The newly developed Marantz HD-AMP1 is a first-class compact amplifier with a classy classic appearance. Inside the case, a modern switching amplifier works with 70 W at 4 ohms. With Marantz's dual clocks and discrete DAC and HDAM-SA2 modules, standard-definition material sounds as good as high-resolution audio. The new amplifier is also equipped with the unique Marantz Musical Digital Filtering (MMDF). Two selectable filter characteristics make it possible to adapt to different sound preferences and music styles. Even the tiniest details of digital audio are processed with the utmost care. Since media are no longer delivered only with a resolution of 44.1 kHz / 16-bit (CD format), Marantz has redesigned the digital unit, that signals up to 384 kHz / 32 bit and DSD 2.8 MHz / 5.6 MHz / 11.2 MHz can be processed. A TV or set-top box can be connected via the optical and coaxial digital inputs. And the USB-B port lets you stream music directly from your PC or Mac. iOS devices can also be connected via the USB port on the front panel. To ensure that the quality does not suffer even when connected to a PC or Mac, the USB-B input is surrounded by an enlarged shield, which prevents high-frequency noise generated by the computer from entering the HD-AMP1. Marantz's stylish porthole display displays information about volume, input, resolution, and more. The massive aluminum front is complemented by a two-layered bottom plate and side panels in retro style.
Marantz MusicLink Series - Developed by Sound Designer Legend Ken Ishiwata
With the continuation of the MusicLink series, Marantz again emphasizes the claim to always provide a high-quality music reproduction. MusicLink was originally introduced in 1990 as a technology for the reproduction of finest sound details with highly compact design components. A simple goal is pursued here: On the one hand, listeners should be able to enjoy the unadulterated sound that was recorded in the recording studio, while on the other, the emphasis is on an elegant appearance with a luxurious appearance. It's no coincidence that the new MusicLink series was again developed by Ken Ishiwata, Marantz's acclaimed lead sound designer and brand ambassador.
Unique sound quality from Marantz with an audiophile D / A converter
The compact design should not deceive audio enthusiasts. The HD-AMP1 delivers 70 watts at 4 ohms twice and thanks to its extremely stable power supply and the current negative feedback from Marantz, it masters the most demanding pieces of music in a playful way. With both clocks and the discrete filter featuring Marantz's exclusive HDAM preamplifier modules, standard material sounds as top-notch as high-resolution audio. An audiophile SABER high-current DAC capable of handling 384kHz / 32 bit effortlessly reproduces even the most delicate details. This is complemented by an excellent headphone amplifier similar to the HD-DAC1 sister product of the MusicLink series.
Einzigartige Audio-Performance durch Marantz Musical Digital Filtering (MMDF)
To complement the features of the HD-AMP1, it is equipped with the unique MMDF technology (Marantz Musical Digital Filtering), which is inspired by the audiophile reference class. For Marantz, the use of standard digital filters is out of the question, since the filtering has a decisive influence on the sound reproduction of digital input signals. That's why the company has invested heavily in developing the Marantz Music Mastering technology used in the award-winning 11 Series Premium Series products. Two digital filter characteristics serve different preferences. Even the tiniest details of digital audio are processed with the utmost care, and new media files are presented with the detail of high-resolution playback.
The HD-AMP1 is the first premium HiFi product from Marantz to work with a so-called switching amplifier. The HD-AMP1 has been able to combine Marantz's unique HDAM technologies, the switching amplifier concept and cross-feedback to achieve consistent sound performance with a wide variety of speaker types. In the case of the HD-AMP1, unlike conventional switching amplifier concepts, the feedback signal is not tapped at the output of the amplifier module, but directly after the LC filter stage. This prevents the amplifier from being too sensitive to the connected loudspeaker, resulting in large variations in sound performance. In addition, the damping factor, which is defined by the output impedance of the amplifier and the impedance of the connected speakers, less frequency dependent. The high slew rate of the amplifier concept and the high-quality LC filter itself provide a wide frequency range for a linear frequency response. All these factors taken together lead to an exceptional hi-fi performance in a surprisingly compact design.
The HD-AMP1 not only convinces with the excellent Marantz sound, but also offers numerous connectivity options. The optical and coaxial digital inputs and USB-B port allow music to be streamed directly from a PC or Mac or other digital sources. iOS devices can also be connected via the USB port on the front panel. Even more flexibility is provided by an additional analogue input. For optimal performance, the USB-B port operates in asynchronous mode and can handle not only high-resolution 384kHz / 32-bit audio, but also DSD 2.8MHz, 5.6MHz and even 11.2MHz. To ensure that the quality does not suffer even when connected to a PC or Mac, the USB-B input is strictly shielded from other parts of the amplifier to prevent
High-quality headphone jack For
music lovers who prefer to enjoy their favorite music via headphones, the HD-AMP1 offers a high-quality headphone jack with its own HDAM-SA2 amplifier module. The amplification factor can be adjusted in three stages to different types of headphones. Therefore both headphones with low and high impedance can be controlled.
The HD-AMP1 convinces not only acoustically but also optically. The massive aluminum front is complemented by a two-layered bottom plate and wooden side panels in retro style. The stylish porthole display, which reflects Marantz's long design tradition, displays information about volume, input, resolution, and more. This creates the attractive yet strikingly compact appearance.
Anti-vibration chassis construction with die-cast aluminum feet
The HD-AMP 1 features a dual -layer chassis with an additional bottom plate that minimizes adverse effects of vibration on sound quality. The feet were manufactured using the die-cast aluminum process to additionally effectively suppress external vibrations.
The Marantz HD-AMP1 delivers rich, multi-faceted sound for both modern and traditional source materials, with a beautiful, compact look. It is equipped with a high-quality headphone amplifier similar to the HD-DAC1 as well as an advanced USB D / A converter of the newly launched Marantz MusicLink series.
Current feedback technology
HDAM version SA2
High quality audio components
Symmetrical board layout
Balance / Bass / Treble / Loudness yes / yes / yes / no
USB-A: DSD / WAV / FLAC / AIFF / ALAC <= 5.6 / 192/192/192/96
USB-B DSD Audio Streaming (DoP) <= DSD11.2
Asynchronous mode rear USB
Ground isolator for DAC mode operation
Digital in: USB-B / optical / coaxial / USB-A yes / 2 / yes / yes
Sample Rate Digital In 192 kHz / 24-bit
DAC chip Sabre ES9010KM2
Low Noise OELD display
Audio Eingänge 2
Digital in: USB-B / optical / coaxial / USB-A ja / 2 / ja / ja
Anzahl der Anschlüsse 2
Speaker Terminals Marantz SPKT-1
Headphone Gain Control (low / mid / high)
Ausgangsleistung (8 / 4 Ohm RMS) 35 W / 70 W
Frequenzgang 20 Hz-50 kHz
Klirrfaktor insgesamt 0.05%
Eingangsempfindlichkeit: High level 200 mV / 22 kOhm
Signal-Rauschabstand: High level 105dB(2V input)
Stromverbrauch in W 55
Standby -Stromverbrauch in W 0.3
Abmessungen (B x H x T) in mm 304 x 107 x 352
Gewicht in kg 5.8
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