ampsandsound Zion Monos Amplifier
Best monoblock amplifiers for audiophiles seeking classic tube warmth and detail.
The ampsandsound Zion Monos are a pair of monoblock tube amplifiers inspired by the Harmon Kardon Citation V circuit. They deliver a refined push-pull amplification experience, offering a hint of warmth alongside exceptional detail and scale for a sound that is both human and accurate. Featuring oversized, custom-wound transformers and vacuum tube rectification, these amplifiers ensure a pure signal path and superior regulation. Built with point-to-point wiring on turret boards and housed in a massive steel chassis, the Zion Monos are designed for longevity and ease of service, with convenient external bias and balance controls.
$28000.00
Owner Satisfaction
4.8
/ 5
Category Rank
168
/ 1719
#168 in Power Amplifiers
Price vs Category Average
+239%
Above average
Dimensions per amplifier
17136
/ xx inches
Who it's for
- Audiophiles driving power-hungry, low-sensitivity speakers
- Purists valuing artisanal craftsmanship and long-term reliability
- Listeners seeking rich, holographic tube sound with dynamic authority
Who should skip it
- Budget-conscious buyers preferring mass-produced or solid-state alternatives
- Users wanting a low-maintenance, cool-running audio system
- Listeners with limited space for large, dual-chassis equipment
Performance breakdown
Sonic Fidelity
Exceptional detail and scale deliver a remarkably human and accurate sound.
Build Integrity
Point-to-point wiring and a massive steel chassis ensure lasting heirloom quality.
Tube Versatility
Flexible output options accommodate both KT88 and 7581A tube configurations.
Maintenance Accessibility
External bias and balance controls make routine adjustments simple and safe.
Signal Purity
Vacuum tube rectification and custom transformers maintain a pristine signal path.
Speaker Compatibility
Dedicated 4, 8, and 16-ohm taps provide excellent matching for diverse speakers.
Key Specs
Dimensions per amplifier
17x13x6 inches
Speaker Outputs
4 ohms, 8 ohms, and 16 ohms
Input Connectors
RCA and Transformer-coupled XLR
Noise at idle
~ 2mv or less
Frequency extension
4Hz to 99kHz @ 1 watt
Output Power with KT88
60W RMS at 8 ohms
Output Power with 7581A
42W RMS at 8 ohms
Total Harmonic Distortion
Less than 0.03%
Features
- Classic Citation V circuit design
- Oversized custom transformers
- Vacuum tube rectification
- Point-to-point wiring
- Massive steel chassis
- External bias controls
- Wide frequency response
- Handmade in Southern California
What customers say
Audiophiles consider the ampsandsound Zion Monos an endgame component, especially with high efficiency speakers. Reviewers consistently praise the exceptional sonic performance, noting a masterful blend of tube warmth and surprising low-frequency authority. The amplifier creates a vast, holographic soundstage delivering impressive realism and dynamic impact. Build quality is described as robust and meticulously executed, reflecting its premium, hand-built nature. While the investment is substantial, owners feel the transformative performance and component quality fully justify the cost. This unit is viewed as a long-term reference piece, earning stellar overall satisfaction from serious listeners.
Know before you buy
The Zion Monos are inspired by the classic Citation V circuit, offering a push-pull design that balances warmth with high levels of detail. They provide a natural, human-like presentation with an expansive soundstage that remains accurate to the source material.
Yes, the Zion Monos feature dedicated output taps for 4, 8, and 16-ohm speakers. This flexibility allows them to drive a wide range of speaker loads effectively while maintaining optimal performance.
Maintenance is straightforward thanks to the external bias and balance controls. You can easily monitor and adjust the bias without needing to open the chassis, making long-term ownership and tube swapping much simpler.
Yes, the amplifiers are equipped with both RCA inputs and transformer-coupled XLR inputs. This allows for versatile integration into various high-end audio setups.
The Zion Monos deliver 60W RMS at 8 ohms when using KT88 tubes. If you opt for 7581A tubes, the output power is rated at 42W RMS at 8 ohms.
No, the Zion Monos are not rack-mountable. Each unit measures 17x13x6 inches and is housed in a massive steel chassis, so they are best suited for placement on a dedicated amplifier stand or a sturdy, open-air equipment shelf.
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