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Air recording was performed to compare and verify the sound quality of the popular vacuum tube GOLD LION and SOVTEK's KT-88 [Russian tube]. It may be a little difficult to tell the difference, but I think GOLD LION has a thicker and fatter sound and a little more gracefulness.
How did you feel about it?
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The power amplifier used is → DYNACO Mark-III
https: //audio-heritage.jp/DYNACO-SCAN ...
A tube-type monaural power amplifier developed by Dynaco.
The 6550 (KT-88) is adopted as an output tube, and high power is obtained by the push-pull system.
The output transformer differs depending on the manufacturing time, and A-431, Z-216, ZT0195, etc. are adopted depending on the age.
Model Tube type monaural power amplifier
Output 60W (rated)
140W (peak)
Total harmonic distortion 0.5% or less (60W, 20Hz-20kHz)
Intermodulation distortion rate 1% or less (at rated output)
0.5% or less (at 50W output)
0.05% or less (at 1W output)
Frequency characteristics 6Hz-60kHz ± 0.5dB
16Hz-25kHz ± 0.5dB (at maximum output)
Input sensitivity 1.6V (60W)
SN ratio 90dB or more (at rated output)
Output impedance 4Ω, 8Ω, 16Ω
Damping factor 15
Vacuum tubes used 6550 (KT-88): 2
6AN8: 1
GZ-34 (5AR4): 1
Power consumption 150W
External dimensions Width 229 x Height 190 x Depth 229 mm
Weight 13.5kg (listed in the 1973 catalog)
12.5kg (listed in 1974 catalog)
11.5kg (listed in 1976 catalog)
Genalex GOLD LION Vacuum Tube KT88 / MQ Matched 4-Piece ST Indirect Heat Beam Tube TGLKT88 / MQ
amzn.to/3owzyy9
TONY LEE TRIO Blue Bossa / Toni Lee Trio [12 "Analog LP Record]
amzn.to/3i6u36Y
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