The Esoteric F-01 Class A Integrated Amplifier encapsulates the pinnacle of high-fidelity audio engineering. This elite amplifier integrates the celebrated Grandioso “X” Edition technologies, delivering an audio performance that transcends the typical boundaries of integrated systems. Its balanced dual mono preamplifier and comprehensive upgradability make it a formidable choice for audiophiles seeking the zenith of musical purity and power. Key Features[Preamplifier Section] A fully balanced dual mono preamp in the direct line of the Grandioso C1X "Ultra Fidelity Attenuator System", a stepped attenuator circuit developed by Esoteric Volume can be adjusted in 0.1dB/1,120* steps with our proprietary attenuator module "UFA-1792" *Preamp gain setting: at +12dB 3 inputs of “ES-Link Analog”, a unique and proprietary current transmission system Two headphone outputs (balanced 4-pin XLR / unbalanced 6.3mm) with built-in fully balanced dual mono headphone amplifier Dual mono phonostage preamp (RCA x 1, MM/MC) 3-band balanced tone control, independently adjustable for each input source ES-Link Analog(x1) /XLR (x1) pre-out for connecting the S-05 as an external power amplifier Dedicated DC power connector for connecting the PS-01F external power supply dedicated to the built-in preamp Preamp gain can be adjusted in 4 steps (0/+6/+12/+18dB) to match the connected power amplifier[Amplifier Section] Simple and straightforward circuit design concept based on Grandioso S1X Class A 30 WPC/8Ω Excellent power linearity and driving power (60 WPC/4Ω) All stages of the power rectification and smoothing circuit are configured with dual monaural design Powerful bipolar transistor 3-parallel push-pull configuration Huge 940VA EI core power transformer Channel-independent Grandioso grade custom block capacitors (10,000μF x 4/ch) Custom wave-shaped heat sinks to reduce peak resonance[Other Features] Independently adjustable input gains (±18dB; 0.1dB steps) L/R channel balance (0.1dB steps) AV through output (volume bypass) ensures seamless coexistence with AV systems Aluminum body remote controller (RC-1339) can also be used to operate Esoteric's SACD players and network players Displayed source device names can be programed Mute, dimmer and automatic display-off functions Control functions (RS-232C, trigger input / output) Spec description:Speaker output Rated output power 30W + 30W (8Ω, Class A) 60W + 60W (4Ω)Compatible speaker impedance 4ΩSpeaker terminal 1 set (L/R)Analog audio inputs ES-Link Analog/XLR 3 pairsInput impedance 10kΩ (XLR)RCA 3 pairsInput impedance 10kΩPHONO 1 pair (MC/MM switchable)Input impedance MM 47kΩMC 100ΩAnalog audio outputs ES-Link Analog 1 pairXLR 1 pairOutput impedance 100ΩHeadphone outputs Standard 6.3mm (¼) stereo jack 14-pin XLR jack 1Maximum effective output Unbalanced 300mW + 300mW (into 32Ω)Balanced 600mW + 600mW (into 32Ω)Applicable load impedance Unbalanced 16 to 600ΩBalanced 32 to 600ΩExternal controls RS-232C 1DC trigger input (TRIGGER IN) 1 (3.5mm mono mini jack)DC trigger output (TRIGGER OUT) 1 (3.5mm mono mini jack)General Power supply Model for US/Canada AC 120V, 60HzModel for Europe/Hong Kong AC 230V, 50HzPower consumption 250W215W (no signal)Standby power 0.3W (when RC-232C is OFF)0.6W (when RC-232C is ON)Overall dimensions (W×H×D) 445 × 191 × 471mm (including protrusions)Weight 32.2kgIncluded accessories Power cord × 1Remote control (RC-1339) × 1Batteries (AA) × 2Felt pads × 4Owner’s manual × 1Warranty card × 1
