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PMA-520AE giá rẻ nhất hà nội

Ampli 2 kênh với mạch High Current (HC) Single-Push-Pull Circuit cho âm thanh chi tiết, nhạc tính và mạnh mẽ.
Ampli 2 kênh PMA-520AE với nhiều cải tiến về mạch âm sắc và dùng sò dòng cao loại mới. vẫn trung thành với " sơ đồ" mạch Single-Push-Pull Circuit, nay PMA-520AE được trau chuốt hơn về độ tinh tế trong xử lý phần âm sắc, giúp người nghe cảm thấy dễ chịu và tự nhiên hơn từ âm thanh tái tạo.
PMA-520AE giá rẻ nhất hà nội

 

Advanced High Current (HC) Single-Push-Pull Circuit
Mặt nhôm phay sang trọng
Mạch Loudness
Công suất : 45 W + 45 W ( 8 ohm), 70 W + 70 W (4 ohm)
Kích thước ( C x N X S) : 121 x 434 x 308mm
Trọng lượng: 6.8Kg

Integrated amplifier with enhanced audio dynamics

The PMA-520AE integrated amplifier features a High-Current Single-Push-Pull circuitry to achieve both strength and detail in music playback, which is Denon’s focus for its pure audio amplifiers. The relay switch used for CD and Phono input contains an inert gas to prevent the occurrence of noise that can negatively affect the signal. In addition, durable parts strictly selected for their contribution to sound quality, such as the large-capacity block capacitor for the power supply circuit, high-quality sound carbon resistors, and high-quality sound capacitors, are also used. Each individual part employed in configuring the circuits reflects this emphasis on high fidelity. For improved convenience, the remote control unit that comes with the PMA-520AE includes the main functions that control Denon CD players.

High Current (HC) Single-Push-Pull Circuit for musical detail and power

The PMA-520AE incorporates HC transistors with 2 to 3 times the electrical current supply capability of conventional power transistors for audio. Denon’s acclaimed HC Single-Push-Pull Circuit has been inherited from its high-end models which, together with a fully discrete amplifi er design, produces a powerful sound fi lled with beautiful musical details.

High-speed, high-capacity power supplycircuit for HC Single-Push-Pull

The PMA-520AE's power circuit uses a block capacitor that Denon engineers have jointly developed with a parts manufacturer and a Schottkybarrier diode that features low internal resistance for low loss, short recovery time, and negligible rectifying noise. This highly stable electrical current supply further brings out the expressive power of sound produced by the HC Single-Push-Pull Circuit.

Wide dynamic range, supporting high-grade audio sources

The PMA-520AE's tone control and power amplifi er circuit have been carefully adjusted to secure a frequency response of up to 100 kHz during actual use. Also, improvements in the volume circuit suppress noise in the amplifier to achieve high sonic resolution. These features and others give the PMA-520AE plenty of latitude to handle the wide dynamic range of high-grade audio sources such as Super Audio CD and DVD-Audio.

Main transformer with separate power supplies for analogue

The coiled wire within the power transformer for the audio signal and control circuits has been separated to eliminate mutual interference and adverse infl uences on sound quality. The PMA-520AE also has a separate transformer to minimize power consumption when in "standby". Ensuring a more environmentally friendly design.

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