SKU: 77838814784

HMS 12 B4-LD-C

Sale price$157.71 Regular price$175.23
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Description

HMS 12 B4-LD-CDer Hertz HMS 12 B4 LD C ist ein 12 Zoll (30 cm) Subwoofer fr Marine Anwendungen, ausgelegt fr Free Air Anwendungen. Die Einzelschwingspule mit 4 Ohm, eine Dauerbelastbarkeit von 500 W und 1000 W Peak sind zentrale Merkmale. Der Antrieb nutzt einen Flussferrit Magneten mit hoher Dichte, eine Schwingspule mit 65,5 mm Durchmesser sowie einen Polypropylen Kegel mit UV Inhibitoren. Der Grill verfgt ber integrierte LEDs. Technische Eckdaten umfassen eine

Der Hertz HMS 12 B4-LD-C ist ein 12 Zoll (30 cm) Subwoofer für Marine-Anwendungen, ausgelegt für Free-Air-Anwendungen. Die Einzelschwingspule mit 4 Ohm, eine Dauerbelastbarkeit von 500 W und 1000 W Peak sind zentrale Merkmale. Der Antrieb nutzt einen Flussferrit-Magneten mit hoher Dichte, eine Schwingspule mit 65,5 mm Durchmesser sowie einen Polypropylen-Kegel mit UV-Inhibitoren. Der Grill verfügt über integrierte LEDs. Technische Eckdaten umfassen eine Tiefe von 191 mm, Xmax 19 mm, Fs 30 Hz, SPL 89,5 dB und einen Durchmesser von 300 mm. Weitere Parameter: Re 1,8 Ohm, Le 0,41 mH, Vas 95,4 l, Mms 114 g, Cms 0,225 mm/N, BL 8 Tm, Qts 1, Qes 1,1, Qms 11,1. Maßangaben aus dem Diagramm: A 342,9 mm, B 279,4 mm, C 192,8 mm, D 140,6 mm, F 52,2 mm.

Merkmale
  • 12 Zoll (30 cm) Subwoofer
  • Marine-Subwoofer
  • Free-Air-Auslegung
  • Einzelschwingspule
  • Impedanz 4 Ohm
  • Belastbarkeit RMS 500 W
  • Belastbarkeit Peak 1000 W
  • Grill mit integrierter LED-Beleuchtung
  • Kegel aus Polypropylen mit UV-Inhibitoren
  • Magnet aus Flussferrit mit hoher Dichte
  • Tiefe 191 mm
  • Durchmesser 300 mm
  • Gewicht 7,6 kg
  • Lange lineare Hubfähigkeit
Technische Daten
  • Schwingspule Ø 65,5 mm
  • Magnetgröße 156 x 80 x 40 mm
  • Xmax 19 mm
  • Re 1,8 Ohm
  • Fs 30 Hz
  • Le 0,41 mH
  • Vas 95,4 l
  • Mms 114 g
  • Cms 0,225 mm/N
  • BL 8 Tm
  • Qts 1
  • Qes 1,1
  • Qms 11,1
  • SPL 89,5 dB
  • Maß A 342,9 mm
  • Maß B 279,4 mm
  • Maß C 192,8 mm
  • Maß D 140,6 mm
  • Maß F 52,2 mm
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77838814784

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4.2 ★★★★★
Based on 30 reviews
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A
Verified Purchase
Amazon Customer
New York, US
★★★★★ 4
Soft "cooling" case.
Yes it is very cool when you lay on it. It doesn't stay cold though. Within a minute or 2 to whatever your temp is.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025
C
Verified Purchase
CountryGal
Cuba, US
★★★★★ 5
Great for hair and skin. Great buy.
These pillow cases are great for my hair and skin. They look good, hold up well in the washer and dryer, and the price is great. They are cooling. Of course I wish they could be more cooling, but honestly I'm not sure that's even possible. Great pillow cases. Already bought more for other heads. Would buy again.
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Reviewed in the United States on March 11, 2026
M
Verified Purchase
Melissa
West Palm Beach, US
★★★★★ 1
Hot hot hot. Side sleepers will hate it
At first touch, these are the coldest pillowcases I own … but only for seconds. Once you actually lay on them, within seconds they adjust to your body temp, the heat feels trapped, my head begins to feel hotter than before I laid down - which has in turn caused me loathe these pillow cases. I hate that I have missed the return window. Would never buy again, would never recommend. My satin ones aren’t even this hot! I gave them the good ole 30-day try. Side sleepers - if you are like me and sleep on your side with arm tucked under pillow - flipping this pillow over in hopes of a cold side - forget it, it’s already hot from your arm.
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Reviewed in the United States on August 29, 2025
T
Verified Purchase
Trevor Barton
Chelsea, US
★★★★★ 2
Ehh
Pills up rather quickly
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Reviewed in the United States on June 7, 2026
D
Verified Purchase
Dorothy Gilbertson
Battle Creek, US
★★★★★ 3
Nice but dissapointing
So it sometimes stays cool but if it’s under a blanket and you have your body on it at all it will get warm but the spots you don’t use will get cool sometimes. I am very disappointed in the material though because it’s like my dry skin scratched the pillow case all over which makes me question it and I don’t think I would buy again.
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Reviewed in the United States on December 15, 2025

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