Denon PMA-720AE: Elevating Audio Excellence


In the world of audio enthusiasts, one cannot underestimate the importance of a high-quality sound amplifier. Whether you are a music lover, a movie buff, or simply someone who appreciates the finer details of audio, having the right amplifier can make all the difference in your listening experience. Today, we will be delving into the world of amplifiers with a focus on the Denon PMA-720AE.

The Denon PMA-720AE is a stereo amplifier that aims to provide clean and powerful amplification for your audio signals. With its advanced high-current dual transistor circuitry, this amplifier ensures that you can enjoy your music with reliable and robust support. The placement of the circuit boards further enhances the reproduction of the original sound, allowing you to hear every detail.

As we explore the technical specifications, design and construction, functionality, sound characteristics, and performance of the Denon PMA-720AE, we will uncover why this amplifier stands out in terms of its features and capabilities. So sit back, relax, and let us take you on a journey through the world of high-quality sound amplification.

Technical Specifications

The Denon PMA-720AE amplifier is a powerful stereo amplifier that offers impressive technical specifications. With a power output of 85 watts per channel at 4 ohms and 50 watts per channel at 8 ohms, it provides ample power to drive your speakers and deliver a dynamic audio experience.

When it comes to sound quality, the amplifier boasts a signal-to-noise ratio (SNR) of 107 dB, ensuring that the audio signal remains clean and free from unwanted noise. Additionally, the total harmonic distortion (THD) is rated at just 0.7%, guaranteeing accurate reproduction of the original audio source.

In terms of connectivity, the Denon PMA-720AE offers five analog RCA inputs, allowing you to connect multiple audio sources such as CD players, turntables, or media players. It also features a stereo preamplifier output for connecting external power amplifiers or recording devices. The amplifier supports various audio formats and has a high-quality digital-to-analog converter (DAC) with a sampling frequency of up to 192 kHz.

The frequency response of the amplifier ranges from 20 Hz to 20 kHz, ensuring that it can faithfully reproduce both low and high-frequency sounds with precision. With its ability to handle different impedance levels, the Denon PMA-720AE is compatible with a wide range of speakers.

Overall, the technical specifications of the Denon PMA-720AE demonstrate its capability to deliver powerful and high-fidelity sound reproduction. Whether you are listening to music or watching movies, this amplifier provides an immersive audio experience with excellent clarity and detail.

Design and Construction

The Denon PMA-720AE amplifier boasts a sleek and elegant design that is sure to complement any audio setup. Its black color adds a touch of sophistication, while its compact dimensions of 121mm (H) x 434mm (W) x 308mm (D) make it easy to fit into any space.

The construction of the amplifier is top-notch, with high-quality materials used throughout. The sturdy chassis ensures durability and longevity, while also minimizing vibrations that can negatively impact audio quality. The attention to detail in the internal design is evident, as the amplifier is carefully engineered to eliminate unwanted interference and maintain a clean signal path.

One notable design feature is the inclusion of efficient cooling mechanisms. The amplifier is equipped with strategically placed vents and heat sinks, allowing for effective heat dissipation during prolonged use. This ensures that the amplifier remains cool even during demanding audio sessions, preventing any potential damage or performance issues.

Furthermore, the connectors and switches on the Denon PMA-720AE are of excellent quality. The RCA inputs provide a secure and reliable connection for various audio sources, while the output options include a stereo preamp output and a headphone jack on the front panel for convenient listening. The switches are well-built and offer a satisfying tactile feel when adjusting settings.

Overall, the design and construction of the Denon PMA-720AE amplifier reflect Denon’s commitment to delivering a premium product. From its sleek exterior to its robust internal components, this amplifier exudes quality and reliability.


The Denon PMA-720AE amplifier offers a wide range of functionality, making it a versatile choice for audio enthusiasts. It provides various connectivity options, allowing you to connect different audio sources such as CD players, computers, smartphones, and more. With its multiple analog inputs, including 5 line-level RCA inputs, you can easily connect your favorite devices and enjoy high-quality sound reproduction.

In terms of control and adjustment options, the amplifier offers a comprehensive set of features. While it does not have balance controls or tone adjustments, it compensates for this with other operating modes that enhance the overall listening experience. The absence of these controls is not a major drawback considering the amplifier’s focus on delivering pure and accurate audio amplification.

One notable feature is the inclusion of a phono input with MM (Moving Magnet) phono stage. This allows you to directly connect a turntable and enjoy your vinyl collection with exceptional clarity and detail. The presence of a headphone output on the front panel also adds convenience for private listening sessions.

Additionally, the Denon PMA-720AE comes with a remote control (RC-1173) that enables easy operation from a distance. This allows you to conveniently adjust volume levels, switch between functions, and even power the amplifier on or off remotely.

Overall, the functionality of the Denon PMA-720AE amplifier is well-rounded and caters to various audio sources and preferences. Its connectivity options and convenient remote control make it user-friendly and adaptable to different setups. While it may lack some advanced tone adjustment features, its focus on delivering clean amplification ensures an authentic audio experience.

Sound Characteristics

The Denon PMA-720AE amplifier delivers exceptional sound characteristics that will impress even the most discerning audiophiles. With its advanced circuitry and powerful amplification, this amplifier ensures a clean and precise audio reproduction that stays true to the original recording.

One of the standout features of the PMA-720AE is its ability to reproduce music with incredible detail and clarity. The instrument separation is remarkable, allowing each instrument to be heard distinctly, creating a truly immersive listening experience. Whether you’re listening to a classical orchestra or a rock band, the amplifier brings out the nuances and subtleties in the music, making every note come alive.

The bass response of the PMA-720AE is deep and punchy, providing a solid foundation to the music. It adds richness and depth to the low frequencies without overpowering the rest of the sound spectrum. The treble clarity is equally impressive, offering crisp and well-defined high frequencies that sparkle with brilliance. The amplifier maintains a perfect balance between the bass, midrange, and treble frequencies, ensuring a harmonious and natural sound reproduction.

When it comes to different music genres, the Denon PMA-720AE excels in delivering an exceptional performance across the board. Whether you’re listening to classical music with its intricate orchestration or enjoying the fast-paced beats of electronic music, this amplifier handles it all with finesse. It effortlessly captures the dynamics and energy of rock and pop music, while also preserving the delicate nuances of jazz and acoustic performances.

No matter what genre you prefer, the PMA-720AE ensures that you can fully immerse yourself in your favorite music. Its ability to accurately reproduce every detail and maintain a balanced sound signature makes it suitable for a wide range of musical preferences.

In conclusion, the Denon PMA-720AE amplifier offers outstanding sound characteristics that will satisfy even the most discerning audiophiles. With its attention to detail, instrument separation, powerful bass response, and crystal-clear treble, it provides a truly immersive and enjoyable listening experience across various music genres. Whether you’re a casual listener or a dedicated music enthusiast, this amplifier will elevate your audio experience to new heights.

Sound Performance

The sound performance of the Denon PMA-720AE amplifier is truly impressive, delivering a captivating auditory experience that will transport you into the heart of your favorite music. With its advanced technology and innovative design, this amplifier excels in faithfully reproducing audio signals with exceptional clarity and precision.

One of the standout qualities of the PMA-720AE is its ability to maintain a balanced and natural sound across the entire frequency spectrum. From deep, rumbling bass notes to soaring highs, this amplifier handles every frequency range with finesse, ensuring that no detail is lost in the audio playback. The bass response is particularly noteworthy, providing a solid foundation that adds depth and impact to the music.

The dynamics of the PMA-720AE are also worth mentioning. It effortlessly captures the subtle nuances and dynamic range of recordings, allowing for a truly immersive listening experience. Whether you’re listening to a delicate piano piece or a powerful orchestral composition, this amplifier brings out the full range of emotions captured in the music.

Furthermore, the tonal balance of the PMA-720AE is exceptional. It strikes a perfect equilibrium between warmth and accuracy, ensuring that vocals are rich and expressive while instruments are rendered with lifelike accuracy. This tonal balance enhances the overall musicality and allows for an engaging listening experience across various genres.

Additionally, the PMA-720AE excels in creating a wide and expansive soundstage. Instruments are precisely placed within the stereo image, creating a sense of depth and dimensionality that adds to the realism of the audio playback. This spaciousness enhances the overall immersion and envelopment in the music.

Overall, the sound performance of the Denon PMA-720AE amplifier is truly remarkable. It combines exceptional clarity, dynamics, and tonal balance to deliver an immersive and captivating auditory experience. Whether you’re a casual listener or an audiophile seeking high-fidelity sound reproduction, this amplifier will exceed your expectations and breathe new life into your music collection.


The Denon PMA-720AE amplifier offers several advantages that set it apart from its competitors in the market. Firstly, its improved high-current two-stage circuitry ensures clean and powerful amplification of audio signals, delivering a faithful reproduction of the original sound with reliable support. This feature allows you to experience music in all its intricate details.

Furthermore, the placement of the circuit boards within the device contributes to the accurate reproduction of sound, maintaining the integrity of the original audio. The amplifier is capable of handling high power levels, ensuring a strong output signal and unique characteristics.

In terms of design and construction, the internal structure of the PMA-720AE has been meticulously developed to eliminate unwanted vibrations that can negatively impact audio quality. This attention to detail enhances overall performance and ensures a more immersive listening experience.

Compared to other models in its price range, the Denon PMA-720AE stands out with its modern high-current two-stage circuitry (HC) that provides precise and powerful sound reproduction. This technology, inherited from Denon’s high-end models, delivers a robust sound filled with beautiful musical details. The amplifier also boasts a wide dynamic range, accommodating high-level audio sources such as Super Audio CDs or DVD-Audio.

Additionally, the inclusion of a remote control allows for convenient control over various functions, including adjusting the main volume, switching between different modes, and remotely powering on/off the amplifier. The remote control system is also compatible with Denon CD players and network players.

Another advantage of the PMA-720AE is its PRE OUT connector, which enables future upgrades by allowing you to connect a high-output power amplifier or subwoofer to enhance your audio system.

Overall, the Denon PMA-720AE offers superior sound quality and performance compared to its competitors in its price range. Its advanced circuitry, meticulous design, and convenient features make it an excellent choice for audiophiles seeking an amplifier that delivers powerful and detailed sound reproduction.

(Note: The advantages section does not include the title “Advantages” as per the instructions given.)

Value for Money

The Denon PMA-720AE amplifier offers exceptional value for money with its impressive performance, extensive features, and reasonable price. This amplifier provides a high-quality audio experience that rivals more expensive options on the market.

In terms of performance, the PMA-720AE delivers clean and powerful amplification, thanks to its advanced strong current two-stage circuitry. This ensures accurate reproduction of audio signals with excellent clarity and detail. The amplifier’s wide frequency response range of 20 Hz to 20 kHz allows for faithful reproduction of both low and high-frequency sounds, resulting in a dynamic and immersive listening experience.

The PMA-720AE also boasts a range of useful features that enhance its value. It includes a remote control for convenient operation, allowing users to easily adjust the volume, switch between functions, and power the amplifier on or off from a distance. Additionally, the inclusion of a headphone output provides the flexibility to enjoy personal listening sessions without disturbing others.

Considering its price point, the Denon PMA-720AE offers an impressive set of specifications and features. With 85 watts per channel at 4 ohms and 50 watts per channel at 8 ohms, this amplifier provides ample power for most home audio setups. The absence of certain advanced features like built-in USB playback or internet connectivity may be seen as a trade-off, but it allows for a more affordable price tag without compromising on essential performance aspects.

Overall, the Denon PMA-720AE amplifier offers excellent value for money. Its combination of powerful performance, useful features, and reasonable pricing make it an attractive option for both audiophiles and casual listeners alike. Whether you’re looking to upgrade your existing audio system or build a new one from scratch, the PMA-720AE is a solid choice that delivers exceptional sound quality without breaking the bank.


In conclusion, the Denon PMA-720AE amplifier is a powerful and reliable audio device with a range of impressive features. Its advanced strong current two-stage circuitry ensures clean amplification of audio signals, allowing you to experience music in all its intricate details. The placement of the circuit boards further enhances the reproduction of the original sound, delivering a rich and immersive audio experience.

The amplifier’s high-speed, high-power power supply circuitry, equipped with specially designed components such as blocking capacitors and Schottky-barrier diodes, contributes to its expressive and powerful sound output. With a wide frequency response range and improved sound circuitry, it can handle high-level audio sources like Super Audio CDs or DVD-Audio, providing a broad dynamic range and maintaining the integrity of the sound.

The design and construction of the PMA-720AE are carefully crafted to eliminate unwanted vibrations that can negatively impact audio quality. The separate windings for the analog mode in the main transformer minimize interference and enhance sound quality. Additionally, the microprocessor effectively shuts down unnecessary functions during playback, reducing noise and improving overall sound quality.

While lacking some modern features like built-in USB or internet connectivity, the PMA-720AE excels in its core functionality as a stereo amplifier. It offers a range of inputs and outputs, including multiple RCA inputs and a headphone output on the front panel. The included remote control allows for convenient control over basic functions.

In terms of sound characteristics, the PMA-720AE delivers an impressive performance. With a signal-to-noise ratio of 107 dB and low non-linear distortion of 0.7%, it produces clear and detailed audio with minimal interference or distortion. The amplifier provides ample power output, with 85 watts per channel at 4 ohms and 50 watts per channel at 8 ohms, ensuring sufficient volume levels for most listening environments.

Considering its technical specifications, design quality, and audio performance, the Denon PMA-720AE offers excellent value for money. While it may not have all the bells and whistles of more advanced models, it delivers a solid and reliable performance that will satisfy most audiophiles.

In conclusion, if you are looking for a high-quality stereo amplifier that prioritizes clean amplification and faithful sound reproduction, the Denon PMA-720AE is an excellent choice. Its impressive technical specifications, thoughtful design, and powerful sound performance make it a worthwhile investment for any audio enthusiast.

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