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NEO 3.x

$469.00

Handmade in USA
Due to COVID-19 all orders can have upto 45 business days lead time

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The NEO 3.x Series of Fi subwoofers is designed to meet the needs of sound quality enthusiasts, the serious competitor,  and monster bassheads alike.

SKU: NEO3.x Categories:

Neo3.5:
Comparable to the older Q series drivers. Great SQ (especially with full cool/IND options. standard 2 spider, but can be made with 3. 1750W. Works in sealed, ported, 4th and 6th order SQ oriented daily applications. 12″, 15″, and 18″ sizes.

Neo3.7:
Comparable to older BTL series drivers. Great tough daily driver with plenty of heritage. Standard 3 spider but can be made with 4 or 5 if needed for increased mechanical durability or SPL specific applications. 2500W. Works well in ported or 6th order applications as well as some high pressure 4th orders. 12″, 15″, and 18″ sizes.

Neo3.9:
Comparable to the Team3 series. High motor force and plenty of attack. Great for SPL or high pressure applications. 2500W+. Standard 4 spider but can be made with 5 or 6 if needed for SPL specific applications. Works great in high pressure ported or 6th order applications. 12″, 15″, and 18″ sizes.

All Neo3.X:

New cooling and inductance features that are set up in stages.  The first stage is a machined aluminum pole sleeve.  This provides better heat wicking and is the first portion of inductance linearizing and reduction.  The second stage is a combination of the pole sleeve and an amluminum domed compression cap.  This increases the compression ratio for cooling as well as adds some outstroke inductance reduction.  The third stage utilizes the pole sleeve, the compression cap, and a thick aluminum finned extrustion that again lowers and linearizes inductance as well as aids in thermal dissipation.  With the third stage we have reduced inductance by almost a factor of 3 over utilizing none of the aluminum.

All leads are stitched in the same pattern and use the bolted terminal block as the original hybrid design.  But we have added push terminals that use this same setup with the ability to handle much larger wire and completely removing the multiple solder and crimp points that could introduce unwanted resistance.

All Neo3.X subs use the high Xmax dual 1 Ohm and dual 2 Ohm coils for 34mm of one way Xmax.

  • Dual 1 and Dual 2 Ohm

  • Extra heavy aluminum basket

  • Wrap around gasket

  • Kraft pulp fiber reinforced cone

  • Dual layer wide foam surround

  • Standard heavy duty stitched hybrid lead or push/hybrid termination

  • 144 tinsel count leads

  • FEA optimized motor

  • 1750W on up depending on options

  • Open column motor design for increased cooling

  • 3” diameter 4 layer aluminum coil

  • Standard or heavy duty coils available

  • N52UH Neo magnets (7,9, or 11)

  • 10″ Progressive spiders (options for 2-6 depending on series)

  • Water jet and machined in house at Fi

  • 3 stage inductance and cooling options

  • 34mm Xmax

  • 12″, 15″, and 18″

Weight 63 lbs
Dimensions 16 × 16 × 16 in

Thiele-Small Parameters

  NEO 3.5  12 NEO 3.5 15 NEO 3.5 18
Coils DUAL 1 | DUAL 2 DUAL 1 | DUAL 2 DUAL 1 | DUAL 2
FS 29.6 Hz | 29.6 Hz 30.4 Hz | 30.4 Hz 27.6 Hz | 27.6 Hz
RE 0.9 | 1.8 0.9 | 1.8 0.9 | 1.8
QMS 6.98 | 7.01 7.45 | 7.43 8.55 | 8.79
QES 0.41 | 0.41 0.48 | 0.48 0.55 | 0.55
QTS 0.38 | 0.38 0.43 | 0.43 0.52 | 0.52
MMS 297g | 294g 338g | 341g 427g | 428g
CMS N/A N/A N/A
SD 480cm^2 | 480cm^2 810cm^2 | 810cm^2 1210cm^2 | 1210cm^2
VAS 26.11 l | 26.19 l 74.51 l | 75.02 l 159.73 l | 158.33 l
SPL 85.1dB | 85.1dB 88.3dB | 88.3dB 89.7dB | 89.7dB
BL  15.6N/A| 21.1N/A 15.6N/A| 21.1N/A 15.6N/A| 21.1N/A
XMAX 34mm (One Way) 34mm (One Way) 34mm (One Way)
RMS 1750W 1750W 1750W

Technical Specifications

  NEO 3.5  12 NEO 3.5 15 NEO 3.5 18
Overall Diameter 12.500” 15.625” 18.500”
Cutout Diameter 11.125” 14.125” 16.750”
Mounting Depth 10.00” 11.00” 12.250”
Driver Displacement 0.19cuft 0.21cuft 0.26cuft
Ported Box 1.8-2.5 cuft 3-5 cuft 5-8 cuft

Thiele-Small Parameters

  NEO 3.7 12 NEO 3.7 15 NEO 3.7 18
Coils DUAL 1 | DUAL 2 DUAL 1 | DUAL 2 DUAL 1 | DUAL 2
FS 34.1 Hz | 34.1 Hz 33.3 Hz | 33.3 Hz 29.9 Hz | 29.9 Hz
RE 0.9| 1.8 0.9 | 1.8 0.9 | 1.8
QMS 7.19 | 7.23 8.01 | 7.97 8.91 | 8.79
QES 0.35 | 0.35 0.38 | 0.40 0.45 | 0.47
QTS 0.33 | 0.33 0.37 | 0.38 0.43 | 0.45
MMS 291g | 294g 444g | 435g 516g | 503g
CMS  N/A  N/A  N/A
SD 480cm^2 | 480cm^2 810cm^2 | 810cm^2 1210cm^2 | 1210cm^2
VAS 22.25 l | 22.19 l 63.0 l | 61.37 l 121.04 l | 119.88 l
SPL 86.4dB | 86.4dB 89.3dB | 89.3dB 90.9dB | 90.9dB
BL 17.9 N/A | 25.1 N/A 17.9 N/A | 25.1 N/A 17.9 N/A | 25.1 N/A
XMAX 34mm (One Way) 34mm (One Way) 34mm (One Way)
RMS 2500W 2500W 2500W

Technical Specifications

  NEO 3.7 12 NEO 3.7 15 NEO 3.7 18
Overall Diameter 12.500” 15.625” 18.500”
Cutout Diameter 11.125” 14.125” 16.750”
Mounting Depth 10.00” 11.00” 12.250”
Driver Displacement 0.19cuft 0.21cuft 0.26cuft
Ported Box 1.8-2.5 cuft 3-5 cuft 5-8 cuft

Thiele-Small Parameters

  NEO 3.9 12 NEO 3.9 15 NEO 3.9 18
Coils DUAL 1 | DUAL 2 DUAL 1 | DUAL 2 DUAL 1 | DUAL 2
FS 39.3 Hz | 39.5 Hz 36.0 Hz | 36.0 Hz 32.1 Hz | 32.0 Hz
RE 0.9 | 1.8 0.9 | 1.8 0.9 | 1.8
QMS 7.02 |6.83 7.52 | 7.47 8.21 | 8.39
QES 0.29 | 0.29 0.32 | 0.32 0.34 | 0.34
QTS 0.28 | 0.28 0.31 | 0.31 0.33 | 0.33
MMS 294g | 294g 353g | 355g 419g | 413g
CMS N/A N/A N/A
SD 480cm^2 | 480cm^2 810cm^2 | 810cm^2 1210cm^2 | 1210cm^2
VAS 17.88 l | 17.71 l 50.88 l | 52.03 l 120.00 l | 118.95 l
SPL 87.6dB | 87.6dB 90.5dB | 90.5dB 92.5dB | 92.5dB
BL 21.2 N/A | 30.0 N/A 21.2 N/A | 30.0 N/A 21.2 N/A | 30.0 N/A
XMAX 34mm (One Way) 34mm (One Way) 34mm (One Way)
RMS 2500W 2500W 2500W

Technical Specifications

  NEO 3.9 12 NEO 3.9 15 NEO 3.9 18
Overall Diameter 12.500” 15.625” 18.500”
Cutout Diameter 11.125” 14.125” 16.750”
Mounting Depth 10.00” 11.00” 12.250”
Driver Displacement 0.19cuft 0.21cuft 0.26cuft
Ported Box 1.8-2.5 cuft 3-5 cuft 5-8 cuft

fedex_ground

Subwoofers & Recones are dispatched via FedEx Ground. Small goods such as sticker packs, various apparel items are shipped via USPS. Upon dispatch of your goods, order status will be updated from “test/pack” to “shipped” which is accompanied with tracking details.

General Information

All orders are custom made to your selected options.  Each order is machined from raw steel and hand made after it is ordered.  This normally takes 10-15 business days, but due to unforseen issues it can take longer. We will note much of this directly on the individual product pages and try to update this weekly.  There are a couple of times a year that we simply can not keep up with sales and these “normal” time lines will not be in effect.  These times normally include Black FiDay and tax season.  During these times we will run batch orders per series and not individual orders.  This increases our overall efficiency, but can put your order into a later build date.  Fi will maintain reasonable communication should an item take longer than our normal 15 business days to make during our normal build seasons.  Often we will post through Facebook and Instagram our batch sequences to give all customers a better time line.  We also note for each item the current lead times (which can be longer than our normal 10-15 business days. Should an item take longer than normal, all refund policies still are in effect.

Delivery Location

Items offered on our website are only available for delivery to the verified billing addresses in the US and Canada. We also accept orders from international customers who are shipping to addresses on an individual basis.  All items will ship direct from our Las Vegas, Nevada location.

Delivery Time

An estimated delivery time will be provided to you once your order is placed. Delivery times are estimates and commence from the date of shipping, rather than the date of order. Delivery times are to be used as a guide only and are subject to the acceptance and approval of your order.  Deliveries will be made through FedEx Ground unless otherwise noted.  Delivery times in the US generally take from 1 to 5 business days depending on how far you are from our facility in Las Vegas, Nevada

Unless there are exceptional circumstances, we make every effort to fulfill your order within [15] business days of the date of your order. Business day mean Monday to Friday, except holidays.

Date of delivery may vary due to carrier shipping practices, delivery location, method of delivery, and the items ordered. Products may also be delivered in separate shipments.

Delivery Instructions

We will only ship to the customers billing address.  No exceptions.  All orders are shipped with direct signature required.  We will not ship orders without direct signature, sorry if this causes any inconvenience.  Fedex will send an email to your customer supplied email address once the order has shipped.  This normally happens after 6PM PST on the day it is picked up.

Shipping Costs

Shipping costs are based on the weight of your order and the delivery method. To find out how much your order will cost, simple add the items you would like to purchase to your cart, and proceed to the checkout page. Once at the checkout screen, shipping charges will be displayed.

Additional shipping charges may apply to remote areas or for large or heavy items. You will be advised of any charges on the checkout page.  

All shipping rates are pulled directly from our FedEx rate chart.  We do not charge extra over our actual cost from FedEx.  Fi also pays from its own pocket for DSR (Direct Signature Required) and Insurance for any order over $500.

Damaged Items in Transport

If there is any damage to the packaging on delivery, contact us immediately.  A claim will need to be filed with Fedex.  In contacting us please have your order number (it has been emailed to you and is on the shipping label) and your tracking number (emailed to you and on the shipping label) ready to expedite the claims policy.

Questions

If you have any questions about the delivery and shipment or your order, please contact us.

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