Thivanlabs

Thivanlabs High End Tube Amplifier & Loudspeaker Manufacturer
In house Design - Engineering - Handcrafting with the best innovation, creativity and finishing

ThivanLabs is an audio brand owned and managed by Chau Nam Khue Group. We research, design and make high quality vacuum tube audio equipment, loudspeaker and offer service of setting up hi-end home sound system. Our vacuum tube audio equipment and loudspeakers have been distributed in many regions all over the country and international market. To our philosophy, a hi-fi product not only reproduces

the high fidelity of sound but also deliveries the deep emotion of music, despite that is classical music or lyrical music. Music is always enchanting and fascinates everyone’s heart so our desire is creating the products being able to perform those astonishing melodies best. Following the aim and objective of development above, nearly 150 models have been made by our highly skilled electrical engineers and in-house production. Our popular product lines almostly cover the full type of vacuum tube audio equipment including power amplifier, intergrated amplifier, preamplifier, microphone preamplifier, headphone amplifier, phonostage, digital-to-analog converter (DAC), kit. Our loudspeakers have been researched and developed with the diversity of horn loudspeaker, open baffle speaker, full/half open baffle loudspeaker system, fullrange loudspeaker, center loudspeaker, woofer loudspeaker, super woofer loudspeaker system as well as the various types of bookshelf speaker and floorstanding speaker. Our products are considerately styled and designed to bring a powerful and luxurious appearance as well as a durability to the products. The components are technically produced, carefully selected and combined to create the complete layout of product with the harmony and balance. As a result, our loudspeaker and vacuum tube equipment at present persuasively match and work well in most of all of listening room sizes. We are always the believable companion of customers in the endless journey of hi-fi music passion.

AUTO-BIAS – An Unrestricted 300B Tube Experience!The Flamingo 300-X features Auto-Bias operation for all tubes, allowing...
28/08/2026

AUTO-BIAS – An Unrestricted 300B Tube Experience!

The Flamingo 300-X features Auto-Bias operation for all tubes, allowing you to explore a wide range of 300B tubes from different manufacturers without having to worry about manual bias adjustment.

With the incredible variety of 300B tube brands and models available today, tube rolling becomes a truly fascinating experience. Each manufacturer has its own design philosophy, engineering principles, and manufacturing approach, resulting in 300B tubes with their own distinctive sonic character – much like people, each with a personality of their own!

And that is not all. Many manufacturers offer multiple 300B product lines, with each series bringing its own particular strengths and sonic characteristics.

For audiophiles, this can be both a game and a hobby.

For some, the goal may be to find the perfect combination that matches their personal sonic preferences, or to achieve the right synergy with an existing system. For others, the journey can be even more exciting – not simply about finding a particular sound that suits their taste, but about embarking on an endless exploration of the sonic differences created by different tube combinations.

🎶We don't just give you a great amplifier. We give you the freedom to experience music in the most diverse ways possible.

🎼Experiencing FLAMINGO 300-X at
AV SHOW Saigon * 11-13 September 2026 *
Saigon Prince Hotel, Ho Chi Minh City, Vietnam

🎼Trải nghiệm FLAMINGO 300-X tại
AV SHOW Saigon * 11-13 tháng 9/2026 *
Saigon Prince Hotel, Ho Chi Minh City, Vietnam






The Flamingo 300-X represents our latest 300B-based tube amplifier design, engineered to fully realize the exceptional s...
27/08/2026

The Flamingo 300-X represents our latest 300B-based tube amplifier design, engineered to fully realize the exceptional sonic potential of the 300B through our latest-generation output transformer technology, exclusively developed and manufactured in-house by ThivanLabs.

Among all vacuum tubes used in audio, the 300B holds a special place in the hearts of audiophiles for its uniquely captivating sound — rich, delicate, and effortlessly seductive. Since 2009, we have devoted over 17 years to exploring and refining the full capabilities of the 300B, continuously optimizing both its performance and its musical expression. Throughout this journey, numerous configurations have been developed and perfected — from Push-Pull and Single-Ended amplifier topologies to innovative applications of the 300B in preamplifier stages, including dedicated 300B preamplifiers designed to convey music with the utmost nuance and refinement.

The Flamingo 300-X inherits a wealth of these technological achievements, culminating in a design that embodies our latest standards of sonic excellence. It is configured as a Single-Ended amplifier featuring four 300B tubes in the output stage, complemented by two 12AU7 and two 6V6 tubes in the preamplifier stage. Delivering 16W RMS, this Single-Ended architecture brings out the full musicality of the 300B, offering an emotionally engaging and richly expressive listening experience.

Each Flamingo 300-X is meticulously assembled using true point-to-point wiring under strict quality control. This demanding construction method requires exceptional craftsmanship and precision — not only to ensure long-term reliability, but also to achieve optimal circuit integrity. Our refined point-to-point techniques enhance internal layout clarity while minimizing noise, ensuring stable operation and long-term durability, and significantly reducing the risk of component degradation over time.

The sonic performance of the Flamingo 300-X reaches a remarkable level of refinement, thanks to the exclusive use of our latest-generation output transformers (OPT), specifically optimized for the 300B tube. The output transformer is arguably the most critical component in a Single-Ended tube amplifier, responsible for transferring energy from the tubes to the loudspeakers. With decades of experience and the production of tens of thousands of transformers across a wide range of designs, we have accumulated deep expertise in this crucial field.

The amplifier delivers a wide frequency response of 10Hz–30kHz with low distortion, achieved without the use of feedback in order to preserve natural dynamics and tonal authenticity. Our custom-designed output transformers are deliberately substantial in mass — a key factor in achieving superior sound quality. Undersized transformers, by contrast, limit low-frequency performance, resulting in weakened and less controlled bass. They also require thinner winding wire, increasing impedance and leading to signal loss, ultimately compromising dynamics and detail, particularly during demanding musical passages. While some amplifiers rely on feedback to compensate for these limitations, such approaches often improve measurements rather than true sonic performance, and can constrain the natural openness and fluidity of the sound. In this context, the mass and quality of the output transformer remain fundamental to authentic musical reproduction.

Another distinctive advantage of the Flamingo 300-X lies in its use of interstage transformer coupling (IT). This design ensures consistent frequency balance across varying power levels, maintaining musical coherence even at low listening volumes. The result is a highly balanced presentation, with clear imaging, full-bodied sound, and excellent detail retrieval.

The Flamingo 300-X also features selectable sound modes, including Dynamic and High Dynamic, offering listeners greater flexibility in shaping their listening experience. In Dynamic mode, the amplifier delivers a well-balanced presentation with excellent musicality, while High Dynamic mode enhances scale and energy, producing a more expansive and open soundstage.



Experiencing FLAMINGO 300-X at
AV SHOW Saigon * 11-13 September 2026 *
Saigon Prince Hotel, Ho Chi Minh City, Vietnam

Trải nghiệm FLAMINGO 300-X tại
AV SHOW Saigon * 11-13 tháng 9/2026 *
Saigon Prince Hotel, Ho Chi Minh City, Vietnam







26/08/2026

🇧🇪 ULTIMATE 300 – Now Officially Present in Germany!

The ULTIMATE 300 is a top-tier tube preamplifier and phono stage within ThivanLabs’ vacuum tube amplification lineup.

The Ultimate 300 represents the pinnacle of vacuum tube amplification engineering, designed to deliver an unrivaled level of transparency and dynamic scale. By leveraging the inherent sonic purity of the 300B Single-Ended Triode (SET) topology, combined with high-performance output transformers, the unit captures the most subtle micro-details with exceptional clarity and lifelike delicacy.

To safeguard this delicate signal path, the 300B tubes are integrated into a proprietary, precision-engineered suspension system. This specialized isolation architecture decouples the tubes from the chassis, virtually eliminating the deleterious effects of mechanical resonance and environmental vibrations. The result is an exceptionally low noise floor, allowing the listener to experience the “three-dimensional texture” and “harmonic density” that define the ThivanLabs signature sound.

Thivanlabs_300Bse

26/08/2026

[English below] Bóng 300B có thể coi là một huyền thoại trong lĩnh vực khuếch đại đèn điện tử và được yêu thích bởi rất ...
25/08/2026

[English below] Bóng 300B có thể coi là một huyền thoại trong lĩnh vực khuếch đại đèn điện tử và được yêu thích bởi rất nhiều audiophile chính bởi chất âm ma mị cuốn hút của bóng 300B trong khuếch đại âm thanh. Trong suốt quá trình 25 năm hoạt động trong nền công nghiệp audio, chúng tôi đã có một hành trình ấn tượng 17 năm nghiên cứu phát triển và chế tạo các ampli 300B và xây dựng nên một di sản đồ sộ các mẫu thiết kế khuếch đại sử dụng bóng 300B từ 2009 đến nay.

Hệ sinh thái khuếch đại sử dụng bóng 300B đồ sộ này không chỉ bao gồm các ampli 300B! Cùng với việc sử dụng như bóng công suất, bóng 300B còn được phát triển các mẫu Pre-Amplifier chính bởi đặc tính ưu tú của âm thanh mà bóng này mang lại và mẫu Flagship Pre-Amplifier mới nhất đã được ra mắt gần đây của ThivanLabs là Ultimate 300. Ngoài ra, TMS-9 Extreme, một thiết bị Streaming nhạc đa năng (300B Preamp - DAC - STreamer - MM/MC Phonostage) cũng là một trong những sáng tạo độc đáo được ra mắt gần đây của ThivanLabs.

Dòng sản phẩm khuếch đại bóng 300B của chúng tôi cực kỳ đa dạng từ ampli Push-Pull đến Single-ended. Bóng 300B cũng được ứng dụng như tầng tiền khuếch đại trong các thiết kế Hybrid Tube của thương hiệu Chị Em của chúng tôi MAVIS Lab mang đến một âm thanh cực kỳ xuất sắc với sự chi tiết, tinh tế, sự tự nhiên được bảo toàn tối ưu cùng lúc với độ động siêu cao, khả năng phản hồi và tốc độ âm thanh tuyệt vời, cực kỳ ấn tượng.

Tiếp nối thành công của Flamingo 300B ra mắt năm 2022 - sản phẩm sau đó đã được Fidelity Germany trao tặng danh hiệu **BEST OF 2024**, năm 2023 mẫu Flamingo 300B H&S (Headphone & Speaker) ra đời, vừa có thể sử dụng với các Headphone cao cấp vừa có thể kết hợp với loa trong các hệ thống âm thanh HiFi.

Chúng tôi tự hào rằng thế hệ khuếch đại mới nhất được phát triển bởi ThivanLabs và Mavis Lab đã mang đến khả năng khuếch đại cực kỳ tinh tế, khai thác tối ưu tính ưu việt về đặc tính âm thanh của bóng 300B. Thành tựu này một phần rất lớn đền từ **Công nghệ Biến thế xuất âm ưu việt** mà chúng tôi đã dày công nghiên cứu phát triển và hoàn thiện trong suốt hành trình phát triển.

🎼Năm 2026, một sáng tạo mới với bóng 300B sẽ tiếp tục được giới thiệu đến người chơi âm thanh. Các bạn có đoán được đó là sản phẩm gì không ?

🎼Mẫu 300B mới nhất này sẽ được ra mắt cùng với các mẫu sản phẩm hoàn toàn mới và độc đáo của ThivanLabs và Mavis Lab tại AV SHOW Saigon, Vietnam 11-13 tháng 9, 2026.

🎼Chúng tôi luôn nỗ lực không ngừng nghỉ để mang đến những chuẩn mực âm thanh mới, những sản phẩm mới xứng đáng được sở hữu bởi chính chất lượng âm thanh ưu tú và sự bền bỉ của thiết bị !

Hãy cùng chờ đón thông tin về các sản phẩm mới sắp được tiết lộ từ ThivanLabs và Mavis trong năm 2026!

*************************

The 300B tube can be regarded as a true legend in the field of vacuum tube amplification, beloved by countless audiophiles for its captivating, almost magical sonic character. Throughout our 25-year journey in the audio industry, we have spent 17 impressive years researching, developing, and crafting 300B amplifiers, building an extensive legacy of 300B-based amplifier designs since 2009.

This comprehensive 300B amplification ecosystem goes beyond power amplifiers alone. Thanks to its exceptional sonic qualities, in addition to its role as a power tube, the 300B tube has also been developed into preamplifier designs. Most recently, ThivanLabs's flagship preamplifier model, the Ultimate 300, has been introduced. In addition, the TMS-9 Extreme - a versatile music streaming device integrating a 300B preamplifier, DAC, streamer, and MM/MC phono stage - stands as one of ThivanLabs’ most distinctive and innovative recent creations.

Our 300B amplifier lineup is remarkably diverse, ranging from Push-Pull to Single-Ended designs. The 300B is also utilized in the preamplifier stage of hybrid tube designs by our sister brand, MAVIS Lab, delivering outstanding sound quality with exceptional detail, refinement, and naturalness, combined with superb dynamics, responsiveness, and speed.

Following the success of the Flamingo 300B, launched in 2022 and later awarded BEST OF 2024 by Fidelity Germany, the Flamingo 300B H&S (Headphone & Speaker) was introduced in 2023. This model is designed to drive both high-end headphones and loudspeakers in Hi-Fi systems.

We are proud that the latest generation of amplifiers developed by ThivanLabs and MAVIS Lab achieves an exceptionally refined level of amplification, fully unlocking the sonic excellence of the 300B tube. This achievement is largely attributed to our advanced **output transformer technology**, which we have meticulously researched, developed, and perfected over many years.

🎼In 2026, a new innovation based on the 300B tube will be introduced to the audiophile community. Can you guess what it will be?

🎼This latest 300B model will be unveiled alongside entirely new and unique products from ThivanLabs and MAVIS Lab at AV Show Saigon, Vietnam (September 11–13, 2026).

🎼We remain committed to continuously pushing the boundaries of sound, delivering new benchmarks and products that are truly worth owning thanks to their exceptional sound quality and long-lasting durability.

Stay tuned for exciting new product announcements from ThivanLabs and MAVIS Lab in 2026!




What do you hope to experience at AV SHOW Saigon, Vietnam 11-13 September 2026 ?
23/08/2026

What do you hope to experience at AV SHOW Saigon, Vietnam 11-13 September 2026 ?


THE 833 POWER TUBE AMPLIFIER MASTERPIECEThe amplifier design utilizing the 833 power tube stands as our most brilliant a...
21/08/2026

THE 833 POWER TUBE AMPLIFIER MASTERPIECE

The amplifier design utilizing the 833 power tube stands as our most brilliant achievement, encapsulating 25 years of continuous research and development in the world of high-end audio. As one of the most challenging technical peaks to conquer in the audio industry, mastering it requires a profound depth of experience.

Originally a heavy-duty industrial radio frequency (RF) transmitting tube, "taming" this beast into a Single-Ended Class A audio circuit demands exceptionally sophisticated technological expertise:

* Mastering High Voltage: Operating precisely at thousands of volts to guarantee absolute safety while maintaining natural musicality.

* Massive Output Transformers (OPT): Meticulously calculated to optimize bandwidth, delivering unparalleled power and devastating dynamics to even the most demanding high-end loudspeakers.

* A Breathtaking Soundstage: Recreating an expansive and powerful sonic space while fully preserving the signature subtlety, smoothness, and warmth of vacuum tubes.

Our sincere thanks to our valued partner, Vivaldi Audio, for sharing these beautiful images of a customer's system featuring ThivanLabs SUN 833X and TMS-9 EXTREME.

-------------------------

Setup in the images:

🎼Digital source: ThivanLabs **TMS9 EXTREME**
🎼Amplifier: ThivanLabs **SUN 833-X**
🎼Loudspeaker: Kaiser **KAWERO**
🎼Completely wired by Mavis **AUDIO CABLE**









A beautiful ThivanLabs Ultimate 300 setup at Akustik Strauss, Germany 🎶🎼The latest generation of ThivanLabs’ 300B-based ...
20/08/2026

A beautiful ThivanLabs Ultimate 300 setup at Akustik Strauss, Germany 🎶

🎼The latest generation of ThivanLabs’ 300B-based amplifier designs represents a remarkable leap forward in musicality, detail, coherence, and dynamics. Qualities that may seem impossible to reconcile within a single piece of equipment are brought together and optimized in perfect harmony, complementing one another to deliver an exceptionally engaging sonic experience — one that reaches the heart and touches the emotions of true music lovers.


We are thrilled that our innovations in sound amplification and reproduction are bringing the ultimate musical experienc...
19/08/2026

We are thrilled that our innovations in sound amplification and reproduction are bringing the ultimate musical experience to music lovers worldwide. Simply put - let the sound conquer the most discerning ears, and let the music capture your heart! ✨🎶

🎼 We are proud that all of our premium audio products - including vacuum tube amplifiers, tube preamplifiers, tube phono preamplifiers, tube DACs, and streamers - are built with **In-House Designed & Manufactured Transformers**.

** Output Transformers (OPT)
** Toroidal Power Transformers
** Interstage Transformers (IT)
** PIO Capacitors & Power Chokes

Our design philosophy has always been built around a few core principles:
• Outstanding sound quality.
• Handcrafted construction using true Point-to-Point wiring, requiring many hours of skilled workmanship by experienced technicians.
• Long-term durability and exceptional reliability.
• The best possible customer service and after-sales support.

We are not simply manufacturing audio equipment - we are creating products that combine engineering, craftsmanship, and passion. Every product is assembled and made with the care and dedication of people who take pride in creating something that we consider a true work of audio craftsmanship. Because these products will ultimately become part of someone's musical journey, every detail deserves our full attention.

Years of research, listening tests, engineering, industrial design and meticulous manufacturing go into every product we build. We believe respecting our customers begins with building the very best product we can.

Our goal has never been to build the cheapest products - it has always been to build products that are truly worth owning !

❤️We extend our sincere gratitude to our distribution partners. Your devotion plays a vital role in delivering our standard of audio excellence and musical beauty to passionate listeners worldwide.

Address

Saigon
Ho Chi Minh City
70000

Opening Hours

Monday 09:00 - 18:00
Tuesday 09:00 - 18:00
Wednesday 09:00 - 18:00
Thursday 09:00 - 18:00
Friday 09:00 - 18:00
Saturday 09:00 - 18:00

Telephone

+84902888924

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