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90年を超える歴史の中で、Lowtherは音の芸術に真摯に向き合い、多彩なスピーカーキャビネットを展開するとともに、情熱あふれるDIY愛好家のコミュニティを育んでまいりました。手作りへのこだわりを貫き、すべてのスピーカーは英国にて、長年にわたり磨き上げられた技術によって作られています。

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Acousta 117ラウドスピーカーAcousta 117ラウドスピーカー
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Acousta 117

Acousta 117, refined heritage and effortless musicality.

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ACOUSTA 117

The timeless Lowther classic.

The Acousta 117 stands as Lowther's most enduring design, a folded-horn loudspeaker that has defined the art of single-driver reproduction for generations. Its carefully balanced geometry and handcrafted Baltic Birch cabinet deliver the immediacy, detail, and natural presence that only a Lowther can produce. Modern refinements in damping, adhesives, and finishing bring new stability and warmth to a legendary form. Finished in bespoke matched veneers and handmade in Great Britain, the 117 adapts gracefully to a wide range of spaces, pairing effortlessly with valve amplifiers for an experience that is as emotive as it is revealing. It remains the benchmark for pure, timeless sound.

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Acousta 117 with PM6A Philharmonic driver
Acousta 117 phase plugs detail
Acousta 117 in a home setting
Acousta 117 in a lounge
Acousta 117 with PX4 amplifier
Acousta 117 with vinyl setup
Acousta 117 with speaker fabric
Acousta 117 in beachside listening space
Acousta 117 beachside view from listening position

仕様

Acousta 117の技術寸法

カラーオプション

Bespoke premium matched veneer

ホーンタイプ

Backloaded Voigt horn

ドライブユニットサイズ

8"

推奨されるLowtherドライブユニット

PM6A

他のLowtherドライブユニット

DX2, DX3, DX4, EX2, EX3, EX4, PM6C, PM7A

能率

98–105 dB (room dependent, typically >100 dB system efficiency)

公称インピーダンス

8 ohm nominal

周波数特性

35Hz – 20kHz

寸法(高さ×幅×奥行き)

905mm × 470mm × 375mm

重量

27kg

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英国での手作り

Acousta 117は、すべてノーサンプトンの工房にて受注生産で手作りされています。英国の職人が、最初から最後まで丹精を込めて仕上げます。

最高峰の素材

最高峰の素材

強度と音の純度を両立させるため、高品質なバルティックバーチ合板を使用しています。すべてのパネルは手作業で切り出し、成形し、接合することで完璧な精度を実現しています。

柄合わせ突き板

柄合わせ突き板

天然木や特殊な突板など、豊富な仕上げの中からお選びいただけます。それぞれのペアは木目が自然につながるようブックマッチで仕立てられ、お部屋の空間に美しく調和します。

音の中心にあるもの

音の中心にあるもの

PM7A Philharmonicを含むドライブユニットは、私どものノーフォーク工房で組み立てられます。あらゆる部品が、世界最高峰の楽器と同じ基準で丹念に仕上げられています。

ペーパーコーン

ペーパーコーン

コーン紙は一枚ずつ手作業で処理を施し、自然乾燥のうえ日光にさらして硬化させます。この工程が、Lowtherならではの自然な音色を生み出します。

永く使い続けられる堅牢さ

永く使い続けられる堅牢さ

木材から配線に至るまで、あらゆる要素が幾世代にもわたる耐久性を備えるよう作られています。Lowtherは単なる製品ではなく、時とともに美しさを増していく楽器です。

卓越した手仕事

卓越した手仕事

切断も、接合も、仕上げも、そのすべてを手作業で。長年の経験を積んだ職人が一台一台に向き合い、妥協なき品質をお届けします。

A heritage design for the modern listener

Acousta 117 in oak finish in manor house
Acousta 117 in beachside listening space

Elegant and confident yet understated, the Acousta 117 brings the soul of live performance into the home. Its enduring form, refined craftsmanship, and adaptable nature make it equally at home in traditional or contemporary interiors. This is the speaker that defined the Lowther sound, open, immediate, and emotionally engaging, and continues to inspire audiophiles worldwide.

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Acousta 117を形づくるディテール

The PM6A

The PM6A

The PM6A (with Voigt's whizzer cone design) produces a wide dispersion and an airy, spacious soundstage. Combined with the alnico magnet, the Voigt folded spatial diaphragm reproduces music with a detailed yet balanced midrange and tight, well-controlled bass. The PM6A offers an authentic musical listening experience, perfectly showcasing jazz, classical and acoustic recordings with its clean, natural timbre and ability to resolve fine inner details. The end result is an engaging yet uncoloured presentation that gets out of the way so the music can shine through.

Front facing Voigt horn

Front facing Voigt horn

The Voigt horn plays a key role in extending the Lowther Acousta's frequency response down into the bass region, while maintaining a high standard of clarity, precision and blend with the rest of the frequency range. The horn flares at the front and aims to provide a natural, unfatiguing low frequency response that blends seamlessly and reinforces (rather than overwhelm) the midrange.

Pair with Anything

Pair with Anything

Whether you prefer the warm tones of a tube amplifier, the precision of a solid-state amp, or the efficiency of a class D amplifier, like all our loudspeakers, the Lowther Acousta will flawlessly integrate with your amplifier of choice. The Acousta will also house almost all 8" Lowther drive units, giving you the ultimate flexibility for your own personal musical taste.

お客様の声

世界中のAcousta 117オーナーによる、リアルな体験談

"The 117s surprised me from the first note, they just sound effortless."

"They fill the room with music that feels alive, not just loud."

"I never realised how much texture there was in a double bass until now."

"Every instrument has its place, nothing gets in the way."

"They sound rich at low volume, I don't need to turn them up to feel it."

"I can hear details I didn't know existed on albums I've loved for years."

"They have that perfect balance of warmth and precision."

"It's the kind of sound that makes you sit still and just listen."

"Even after months, they still surprise me with how open they sound."

"Owning a pair feels like having a piece of music history in my home."

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生涯にわたるLowther

動画シリーズを通じて、Lowtherの物語と匠の技、そして情熱をご紹介します。

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エピソード2

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よくある質問

Acousta 117 - よくあるご質問

The Acousta 117 is designed for Medium rooms. Against wall or gently toed-in

Against wall or gently toed-in

The Acousta 117 is designed for 8" Lowther drivers. Recommended: PM6A. Alternative options include: DX2, DX3, DX4, EX2, EX3, EX4, PM6C, PM7A.

The Acousta 117 has a frequency response of 35Hz – 20kHz, a sensitivity of 98–105 dB (room dependent, typically >100 dB system efficiency), a nominal impedance of 8 ohm nominal. It is a handcrafted, made-to-order Lowther loudspeaker. Full specifications and options are confirmed at the time of order.

Yes. Lowther full-range drive units have a genuine break-in period during which the diaphragm suspension relaxes and the sound opens up and smooths out. It is normal for a Acousta 117 to keep subtly improving well beyond 1,000 hours of playing - this is a characteristic of the design, not a fault.

The Acousta 117 is handcrafted to order, with pricing from Mid-premium. Because finishes and drive-unit options are configurable, final pricing is confirmed on enquiry. To request a price or place an order, contact Lowther at hello@lowtherloudspeakers.com or use the enquiry options on this page.