Sundown Audio

U Series 18" v.2 (1750 RMS)

Name: U Series 18" v.2 (1750 RMS)
Brand: Sundown Audio
Price: 619.99 USD
Availability: InStock

$619.99 USD

~~$743.99 USD~~ $619.99 USD

Sale Sold out

Shipping calculated at checkout.

{"id":8833829568822,"title":"U Series 18\" v.2 (1750 RMS)","handle":"u-series-18-v-2-1750-rms","description":"\u003cdiv class=\"\" uk-container\u003e \n    \u003cdiv class=\"\" tm-grid-expand uk-child-width-1-1 uk-grid-margin uk-grid uk-grid-stack\u003e\n        \u003cdiv class=\"\" uk-first-column\u003e\n\n\n       \u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003e                        Features (Uv.2-10 \/ 12 \/ 15 \/ 18)                    \u003c\/h3\u003e        \n        \n    \n        \n                \u003cdiv class=\"el-content uk-panel uk-margin-top\"\u003e\u003cul\u003e\n\u003cli\u003eBlack Aluminum 3” voice coil former for superior heat dissipation\u003c\/li\u003e\n\u003cli\u003eHigh Temperature Round-Wire ALU voice coil with high-temp black adhesive\u003c\/li\u003e\n\u003cli\u003eDouble stitched surround\u003c\/li\u003e\n\u003cli\u003eHeavy duty cast baskets – all new, custom-tooled\u003c\/li\u003e\n\u003cli\u003eSpring loaded terminals accept up to 8 gauge\u003c\/li\u003e\n\u003cli\u003eStitched-on double-XL tinsel leads\u003c\/li\u003e\n\u003cli\u003eSolid pole with vent channels and aluminum shorting ring cap\u003c\/li\u003e\n\u003cli\u003eRear drilled gap-venting\u003c\/li\u003e\n\u003cli\u003eInnovative high-velocity cast aluminum vented frame spacer ring\u003c\/li\u003e\n\u003cli\u003eMagnet ID shorting ring\u003c\/li\u003e\n\u003cli\u003eTop-Plate Cooling Channels\u003c\/li\u003e\n\u003cli\u003eCast Aluminum surround bolt-on rings\u003c\/li\u003e\n\u003cli\u003eOptimized for small ported or bandpass enclosures\u003c\/li\u003e\n \u003c\/ul\u003e\u003c\/div\u003e        \n        \n        \n \u003cdiv\u003e\n    \u003ch3 class=\"\" el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\u003eSpecifications\u003c\/h3\u003e\n    \u003cdiv class=\"\" el-content uk-panel uk-margin-top\u003e\n        \u003ch3 class=\"\" uk-h4 uk-margin-remove-top\u003eUv.2-18\u003c\/h3\u003e\n        \u003ctable class=\"\" uk-table uk-table-striped uk-table-small\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth class=\"\" uk-text-nowrap\u003eT\/S Specs\u003c\/th\u003e\n                    \u003cth class=\"\" uk-text-nowrap\u003e\u003cstrong\u003eUv.2 18\"\" D2\u003c\/strong\u003e\u003c\/th\u003e\n                    \u003cth class=\"\" uk-text-nowrap\u003e\u003cstrong\u003eUv.2 18\"\" D4\u003c\/strong\u003e\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eRE (Ohms)\u003c\/td\u003e\n                    \u003ctd\u003e3.8710\u003c\/td\u003e\n                    \u003ctd\u003e6.0767\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eFS (Hz)\u003c\/td\u003e\n                    \u003ctd\u003e30.9541\u003c\/td\u003e\n                    \u003ctd\u003e30.9212\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eVAS (L)\u003c\/td\u003e\n                    \u003ctd\u003e111.7625\u003c\/td\u003e\n                    \u003ctd\u003e114.6901\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eQes\u003c\/td\u003e\n                    \u003ctd\u003e0.5669\u003c\/td\u003e\n                    \u003ctd\u003e0.6572\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eQms\u003c\/td\u003e\n                    \u003ctd\u003e5.6396\u003c\/td\u003e\n                    \u003ctd\u003e5.5116\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eQts\u003c\/td\u003e\n                    \u003ctd\u003e0.5151\u003c\/td\u003e\n                    \u003ctd\u003e0.5872\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eLe (mH)\u003c\/td\u003e\n                    \u003ctd\u003e3.3981\u003c\/td\u003e\n                    \u003ctd\u003e4.7475\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eBL (NA)\u003c\/td\u003e\n                    \u003ctd\u003e27.4023\u003c\/td\u003e\n                    \u003ctd\u003e31.4938\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMms (Grams)\u003c\/td\u003e\n                    \u003ctd\u003e565.4130\u003c\/td\u003e\n                    \u003ctd\u003e552.1551\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eCms (uM\/N)\u003c\/td\u003e\n                    \u003ctd\u003e46.7560\u003c\/td\u003e\n                    \u003ctd\u003e47.9807\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSens (dB @ 1w\/1m)\u003c\/td\u003e\n                    \u003ctd\u003e89.4169\u003c\/td\u003e\n                    \u003ctd\u003e88.8733\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n  \n  \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n","published_at":"2023-10-08T14:49:14-05:00","created_at":"2023-10-08T14:49:14-05:00","vendor":"Sundown Audio","type":"subwoofer","tags":[],"price":61999,"price_min":61999,"price_max":61999,"available":true,"price_varies":false,"compare_at_price":74399,"compare_at_price_min":74399,"compare_at_price_max":74399,"compare_at_price_varies":false,"variants":[{"id":47199715492150,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"U Series 18\" v.2 (1750 RMS)","public_title":null,"options":["Default Title"],"price":61999,"weight":0,"compare_at_price":74399,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-000-e567c11d.webp?v=1713735850","\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-002-609fe3d2.webp?v=1713735851","\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-004-35e682c2.webp?v=1713735850","\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-001-4a23535a.webp?v=1713735850"],"featured_image":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-000-e567c11d.webp?v=1713735850","options":["Title"],"media":[{"alt":null,"id":40337362780470,"position":1,"preview_image":{"aspect_ratio":1.0,"height":580,"width":580,"src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-000-e567c11d.webp?v=1713735850"},"aspect_ratio":1.0,"height":580,"media_type":"image","src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-000-e567c11d.webp?v=1713735850","width":580},{"alt":null,"id":40337362682166,"position":2,"preview_image":{"aspect_ratio":1.0,"height":360,"width":360,"src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-002-609fe3d2.webp?v=1713735851"},"aspect_ratio":1.0,"height":360,"media_type":"image","src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-002-609fe3d2.webp?v=1713735851","width":360},{"alt":null,"id":40337362714934,"position":3,"preview_image":{"aspect_ratio":1.0,"height":360,"width":360,"src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-004-35e682c2.webp?v=1713735850"},"aspect_ratio":1.0,"height":360,"media_type":"image","src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-004-35e682c2.webp?v=1713735850","width":360},{"alt":null,"id":40337362747702,"position":4,"preview_image":{"aspect_ratio":1.0,"height":360,"width":360,"src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-001-4a23535a.webp?v=1713735850"},"aspect_ratio":1.0,"height":360,"media_type":"image","src":"\/\/www.bestsoundcaraudio.com\/cdn\/shop\/files\/Uv2-18-001-4a23535a.webp?v=1713735850","width":360}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv class=\"\" uk-container\u003e \n    \u003cdiv class=\"\" tm-grid-expand uk-child-width-1-1 uk-grid-margin uk-grid uk-grid-stack\u003e\n        \u003cdiv class=\"\" uk-first-column\u003e\n\n\n       \u003ch3 class=\"el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\"\u003e                        Features (Uv.2-10 \/ 12 \/ 15 \/ 18)                    \u003c\/h3\u003e        \n        \n    \n        \n                \u003cdiv class=\"el-content uk-panel uk-margin-top\"\u003e\u003cul\u003e\n\u003cli\u003eBlack Aluminum 3” voice coil former for superior heat dissipation\u003c\/li\u003e\n\u003cli\u003eHigh Temperature Round-Wire ALU voice coil with high-temp black adhesive\u003c\/li\u003e\n\u003cli\u003eDouble stitched surround\u003c\/li\u003e\n\u003cli\u003eHeavy duty cast baskets – all new, custom-tooled\u003c\/li\u003e\n\u003cli\u003eSpring loaded terminals accept up to 8 gauge\u003c\/li\u003e\n\u003cli\u003eStitched-on double-XL tinsel leads\u003c\/li\u003e\n\u003cli\u003eSolid pole with vent channels and aluminum shorting ring cap\u003c\/li\u003e\n\u003cli\u003eRear drilled gap-venting\u003c\/li\u003e\n\u003cli\u003eInnovative high-velocity cast aluminum vented frame spacer ring\u003c\/li\u003e\n\u003cli\u003eMagnet ID shorting ring\u003c\/li\u003e\n\u003cli\u003eTop-Plate Cooling Channels\u003c\/li\u003e\n\u003cli\u003eCast Aluminum surround bolt-on rings\u003c\/li\u003e\n\u003cli\u003eOptimized for small ported or bandpass enclosures\u003c\/li\u003e\n \u003c\/ul\u003e\u003c\/div\u003e        \n        \n        \n \u003cdiv\u003e\n    \u003ch3 class=\"\" el-title uk-text-danger uk-margin-top uk-margin-remove-bottom\u003eSpecifications\u003c\/h3\u003e\n    \u003cdiv class=\"\" el-content uk-panel uk-margin-top\u003e\n        \u003ch3 class=\"\" uk-h4 uk-margin-remove-top\u003eUv.2-18\u003c\/h3\u003e\n        \u003ctable class=\"\" uk-table uk-table-striped uk-table-small\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth class=\"\" uk-text-nowrap\u003eT\/S Specs\u003c\/th\u003e\n                    \u003cth class=\"\" uk-text-nowrap\u003e\u003cstrong\u003eUv.2 18\"\" D2\u003c\/strong\u003e\u003c\/th\u003e\n                    \u003cth class=\"\" uk-text-nowrap\u003e\u003cstrong\u003eUv.2 18\"\" D4\u003c\/strong\u003e\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eRE (Ohms)\u003c\/td\u003e\n                    \u003ctd\u003e3.8710\u003c\/td\u003e\n                    \u003ctd\u003e6.0767\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eFS (Hz)\u003c\/td\u003e\n                    \u003ctd\u003e30.9541\u003c\/td\u003e\n                    \u003ctd\u003e30.9212\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eVAS (L)\u003c\/td\u003e\n                    \u003ctd\u003e111.7625\u003c\/td\u003e\n                    \u003ctd\u003e114.6901\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eQes\u003c\/td\u003e\n                    \u003ctd\u003e0.5669\u003c\/td\u003e\n                    \u003ctd\u003e0.6572\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eQms\u003c\/td\u003e\n                    \u003ctd\u003e5.6396\u003c\/td\u003e\n                    \u003ctd\u003e5.5116\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eQts\u003c\/td\u003e\n                    \u003ctd\u003e0.5151\u003c\/td\u003e\n                    \u003ctd\u003e0.5872\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eLe (mH)\u003c\/td\u003e\n                    \u003ctd\u003e3.3981\u003c\/td\u003e\n                    \u003ctd\u003e4.7475\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eBL (NA)\u003c\/td\u003e\n                    \u003ctd\u003e27.4023\u003c\/td\u003e\n                    \u003ctd\u003e31.4938\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMms (Grams)\u003c\/td\u003e\n                    \u003ctd\u003e565.4130\u003c\/td\u003e\n                    \u003ctd\u003e552.1551\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eCms (uM\/N)\u003c\/td\u003e\n                    \u003ctd\u003e46.7560\u003c\/td\u003e\n                    \u003ctd\u003e47.9807\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSens (dB @ 1w\/1m)\u003c\/td\u003e\n                    \u003ctd\u003e89.4169\u003c\/td\u003e\n                    \u003ctd\u003e88.8733\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n  \n  \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n"}

Product variants

Quantity

Features (Uv.2-10 / 12 / 15 / 18)

Black Aluminum 3” voice coil former for superior heat dissipation
High Temperature Round-Wire ALU voice coil with high-temp black adhesive
Double stitched surround
Heavy duty cast baskets – all new, custom-tooled
Spring loaded terminals accept up to 8 gauge
Stitched-on double-XL tinsel leads
Solid pole with vent channels and aluminum shorting ring cap
Rear drilled gap-venting
Innovative high-velocity cast aluminum vented frame spacer ring
Magnet ID shorting ring
Top-Plate Cooling Channels
Cast Aluminum surround bolt-on rings
Optimized for small ported or bandpass enclosures

Specifications

Uv.2-18

T/S Specs	Uv.2 18"" D2	Uv.2 18"" D4
RE (Ohms)	3.8710	6.0767
FS (Hz)	30.9541	30.9212
VAS (L)	111.7625	114.6901
Qes	0.5669	0.6572
Qms	5.6396	5.5116
Qts	0.5151	0.5872
Le (mH)	3.3981	4.7475
BL (NA)	27.4023	31.4938
Mms (Grams)	565.4130	552.1551
Cms (uM/N)	46.7560	47.9807
Sens (dB @ 1w/1m)	89.4169	88.8733

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