ZOTL Ultralinear+ Integrated Amplifier
Best high fidelity amplification for discerning audiophiles.
Experience unparalleled audio with the ZOTL Ultralinear+ Integrated Amplifier from Linear Tube Audio. This amplifier masterfully combines tube warmth with solid-state clarity using patented ZOTL technology for a realistic, 3D soundstage. The "Plus+" upgrades enhance detail, texture, and realism, while the integrated design simplifies your setup. Delivering 20 watts per channel, it's ideal for sensitive speakers and features versatile inputs, including an optional phono stage and a stereo subwoofer output. Crafted with premium components and an award-winning design by Fern & Roby, it offers both sonic excellence and aesthetic appeal.
$7650.00
More ZOTL Ultralinear Options
Owner Satisfaction
4.7
/ 5
Category Rank
551
/ 2552
#551 in Power Amplifiers
Price vs Category Average
-7%
Below average
Power Output
20
/ watts per channel
Who it's for
- Audiophiles prioritizing an uncolored, faithful reproduction of their music
- Listeners seeking classic tube sound with modern precision and openness
- Discerning enthusiasts who appreciate both top-tier performance and sophisticated design
Who should skip it
- Users with demanding speakers or those who enjoy very high-volume listening
- Budget-conscious consumers or those exploring entry-level high-fidelity gear
- Individuals who prefer maintenance-free audio equipment for daily use
Performance breakdown
Sonic Realism
ZOTL technology creates a remarkably lifelike and expansive 3D soundstage.
Tube Longevity
Ten thousand hours of tube life minimizes maintenance and replacement frequency.
Build Aesthetics
Fern and Roby design delivers a sophisticated, gallery-worthy industrial look.
Volume Precision
High-resolution attenuation offers granular control for perfect listening levels.
System Versatility
Stereo subwoofer outputs and optional phono stages accommodate diverse modern setups.
Power Efficiency
Twenty watts per channel demands highly sensitive speakers for optimal performance.
Key Specs
Power Output
20 watts per channel
Inputs
1 XLR, 4 RCA
Optional Phono Stage
MM/MC
Subwoofer Output
Stereo
Output Impedance
< 1.2 ohm
Capacitor Storage
100,000µF additional
Resistors
Non-magnetic Audio Note Tantalum and Holco Metal Film
Volume Control
8-bit, 128dB attenuation, 100 steps (199 in "Hi-Res" mode)
Features
- LTA’s most detailed and refined integrated amplifier
- Patented ZOTL technology for realism and 3D soundstage
- Enhanced tone, texture, detail, and clarity with Plus+ upgrades
- Integrated preamplifier and digital control system
- Stereo subwoofer output for expanded bass
- High-quality components for premium sound
- Award-winning industrial design by Fern & Roby
- Long tube life (estimated 10,000 hours)
What customers say
Customers consistently laud the ZOTL Ultralinear+ Integrated Amplifier for its exceptional sound quality and sophisticated design. Users frequently describe the audio as remarkably clear, detailed, and natural, offering an engaging and transparent listening experience. The amplifier's build quality receives high praise, with many appreciating its robust construction and premium aesthetic. The unique ZOTL technology is often cited as a key differentiator, contributing to its distinct sonic signature. This combination of superior audio performance and elegant craftsmanship establishes a strong sense of value for discerning audiophiles.
Know before you buy
With 20 watts per channel, this amplifier is best suited for speakers with higher sensitivity ratings. It performs exceptionally well with efficient designs that do not require massive power reserves to reach realistic listening volumes.
Patented ZOTL technology eliminates the need for heavy, distortion-prone output transformers found in standard tube amps. This allows for a wider frequency response and lower output impedance, resulting in the warmth of tubes combined with the speed and clarity of solid-state designs.
Yes, the unit features a dedicated stereo subwoofer output. This allows you to easily connect a powered subwoofer to extend the low-frequency performance of your system.
The 'Plus+' upgrades incorporate premium components like Audio Note Tantalum resistors and significantly increased capacitor storage. These enhancements provide greater texture, finer detail, and a more realistic soundstage compared to the standard version.
The tubes in this amplifier are designed for longevity and have an estimated lifespan of 10,000 hours. Under normal daily use, you can expect many years of performance before requiring a replacement.
It is quite versatile, featuring one XLR input and four RCA inputs to accommodate a variety of digital and analog sources. Additionally, an optional internal phono stage is available if you plan to use a turntable.
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$7650