Grandinote Solo

Available in 2 to 4 weeks

Free Shipping

5 Years Warranty

- No capacitors in the signal path

- Two output transistors (simple push pull)

- No negative feedback or counter-reaction

- Dedicated power supply for every device

- Stereo integrated amplifier

- Power per channel 60W

- Damping factor 150

- Frequency response 2Hz - 240 kHz

- Two unbalanced inputs RCA

- Two balanced inputs XLR (full-balanced)

- Balanced inputs XLR unbalanced convertibles

- Pure Class “A”

- Vu-meters and spectrum analyser

- Two output transformers

- Celio pre-phono or Volta DAC streamer internal expansion boards

- Color and brightness adjustable display

- Absorption 270W

- Weight 34kg (75lbs)

- W=14,5 inch (36cm)  x H=8,3 inch (21cm) x L=17,7 inch (45cm)  

Pure Class A Operation for Maximum Fidelity

The Solo delivers 60W per channel in pure Class A mode, ensuring a linear and distortion-free sound. By eliminating negative feedback loops, it preserves every nuance of the original recording, giving listeners the closest experience to the studio master.

Magnetosolid Technology Combines Warmth and Precision

Using proprietary Magnetosolid design, the amplifier merges the musical warmth of tube amps with the reliability and precision of solid-state technology. This unique hybrid approach provides a rich, immersive sound without the typical compromises of either technology.

Direct-Coupled Signal Path for Absolute Purity

The Solo avoids capacitors and unnecessary circuit elements in its signal path, ensuring no coloration or signal loss. This direct approach maintains the integrity of the audio signal from source to speakers, delivering a truly transparent listening experience.

Advanced Touchscreen Interface for Visual Feedback

Equipped with a 9” touchscreen, the Solo displays real-time VU meters and a spectrum analyzer, providing both visual monitoring and intuitive control. This allows audiophiles to connect with the music on a deeper level while adjusting settings with precision.

Wide Frequency Response for Extreme Detail

Covering 2Hz to 240kHz, the Solo reproduces frequencies well beyond the audible range, capturing both the subtlest low-end textures and the most delicate high harmonics. Combined with a high damping factor of 150, it maintains control and clarity across all speaker types.

Expandable and Future-Ready Design

The amplifier supports optional Celio phono stage or Volta DAC streamer boards, allowing users to upgrade their system without replacing the core unit. Its balanced architecture and multiple inputs ensure compatibility with any source, making it a long-term investment in high-end audio performance.

Unique Features of Grandinote Amplifiers

• 100% Pure Class-A Operation

Unlike some manufacturers who label their products as Class-A but use hybrid designs, Grandinote ensures every amplifier operates fully in Class-A mode, preserving the integrity of the audio signal.

• Handcrafted Excellence

Each amplifier is assembled by skilled technicians who pay close attention to detail. This hands-on approach guarantees consistency and quality in every unit.

• Use of High-Quality Components

Grandinote selects premium parts such as custom transformers, precision resistors, and carefully matched transistors to optimize performance.

• Innovative Circuit Topologies

Their designs often include unique circuit arrangements that reduce noise and distortion while maintaining the warmth and clarity characteristic of Class-A sound.

Why Class-A Sounds Different

The continuous conduction approach delivers several sonic advantages:

1. Zero Crossover Distortion

The most significant benefit: Class-A completely eliminates crossover distortion. In amplifiers where different devices handle positive and negative signal halves (which we'll discuss with Class-AB), a brief transition occurs at the zero-crossing point. This "handoff" between devices introduces small discontinuities that manifest as distortion, particularly audible in low-level detail and ambient information.

Class-A has no handoff because the same devices are always conducting. The result is a cleaner, more continuous signal that preserves micro-details and subtle spatial cues that other topologies can miss.

2. Perfect Linearity

By operating the output devices in their most linear region continuously, Class-A maintains consistent behavior regardless of signal level. Whether reproducing a whispered vocal or a full orchestral crescendo, the amplifier's transfer characteristic remains unchanged. This translates to consistent tonal character across all volume levels and program material.

3. No Feedback Dependency

While many Class-AB amplifiers rely heavily on negative feedback to correct distortions introduced by switching behavior, Class-A designs can use minimal or zero feedback. Less feedback generally means faster transient response, more natural tonal balance, and better preservation of musical timing.

Grandinote, for example, builds their amplifiers with direct-coupled, zero-feedback designs that rely on inherently linear Class-A operation rather than correction circuits.

4. Superior Low-Level Resolution

Perhaps the most commonly noted characteristic of good Class-A amplifiers is their ability to resolve low-level information. The decay of a piano note, the subtle breath of a vocalist, the ambient space of a recording venue—Class-A amplifiers excel at revealing these details without artificial emphasis or enhancement.

This isn't about "more detail" in an analytical sense, but rather about preserving the complete dynamic and textural information in the recording.

Handcrafted in Italy

Every Grandinote component is handbuilt by skilled technicians in Italy. Production is deliberately limited to maintain quality control, and each amplifier undergoes extensive testing and burn-in before shipping.

This approach ensures consistency and allows for component selection and matching that automated production cannot achieve.

Real-World Performance

The proof, of course, is in the listening. Grandinote amplifiers consistently earn praise for:

• Natural, Uncolored Sound: They don't impose a "house sound" on recordings
• Exceptional Dynamics: Surprising punch and impact despite moderate power ratings
• Textural Resolution: Outstanding ability to convey instrumental and vocal textures
• Emotional Engagement: Music sounds more "alive" and engaging
• Long-Term Satisfaction: Owners report these amplifiers remain compelling for years