REISONG Boyuu A20 MKII KT88 tube Single-end Class A Intergrated Amp 4nd Meter Upgrade
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6J8P-J pre-voltage amplification.
Dawn export KT88-98 do power output.
Output power, maximum output power of 18W.
Output amplifier uses no big loop feedback technology to ensure high sound reduction, powerful, strong and.
The new power amplifier 0.35 cores do to ensure stable power supply.
With power tube current monitoring circuit, tube replacement upgrade ease.
Medical grade 5Z3PA-T rectification.
Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000, other common core can do 7000.
Output transformer potting techniques, epoxy potting, moisture, vibration, ensure that the output of the amplifier stability and reliability, especially in the southern humid places, have a more reliable performance. Especially for the southern coastal areas.
Double chassis design. First with 1.2 stainless steel, both to strengthen internal U-shaped steel chassis thickness up to 2.4 mm thick, 70 kg man stand above are not deformed.
Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method, three in four tightly wound clip.
Imported 0.35 thick core manufacturing power amplifiers, to ensure adequate power and low temperature rise.
Output amplifier with high-grade stretch amplifier housing cover. High temperature paint surface treatment, bright pattern processes.
Power Transformers: new imported 0.35, stack thickness 60MM (114-60).
Output amplifier core: core 0.35 new imported thick high silicon (86-50).
Japanese production of ALPS potentiometer.
Chassis: imported mirror stainless steel chassis.
Aluminum panel: high-grade aluminum CNC machining, anodic surface treatment.
Output Block: High-grade export base, with a transparent cover.
Output Power: 18W*2 (Ultra-linear connection)
Frequency response: 20Hz-35KHz
Output Impedance: 4,8Ω
Total harmonic distortion: ≤ 1% (1kHz)
Input Sensitivity: 750MV
Input impedance: 100KΩ (three sets of input signal)
Voltage amplification: Dawn 6J8PJ × 2.
Power output tube: Dawn export KT88-98 × 2.
Rectifier tube: 5Z3PA-T × 1
Dimensions (W × D × H): 366 × 300 (including knob) × 185mm
Weight: about 16.5kg (114 power transformers, export version)
Gross weight: 18kg
Power Supply Voltage: AC 100V - 240V / 50Hz-60Hz