ZOTL Ultralinear+
Best high fidelity amplifier for discerning audiophiles seeking tube warmth and clarity.
Experience unparalleled audio with the LTA Ultralinear ZOTL Power Amplifier. This revolutionary component utilizes David Berning's groundbreaking ZOTL technology to deliver an expansive soundstage, breathtaking detail, and natural tonality. It masterfully blends the warmth of tube amplification with the control of solid-state designs, offering an intoxicating sense of realism. Designed for discerning audiophiles, the Ultralinear is an ideal match for high-efficiency speakers, providing a compelling alternative to larger, hotter amplifiers.
$6800.00
More ZOTL Ultralinear Options
Owner Satisfaction
4.7
/ 5
Category Rank
551
/ 2552
#551 in Power Amplifiers
Price vs Category Average
-18%
Below average
Power Output
208
/ watts per channel into ohms
Who it's for
- Discerning audiophiles seeking ultimate resolution and an uncolored listening experience.
- Listeners prioritizing immersive imaging and a realistic sense of musical space.
- Enthusiasts desiring classic tube character without traditional output transformer compromises.
Who should skip it
- Budget-conscious music lovers or those new to high-end audio.
- Users with challenging speaker loads or those wanting a simple setup.
- Consumers who prefer widespread dealer networks and readily available product information.
Key Specs
Power Output
20 watts per channel into 8 ohms
Amplifier Class
Push pull class AB
Frequency Response
8Hz to 60kHz - +0, -.5dB
Input
One pair L & R RCA
Output
One set of stereo speaker binding posts
Switchable Stereo-Mono
Power Supply
115VAC or 220VAC - 50/60Hz - IEC receptacle
Tubes
17JN6 power tubes, 12AU7 and 12AX7 input tubes
Features
- Revolutionary Zero-hysteresis Output Transformerless (ZOTL) technology
- Exceptional spatial realism and expansive soundstage depth
- Vivid, realistic tonal color and precise transient fidelity
- Exceptionally low noise floor for pure sound
- Extended tube life, offering 3 times longer performance
- Reduced heat output, using only 1/3 the energy
- Sophisticated speaker protection system for safety
- Premium casework crafted by Fern and Roby
What customers say
Customers consistently praise the ZOTL Ultralinear+ for its exceptional sound quality, highlighting its remarkable clarity, detailed presentation, and engaging musicality. Reviewers frequently note how this amplifier delivers the rich, natural warmth of tubes without sacrificing precision or dynamics. Its elegant, minimalist design also receives appreciation, reflecting a commitment to both aesthetic appeal and high performance. The overall consensus points to a highly refined audio experience that elevates listening enjoyment significantly.
Know before you buy
With 20 watts per channel, this amplifier is best suited for high-efficiency speakers. It excels at driving sensitive designs where its unique ZOTL technology can showcase its signature spatial realism and transient speed.
No, the Ultralinear+ features an autobias circuit for all tubes. This simplifies maintenance and ensures the amplifier consistently operates at its peak performance without requiring manual adjustments.
Yes, the unit includes a switchable stereo-mono mode. This allows you to bridge the amplifier for increased power if you decide to use two units in a monoblock configuration for your system.
ZOTL (Zero-hysteresis Output Transformerless) technology eliminates the output transformer found in traditional tube amps. This results in significantly lower distortion, improved bass control, and a more transparent, natural soundstage.
The amplifier uses 17JN6 power tubes along with 12AU7 and 12AX7 input tubes, all of which are NOS (New Old Stock). Because the amplifier features autobias, replacing tubes is straightforward and does not require specialized technical knowledge.
Yes, its compact 17-inch width and efficient operation make it an excellent choice for smaller spaces. Unlike many high-end tube amplifiers, it runs cooler and takes up less shelf space while still delivering a full-bodied, high-fidelity sound.
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Ask Hayley anything about this product before you decide.
Ready to buy?
$6800