FM711 Original parameter core line
Internal independent 2 channel pure post-stage design, front stage collocation is more flexible, less interference
Beyond the original layout, the machine is super stable, without any noise
16 new test pair Gold Sealed Tube 2N3440/5416 New original long foot 2000 per test
Test pair a group of 20 output bassoon original brand new Toshiba 5200 origin Japan needs to be selected among thousands
Each large tube is connected with a wima capacitor and a decoupling capacitor
800w high-quality Nippon Steel core transformer, left and right channel independent winding
80000uF ELNA AUDIO High reliable capacitance
Boot soft up and perfect horn protection line
CNC machining all-aluminum chassis 430*130*315mm
AC110V or AC220V, black or silver
Machine weight: 16KG
AP test data indicators are very high, see the test chart
Output power: 150w/ 8ohm, 300W/ 4Ohm RMS power, full power stable output for a long time
Output midpoint: 1mV
Output noise: 0.05mV super low, is the lowest in our power amplifier
Signal to noise ratio: 120dB
Dynamic range: 121dB
Distortion: 0.005%
Channel separation: 100dB
Bandwidth: 5-50kHz
CNC machining all aluminum chassis
Note: No cables included.
This machine ultra-low distortion every machine to test, output 32.8v (with 8 ohms load, output 135w), distortion 0.003%
Each large tube is connected in parallel with decoupled stepless capacitance and decoupled electrolytic capacitance:
Output power: (with 8 Ohms load), at this time can output RMS 36.7v undistorted voltage, 8 OHms 150w, see the figure below:
Precision matching tubes in groups of 20
Japanese original power tube
New original, recently produced gold seal tube
The F7 (FM711) AP was tested by the "L7Audiolab" L7Audio Lab with the following results:
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