Lyngdorf is a Danish audio brand that specializes in high-end audio products.

Lyngdorf

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Lyngdorf Audio, known for their high-quality sound systems, extends their expertise into the custom installation speaker domain with their latest models, the D-500 and D-5. These models represent the first dedicated installation speakers by Lyngdorf and follow the company’s already successful audio solutions that include the MH and FR on-wall speakers, BW boundary woofers, and the CS-1 cabinet speaker. The introduction of the D series solidifies Lyngdorf's presence in the stereo and multichannel installation market.

The D series is aptly named for its discreet nature, as these speakers are specifically designed for unobtrusive integration into either wall or ceiling environments. The D-500 and D-5 stand out by incorporating a wall-fixing mechanism with mounting legs that simplify installation. Each model is equipped with its own loudspeaker enclosure, eliminating the need for an aftermarket backbox or a closed wall cavity. This innovative design not only streamlines the setup process but also ensures that sound performance remains high and consistent, irrespective of the wall construction or space limitations behind it. The focus on ease of installation and maintaining high-quality audio performance makes the D-500 and D-5 ideal for both residential and professional settings seeking superior sound with minimal visual impact.

D-5 & D-5 IC


Luxman recently unveiled its latest creation - the Luxman PD-191A turntable. This new product marries vintage design elements with cutting-edge audio technology, aiming to offer a superior vinyl playback experience.

**Design and Features:** The Luxman PD-191A is not just a turntable; it's a statement piece. It features a 15 mm thick aluminum top plate paired with a hefty 5.2 kg aluminum platter, giving it a robust and vintage appearance. This design isn't just for looks; it plays a crucial role in the turntable's audio performance.

**Innovative Tonearm:** A standout feature of the PD-191A is its tonearm. Developed in collaboration with SAEC, experts in analog audio from Japan, the tonearm boasts a vertical knife-edge bearing, enhancing its sensitivity. This design minimizes tracking error while also improving vibration damping, crucial for high-fidelity audio reproduction.

**Advanced Speed Control:** The PD-191A employs a sophisticated system for maintaining consistent platter speed. A sinusoidal/PWM power supply feeds stable DC current to a brushless motor, controlled through a Proportional Integral Differential (PID) system. This level of precision ensures that your vinyl records play at the exact speed, a critical factor for audio quality.

**Aesthetics and Build Quality:** The PD-191A's aesthetic appeal is undeniable. The precision-machined platter with a diamond-cut pattern is visually striking, while the contrast between the rosewood-finished base and the brushed aluminum top panel adds a touch of elegance. The turntable's design also includes a strobe window and separate speed adjustments for 33 1/3, 45, and 78 rpm, adding to its vintage charm.

**Other Notable Features:** Luxman didn't stop at just looks and basic functionality. The PD-191A comes equipped with various high-quality components, such as PEEK thrust bearings, brass radial bearings, a large-diameter center element, detachable output, and gold-plated AC input. The attention to detail extends to the included accessories, like a flat-head screwdriver for rotation speed adjustment and an Allen key for arm base removal.

**Price and Availability:** Positioned as a premium product, the Luxman PD-191A carries a price tag of approximately 11,600 euros. It's a significant investment, reflecting its high-end build quality and performance capabilities.

The Luxman PD-191A is more than a turntable; it's an audio masterpiece. With its combination of vintage design, modern technology, and meticulous craftsmanship, it's designed to satisfy the most discerning audiophiles. While this turntable is a significant investment, its performance and build quality justify the price for those who seek the ultimate vinyl listening experience.

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Luxman PD-191A Turntable: A Blend of Vintage Aesthetics and Modern Technology

Luxman PD-191A: Vintage Aesthetics, Advanced Audio Tech


### Introduction to Room Acoustics

#### [The Importance of Room Acoustics in Recording and Playback](https://hifi.fan/article/the-importance-of-room-acoustics-in-recording-and-playback)

Understanding the acoustical properties of a room is not just an academic exercise; it's a critical factor in both recording and playback scenarios. The physical attributes of the space influence sound quality to such a degree that even the most advanced equipment may not reach its potential in a poorly designed room. [continue reading...](https://hifi.fan/article/the-importance-of-room-acoustics-in-recording-and-playback)

#### [Fundamental Concepts: Sound Waves, Frequency, Amplitude](https://hifi.fan/article/fundamental-concepts-sound-waves-frequency-amplitude)

To fully grasp the complexity of room acoustics, one must understand the basic principles of sound. Sound travels in waves, characterized by their frequency and amplitude. Frequency refers to the pitch of the sound, while amplitude denotes its loudness. [continue reading...](https://hifi.fan/article/fundamental-concepts-sound-waves-frequency-amplitude)


#### [Problems Caused by Poor Room Acoustics: Echo, Flutter, Phase Issues](https://hifi.fan/article/problems-caused-by-poor-room-acoustics-echo-flutter-phase-issues)

Inadequate acoustics can lead to various problems, such as echo, flutter, and phase issues. Echo is a time-delayed repetition of sound, while flutter is a series of rapid, repeated echoes. Phase issues occur when sound waves interact in a way that causes them to either reinforce or cancel each other out. [continue reading...](https://hifi.fan/article/problems-caused-by-poor-room-acoustics-echo-flutter-phase-issues)

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### Understanding Acoustic Terminology

#### [Definitions of Terms: Reverberation, Absorption, Reflection, and Diffusion](https://hifi.fan/article/definitions-of-terms-reverberation-absorption-reflection-and-diffusion)

A proper understanding of acoustical terminology is essential for effective room treatment. Reverberation refers to the persistence of sound in a space after the original sound has ceased. Absorption is the process by which a material takes in sound energy, thereby reducing reflected sound. Reflection, conversely, occurs when sound bounces off a surface. Diffusion is the dispersal of sound energy in multiple directions. [continue reading...](https://hifi.fan/article/definitions-of-terms-reverberation-absorption-reflection-and-diffusion)

#### [Introducing Acoustic Metrics: NRC (Noise Reduction Coefficient), STC (Sound Transmission Class)](https://hifi.fan/article/introducing-acoustic-metrics-nrc-noise-reduction-coefficient-stc-sound-transmission-class)

Acoustical metrics such as the Noise Reduction Coefficient (NRC) and Sound Transmission Class (STC) are quantitative measures used to describe a material's acoustical properties. NRC indicates how effective a material is at absorbing sound, while STC measures how well it prevents sound transmission between spaces. [continue reading...](https://hifi.fan/article/introducing-acoustic-metrics-nrc-noise-reduction-coefficient-stc-sound-transmission-class)

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### The Science of Sound Absorption

#### [How Different Materials Absorb Sound](https://hifi.fan/article/the-science-of-sound-absorption)

Various materials exhibit distinct sound-absorbing properties. Understanding these differences is critical for effective room treatment. [continue reading...](https://hifi.fan/article/the-science-of-sound-absorption)

#### [Types of Sound-Absorbing Materials: Fiberglass, Foam, Rockwool](https://hifi.fan/article/analyzing-material-sound-absorption-a-path-to-acoustic-harmony)

Common sound-absorbing materials include fiberglass, foam, and rockwool. Each has its advantages and disadvantages, influenced by factors such as density, thickness, and surface texture. [continue reading...](https://hifi.fan/article/analyzing-material-sound-absorption-a-path-to-acoustic-harmony)

#### [Health and Safety Considerations](https://hifi.fan/article/the-science-of-sound-absorption#health-and-safety-concerns-in-acoustic-material-selection)

When choosing materials, it's also important to consider health and safety. Some materials may emit volatile organic compounds (VOCs) or pose fire hazards. [continue reading...](https://hifi.fan/article/the-science-of-sound-absorption#health-and-safety-concerns-in-acoustic-material-selection)

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### The Role of Room Geometry

#### [How the Shape and Size of a Room Affect Acoustics](https://hifi.fan/article/the-role-of-room-geometry-a-tale-of-basements-cathedrals-and-living-rooms)

The physical dimensions and shape of a room significantly impact its acoustical properties. Square or rectangular rooms, for instance, are more prone to issues such as standing waves compared to irregularly shaped rooms. [continue reading...](https://hifi.fan/article/the-role-of-room-geometry-a-tale-of-basements-cathedrals-and-living-rooms)

#### [Room Modes and Standing Waves](https://hifi.fan/article/understanding-room-modes-and-standing-waves-in-hi-fi)

Room modes are natural resonances that occur in a room, often resulting in uneven frequency response. These are directly influenced by the room's dimensions. [continue reading...](https://hifi.fan/article/understanding-room-modes-and-standing-waves-in-hi-fi)

#### [Basic Calculations for Identifying Room Modes](https://hifi.fan/article/mastering-room-acoustics-identifying-and-treating-room-modes)

Understanding room modes often involves mathematical calculations to identify problematic frequencies. This information is critical for effective acoustic treatment. [continue reading...](https://hifi.fan/article/mastering-room-acoustics-identifying-and-treating-room-modes)

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### DIY Acoustic Panels

#### [Step-by-step Guide to Creating Your Own Acoustic Panels](https://hifi.fan/article/diy-acoustic-panels-a-step-by-step-guide)

Creating acoustic panels at home is not just an affordable solution; it allows for customization to better suit the needs of your space. We'll walk you through the process, including measuring, cutting, and assembly. [continue reading...](https://hifi.fan/article/diy-acoustic-panels-a-step-by-step-guide)

#### Material Choices, Tools Needed, and Safety Precautions

Selecting the right materials is essential. Choices range from rockwool to fiberglass, each with specific acoustic properties. Necessary tools typically include a measuring tape, utility knife, and safety equipment like gloves and masks.

#### Tips for Effective Panel Placement

Placement is crucial for the efficacy of acoustic panels. Focus on early reflection points and areas where sound waves are likely to bounce multiple times.

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### The Utility of Bass Traps

#### The Importance of Low-Frequency Absorption

Low frequencies are often the most problematic in room acoustics. Bass traps can mitigate issues like room modes and standing waves in the lower end of the frequency spectrum.

#### DIY Bass Traps vs. Commercial Options

While commercial options provide ease and certainty, DIY bass traps offer affordability and customization. The trade-off usually comes in the form of time investment and the potential for less-than-optimal performance if not properly constructed.

#### Where to Place Bass Traps for Optimal Performance

Common placements include room corners and wall-ceiling intersections. The aim is to tackle areas where low frequencies are most likely to accumulate.

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### High-Frequency Treatments

#### Dealing with Treble and Upper-Mid Frequencies

Treble frequencies, though less problematic than bass frequencies, still require attention. Issues might include harshness, sibilance, or an overly "bright" sound signature.

#### The Role of Diffusers

Diffusers are useful in treating high-frequency problems by scattering sound waves, thereby reducing echo and reflections. They are especially effective when used in conjunction with absorptive materials.

#### DIY Options for High-Frequency Treatment

Common DIY options include quadratic diffusers or skyline diffusers. These can be made from wood or other rigid materials and are often chosen for their aesthetic as well as acoustic properties.

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### Utilizing Existing Furniture and Household Items

#### How to Use Bookshelves, Sofas, and Curtains for Acoustic Treatment

While not a replacement for specialized acoustic treatments, furniture can still play a role in improving room acoustics. Bookshelves filled with books can act as diffusers, while sofas can provide some level of sound absorption.

#### Pros and Cons of These ‘Quick Fixes’

The advantage of using existing furniture is, of course, cost-saving and convenience. The downside is that such solutions are usually less effective than purpose-designed acoustic treatments.

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### Measuring and Analyzing Room Acoustics

#### Tools and Software for Analyzing Room Acoustics

Analyzing room acoustics often requires both hardware and software. Microphones, SPL meters, and room analysis software can offer a detailed understanding of your room's acoustic properties.

#### How to Perform a 'Clap Test'

The clap test is a rudimentary but effective method to identify echo and reverb issues. A sharp clap can help you listen for flutter echo and other acoustic anomalies.

#### Real-world Case Studies and Before-After Analysis

Reviewing case studies can offer practical insights. We'll examine specific examples to demonstrate how acoustic treatments have remedied real-world problems.

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### Special Considerations for Different Use-Cases

#### Acoustic Treatment for Home Theaters vs. Recording Studios vs. Listening Rooms

Different spaces serve different purposes and therefore have different acoustic needs. A home theater might require soundproofing, while a recording studio might necessitate accurate sound reproduction.

#### How to Adapt Treatments for Multi-Use Spaces

Multi-use spaces pose unique challenges. Flexible acoustic solutions, such as moveable panels and modular bass traps, may offer the adaptability needed for these types of rooms.

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### Budget-Friendly Solutions

#### Affordable Acoustic Treatment Options

Even on a tight budget, basic treatments like DIY panels and judicious furniture arrangement can bring about substantial improvements.

#### The Impact of Room Treatment on a Tight Budget

Budget constraints don't have to stop you from achieving better acoustics. Low-cost solutions can still be effective to a point, although they may require more time and ingenuity.

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### Conclusion

#### Summary of Key Takeaways

By now, you should have a solid understanding of room acoustics, from the fundamental science to practical solutions for a variety of spaces.

#### Next Steps for Implementing Your Room Treatment

With the theoretical knowledge in hand, the next step is to implement these changes in your own space. Consistent measuring and tweaking are crucial for optimal results.

#### Additional Resources for Further Learning

Beyond this guide, numerous textbooks, courses, and online resources can deepen your understanding and skills in room acoustics.

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The Art and Science of Room Acoustics

Discover the keys to perfect sound quality with this complete guide on room acoustics. Covering everything from sound fundamentals and materials to budget-friendly DIY solutions, this article serves as your ultimate roadmap to acoustic mastery, ideal for audiophiles, recording engineers, or anyone who loves great sound.


Totaldac has announced the launch of its latest innovation - the D1-Driver-sublime. This new product is an advanced amplifier driver, specifically designed for audio systems that primarily utilize a Digital-to-Analog Converter (DAC) as their source.

#### Key Features of the D1-Driver-Sublime:

-   **Analog Driver Functionality**: Primarily serving as a connection between a DAC and an amplifier, the D1-Driver-sublime is an analog driver that addresses the ongoing debate about the benefits of using a preamp in modern audio systems.
    
-   **No Volume Control Design**: Unique to the D1-Driver-sublime is its lack of a volume control feature, a deliberate choice to rely on the DAC's volume control. This design is intended to deliver the best sound quality with minimal noise and user-friendly volume control from the DAC's remote.
    
-   **Advanced System Gain Control**: The device includes an analog attenuation feature of -15.5dB, useful when the overall system gain is too high. This feature is activated via a switch on the rear panel, utilizing precision resistors for accurate control.
    

#### Technical Specifications:

-   **Versions Available**: The D1-Driver-sublime comes in a one-box stereo version with RCA inputs and outputs, and a two-box monobloc version with additional XLR inputs and outputs.
    
-   **Class A Design**: The device boasts a high bias current Class A design, ensuring natural low output impedance and low distortion.
    
-   **Low Noise Level**: Thanks to its discrete design and external power supply, the D1-Driver-sublime achieves an extremely low noise level.
    

#### Customization Options:

-   **Damping Feet**: Optional custom damping feet are available for improved sound quality.
    
-   **Output Choices**: Users can opt for additional outputs for various components like subwoofers or headphone amplifiers.
    

#### Pricing and Availability:

The Totaldac D1-Driver-sublime is now available for purchase. For more details on pricing and availability, interested customers are encouraged to visit Totaldac's official website or authorized dealers.

This release marks a significant development in Totaldac's product line, offering audiophiles and music enthusiasts a new level of audio experience with enhanced sound quality, dynamic range, and minimal distortion.

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Totaldac Revolutionizes Audio with D1-Driver-Sublime: The No Volume Control Design That's Changing the Game

Embrace the future of sound with Totaldac's D1-Driver-Sublime, a high bias current Class A amplifier for unmatched audio quality.

D-5 & D-5 IC

by Lyngdorf

Features

Interesting articles

Luxman PD-191A Turntable: A Blend of Vintage Aesthetics and Modern Technology

The Art and Science of Room Acoustics

Totaldac Revolutionizes Audio with D1-Driver-Sublime: The No Volume Control Design That's Changing the Game