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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
Opus 28mmDer Opus 28mm von Quartorigo ist ein Kalotten Hochtner mit einem Durchmesser von 28 mm. Das Modell verfgt ber eine 28 mm Schwingspule und eine Seidenkalotte. Ein Ferritmagnet untersttzt die technische Struktur des Hochtners. Die Nennbelastbarkeit liegt bei 60 Watt RMS bei einer Impedanz von 4 . Der Frequenzgang deckt den Bereich von 2. 800 Hz bis 20. 000 Hz ab. Die Empfindlichkeit ist mit 89 dB angegeben. Merkmale Kalotten Hochtner Durchmesser: 28 mm
Der Opus 28mm von Quartorigo ist ein Kalotten-Hochtöner mit einem Durchmesser von 28 mm. Das Modell verfügt über eine 28 mm Schwingspule und eine Seidenkalotte. Ein Ferritmagnet unterstützt die technische Struktur des Hochtöners. Die Nennbelastbarkeit liegt bei 60 Watt RMS bei einer Impedanz von 4 Ω. Der Frequenzgang deckt den Bereich von 2.800 Hz bis 20.000 Hz ab. Die Empfindlichkeit ist mit 89 dB angegeben.
Merkmale
- Kalotten-Hochtöner
- Durchmesser: 28 mm
- Schwingspule: 28 mm
- Material Kalotte: Seide
- Material Magnet: Ferrit
- Impedanz: 4 Ω
- Leistung: 60 Watt RMS
- Empfindlichkeit: 89 dB
- Frequenzgang: 2.800 Hz – 20.000 Hz
Technische Daten
- Fs: 797,20 Hz
- Zmax: 10,44 Ω
- ZF1F2: 5,70
- Re: 3,70 Ω
- QMS: 2,94
- Qes: 2,22
- Qts: 1,27
- L10KHz: 0,08 mH
- Lces: 0,33
- Cmes: 120,16
- Res: 4,89
- Zmin: 4,14 Ω
- Zavg: 4,49 Ω
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.4 ★★★★★
Based on 1454 reviews
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Product Reviews
★★★★★ 2
My raptor GSP destroyed this dino toy
Color: Medium - Dilophosaurus, Color: Medium - Dilophosaurus
My dog ripped this toy apart faster than the trex did the lawyer in Jurassic Park. 2 hours! Arm was ripped off, stuffing pulled out methodically over the next to days. Now it is a gutless husk. The metor was kinder to the og dinos than my gsp was to this. Sorry Bite Force. Open to product sampling tho!
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Reviewed in the United States on May 19, 2026
★★★★★ 4
My Hero pup is super happy with it
Color: Large - Billy the Beast Monster
I was super excited to order this and had waited some time to do so. I wanted Big Billy The Beast Monster in large Green, he’s an awesome looking guy. My Golden Retriever was all over me while I was up packaging Him and his tail was in helicopter mode. He was so excited to have it and carried it around the house everywhere we went, he’s laying on me with his head in my lap and Billy’s right next to him. Reason for buying it? Well he loves plushies but there are not many available out there that can stand up to this 80 pound chew monster so I have to keep him on harder stuff, 2 of which are the cheapest toy skull and crosses in orange and blue from a cheap outlet site but he loves them. Orange was first then when we pulled out the blue one he had a aha moment. Now with Billy he was on a whole new level of excitement, I’ve never seen him this excited over a toy, he can’t stop carrying it with him everywhere and showing it off to the other pups I have, there’s no growling or resource guarding but he definitely won’t want to share and that’s of because I always take away any plushies that he gets to because he is serious about chewing. This being made with Kevlar gave me hopes of longevity but he had the ears and the end of 1 hand chewed off in under 2 hours, am I disappointed…yea a little but he has gotten so much joy out of it that it’s made me really happy to have bought it anyway, see he’s my Service Dog so he spends a lot of time being so serious and working that he needs any outlet for spending energy possible and he’s so happy with it that it makes me happy. As I’m writing this he’s asleep with his head in my lap and Billy right next to him looking very tired and happy and that my friends is worth all the beans in the world.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Durable, easy to throw, easy to clean.
My lab loves it! Durable, easy to clean when it gets muddy, and easy to throw.
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Reviewed in the United States on May 21, 2025
★★★★★ 5
Durable, easy to throw, easy to clean.
My lab loves it! Durable, easy to clean when it gets muddy, and easy to throw.
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Reviewed in the United States on May 21, 2025
★★★★★ 5
Momof3
Great toy for my great Pyrenees. Chewed and chewed on this. Lasted longer than most toys!
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Reviewed in the United States on March 21, 2026