FiiO EA13 Hi-Fi Integrovaný zosilňovač

FiiO EA13 Tube Amplifier — Class A Vacuum Tube Power for the Desktop HiFi System

The FiiO EA13 is a full-size Class A push-pull vacuum tube integrated amplifier that delivers 28W+28W into 8Ω from six imported valves, combining the warmth of classic 1950s-era tube circuits with a thoroughly modern chassis and signal path. Three years in development, this Silver-finished integrated amplifier pairs two SYLVANIA NOS PCF80 preamp tubes with four Czech JJ Electronic EL34 power tubes, and it carries the VGP 2026 Special Planning Award for Pure Audio. The EA13 is designed to slot straight into a desktop HiFi system and drive most bookshelf speakers — and even select floor-standers — with the kind of refined, full-bodied sound that pure Class A operation is known for.

Six Imported Tubes and a Custom Sealed Output Transformer

What sets this amplifier apart from typical Class A designs is the level of attention paid to the transformer and the tube complement. The voltage-amplification stage uses two SYLVANIA NOS PCF80 tubes — American-made New Old Stock valves prized for a transparent, open soundstage — while the power stage runs four JJ Electronic EL34 pentode tubes from the Czech Republic, a classic European power valve known for warm, full-bodied tone. The output transformer is a custom EI silicon-steel laminate unit, internally filled with epoxy resin and fine sand, then fully sealed inside a robust enclosure to suppress vibration, improve electromagnetic shielding, and protect against moisture.

Power Output and Amplification Topology — Driving Real Speakers

Class A push-pull operation in pentode mode is the heart of this amplifier's sonic character, minimizing distortion while preserving the harmonic texture that tube listeners prize. The 28W+28W rating is enough to control most bookshelf monitors and a number of efficient floor-standing speakers, with headroom for dynamic peaks in well-recorded material.

• Amplifier Class: Class A push-pull, pentode mode — pure Class A biasing for low distortion and natural tube saturation
• Speaker Output Power: ≥18W+18W (THD+N < 1%) / ≥28W+28W (THD+N < 5%) at both 4Ω and 8Ω — enough headroom for most near-field and small-room listening
• Tube Complement: 2× SYLVANIA NOS PCF80 preamp + 4× JJ Electronic EL34 power tubes — a mix of American NOS voltage valves and Czech pentode power valves

Signal Quality — Measured Performance

Numbers matter when a tube amplifier is asked to compete in a modern HiFi system, and the EA13 publishes measured figures rather than just sonic claims. Frequency response extends well beyond the audible band, signal-to-noise ratio reaches 97 dB, and the noise floor is low enough that quiet passages remain genuinely black.

• Frequency Response: 20 Hz – 60 kHz (attenuation < 2.9 dB) on speaker outputs — wideband headroom for high-resolution sources
• Signal-to-Noise Ratio: ≥ 97 dB (A-weighted) on speaker outputs — quiet background for low-level listening
• Noise Floor: < 150 µV (A-weighted) on 4Ω speaker output — a blacker canvas for fine musical detail
• Dynamic Range: ≥ 97 dB (A-weighted) on speaker outputs — preserves the contrast between quiet and loud passages

Connectivity, Headphone Output and Build

Four RCA line inputs accept signals from streamers, DACs, CD players, or turntables with an external phono stage, while a 3.5mm 12V trigger keeps the EA13 in sync with the rest of a system. The 6.35mm headphone output delivers enough current for high-impedance cans, and the chassis itself is built to suppress resonance and isolate the sensitive tube circuitry.

• Line Inputs: 4× RCA + 12V Trigger In (3.5 mm) — flexible source switching and system integration
• Speaker Outputs: 4Ω and 8Ω gold-plated binding posts — dedicated outputs for common speaker impedances
• Headphone Output: 6.35 mm, recommended 16–300 Ω, 60 mW+60 mW @ 32 Ω / 185 mW+185 mW @ 300 Ω — drives both sensitive and high-impedance headphones
• Volume Control: Stepped analog potentiometer with 40-level fine adjustment — precision resistors matched at every step for consistent left/right balance
• Dimensions and Weight: ≈ 430 × 339 × 145 mm, ≈ 17.7 kg — a substantial desktop component with vibration-damping feet

Who the FiiO EA13 Is For

The FiiO EA13 is the right choice for desktop HiFi listeners who want the harmonic texture and three-dimensional soundstage of a true Class A tube amplifier without giving up the measured performance and connectivity of a modern integrated amp. It suits owners of mid-size bookshelf speakers — and efficient floor-standers — who value the way EL34 power tubes render vocals, strings, and acoustic instruments. Headphone users with 16–300 Ω cans will also find the 6.35mm output useful for late-night sessions, while the 12V trigger and four RCA inputs make it easy to integrate into a multi-source system built around a streamer and a turntable.

FiiO and the EA13 Project — Three Years in the Making

FiiO built the EA13 as a statement piece for its desktop amplifier line, drawing on classic 1950s tube-amp circuitry and combining it with contemporary components like Japanese NCC filter capacitors and axial metal-film coupling capacitors. The amplifier was recognised with the VGP 2026 Special Planning Award in the Pure Audio category.