REISONG Boyuu A-50 MKIII 300B Модернизированная версия несимметричного лампового интегрированного усилителя класса А

REISONG Boyuu A-50 MKIII 300B Модернизированная версия несимметричного лампового интегрированного усилителя класса А
Product Price: $575.99 USD
Product Model: BoyuuRange A50 MKIII
Shipping Weight: 21 Kg

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All items Guaranteed 100% Brand New In the original edition Box and Come from the original factory.
All items ONE-YEAR WARRANTY !!!
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All items ship with DHL/UPS/TNT/EMS, (DHL/UPS/TNT) About 3-7days delivery time, EMS About 7-15days delivery time.
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Product Declaration

REISONG Boyuu A-50 MKIII 300B Single-end Class A Vacuum Tube Intergrated Amplifier Upgraded Version 100% original factory and brand new

Factory add an Inductance transformer and Bipolar filter circuit to get the nicer sound for the MKIII.

Specification: 
Voltage amplification and promotion tubes: 6N8P (6SN7) × 2 
Power output tube: 300B × 2 (brand PSVANE) 
Rectifier: 5Z3PAT × 1 
Output power: 7.6W x 2 (Class A) (No negative feedback) 
Frequency response: 30Hz-42KHz 
Output impedance: 4Ω, 8Ω 
Total harmonic distortion: ≤1% (1kHz) 
Input sensitivity: 750MV 
Input impedance: 100KΩ (3 groups of input jacks) 
Volume: 375 W x 290 D x 180 H mm 
Packing volume: 500 W x 450 D x 290 H mm 
Signal to noise ratio: 89DB 
Net weight: 18 kg 
Gross weight: 21 kg 

REISONG Boyuu A-50 MKIII 300B Single-end Class A Vacuum Tube Intergrated Amplifier Upgraded Version