WLM 300 B Speakers: High-Sensitivity Sound for Single-Ended Tube Amps

Experience the rich, dynamic tones of WLM 300 B speakers built for single-ended tube amplifiers with 96 dB sensitivity and natural, expressive sound.

A Speaker Designed for the Soul of Tube Amplifiers

If you’ve ever been enchanted by the warm, intimate glow of a single-ended tube amp, you know it’s less about raw power and more about delicate dynamics and emotional depth. Enter the WLM 300 B, a high-efficiency reference loudspeaker from Wiener Lautsprecher Manufaktur GmbH, crafted especially for these low-wattage tube amplifiers. Audiophiles who crave not booming volume but a rich tapestry of timbres and natural sound delivery will find a kindred spirit in these speakers.

The name itself—300 B—nods to the legendary vacuum tube that’s long been the hallmark of heartfelt, expressive audio. That triode is famed for its transparency, fluidity, and that uncanny feeling of being right there in the music’s presence. The WLM 300 B is tailor-made to coax that magic out of your amplifier.

Sensitivity and Power That Match Your Triode’s Soul

One of the most impressive specs here is a sensitivity rating of 96 dB. That means the WLM 300 B doesn’t need a ton of juice to come alive—it’s fully expressive from just 2 watts per channel. Whether you're rocking a classic single-ended triode amp or a more traditional tube design, these speakers won’t overshadow your amplifier’s character. Instead, they let it shine through, preserving all the nuances and dynamics.

This isn’t about forcing the speaker to impose its own personality but about giving your amp the perfect canvas to paint on.

Innovative Driver Tech for Seamless Sound

What makes the WLM 300 B stand out is its unusual driver setup. The high-frequency section uses a large AMT (Air Motion Transformer) tweeter, which kicks in at a surprisingly low crossover frequency of 900 Hz. This choice is a masterstroke designed to keep the sound cohesive and fluid across the critical midrange and treble frequencies, avoiding any harsh breaks.

Complementing the tweeter is a wooden horn, carved from a solid block of wood. This handcrafted detail serves more than just looks—it helps blend the high frequencies naturally with the midrange, while also enhancing spatial accuracy and dynamic response.

Powerful Bass with Tetracoil Technology

Low frequencies are no afterthought here. The WLM 300 B houses a robust 12-inch driver equipped with Tetracoil technology, which expands the magnetic field for better control and efficiency. Wiener Lautsprecher Manufaktur believes that a large diaphragm not only delivers powerful bass but also enriches the midrange with a fuller, more lifelike body.

When paired with the AMT tweeter, this powerful combo yields a speaker that fuses speed, scale, density, and emotional punch in a way that can truly move you.

The main system’s frequency response extends linearly down below 36 Hz, so you get deep, satisfying bass without needing extra subs for most listening scenarios. But if you crave even more bottom-end authority, an optional upgrade adds two active 18-inch subwoofers, also featuring Tetracoil tech, extending the system’s response down to 22 Hz and all the way up to 22 kHz. That transforms the WLM 300 B into a full-range powerhouse that captures every nuance and the physical foundation of your music.

Crafted for Both Performance and Aesthetic Warmth

The cabinet is a work of art and engineering alike. Made from solid pear wood with walls up to 7 cm thick, it ensures exceptional rigidity and resonance damping. This attention to detail means the sound isn’t colored or muddied by unwanted vibrations—the speakers are as focused as the music they reproduce.

Wiener Lautsprecher Manufaktur offers customization options and works closely with each customer to perfect finishes and configurations, making these speakers not just a high-end audio solution but a personalized statement piece.

WLM 300 B Technical Specifications at a Glance

• Type: Reference speakers optimized for low-power tube amplifiers
• Drivers:
  • HF: Large AMT tweeter in solid wood horn
  • Mid/Low: 12-inch woofer with Tetracoil technology
• Crossover Frequency: 900 Hz
• Sensitivity: 96 dB
• Recommended Amplifier Power: Full performance starts at just 2 watts per channel
• Frequency Response (Main): Linear down below 36 Hz
• Optional Extension: Active subwoofer system with two 18-inch Tetracoil subwoofers
• Frequency Response (Full System): 22 Hz to 22 kHz
• Cabinet Material: Solid pear wood
• Cabinet Construction: Made from a single wood block
• Wall Thickness: Up to 7 cm

"The WLM 300 B doesn’t impose its own character but preserves the unique traits of the connected amplifier."

— Wiener Lautsprecher Manufaktur

The WLM 300 B is a rare breed of loudspeaker that perfectly matches the delicate art of single-ended tube amplification. It invites listeners into a world where every note breathes with life, where sound is more than data, and where music feels like an intimate conversation. Whether you’re a seasoned audiophile or just stepping into the world of tube amps, these speakers deserve your attention.

FAQ

• What makes the WLM 300 B ideal for low-power tube amps?
  Its 96 dB sensitivity allows full expression from just 2 watts, matching the power output of single-ended triode amplifiers perfectly.
• How does the AMT tweeter improve sound quality?
  It provides a smooth, natural treble response starting at an unusually low crossover frequency of 900 Hz, ensuring seamless integration with midrange tones.
• Can the WLM 300 B handle deep bass without a subwoofer?
  Yes, it delivers linear bass down below 36 Hz, sufficient for most listening environments, though optional active subwoofers can extend this further.
• What materials are used in the cabinet construction?
  Solid pear wood with up to 7 cm thick walls, carved from a single block for rigidity and resonance control.
• Is customization available for the WLM 300 B speakers?
  Absolutely, the manufacturer offers various finishes and tailor-made setups to suit individual preferences and room acoustics.

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