High temperature voice coil former materials and adhe-sives enable the 2447H/J to handle high power levels over extended periods of time. The voice coils themselves are identical to previous JBL models, so that impedance and network matching will be the same.

The 2447H/J features a ferrite (ceramic) magnet structure. If any of the links above result in strange characters in your browser, please right-click the file to save it to your computer.

2447H is an 8 Ω model and 2447J is a 16 Ω model. The phase plug has a coherent wave structure and is designed so that the phase plug can be directly connected to the horn throat. The diaphragm is made of titanium and the edge of the unique diamond surround structure reduces metal fatigue and improves durability.

2015年3月22日 · The JBL 2446 versus the 2447. I am itching to build three nice two way, high efficiency speakers for my ht. These will be used with either the JBL 2226 or the AE TD15M for the bottom octaves. I am also debating on using either the Seos 24 or the JBL 2384 waveguides, depending on which compression driver I choose.

The JBL 2447H is a pro high quality 1.5" high frequency compression driver that handles 150 watts above 1.0kHz; Nice crisp defined sound for the most demanding systems; JBL's newly developed Coherent Wave™ phasing plug design for increased high-frequency output.

スロート径38mmの高域用コンプレッションドライバーユニット。 2447Hは8Ωモデル、2447Jは16Ωモデルです。 フェーズプラグにはコヒーレント・ウェーブ (Coherent Wave)構造を採用しており、ホーンのスロートにフェイズプラグを直接連結できる設計となっています。 ダイアフラムはチタン製で、独自のダイアモンド・サラウンド構造のエッジが金属疲労を減少させ、耐久性を向上させています。 2447の磁気回路にはフェライト磁石を採用しています。

Super Clean! Matched Pair JBL 2447J High Output Drivers And 2381 Flat Face Horns - Look And Sound Great!

The Model 2447J is a 1.5" exit diameter addition to JBL's family of professional quality compression drivers. The 1.5" exit allows the Coherent Wave phasing plug to directly couple with Optimized Aperture Bi-Radial horns to provide lower distortion and better coverage control to 20 kHz than previous designs.

2015年9月22日 · The 2447 has an improved phase plug as well as the 1.5" exit. It is also lighter (they have more magnet than they need on the 2445). The 2450SL diaphragm (it's a coated 2445) sounds much better than the 2450.

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