (1)
• Reference efficiency (2 pi-radiation using Re): n0 0.353 %
• Haracteristic sound pressure level (SPL at 1m for 1W @ Re): Lm 87.67 dB
• Nominal sensitivity (SPL at 1m for 1W @ Zn): Lnom 88.5 dB
• Root-mean-square fitting error of driver impedance Z(f): rmse Z 3.94 %
• Root-mean-square fitting error of transfer function Hx (f): rmse Hx 2.2 %
• Diaphragm area: Sd 490.87 cm2

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.