Book In-Home Audition
Copenhagen Acoustic Lab · 22Hz – 45kHz Flat Response

Every overtone revealed,
just as the master tape intended.

Engineered without phase-smearing crossover artifacts. Hand-matched pure aluminum ribbon tweeters with 45kHz frequency extension, paired with 8-inch Egyptian papyrus woofers in 35mm constrained-layer damped American walnut cabinets.

Handcrafted walnut audiophile studio monitor speakers next to vinyl turntable
FREQUENCY RESPONSE
22Hz – 45kHz

±1.5dB linearity from lowest contrabass fundamental to ultrasound overtones.

RIBBON TWEETER MASS
0.012 Grams

Sub-millisecond transient acceleration creates holographic acoustic imaging.

CABINET DAMPING MASS
42 kg / Pair

Solid American walnut constrained-layer bitumen eliminates cabinet coloration.

INTERNAL WIRING
6N Pure Silver

Cryogenically treated solid silver litz wiring with Mundorf gold-oil caps.

PRIVATE LISTENING TRIAL

Experience Aethelgard in Your Listening Room

We deliver a calibrated pair directly to your residence for a 30-day private audition with white-glove setup.