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Description
Sundown Audio - X-Series v.4 15”The Sundown Audio XV4 15 Subwoofer delivers the ultimate low frequency experience for serious bass lovers. Built with the advanced X v. 4 coil design, this subwoofer offers extreme power handling and consistent performance under heavy loads. With up to 3000W RMS and 6000W peak power, it ensures clean, distortion free sound even at the highest volumes. The durable motor structure and optimized cone area (72. 58 in) provide deeper lows and better air
- The Sundown Audio XV4 15″ Subwoofer delivers the ultimate low-frequency experience for serious bass lovers. Built with the advanced X v.4 coil design, this subwoofer offers extreme power handling and consistent performance under heavy loads.
- With up to 3000W RMS and 6000W peak power, it ensures clean, distortion-free sound even at the highest volumes. The durable motor structure and optimized cone area (72.58 in²) provide deeper lows and better air displacement for maximum sound pressure.
- Engineered for flexibility, the XV4 15″ works best in ported enclosures (4.25 cu ft, tuned to 32 Hz) but can also be customized for complex box designs like 4th order setups. Every element — from the high-grade magnet to the precision voice coil — is crafted to deliver unmatched performance and reliability.
- Perfect for audiophiles and competitors seeking solid bass impact, this subwoofer combines engineering excellence and raw power in one package.
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15″ high-performance subwoofer with X v.4 coils
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3000W RMS / 6000W peak power handling
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35mm Xmax for strong linear excursion
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Optimized motor design (9.25″ diameter)
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Recommended ported box: 4.25 cu ft @ 32 Hz
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Robust cone design for high SPL output
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Ideal for competitive and high-end car audio systems
Parameter XV4 15D1 XV4 15D2 RMS Power 3000W 3000W Peak Power 6000W 6000W Displacement 0.26 cu.ft. 0.26 cu.ft. Mounting Depth 12.95″ 12.95″ Outside Diameter 15.51″ 15.51″ Cutout Diameter 13.93″ 13.93″ Motor Diameter 9.25″ 9.25″ Sealed Enclosure Not Recommended Not Recommended Ported Enclosure 4.25 cu ft 4.25 cu ft Recommended Port Tuning 32 Hz 32 Hz Recommended Port Area 68 sq in 68 sq in 4th Order Sealed Side 2.0 cu ft 2.0 cu ft 4th Order Ported Side 6.0 cu ft 6.0 cu ft 4th Order Port Area 120 sq in 120 sq in 4th Order Port Length 8″ 8″ Xmax 35mm 35mm SD (Cone Area) 72.58 in² 72.58 in² RE (Ohms) 3.2 3.74 FS (Hz) 29.91 29.51 Qes 0.55 0.49 Qms 4.87 4.08 Qts 0.49 0.44 BL (NA) 22.32 27.44 Mms (g) 457.51 538.24 CMS 61.87 54.02 Sensitivity 85.29 dB 85.1 dB T/S Specs RMS Power (D2)RMS Power (D1)Peak Power (D1)Peak Power (D2)RE D1 (Ohms)RE D2 (Ohms)FS D1 (Hz)FS D2 (Hz)VAS D1 (L)VAS D2 (L)Qes D1Qes D2Qms D1Qms D2Qts D1Qts D2Le D1 (mH)BL D1 (NA)BL D2 (NA)Mms D1 (Grams)Mms D2 (Grams)Cms D1 (uM/N)Cms D2 (uM/N)Sens D1 (dB @ 1w/1m)Sens D2 (dB @ 1w/1m)Xmax D1Xmax D2Subwoofer Measurements Displacement (Inches)Depth (Inches)Cutout (Inches)Motor Diameter (Inches)Ported Enclosure Specs Ported Enclosure SizeRecommended Port AreaRecommended Port Tuning4th Order Enclosure Specs 4th Order Sealed Side4th Order Ported Side4th Order Port Area4th Order Port Length
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4.5 ★★★★★
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Product Reviews
★★★★★ 3
Bit of a snore
Format: Kindle
Mordecai Tremaine is a retired tobacconist and an amateur detective. He is invited to spend Christmas with an acquaintance in a country manor house who specifically tempts Mordecai Tremaine by hinting at a threat. This story has a period feel to it with servants, snow, secrets, and murder. The pacing is laborious. I hoped that the pace would improve when a murdered person in a Father Christmas suit is found on the floor in front of the Christmas tree. Alas, it was not to be. The character list is very long, and the characters are not well developed. This is the first book in a series featuring Mordecai Tremaine (who is only referred to by last and first names). I have a soft spot for British mysteries, including period British mysteries like those by Ngaio Marsh. While the mystery has its twists and turns as Mordecai Tremaine investigates to assist the police, it never quite clicked for me. I am not likely to read any of the other books in the series.
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Reviewed in the United States on December 6, 2018
★★★★★ 5
Enjoyable Classic mystery
Format: Kindle
I am an avid fan of vintage mysteries, and “English country house” mysteries are among my very favorites in that genre. I enjoyed this one very much and was pleased to see that there were two others available and a couple more being published. This book was my idea of a terrific cozy type mystery, and I enjoyed it very much. The Christmas setting added to its appeal.
Mordecai Tremayne, the detective in this story is just eccentric enough to be interesting without being stereotyped. He observes people, and makes deductions based on these observations, along with his knowledge of human nature. In retrospect, he is almost a bit like male version of Miss Marple, although this did not strike me as a I read the book.
This was a fun book to while away a few hours, and I look forward to reading others in this series. Highly recommended for fans of vintage mysteries, and cozies.
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Reviewed in the United States on August 17, 2018
★★★★★ 4
Leaves You Wanting More
I read about this novel right after Christmas, but I decided to order it anyway. It was not supposed to arrive until some time in February, so I was pleasantly surprised when I received it within a few days of my order. With the snow finally falling in the Chicago area, I knew this would be a good time to read this book.
The book begins with a summary of the case with somewhat overwrought language. However, as it moves on to the characters, it becomes more successful. It is important to remember that the novel was written in the 1940s, which means that we have a world that is slower paced than the 21st century. Of course we are looking at a wealthier segment of society in rural England, but this pace allows us to study the scenery and the characters more carefully. This is a world with a mansion that can house a number of guests for Christmas with these guests being able to stay over a few days with a pleasant host.
The characters are mostly forgettable with the major exception of Mordecai Tremaine as the amateur detective who helps solve the case. He is a character who is unforgettable. The ending is well plotted, and it leaves the taste of a delicious Christmas dinner in the mouth of the reader.
The author, Francis Duncan, wrote in the 1930s and 1940s, and this is the first book of his to be republished. I can only hope that other books by this author will be republished as well and republished soon or at least in time for me to read them by next Christmas. Without knowing anything about his other books, it would be nice to think that I could have other seasonal stories waiting for me in the future. The ending still remains in my mind, even several weeks after I have read the book. It would be delicious to meet Mordecai Tremaine again.
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Reviewed in the United States on January 26, 2016
★★★★★ 5
I read it and LOVE it!!
Format: Paperback
I actually read this book for December 2021 and it was the perfect murder mystery book that takes place during the wintertime! If you like the style of writing from Sherlock Holmes or Agatha Christie then you will love this book! Also, you don't have to worry about reading certain books before this one because the series has its own separate story for each book!
I loved the story so much that I immediate order another book from the series!!
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Reviewed in the United States on December 26, 2021
★★★★★ 3
Not as good as "Murder has a motive"
Format: Kindle
Actually, if one looks at the original copyrights of this book and "Murder has a motive" , it is clear this is the second book, not the first. In addition, the notoriety Mordecai Tremaine gained from the Dalmering case is mentioned in the text of this book.
This book moves much more slowly than " Murder has a motive" and the secrets of the suspects are harder to figure out. I did notice the murderer's slip up during the murder discovery scene. The book ends abruptly and another character who is a psychopath apparently is going to get away without punishment of his despicable behavior that has been going on for a very long time. The plot is original in nature which is a plus.
Because of the plot slowness (I trudged onward to the end) and the lack of justice for the psychopathic character, I had to remove a star for each.
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Reviewed in the United States on March 23, 2021