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Esoteric F-03A Integrated Amplifier

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Setting out to create one of the most desirable integrated amplifiers available, Esoteric brought together a fully balanced preamplifier and a Class-A power amplifier-both directly derived from its well-respected Grandioso line, creating a new reference for integrated amplifiers that give full expression to the smooth, full-bodied tones and delicately shaded textures of your favorite music. Featuring distinctive dual monaural construction that extends through all stages, from preamplifier inputs through to the final stage of its power amplifier output, the F-03A Integrated Amplifier brings out the full audio potential of Esoteric's highly regarded K and N Series of digital players.

Representing a new generation of integrated amplifiers, Esoteric's new F Series has been thoroughly invested with proven results gained in the development of our flagship Grandioso line of separate amplifiers. To capture all the inherent warmth and texture of music, not only were the outstanding expressive powers of the Grandioso line pursued, but the utmost limits of audio performance were also concentrated into an integrated configuration that offers excellent usability combined with an attractiveness that more than compensates for the limitations of their size. Basic and Complete. The Esoteric F Series is born with sights set on creating a unique presence in the category.


Spec description

Speaker output:

Rated output- 30W + 30W (8Ω)

60W + 60W (4Ω)

Minimum compatible impedance- 4Ω

Damping factor- 370Ω

Speaker terminals- Screw type x 2 sets (L/R)

Analog audio inputs:

XLR (LINE)- 2 pairs

Input impedance- 10kΩ

 RCA (LINE)- 4 pairs

Input Impedance- 10kΩ

RCA (PHONO)- 1 pair

Input impedance

MC- 100Ω

MM- 47Ω

XLR (Pre-in)- 1 pair

Input impedance- 47Ω

RCA (Pre-in)- 1 pair

Input impedance- 47Ω

Analog audio outputs: 

XLR (Pre-in)- 1 pair

Analog audio outputs:

XLR (Pre-out)- 1 pair

Output impedance- 100Ω

Pre-out S/N ratio

XLR, RCA IN- 109dB (1V output)

PHONO MC IN- 75dB (1V output)

PHONO MM IN- 93dB (1V output)


Power supply- AC 230V, 50Hz

AC 120V, 60Hz

AC 220V, 60Hz

Power consumption

AC 230V, 50Hz version- 290W (no signal: 290W)

AC 290W (no signal: 215W)

External dimensions (WxHxD)- 445 x 191 x 468mm

17 5/8" x 7 5/8" x 18 1/2" (including protrusions)

Weight- 32kg/70 5/8 lb

Included accessories- Power cord x1

Remote control (RC-1334) x1

AA batteries x2

Felt pads x4

Owner's manual x1

Warranty card x1


Audio performance

Frequency- 10Hz to 100kHz (0dB/-3dB, 1W output)

S/N ratio- 104dB (IHF-A)

Total harmonic distortion- 0.006% (30W)


Preamplifier- 24.5dB (when VOLUME at maximum)

Power amplifier 28.5dB

Tone controls

Bass- ±12dB (63Hz)

Middle- ±12dB (630Hz)

Tredle- ±12dB (14kHz)