Notice:
1:115 is a mono pure rear stage, which can be used only with the front stage.
2: Due to the higher power of the rear stage, you must wait until the warm-up is completed and the switch button light is always on before adjusting the front-stage volume.
3: The parameters related to power are all working conditions with 4 ohm load.
Package express, send massive lossless resources. Ledi directly engraved Swiss FM115 post-level: 500W per channel, completely cracked the original 19210 module, channel separation up to 100dB, customized 800W toroidal transformer, 8 pairs of power tubes, Nichicon 6800μF filter capacitor. Strictly follow the original machine testing and production links. The components are strictly aging, tested, and paired; the modules are paired before installation, and all working points refer to the original machine; before leaving the factory after 100 hours of burn-in; each unit is independently numbered, and the module parameters are archived for future maintenance. The sound is warm, natural and smooth, with good thrust, control and dynamics. The strong driving force and abundant energy can drive most difficult speakers. 1 set of balanced input, adjustable input level. The random device comes with AP test data.
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On the front panel, the blue light on the switch button in the warm-up phase after power-on is flashing, and it is always on after the warm-up is completed
Back panel: 1 set of balanced input terminals, input level adjustment knob, speaker terminal, power cord socket
Balanced input terminal, input level adjustment knob
Large speaker terminal
Cooling holes at the rear of the top cover
Heat dissipation holes at the bottom, solid aluminum alloy suspension feet
Bottom internal structure: ring cow and heat sink
Nippon Steel core, customized 800W toroidal transformer
Delay switch with complicated structure
Upper internal structure: core amplifier circuit
Completely crack the 19210 module of the original machine and adopt the discrete component Class A circuit structure, which can eliminate clutter interference well.
ALPS potentiometer to adjust the input level
Gold-sealed field effect tube, heat-generating fins
8 power tubes per channel consistent with the original factory, 500W per channel
The same resistance as the original manufacturer
4 high-capacity 6800uf 100V Nichicon capacitors
Large heat sink, facing the heat dissipation holes of the bottom plate and the top cover
Protective relay for horn terminal 
Professional test equipment: AP SYS-22, Kikusui signal generator, 3012b Tektronix oscilloscope
AP test chart when 115 output 112W
115 frequency response curve: 20Hz-60KHz -3dB AP test chart
About FM Acoustics:
Swiss FM Acoustics (hereinafter referred to as FM) may be the most expensive HI-END brand in the world. Even experienced veterans may not have heard of FM audio equipment, because the price of this guy is really outrageous. A senior player once said such a memorable sentence:“If the prices of Krell, Cello and other equipment are too expensive, then the price of FM is simply damaging!”How much fever equipment does FM have?“Hurting the world”Well, the sub-flagship stereo rear-stage 711MKII is priced at 630,000, and the sub-flagship front-end 266MKII is priced at 590,000. . .
FM used to be a Swiss manufacturer specializing in professional audio products for broadcasting. After entering the HI-END field, it has done nothing but the spirit of making Swiss watches. All products are manufactured with precision by hand, and audio equipment is treated as a work of art. , All FM research and development work and product production are carried out in the factory itself, which is the opposite of the fashionable management method of modern industry. All components purchased by FM are carried out inward rather than outward, because FM believes that only every detail of each link is under continuous and strict quality control measures, and accuracy and quality can be obtained. The real guarantee.
In the entire assembly process, each component is tested before assembly. After the component is installed, each module and circuit board is inspected, tested and adjusted again; when assembling the equipment, each stage of the test is repeated. Tuning. After the equipment is completed, the whole machine is tested, adjusted, and“pot”（Burn-in）And passed the seismic test. Because the production of FM equipment consumes a lot of manpower and material resources, FM insists on manual testing in a place with extremely high labor costs such as Switzerland, so the price is much more expensive than ordinary equipment.
Product introduction:
Le Flute reproduces Swiss FM115 (monophonic version of 711MK3), with better separation and control; warm, natural and smooth tone, good thrust, control, and dynamics, strong driving force and abundant energy can drive the great Part of the speakers are difficult to push.
technical parameter:
Rated power: 500W 4 ohms per channel
275W 8 ohms per channel
Frequency response range: 20HZ-60KHZ
Total harmonic distortion: 0.05% THD
Channel separation: 100dB
Gain: 30.9dB
Input sensitivity: 1.6V
Maximum input level: +20dBm（7.75V RMS）
Maximum output voltage: 140V pp
Input impedance: 40K ohm
Size: 450*450*200mm=width*depth*height
Weight: about 35 kilograms catty A