AUDIO VALVE Baldur 70: Elevating Audio Quality to New Heights


In the world of high-fidelity audio, achieving exceptional sound quality is a pursuit that audiophiles hold dear. A crucial component in this quest is a high-quality sound amplifier that can bring out the full potential of audio sources. In this review, we will be exploring the AUDIO VALVE Baldur 70 amplifier, a powerful and technologically advanced device that promises to deliver an immersive and captivating listening experience.

The Baldur 70 amplifier is part of the prestigious Baldur series by AUDIO VALVE, renowned for their commitment to excellence in sound reproduction. With its innovative features and impressive specifications, this amplifier aims to set new standards in audio performance.

A high-quality sound amplifier plays a vital role in enhancing the audio signal, ensuring accurate reproduction and amplification of sound. Whether it’s for music enthusiasts seeking to experience their favorite tracks with utmost clarity and detail or professionals in recording studios demanding precise sound reproduction, a reliable amplifier is essential.

With the Baldur 70 amplifier, AUDIO VALVE seeks to meet these demands and exceed expectations by combining cutting-edge technology, meticulous craftsmanship, and exceptional performance. In the following sections of this review, we will delve deeper into the technical specifications, design, functionality, sound characteristics, and overall performance of the Baldur 70 amplifier.

Stay tuned as we explore the features that make this amplifier stand out from the crowd and discover how it elevates your audio experience to new heights.

Technical Specifications

The AUDIO VALVE Baldur 70 amplifier is a powerful and versatile audio device that boasts impressive technical specifications. With a power output of 80 watts per channel at 8 ohms, the Baldur 70 delivers a robust and dynamic sound experience.

This amplifier operates in the Push-Pull class A configuration, ensuring exceptional audio quality with minimal distortion. The signal-to-noise ratio (SNR) of 95 dB guarantees a clean and clear sound reproduction, allowing you to enjoy your music without any unwanted background noise. Additionally, the total harmonic distortion (THD) of only 0.3% ensures accurate and faithful audio reproduction.

The Baldur 70 features a range of inputs and outputs to accommodate various audio sources. It includes one XLR analog input and one RCA analog input, providing flexibility for connecting different devices. The amplifier supports a wide frequency response range from 10 Hz to 50,000 Hz, ensuring that every detail of your music is faithfully reproduced.

With its separate terminals for different impedance levels, the Baldur 70 allows you to connect speakers with various resistance ratings without compromising sound quality. This amplifier is compatible with both high-impedance and low-impedance speakers, providing versatility in speaker selection.

Overall, the technical specifications of the AUDIO VALVE Baldur 70 amplifier demonstrate its capability to deliver powerful and high-fidelity audio performance. Whether you are a discerning audiophile or a casual music lover, this amplifier offers exceptional sound quality and versatility to enhance your listening experience.

Design and Construction

The AUDIO VALVE Baldur 70 amplifier boasts an elegant and sophisticated design that is sure to catch the eye of any audio enthusiast. With its sleek black color and compact dimensions of 300mm in height, 325mm in width, and 385mm in depth, it is a visually appealing addition to any audio setup.

The construction of the Baldur 70 is of the highest quality, with attention to detail evident in every aspect. The amplifier is built using premium materials, ensuring durability and longevity. The use of gold or chrome elements adds a touch of luxury to the overall aesthetic.

One notable design feature of the Baldur 70 is its efficient cooling system. The amplifier is designed to dissipate heat effectively, preventing overheating and ensuring optimal performance even during extended listening sessions. This feature not only enhances the longevity of the amplifier but also contributes to its overall reliability.

In terms of reducing interference, the Baldur 70 incorporates advanced shielding techniques to minimize external noise and electromagnetic interference. This results in a cleaner and more accurate sound reproduction, allowing for an immersive listening experience.

The connectors and switches on the Baldur 70 are of exceptional quality. They are sturdy and well-built, providing a secure connection for your audio sources. The switches have a satisfying tactile feel, giving you confidence in their durability and reliability over time.

Overall, the design and construction of the AUDIO VALVE Baldur 70 amplifier exemplify craftsmanship and attention to detail. From its sleek exterior to its efficient cooling system and high-quality connectors, every aspect has been carefully considered to deliver a premium audio experience.


The AUDIO VALVE Baldur 70 amplifier offers a wide range of functionality, making it versatile and adaptable to various audio sources. With its multiple connectivity options, including XLR and RCA inputs, users can easily connect their CD players, computers, smartphones, and other audio devices to the amplifier.

One notable feature of the Baldur 70 is the availability of balance controls and tone adjustments. These controls allow users to fine-tune the audio output according to their preferences, ensuring an optimal listening experience. Whether you prefer a more bass-heavy sound or a more balanced tone, the amplifier provides the flexibility to adjust the audio to your liking.

In addition to balance controls and tone adjustments, the Baldur 70 also offers other operating modes that enhance its functionality. The presence of a volume control allows users to easily adjust the sound level to their desired volume. The amplifier also includes a bias adjustment feature, which enables users to fine-tune the bias current of the tubes for optimal performance.

Overall, the functionality of the AUDIO VALVE Baldur 70 amplifier is impressive. Its diverse connectivity options and adjustable settings make it suitable for a wide range of audio sources and listening preferences. Whether you are a music enthusiast or a professional audiophile, this amplifier offers the flexibility and control you need to enjoy your favorite music with exceptional clarity and precision.

Sound Characteristics

The AUDIO VALVE Baldur 70 amplifier delivers exceptional sound characteristics that will leave any audiophile impressed. Its ability to reproduce audio with stunning clarity and precision sets it apart from other amplifiers in its class.

One notable feature of the Baldur 70 is its outstanding instrument separation. Each instrument is presented with remarkable definition and presence, allowing the listener to fully appreciate the intricacies of the music. Whether it’s a complex orchestral piece or an intimate jazz ensemble, the amplifier effortlessly brings out the individual nuances of each instrument.

The bass response of the Baldur 70 is nothing short of impressive. It delivers deep, tight, and controlled bass that adds weight and impact to every note. The low-end frequencies are reproduced with incredible accuracy, providing a solid foundation to the overall sound presentation.

On the other end of the spectrum, the treble clarity of this amplifier is exceptional. The high frequencies are rendered with utmost precision and detail, ensuring that no subtle nuances are lost in the mix. The treble remains clear and transparent without any harshness or sibilance, resulting in a smooth and pleasing listening experience.

Overall, the sound presentation of the Baldur 70 can be described as dynamic and engaging. It effortlessly captures the energy and emotion of a performance, immersing the listener in a captivating musical experience. Whether you’re listening to classical music, rock, jazz, or electronic genres, this amplifier excels at bringing out the best in each genre.

In conclusion, the sound characteristics of the AUDIO VALVE Baldur 70 amplifier are truly exceptional. Its ability to reproduce audio with stunning clarity, instrument separation, powerful bass response, and detailed treble make it a top choice for discerning audiophiles. Regardless of your preferred music genre, this amplifier will elevate your listening experience to new heights.

Sound Performance

The AUDIO VALVE Baldur 70 amplifier delivers an exceptional sound performance that will transport you into a captivating auditory experience. With its ability to faithfully reproduce audio signals, this amplifier truly shines in terms of clarity, dynamics, and tonal balance across different frequency ranges.

When it comes to clarity, the Baldur 70 excels at providing a transparent and detailed sound reproduction. Every instrument and vocal is rendered with precision, allowing you to hear subtle nuances and textures within the music. The amplifier’s ability to maintain clarity even during complex passages ensures that no detail is lost, providing a truly immersive listening experience.

The dynamics of the Baldur 70 are truly impressive. It effortlessly handles both soft and loud passages, delivering impactful and dynamic sound reproduction. Whether you’re listening to a delicate piano piece or a powerful orchestral composition, this amplifier captures the full range of dynamics with finesse and accuracy.

One of the standout features of the Baldur 70 is its exceptional tonal balance. The amplifier strikes a perfect equilibrium between the lows, mids, and highs, resulting in a natural and cohesive sound signature. The bass response is tight and controlled, providing a solid foundation to the music without overpowering other frequencies. The midrange is rich and expressive, allowing vocals and instruments to shine with warmth and realism. The highs are crisp and detailed, adding sparkle and airiness to the overall sound.

Across different frequency ranges, the Baldur 70 maintains its integrity and delivers an engaging audio performance. From deep rumbling bass lines to soaring high notes, this amplifier ensures that every element of the music is faithfully reproduced with accuracy and precision.

Overall, the sound performance of the AUDIO VALVE Baldur 70 amplifier is nothing short of exceptional. Its ability to convey clarity, dynamics, and tonal balance creates an immersive listening experience that will captivate any audiophile. Whether you’re enjoying your favorite classical symphony or diving into the depths of a rock concert, the Baldur 70 will elevate your musical journey to new heights.


The AUDIO VALVE Baldur 70 amplifier offers several notable advantages that set it apart from its competitors. Firstly, its patented “ABR” system, which automatically controls the delivery of the control signal to the cathode grid of the tube, allows for individual adjustments based on the characteristics of each installed tube. This unique feature ensures optimal performance and maximizes the lifespan of the tubes.

Additionally, the Baldur 70 utilizes four 6AS7G power tubes per channel, a configuration that provides a remarkable power output of 150 watts while maintaining efficiency and reliability. Compared to other amplifiers in its class, this is an impressive feat achieved with just eight output tubes. The presence of LEDs near each tube further enhances user experience by providing real-time feedback on the functionality of each individual tube.

Another advantage of the Baldur 70 is its damping factor of 20, which ensures tight control over speaker movement and delivers precise and accurate audio reproduction across a wide frequency range. This level of control contributes to a more immersive and engaging listening experience.

In terms of design and construction, the Baldur 70 boasts a sleek and elegant appearance with options for gold or chrome elements. Its compact size allows for easy integration into any audio setup without compromising on performance or functionality.

When compared to other models in its price range, the Baldur 70 stands out for its exceptional build quality, attention to detail, and innovative features. It offers a level of performance typically found in higher-priced amplifiers, making it an excellent value for money option for audiophiles seeking high-end sound reproduction without breaking the bank.

Overall, the AUDIO VALVE Baldur 70 amplifier showcases numerous advantages that make it a compelling choice in its category. With its advanced technology, powerful performance capabilities, and attractive design, this amplifier sets itself apart from competitors and delivers an exceptional audio experience that will satisfy even the most discerning listeners.

Value for Money

The AUDIO VALVE Baldur 70 amplifier offers exceptional value for money with its outstanding performance, impressive features, and reasonable price point. When considering the overall package that this amplifier provides, it becomes evident that it is a great investment for audio enthusiasts.

In terms of performance, the Baldur 70 delivers exceptional sound quality with its push-pull class A design. The patented “ABR” system ensures individualized control of each installed tube, allowing for optimized performance and enhanced audio reproduction. With a damping factor of 20 and a signal-to-noise ratio of 95dB, this amplifier offers precise and detailed sound reproduction across the entire frequency range, from the lowest lows to the highest highs.

The amplifier’s technical specifications also contribute to its value proposition. With a power output of 80 watts per channel at 8 ohms, the Baldur 70 provides ample power to drive a wide range of speakers. The inclusion of separate terminals for different impedance levels allows for versatile speaker compatibility. Additionally, the presence of both XLR and RCA inputs provides flexibility in connecting various audio sources.

When considering the build quality and design of the Baldur 70, it becomes evident that attention to detail has been given to ensure long-lasting performance. The use of high-quality materials such as gold or chrome elements adds a touch of elegance to the amplifier’s overall aesthetics. The solid construction and robust chassis ensure durability and stability during operation.

Considering its features, performance, and build quality, the Baldur 70 comes at a reasonable price point compared to other amplifiers in its class. While there may be more expensive options available on the market, it is important to note that the Baldur 70 offers similar or even superior performance without breaking the bank. This makes it an attractive option for those seeking high-quality audio reproduction without compromising on their budget.

In conclusion, the AUDIO VALVE Baldur 70 amplifier offers excellent value for money. Its exceptional performance, versatile features, and reasonable price make it a compelling choice for audio enthusiasts. Whether you are a seasoned audiophile or a casual music lover, the Baldur 70 delivers an immersive and captivating listening experience without requiring a significant financial investment.


In conclusion, the AUDIO VALVE Baldur 70 amplifier is a remarkable piece of audio equipment that delivers exceptional performance and quality. With its unique features and thoughtful design, it stands out among its competitors in the market.

Throughout this review, we have explored the technical specifications, design and construction, functionality, sound characteristics, and performance of the Baldur 70 amplifier. Its push-pull class A configuration ensures a clean and powerful sound output, while the patented ABR system allows for individual optimization of each installed tube.

The Baldur 70 amplifier utilizes four 6AS7G power tubes per channel, providing a total power output of 80 watts per channel at 8 ohms. The presence of LED indicators near each tube allows for easy monitoring of their functionality. The amplifier also offers a wide frequency range of 10 Hz to 50,000 Hz, ensuring accurate reproduction of both low and high-frequency sounds.

One notable advantage of the Baldur 70 is its damping factor of 20, which contributes to tighter control over speaker movement and improved bass response. Additionally, the presence of separate terminals for different impedance levels allows for flexibility in connecting various speakers.

The inclusion of a volume control knob and bias adjustment feature further enhances the usability and customization options of the amplifier. However, it is important to note that the Baldur 70 does not come with a remote control or headphone output.

In terms of value for money, the Baldur 70 amplifier offers excellent performance and build quality that justifies its price tag. It is a reliable investment for audiophiles who prioritize superior sound reproduction and appreciate attention to detail in design and construction.

For potential buyers seeking a powerful amplifier with precise sound reproduction capabilities, the AUDIO VALVE Baldur 70 is an excellent choice. Its robust construction, impressive technical specifications, and remarkable sound characteristics make it suitable for both music enthusiasts and professionals alike.

In conclusion, the AUDIO VALVE Baldur 70 amplifier is a top-tier audio device that delivers exceptional sound performance and quality. Its unique features, solid construction, and attention to detail make it a worthwhile investment for those seeking an amplifier that excels in both form and function.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top