Gaining further depth by monaural amplification
Enjoy the tasteful sound quality of analog sound sources
Astro Electronic Planning has revamped its lineup of high-grade amplifiers to all monaural specifications. Along with the conversion of stereo power amplifiers to monaural amplifiers, we have also adopted monaural preamplifiers.The main purpose of a monaural preamplifier is to convert stereo signals to monaural and play them back without interfering with each other by separating the signals into left and right.
Especially in the use of monaural sound sources and playback of monaural recordings,The monaural signals are properly combined to minimize noise and interference for clear playback. This allows users to enjoy the original quality of monaural sound sources.
Beautifully Mirror-ProcessedThe 1.6mm-thick high-quality stainless steel chassis and component mounting mid-plate steel areClear FinishThe robust construction with 1.5mm-thick oxygen-free copper prevents resonance from both inside and outside, contributing to noise-free, highly transparent high sound quality. (The photo below shows the power amplifier.)
The transformer uses an original transformer that pursues sound quality without compromise while keeping the price low. Gold-plated high-grade terminals are used for input and output terminals.
Many analog sound sources such as analog records and analog cassette tapes are in monaural format. By using a monaural preamplifier, you can enjoy the tasteful sound quality of analog sound sources.
Audiophiles and enthusiasts may insist on playing monaural sound sources.The AST-2000MVIPSP is an important component to meet such demand.
The AST-2000MVIPSP allows fine-tuning of the audio balance during monaural playback. The attenuator uses 41 contacts for more precise control.
The AST-2000MVIPSP provides optimal performance not only for stereo sources, but also for monaural sources and analog playback. It will be utilized to accurately reproduce the characteristics of monaural music and provide a rich musical experience.
Tubes used | 6SL7GT x 3 |
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Transformer used | AST-55PK×1 ST-5H-60M |
Junction circuit type bias | 3rd stage cathode follower type |
Frequency Response | 10Hz~100KHz |
Residual Noise | Less than 1mmV / 1W |
Distortion | 0.23% / 1W |
Input impedance |
41 step A type 100KΩ
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Input/output | PHONO-CD-LINE1-LINE2, OUTPUT: 1-2-3 |
SIZE | W 270 x D425 x H150mm |
Weight | Approx. 9.6kg |