SKU: 91064984611

Prima APK 690

Sale price$115.73 Regular price$128.59
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Description

Prima APK 690Audison Prima APK 690 ist ein 6x9 Zoll Lautsprecherset mit AP 1 Hochtner, AP 690 Tieftner und APCX TW 690 Frequenzweiche. Die Belastbarkeit liegt bei 300 W Spitze und 100 W Dauerbetrieb, die Impedanz bei 4 Ohm. Die Frequenzweiche arbeitet als HP 6 dB Okt bei 3,3 kHz und verfgt ber einen Dmpfungsschalter mit 0 dB und +3 dB. Der AP 1 Hochtner nutzt eine 26 mm Membran mit Breitwalzensicke und eine akustische Linse fr den Bereich von 10 kHz bis 13 kHz.

Audison Prima APK 690 ist ein 6x9 Zoll Lautsprecherset mit AP 1 Hochtöner, AP 690 Tieftöner und APCX TW 690 Frequenzweiche. Die Belastbarkeit liegt bei 300 W Spitze und 100 W Dauerbetrieb, die Impedanz bei 4 Ohm. Die Frequenzweiche arbeitet als HP 6 dB/Okt bei 3,3 kHz und verfügt über einen Dämpfungsschalter mit 0 dB und +3 dB. Der AP 1 Hochtöner nutzt eine 26 mm Membran mit Breitwalzensicke und eine akustische Linse für den Bereich von 10 kHz bis 13 kHz. Der AP 690 Tieftöner setzt auf eine 25 mm Schwingspule aus reinem Kupfer, einen wasserabweisend behandelten Papierkonus mit per FEM entwickeltem Profil, optimiert mit dem Klippel R&D Scan Vibrometer. Weitere Merkmale sind reduzierte Einbautiefe, Triple-Wave-Surround-Profil, kompakter Korb mit abrieb- und kratzfester Beschichtung, mit dämpfendem Epoxidkleber befestigter Motor sowie eine Hochstrom-Schnellanschlussklemme mit Doppelkontakt. Die APCX TW 690 wird mit Schnellanschlüssen geliefert.

Merkmale
  • 6x9 Zoll Lautsprecherset
  • Belastbarkeit Spitze 300 W
  • Belastbarkeit Dauerbetrieb 100 W
  • Impedanz 4 Ohm
  • Enthält AP 1 Hochtöner, AP 690 Tieftöner und APCX TW 690 Frequenzweiche
  • Frequenzweichen-Typ HP 6 dB/Okt bei 3,3 kHz
  • Dämpfungsschalter 0 dB / +3 dB
  • AP 1 Hochtöner: 26 mm Membran, Breitwalzensicke
  • Akustische Linse 10 kHz bis 13 kHz
  • AP 690 Tieftöner: 25 mm Schwingspule aus reinem Kupfer
  • Wasserabweisend behandelter Papierkonus
  • Profil entwickelt mit FEM-Simulation, optimiert mit Klippel R&D Scan Vibrometer
  • Reduzierte Einbautiefe
  • Triple-Wave-Surround-Profil
  • Kompakter Korb mit abrieb- und kratzfester Beschichtung
  • Motor mit dämpfendem Epoxidkleber befestigt
  • Hochstrom-Schnellanschlussklemme mit Doppelkontakt
  • Geliefert mit Schnellanschlüssen
Technische Daten
  • Hochtöner Größe 26 mm
  • Tieftöner Größe 690 mm
  • Schwingspulendurchmesser Tieftöner 25 mm
  • Schwingspulendurchmesser Hochtöner 20 mm
  • Magnetgröße Tieftöner 90 x 32 x 15
  • Frequenzgang 40 - 20 k
  • Tieftöner Konusdurchmesser 171 mm
  • Xmax Tieftöner 4 mm
  • Re Woofer 3,1 Ohm
  • Fs Woofer 55 Hz
  • Le Woofer 0,2 mH @ 1 kHz
  • Vas Woofer 37,1 l
  • Mms Woofer 17 g
  • Cms Woofer 0,5
  • Bxl Woofer 5,3
  • Qts Woofer 0,6
  • Qms Woofer 7
  • Qes Tweeter 2,78
  • SPL Woofer 95 dB
  • Gewicht Tieftöner 1,17 kg
  • Gewicht Hochtöner 0,04 kg
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SKU: 91064984611

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CR
New York, US
★★★★★ 5
A #MustRead for cybersecurity practitioners
Format: Kindle
Rick Howard's latest book is the ultimate reference for cybersecurity practitioners, making it an essential read for anyone in the field. With his straightforward and refreshingly irreverent writing style, coupled with his profound technical knowledge, Rick has created a narrative that is easy to understand and grasp. He delves into the foundational aspect of cybersecurity, which he refers to as the cybersecurity first principle, which he then it to specific high-impact strategies. The book has eight well-written chapters providing a comprehensive overview of those strategies. Importantly, Rick then offers an up-to-date and thorough exploration of the complementary capabilities (tactical-level tools) that can be utilized to "reduce the probability of material impact due to a cyber event" - the cyber first principle. In the concluding chapter, Rick succinctly summarizes his contribution to the field, stating, "And that's it. Those are all the tools you need to design, build, and enhance a cybersecurity program based on first principle thinking." This assertion highlights the value of his book as a practical guide for designing and improving cybersecurity programs with a focus on first principles.
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Reviewed in the United States on May 31, 2023
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North Michaels
Natrona Heights, US
★★★★★ 5
Absolute must read if you oversee any portion of a cyber security program!
Format: Paperback
I loved this book. The concepts and ideas presented are a great wake up call for an industry that is so focused on blinking light hardware and the next big technological thing...this book challenges the paradigm that you need to strip your security culture down to some very core ideas...then build a solid security program around your security first principle(s). Without that core idea, you're just throwing away money on tools that may not actually be addressing your root needs. Great read for anyone looking to rethink their security program, security culture, and security spend. BRAVO!
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Reviewed in the United States on June 7, 2025
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Ivan Paul Ninichuck
Grantham, US
★★★★★ 5
Context, Strategies and Wisdom in a single package
Format: Kindle
This was my first book I have read by this particular author. I had spent some time looking for a comphrensive approach to Cyber Security and found many other texts to be lacking. Certain aspects are well documented, but no single source that brought it all together. This is exactly what First Principles brings to the table. As a practicioner that looks for better ways to formulate the objectives of SecOps Use Cases I have found the methods presented in this book to be immensely helpful. I have also given copies aways as a gifts to students who are just entering the field as this is by far the best intro to the long history of Cyber Security that combines the best direction for the future. The historical context that the author brings through first hand experience is beyond a treasure trove. It has been said many times in cheezy ads, but honestly, if you only read one book on Cyber Security make it this one.
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Reviewed in the United States on June 21, 2023
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Oren Yeger
Belleville, US
★★★★★ 5
My title review
Format: Paperback
Great book , up to date and very good reading
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Reviewed in the United States on December 15, 2025
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Lorgan
Louisville, US
★★★★★ 5
Every cybersecurity professional should read this book, probably twice
Format: Audiobook
This is the Phoenix Project for cybersecurity professionals. Every chapter of this book brought clarity and a new perspective from the way industry approaches aspects of cybersecurity. The book won’t be all things to everyone, nor is it perfect, but its the single most practical and effective approach to cybersecurity I’ve found. In a time where IT is excruciatingly complex and securing environments seems like an impossible task, this has been invaluable and has affected how I think about the future. Im not associated with the author in any way. Im just in a leadership role facing these challenges every day and I think this book may some day become mandatory reading in the field.
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Reviewed in the United States on July 23, 2024

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