Original Marantz NR1602 Audio/Video Surround Receiver service and repair manual. This is the exact same manual which is used by all official Marantz technicians and maintenance employees. This guide will provide you with all technical aspects in order to service and repair your receiver! You will get in-depth information about. The Most Musical Sound. Extensively tuned by Marantz Sound Masters at the most state of the art facilities to deliver an exquisite sonic signature. No component leaves the hands of Marantz Sound Masters until it passes rigorous testing. Envelop yourself with the most musical sound, from any source. High-performance Discrete 9-Channel Amplifier.
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Our newest PMD recorder is small enough to fit in the palm of your hand, but it has features that make more expensive, full-sized field recorders green with envy. It can run for hours on just four AA batteries. It records on Compact Flash media cards which you can find in any discount store, and will store more than 36 hours of mono on a single card. If audio quality is your key requirement, you get over an hour of pristine, uncompressed, 16-bit .wav files. Editing can be achieved right there in the field using either of two editing modes, or you can use your favorite audio editing application by transferring files to your PC-the PMD660 even has its own USB port. XLR inputs, phantom power, built-in mics and more-it's all there in the PMD660.
- WINNER of the 2005 Radio World 'Cool Stuff Award'
- WINNER of the 2005 Radio Magazine 'Pick Hit Award'
- Smallest PMD yet-fits in your hand
- Uses inexpensive, widely available Compact Flash media (CF)
- Operates for four hours on four AA batteries
- Two XLR mic connections with +48v phantom power
- Two built-in condenser mics for easy, true stereo recordings
Only recently available, the new Marantz ND8006 multi source system offers in the same very elegant box a CD player, a Hi-Res network player, a Bluetooth receiver, three S/PDIF digital inputs as well as a USB A input for a removable storage device and a USB B socket allowing this device to act as a DAC with a computer and decoding all the current formats, and therefore perfectly suited to the playback of dematerialized music in every shape and form.
This ND8006 benefits from an advanced technical conception and notably integrates the Marantz Musical Digital Filtering (MMDF), a one of a kind filter inspired by Marantz’ audiophile technology of the same reference. It possesses its HEOS multiroom control application and is compatible with many online music services, but not with Qobuz unfortunately.
Its Airplay compatibility will however allow you to stream Qobuz in CD quality from an Apple smartphone, tablet or computer. Even better, as this device is UPnP/DLNA, you can use the mconnect Player or mconnect Player HD applications which both integrate Qobuz (in Hi-Res for the latter), and this with smartphones and tablets on iOS as well as on Android.
Below are some images, so you can take a better look at the exterior of this Marantz ND8006 and discover the main features of its beautiful and efficient electronics with its sparkling sound.
Presentation
It has been quite a while now that Marantz has adopted the presentation that we find in this new ND8006 network and CD player. The facade benefits from some dynamism with a central section made from anodized aluminum, with sides connected to it via a two-side vertical resin fore edge with a backward profile. Two finishes are available, black and silver.
The central section hosts the CD tray on top of a display, as well as the keys and a 6.35 mm headphone Jack with its volume knob and a USB A socket to plug in a storage device.
The command panel located on the left of the display allows for the configuration of a device and the browsing of the menus; the Enter key allows you to confirm and the Back key to go back to the previous option, the Input key allows you to change the input source. The classic keys on the right will allow you to control the CD player, the Play/Pause key also being active in network playback.
Connectivity
The proposed connectivity is what you can expect from a modern device of this type. You will find a RJ45 input to connect it to the network and four other digital inputs: a USB B to connect a computer and three S/PDIF inputs, a coaxial and two optical ones. It is a serious provision, especially since you also get a Bluetooth connection (standard) sharing two antennas with the Wi-Fi connection.
Two S/PDIF digital outputs, coaxial and optical, are also available, as well as a RS232 socket to incorporate the ND8006 in a home automation system. The device can be used with its own remote or receive orders from another device connected via the provided bus. A Jack socket marked Flasher allows you to plug in a control box.
The stereo analog signals are available at a fixed level (to connect to an integrated amplifier possessing its own volume control) or at a variable level to power amplified speakers or power amplifiers that do not have their own volume control.
Manufacturing
The Marantz ND8006 multi source player indisputably benefits from a nice manufacturing quality. Even if the inside is completely occupied, cleanliness is king and the various interconnections between the cards are made through ribbon cables held by plastic-sheathed metal flap. You will note the use of a toroidal transformer reinforced by a metal belt as well as the presence of decontaminating ferrites on some cables. The structure of the chassis is sound and it displays good rigidity.
All the digital inputs are gathered on the same card (under it the power supply is located, which we couldn’t access), starting with the optical and coaxial S/PDIF inputs handled by a Burr-Brown PCM9211 (24-Bit/192 kHz) Digital Audio Interface Transceiver, which controls their commutation. It also manages the signals coming from the Bluetooth receiver integrated to the Wi-Fi card standing on the circuits thanks to some small columns. Just on top of the Wi-Fi card a Toshiba TC94A92FG CD servo controller is located, which also decodes compressed audio (Bluetooth). On the left of the picture, you can see the CD playback control mechanism, a Rohm BA5810FM.
The USB interface calls upon a XMOS 8U7C10 processor while the decoding of the signals coming from the network is handled by an Altera Max Ⅴ Complex Programmable Logic Device (CPLD). All those things are supervised by a R5F5631 Renesas Electronics 32-Bit microcontroller.
On the other card the digital-to-analog conversion circuit (center right), the signal filtering section (left side) as well as the headphone amplifier (on the right) are all located. As you can see, those last two functions are made in discrete components respectively.
The digital-to-analog conversion chip is an ES9016K2M model, compatible with PCM up to 384 kHz and with DSD up to 11.2 MHz, from the American manufacturer ESS. This chip uses the Time Domain Jitter Eliminator and Hyperstream™ processes, the latter of which involves a 32-Bit recalculation at high frequency of each and every digital signal. As we already have noted, three oscillators are implemented with this circuit, one for its internal clock and two others allowing it to synchronize both with digital audio signals sampled at 44.1 kHz and their multiples and those sampled at 48 kHz and their multiples. This allows the Hyperstream process to work in synchronous mode with digital audio signals, which isn’t the case when the chip uses only one oscillator, and it has a clear impact on the sound.
As you can see, the filtering analog circuits uses components selected with care (Melf-type resistances, plastic-layered capacitors), as well as the famous Marantz’ Hyper Dynamic Amplifier Module (HDAM), giving it a wide dynamic range and a lower distortion. You will notice that the supply of these stages calls upon very high-value filtering capacitors associated to transistorized voltage regulators.
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It’s the same for the headphone amplifier, the HDAM-SA2, suited for a wide range of headphones, that uses only quality discrete components. Three gain values can be selected for this amplifier from the menu depending on the sensitivity of the pair of headphones you are using.
Sound
As the Marantz ND8006 network player is not compatible with Qobuz, we started by listening to the Allegro from Dvorak’s American Suite, in a 24-Bit/192 kHz Hi-Res version, performed by the Budapest Festival Orchestra conducted by Ivan Fischer, streamed from our NAS server that we accessed via the HEOS application. The amplification was handled by our Sony UDA-1 amplifier connected to our Triangle Antal anniversary speakers.
The sound reproduction offered on this work by the Marantz ND8006 has somewhat changed it from the way we’re used to hear it. Here, no fast and precise zooms on the instrumental details but a more global vision, more concise, almost analog we could say. We hear everything, from the smallest ringing of the triangle to the cymbals striking during the final measures, but everything remains in some kind of musical continuity where the fusion between the instrumental groups is rather marked while the expression of dynamics remains slightly restrained.
We’re going to go on the USB B input and use Qobuz for Mac/PC to listen to Vivaldi’s Vespri per l'Assunzione di Maria Vergine performed by the Concerto Italiano conducted by Rinaldo Alessandrini in order to refine our previous impressions, especially in terms of vivacity of restitution. We felt it before, and it is confirmed, the string attacks don’t have their usual vivacity and it becomes part of a global vision, rather typical of Marantz, to offer a rather warm and smoothed restitution, very pleasing to the ears and gratifying for the music, and which has its indefectible partisans.
It’s the same with the 70s track Isn't It A Pity from George Harrison’s album All Things Must Pass, whose eminently mind-blowing character sees its ceiling go beyond the stratosphere, carried by the embellishing sound facelift provided by the Marantz ND8006.
As the ND8006 possesses a headphone out that has been devised with great care, like the rest of the electronics, we listened to via the CD player to the physical version of Beethoven’s Violin Concerto by Vera Beths on violin and the Tafelmusik ensemble conducted by Bruno Weil.
On the headphone out, with our Oppo PM-3, we find this interpretation, that we know quite well, more or less similar to what we usually hear, with some biting on the playing of the soloist and global dynamics that are more confident than on the line outs, while the density of the restitution on the whole, without departing from a certain warmth, proves to be less typical of Marantz.
To conclude, this is a very nice device, both externally and internally, that Marantz offers us with this ND8006 multi source network player, that is perfectly suited to the new ways to store and listen to music. Its warm sound will delight the brand’s aficionados and will also probably charm other people who like beautiful sound restitutions!
Specifications (EN)
User Manual
ND8006 on Marantz UK website
Contact
USB driver links (click on the Download tab)
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Playback Capabilities
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