FiiO EA13 Hi-Fi Integrovaný zosilňovač

FiiO EA13 — Full-Size Class A Tube Integrated Amplifier for Pure Analog Listening

The FiiO EA13 Black is a full-size vacuum tube integrated amplifier built around a Class A push-pull circuit that delivers 28W+28W into 8Ω from six imported valves. Two SYLVANIA NOS PCF80 tubes handle voltage amplification while four JJ Electronic EL34 power tubes drive the loudspeaker outputs, giving the EA13 the warm, textured midrange and smooth top end that EL34 designs are known for. The FiiO EA13 is a statement piece for listeners who want the unmistakable character of pure-tube amplification in a single, self-contained chassis.

What Makes the EA13 Stand Out in the Tube Amplifier Category

Few integrated amplifiers at this tier combine a custom sealed EI silicon-steel output transformer, four EL34 power tubes, and a stepped 40-level analog potentiometer in a single chassis. The transformer is internally potted with epoxy resin and fine sand before being sealed into its own enclosure, suppressing mechanical vibration and electromagnetic interference for a quieter floor and tighter bass. True mechanical VU meters with LED backlight — driven by a dedicated control IC — let the listener watch the music as well as hear it, while an aviation-grade CNC aluminum unibody chassis keeps resonances under control.

Tube Complement and Amplification Topology

The choice of valves and the way they are configured define the EA13's sonic signature. The PCF80 tubes handle voltage amplification, then hand the signal to the EL34 power tubes running in pentode mode under pure Class A operation.

• Preamp Tubes: 2× SYLVANIA NOS PCF80 — refined, transparent voltage amplification with an open, natural soundstage
• Power Tubes: 4× JJ Electronic EL34 (Czech) — classic European power pentode delivering warm, full-bodied character
• Topology: Class A push-pull, pentode mode — minimizes distortion for a dense, silky, transparent presentation

Power Output and Measured Performance

Power output figures matter when matching the amplifier to real-world loudspeakers, and the EA13 publishes both clean-power and peak-power numbers. The 18W+18W rating at 1% THD+N is the practical listening window; the 28W+28W figure at 5% THD+N is the headroom ceiling for dynamic peaks. A wide frequency response and a low noise floor keep fine detail intact across the audible band.

• Speaker Output (8Ω / 4Ω): ≥18W+18W (THD+N<1%) / ≥28W+28W (THD+N<5%) — drives most bookshelf speakers and select floor-standers
• Frequency Response: 20 Hz – 60 kHz (attenuation <2.9 dB) — extends well beyond the audible band for accurate transient reproduction
• Signal-to-Noise Ratio: ≥97 dB (A-weighted) — blacker background, finer micro-detail retrieval
• Residual Noise Floor: <150 µV (A-weighted) — quiet operation between musical passages

Connectivity, Headphone Output, and Build

System integration is straightforward thanks to four stereo RCA line inputs, a 12V trigger input, and gold-plated binding posts at both 4Ω and 8Ω. A 6.35mm headphone output extends the tube character to private listening, with separate power ratings for low- and high-impedance cans. The chassis itself is a serious piece of industrial design.

• Inputs: 4× RCA analog + 12V Trigger In — connect streamers, turntables, CD players, and DACs simultaneously
• Speaker Outputs: 4Ω / 8Ω gold-plated binding posts — match the output to loudspeaker impedance
• Headphone Output: 6.35 mm, ≥60 mW+60 mW @32Ω / ≥185 mW+185 mW @300Ω — recommended for 16–300Ω headphones
• Dimensions / Weight: ~430 × 339 × 145 mm / ~17.7 kg — substantial unibody chassis with vibration-damping feet

Who the FiiO EA13 Is Built For

The FiiO EA13 is the right choice for listeners who want the unmistakable character of pure-tube Class A amplification without giving up modern system integration. Audiophiles assembling a two-channel rig around efficient bookshelf speakers or high-sensitivity floor-standers will appreciate the 28W+28W output and the dedicated 4Ω/8Ω speaker outputs. Headphone enthusiasts with 16–300Ω cans get a 6.35mm headphone output. The 30-minute auto-standby circuit, four-position input selector, and 12V trigger make the EA13 easy to live with day-to-day, while the dual mechanical VU meters and warm tube glow turn every listening session into a visual as well as aural experience.

FiiO and the EA13 Design Story

The EA13 is the result of three years of development and was recognized with the VGP 2026 Special Planning Award in the Pure Audio category. FiiO drew on the circuit principles of tube amplifiers from the golden era of the 1950s, combining push-pull topology, pentode operation, and pure Class A amplification in a modern chassis. The use of imported SYLVANIA NOS PCF80 preamp tubes and Czech-made JJ Electronic EL34 power tubes reflects a deliberate choice to source valves from two of the most storied names in tube manufacturing, while the custom EI silicon-steel output transformer and aviation-grade CNC aluminum unibody chassis anchor the design in contemporary build quality.