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 Vacuum
Tube Amplifier |
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FEATURE:
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All vaccum tube design, handmade, supported scaffolding welding
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Two high-quality broadband sound EI output transformer
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Specially manufactured toroidal power transformer
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High voltage rectifier driven by Russia SOVTEK 5AR4 tube
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Voltage amplification stage driven by Russian production 12AX7EH and 12AU7EH the two tubes
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Class AB 1power Amplifier driven by Russian production KT88 tubes
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Provide triode and ultra-linear selection function.
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Transistors provide soft, pure and sleek sound, perfect for listening voice, stringed music and other types of music;
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Ultra-linear operation mode, widen the sound, unrestrained, solid, for large music scenes, dynamic and other types of music.
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External power tube current adjustment (BIAS ADJUSTMENT) and the current test port
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Full function remote control
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Power amplification
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Start-up delay function (approximately 30 seconds)
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Japanese ALPS potentiometer High Performance motor
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Thick silver coating signal line
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Easy installation of plug-in tube shield
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Model
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A- 70T
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SPECIFICATIONS
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Power Output |
30 W + 30
W
(RMS 8Ω Ultra
linear, KT88) |
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18
W + 18W
(RMS 8Ω Triode, KT88) |
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28 W + 28
W
(RMS 8Ω Ultra
linear, EL34) |
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15
W + 15W
(RMS 8Ω Triode, EL34) |
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Frequency
Response |
15 Hz ~ 48
KHz ± 3dB |
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T.H.D |
1% (1KHz) |
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Input Sensitivity |
380mV
800mV (Pre-in) |
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S/N Ratio |
90 dB |
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Input Impedance |
100 KΩ |
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Output Impedance |
4Ω, 8Ω |
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Tube Used |
12AX7EH x
2,
12AU7EH x 2,
5AR4 x 1,
EL34/KT88 x 4 |
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Power Requirement |
AC 230 V±5%,
50 Hz ~ 60 Hz |
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Power consumption |
280 W |
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Copyright © Since 2003. Ban Leong Bros Pte Ltd. All rights reserved.
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