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Marantz HDAMP1 Amplifier Black
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Marantz HDAMP1 Amplifier Black

This is the newly-created Marantz HDAMP1, and is a high-class compact amplifier, with beautiful, elegant, classic looks. It may be small, but looks are deceiving as it has advanced switching amplifier technology that blasts an astonishing 70W at 4ohms, while its dual crystal clock and discrete DAC post filter with Marantz HDAM-SA2 module make standard counted sound feel as amazing as high-res audio. The all new HD-AMP1 also provides you with the exclusive Marantz Musical Digital Filtering (MMDF), with two selectable filter characteristics to support different tastes and gentre. Each filter deals with even the tiniest detail with a great deal of care within the digital audio signal. As today's new media not only comes in 44.1kHz/16-bit resolution - similar to the CD format, Marantz has developed the digital section to deal with signals of up to 384kHz/32bit resolution and DSD 2.8MHz / 5.6MHz / 11.2MHz. Optical and coaxial digital inputs are all ready to connect a TV or set-top box, and there is a USB-B port to directly stream music from your PC or MAC. Not only that, but iDevices can also be connected by using the USB port located at the front. To safeguard quality when connected to a computer, we build extended isolation around the USB-B input to completely get rid of the chance of high frequency noise that is created by the computer entering the HD-AMP1. Information on the volume, input, resolution, and more is shown on the beautifully stylish Marantz Porthole Display. While the solid aluminium front is supported by a double layer bottom plate and retro-style side panels.
 
Marantz MusicLink Series
Marantz again amplifies its dedication to pure musical performance with the rebirth of MusicLink. This is a product series that was launched way back in 1990 with its focus on reproducing the music essentials all by using small-size, rarely-seen design components. The aim of this is pure and simple: to give the listener all of the emotion and musical detail of the original sound in studio, which is brought together with a stylish appearance and luxuriant feel. The creator of the beautiful MusicLink series is unquestionably, the amazing Ken Ishiwata.

Unique Marantz audio performance with audiophile D/A Converter
Don't be deceived by this amps' small stature, as this HDAMP1 gives you 2x 70 W into 4 Ohms, playfully handling even demanding music parts thanks to an ultra-stable power supply and Marantz own 
Current Feedback technology. The Dual Crystal Clock and a discrete DAC post filter with the company's highly-acclaimed HDAM pre-amplifier modules make standard counted sound feel as amazing as high-res audio. A high-current audiophile SABRE D/A-Converter with no less than 384kHz/32-bit processing is able to recreate even the tiniest details with ease.
 
Marantz Musical Digital Filtering
This HD-AMP1 feautres the exclusive Marantz Musical Digital Filtering (MMDF), which has been inspired by audiophile reference class technology. For Marantz, using standard digital filter solutions is not acceptable, as this filtering is absolutely crucial to the sound reproduction of digital input signals. Because of this, Marantz has invested extensively in gaining expert knowledge, leading into highly-acclaimed Marantz Music Mastering technology used in the award-winning Premium Range 11 Series products. Modified for the HD-AMP1 hardware design, the all new solution is called Marantz Musical Digital Filtering. There are two selectable, digital filter characteristics that cater for different tastes, and each deal with even the tiniest of detail with loving care in the digital audio signal, which ultimately transforms new media files into the best of high-quality playback.
 
Special Switching Amplifier Concept
This amp is the first ever Marantz Hi-Fi product that has included the concept of a switching amplifier. Up until now, switching (Class-D) amps did show limitations which made them not acceptable for demanding Marantz sound engineers to be used in a premium Hi-Fi product. However, now the HD-AMP1 brings together the unique Marantz HDAM technologies, the switching amp concept and an overall feedback loop, to ensure a reliable performance with a broad range of loudspeaker types. Being compared to regular switching amplifier concepts, this amplifier does not take the feedback signal at the output of the amplifier module, but right after the LC filter stage. On the chance that the feedback is taken before the LC filter, the speaker that is connected is not taken into consideration in the amplification process, meaning the amplifier reacts very sensitive to the connected speaker and that performance varies. Because of the carefully created switching amplifier and the feedback taken after the LC filter the impact of the connected speaker becomes very small. In addition to al of this, the damping factor defined by the output impedance of the amp and the impedance of the connected speaker is less sensitive to the frequency too. The high slew rate of the amp concept and the high quality LC Filter itself guarantees a broad bandwidth and a flat frequency responce. This all adds up to an unbelievable Hi-Fi performance in a compact design.
 
Modern connectivity
Not only does the HDAMP1 build on the famous Marantz sound, but it is also highly connectable. There are Optical and Coaxial digital inputs as well as a USB-B port which will let you stream your favourite songs directly from your PC or MAC, or you can connect to other digital sources. You can also connect iDevices via the USB port on the front. And for additional connectivity, this amp supports two analogue inputs. The USB-B works in asymchronous mode to support not only 384kHz/32-bits high-res audio but also the DSD 2.8MHz, 5.6MHz and even 11.2MHz formats for a maximised performance and the most direct way to enjoy amazing sound quality. To ensure quality when connected to a computer, Marantz built extended isolation around the USB-B input to completely get rid of the chance of high frequency noise that can be created by the computer entering the HD-AMP1.

High quality headphone output
This amp is built for the music lovers who want to enjoy their favourite songs via headphone, as the HDAMP1 features a high quality headphone stage with the dedicated amplifier module HDAM-SA2. To work with a broader variety of headphones the gain factor can be modified from low to mid to high. It is because of this that it is possible to drive low to high impedance headphone without any problem.
 
Elegant look
Not only is the HD-AMP1 blissful on the ears, but it also is great to look at too. The solid aluminium front is supported by a double later bottom plate and side panels with retro-style wooden look. There is information on volume, input, resolution and more shown on the stylish Marantz Porthole Display, which clearly resembles the company's renowned design.
 
Dual-layer chassis and aluminum die-cast insulator
Marantz's HDAMP1 is housed in a dual-layer chassis featuring the addition of a bottom plate to the main chassus which will suppress any adveres effects of external vibration on sound quality. The feet of the chassis use aluminium die-cast insulators to further absorb any external vibration.

The HDAMP1 gives you a powerful yet sophisticated sound from modern and legacy sources all in a beautiful small-format appeal. It joins the HDDAC1 Headphone Amplifier with USBDAC in the reborn Marantz MusicLink Series.
 
Features
Channels: 2
Current Feedback Topology: Yes
Phono EQ: Standard / Current Feedback / Constant Current Feedback: No / No / No
HDAM version: SA2
Power Transformer: Toroidal / El: No / No SMPS
High Grade Audio Components: Yes
Customised Components: Yes
Symmetric PCB Layout: Yes
Aluminium extrusion heat sink: No
Copper plated chassis: No
Tri Tone Control (Bass / Mid / Treble): No
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: Yes
Bit-perfect transmission: Yes
Ground isolator for DAC Mode operation: Yes
Bluetooth / aptX / NFC: No
Streaming audio from PC: No
Wi-Fi built in / Ethernet: No
Internet radio: No
AirPlay Audio Streaming: No
Windows Play to: No
vTuner / Spotify / last.fm: No
DLNA certified: No
Lossy formats: MP3 / WMA / AAC: No
Lossless formats: DSD / FLAC192/24 / ALAC96/24 / WAV192/24 / AIFF192/24: No
Gapless Playback: No
Marantz HiFi Remote App: No
Digital in: USB-B / optical / coaxial / USB-A: Yes / 2 / Yes / Yes
Sample Rate Digital In: 192 kHz / 24-bit
DAC chip: Sabre ES9010KM2
DSD-Audio network streaming: No
Analog mode: No

Others
Linear Drive Power Supply: No
Liniear volume control: Yes
BI-AMP and Multichannel option: No
Shottky diodes: Yes
Input buffer amp (all inputs / CD only): No / No
System block shielding: copper / metal / none: No / No / Yes
Double Layer Bottom Plate: No
Low noise LCD display: No
Low Noise OELD display: Yes
Source Direct: Yes
Power Amp direct: No
5mm aluminium top plate: No

Inputs/Outputs
Audio Inputs: 2
Digital in: USB-B / optical / coaxial / USB-A: Yes / 2 / Yes / Yes
Phono Input: MM / MC: No / No
Audio Outputs: No
Balanced In / Out: No / No
Pre-out / Main-in: No / No
Power Amp Direct IN: No / No
Gold Plated Cinch: Yes
Speaker A / B: No
Number of terminals: 2
D-Bus: Yes
Floating Control Bus (3.5 mm mono jack x 2): No
Headphone Out: Yes
Speaker Terminals: Marantz SPKT-1
Headphone Gain Control (low / mid / high): Yes
 
Specifications
Power Output (8 / 4 Ohm RMS): 35 W / 70 W
Frequency Response: 20 Hz-50 kHz
Total Harmonic Distortion: 0.05%
Input Sensitivity: MM: No
Input Sensitivity: MC: No
Signal to Noise Ratio: MM / MC: No / No
Input Sensitivity: High level: 200 mV / 22 kOhm
Input Sensitivity: Balanced High level: No
Signal to Noise Ratio: High level: 105dB(2V input)
Input Sensitivity: Power Amp Direct IN: No
Signal to Noise Ratio: Power Amp Direct IN: No

General
Metal Front Panel: Yes
Power Consumption in W: 55
Standby Consumption in W: 0.3
Auto power off: Yes
Detachable Power Cable: Yes
Remote Control: RC002HD
System Remote Function: Yes
Maximum Dimensions (W x H x D) in mm: 304 x 107 x 352
Weight in kg: 5.8
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