What's unique about the brand
Balanced Audio Technology (BAT) designs all their components with fully balanced circuits and dual-mono power supplies, which deliver better channel separation and cleaner sound reproduction. BAT's signature approach includes zero global feedback and their Unistage circuit design, which amplifies the signal only once through a short signal path to preserve the original audio characteristics.
What reviewers are saying
We read all the reviews. Here's what reviewers feel most strongly about:
- Balanced designs are central to their philosophy; the brand designs their preamplifiers, amplifiers, and DACs around balanced circuits to minimize noise and maximize signal integrity.
- They commonly employ Russian 6C33C-B tubes, which were originally designed for military applications in MIG fighter jets, in their amplifier designs. The brand is known for using them in unique ways to achieve a powerful and controlled sound.
- Employs a "fuseless" design in many of their products, utilizing electronic protection circuits instead of fuses to protect their components from damage.
- Has a tradition of hybrid amplifier designs, combining tube preamplifier sections with solid-state output stages, aiming to blend the warmth and musicality of tubes with the power and control of solid-state amplification.
Our favorite reviewer quotes:
- "The bass response with the REX 3 DAC in place is something very special, demanding your attention and providing total fulfilment and a desire to just keep listening. As you can probably already tell, I loved this DAC, sure it's big, heavy, expensive, runs hot and needs lots of shelf space but it sounds so sumptuous, detailed and inviting without any loss of sparkle and certainly not of the old school when valves gave warmth over accuracy." (https://www.referenceaudio.co.uk/news/balanced-audio-technology-rex-3-tube-dac?srsltid=AfmBOoqhLSIFeBv1be94BXyRp0R3NhGJLFWQt0RJPcO8TImHFk0ihG)
- "And her voice through the DeVore's driven by the VK-80i sounded sweet, rich, full and entirely embodied in Barn, that kind of reach out and touch it quality that some people attribute to triodes. Once again, this music was presented as a vast sweeping expanse of sound, lush and flush with full voice, soul stirring drive, and speaker-dissolving control." (https://twitteringmachines.com/review-bat-vk-80i-integrated-amplifier)
- "Every once in a while I come across a speaker/amplifier pairing that's so mutually beneficial it makes me want to dance. And sing. With the VK-80i driving the Perlisten S5t, listening was pure unblemished delight and so captivating and engrossing I could have danced all and every night of my time with them together." (https://twitteringmachines.com/review-bat-vk-80i-integrated-amplifier)
- "Firstly, the VK3500SE has a phenomenal way with voices. Velvety throaty natural are words that come to mind." (https://audiofi.net/2021/06/bat-vk3500se-a-modern-sonic-masterpiece)
- "The tonal signature is best described as velvety and warm but at the same time losing no detail. The sum is of a very tuneful amplifier enabling music to be easily followed and soul reaching." (https://audiofi.net/2021/06/bat-vk3500se-a-modern-sonic-masterpiece)
Want to report a correction? Please contact us. We'd love to hear from you. Note that much of the data, recommendations, and summaries on ExtremeHiFi are researched after thousands of hours of loving labor. We archive our site's data and its pages on Archive.org and monitor for those repurposing the data. We also fingerprint data to know when text and numbers came from us.
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
From Julian's interview with
.
Products
Release Timeline
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Check Amazon
Lineup comparison
We think it's helpful to understand how their products compare. To learn more about each, scroll to the section above to click through to individual product pages.
VK-80i Integrated Amplifier
- Positioning: A compact integrated tube amplifier offering modest power for those seeking authentic tube character.
- Description: Features an intelligent auto-bias design with a fully balanced tube output that delivers natural tonal balance in a simple package. In comparison to the later VK-3500 model and the dedicated power amplifiers in the REX series, its lower wattage and streamlined functionality make it best suited for small rooms and tighter budgets without sacrificing tube warmth.
REX 3 Tube Amplifier
- Positioning: A tube power amplifier focused on delivering natural tube tonality with a distinctive all-triode design.
- Description: Uses auto-biasing and a fuse-less protection circuit to simplify operation while preserving the inherent musical texture of tube amplification. Compared to the solid-state REX 300 and the hybrid integrated VK-80i, its unique tube architecture caters to users prioritizing sonic intimacy and a classic tube sound.
REX 300 Power Amplifier
- Positioning: A mid-tier solid-state power amplifier built for clarity and robust current delivery using refined power supply technology.
- Description: Incorporates a fourth-generation SuperPak Quattro capacitor bank and a simple two-stage gain design that ensure high transparency and dynamic control. When compared to the more specialized REX 3 tube amp and the flagship REX 500, it offers a balanced option for users needing strong performance.
VK-3500 Integrated Amplifier
- Positioning: A high-end integrated amplifier that merges a solid-state power section with a tube-based preamplifier for enhanced musicality.
- Description: Features a SuperTube preamp paired with a symmetrical bipolar power design and built-in MM/MC phono support to provide versatile functionality and rich tonal detail. In contrast to the simpler VK-80i and the focused REX power amplifiers, its advanced circuitry and integrated design serve users requiring additional features, higher power output, and greater overall versatility.
REX 500 Power Amplifier
- Positioning: A flagship solid-state power amplifier engineered to deliver exceptional power, clarity, and performance through advanced design techniques.
- Description: Employs a dual-mono architecture with a two-stage signal path and the largest SuperPak capacitor bank in BAT history for superior soundstaging and dynamic precision. Compared to the REX 300 and the REX 3, its robust output, intelligent upgrade path, and state-of-the-art engineering make it the ultimate choice for discerning users with larger spaces and a demand for uncompromising performance.
Used
Balanced Audio Technology
Every month, we find the brand's used items for sale across the web and offline hifi stores. We have the largest database of used hifi products. Search it here.
Search hifi products
Explore our database of 10,000+ new and 25,000+ used hifi products.
Similar
Amplifiers
brands
Known For
Amplifiers
/
Class: Tube
Average Price
$10,001-$20,000
Used Products
91
Available
Brand Popularity
76
of 900+
Headquarters
United States
Featured products
About the brand
Conrad-Johnson is a hifi brand known for tube amplifiers that create emotionally engaging experiences through their use of KT120 output tubes, CJD Teflon capacitors, and proprietary wide-bandwidth output transformers. Their preamps, like the PV11 and GAT Series 2, stand out for their lack of negative feedback and use of Teflon capacitors with gold-plated silver contacts, contributing to their ability to follow subtle tempo changes and deliver refined sound.
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
Brand Page
Known For
Amplifiers
/
Class: Tube
Average Price
$10,001-$20,000
Used Products
9
Available
Brand Popularity
363
of 900+
Headquarters
United States
About the brand
Western Electric, one of the original developers of the 300B vacuum tube since 1938, stands out for their 91E Integrated Amplifier that delivers 20 watts per channel through their patented Steered Constant Current Source technology—significantly more power than typical single-ended triode amplifiers using 300B tubes. The brand's revival and continued production of the 300B tube have earned praise in the audiophile community, with their approach focusing on preserving classic tube sound while adding modern technological improvements.
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
Brand Page
Known For
Amplifiers
/
Class: Tube
Average Price
$10,001-$20,000
Used Products
0
Available
Brand Popularity
693
of 900+
Headquarters
United States
Featured products
About the brand
Zesto Audio specializes in tube amplifiers that uniquely operate with no negative feedback, including their flagship Eros 500 Select monoblocks that offer pure Class A push-pull operation at high power levels. Their products stand out for their flexibility in tube selection and unique features like the Presence Control in their preamps, which manages high-frequency noise and acts as a loudness control at low volumes.
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
Brand Page
.png){kind=logo}
Known For
Amplifiers
/
Class: Tube
Average Price
$10,001-$20,000
Used Products
4
Available
Brand Popularity
187
of 900+
Headquarters
United States
Featured products
About the brand
ampandsound specializes in high-end, handcrafted tube amplifiers made in the USA. Their low-wattage amps pair perfectly with high-efficiency speakers and headphones. The company is known for classic, minimalist designs and a focus on delivering natural sound.
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
Brand Page
.png){kind=logo}
Known For
Amplifiers
/
Class: Tube
Average Price
$10,001-$20,000
Used Products
35
Available
Brand Popularity
130
of 900+
Headquarters
United States
Featured products
About the brand
VTL pioneered high-power tube amplifiers and was among the first to put 500 and 1000-watt monoblocks into continuous production, with their amplifiers featuring proprietary Auto Bias technology that continuously monitors tube performance. Their amplifiers are distinctive for allowing users to switch between tetrode and triode modes, while maintaining a simpler design philosophy that uses fewer components for purer sound.
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
Brand Page
Known For
Amplifiers
/
Class: Tube
Average Price
$10,001-$20,000
Used Products
2
Available
Brand Popularity
406
of 900+
Headquarters
United States
Featured products
About the brand
Doshi Audio is a boutique American hifi brand known for its unique use of step-down transformers in phono stages, which provide galvanic isolation and enable zero-feedback tube circuits. The brand stands out for its three-stage decoupling chassis design with stainless steel and Corian, plus its use of common, non-esoteric tubes for reliability and accessibility.
Our interview with the brand
What are two key technological innovations or strong opinions that differ you from other brands?
What's your approach to customer support?
What are your favorite tracks for showcasing the strength of your products?
What other products pair best with yours?
Brand Page
