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D+M Group, formerly known as DMGlobal and D&M Holdings, was a Japanesecorporation that owned several audio and video brands. It was formed in 2002 from the merger of Denon and Marantz.[1][2] It had acquired several other companies since that time. Prior to 2008, it was owned by RHJ International, which is associated with Ripplewood Holdings. In 2008, it was acquired by K. K. BCJ-2, a Tokyo corporation owned by investment funds advised by Bain Capital.[3] In August, 2010, Jim Caudill, a former Stanley Black & Decker executive, was named CEO.[4]
- The dedicated driver must be installed in the PC before this unit is connected to a PC. Operation will not occur correctly if connected to the PC before the dedicated driver has been installed. Player software supporting the Audio Stream Input Output (ASIO) driver is required to play files with a sampling frequency of 352.8 kHz/384 kHz without.
- Eisenhower School for National Security and Resource Strategy (formerly the Industrial College of the Armed Forces) prepares selected military and civilians for strategic leadership and success in developing national security strategy in relation to national resource management and industrial capacity.
- InfoSpace metasearch engine offering search of the general web, or images, audio, video and news. Also offers search of Yellow Pages and White Pages.
In April 2014, D+M Group sold Denon Professional, Marantz Professional, and Denon DJ to inMusic.[5] In February 2017, D+M Group was acquired by American company Sound United LLC.[6][7][8]
Holdings and brands[edit]
References[edit]
- ^D&M Corporate History
- ^'Denon and Marantz roll out AirPlay 2 support for select AV receivers'. AppleInsider. Retrieved 2018-09-19.
- ^D&M press release
- ^D&M press release
- ^Robinson, Dave. 'inMusic targets installation after D&M Professional deal'. Pro Sound News Europe. Future Publishing Limited. Retrieved 9 January 2019.
- ^Aaron Levine (March 1, 2017). 'Sound United Announces Acquisition of D+M Group'. Sound United.
- ^'Acquisition sees Denon, Marantz, joining Polk Audio parent company Sound United'. Digital Trends. 2017-03-01. Retrieved 2018-09-19.
- ^'Audio alliance forged as Sound United and Polk acquire Denon and Marantz'. TechCrunch. Retrieved 2018-09-19.
External links[edit]
![Download Download](https://img.yumpu.com/26582753/1/500x640/dn-mc6000-update-instructions-dampm-professional.jpg)
You can enjoy high-quality audio playback from the D/A converter built in to this unit by inputting music files into this unit from a computer via USB connection.
Before USB connecting this unit to your computer, install the driver software in your computer.
Also, you can use whichever commercially available or downloadable player software you like to playback files on your computer.
OS
Mac OS X 10.9, 10.10 or 10.11
USB 2.0: USB High speed/USB Audio Class Ver.2.0
This unit was checked the operation using the system requirements by us, but it does not guarantee the operation of all systems.
Installing the dedicated driver link
Audio Device Settings link
The driver software cannot be installed correctly if your PC is connected to the unit by a USB cable.
If the unit and your computer are connected by a USB cable and the computer is switched on before installation, disconnect the USB and restart the computer.
![Windows Windows](https://www.helpowl.com/manualimages/5/k/marantz-rc9001-rc9001-user-manual-8490e4b_16_79b4.png)
The installation starts. Do not perform any operation on the PC until the installation is completed.
For the connection procedure, refer to the “Connecting a PC or Mac” section. link
When the unit power is turned on, the PC automatically finds and connects to the unit.
When there is a checkmark for a different device, click HD-AMP1 and “Set Default”.
Outputs a TEST signal from the PC and checks the audio output from the USB-DAC function.
The HD-AMP1 Properties window is displayed.
It is recommended that “2 channel, 24 bit, 192000 Hz (Studio Quality)” is selected (Windows 7).
It is recommended that “2 channel, 32 bit, 192000 Hz (Studio Quality)” is selected (Windows 8/Windows 8.1/Windows 10).
Check that audio from this unit is output from the PC.
The dedicated driver must be installed in the PC before this unit is connected to a PC. Operation will not occur correctly if connected to the PC before the dedicated driver has been installed.
Player software supporting the Audio Stream Input Output (ASIO) driver is required to play files with a sampling frequency of 352.8 kHz/384 kHz without downsampling. Check your player software before playing files with the ASIO driver.
Operation may fail in some PC hardware and software configurations.
Please see the FAQ at www.marantz.com if you experience any issues getting audio to play from your computer through the this unit. You may also want to check the support pages for your audio player application.
![D&m holdings driver download win 7 D&m holdings driver download win 7](https://www.helpowl.com/manualimages/d/c/marantz-rc9001-dv9600-2way-serial-control-module-14587c3_1_208e.png)
D&d Beyond
If a different device is checked, select and “Secondary click” on “HD-AMP1”, and then select “Use this device for sound output”.
It is normally recommended to set the format to “384000.0 Hz” and “2ch-32 bit Interger”.
Install the desired player software on your computer beforehand.
Use the rear panel USB-DAC port to connect this unit to a computer. link
The digital audio signal that is being input is shown as follows in the display.
(xxxx is the sampling frequency.)
If the sampling frequency cannot be detected, “Unlocked” will be displayed.
“Unsupported” is displayed when audio signals that are not supported by this unit are input.
D Jd F
Perform operations such as playback and pause on the computer. At this time, you cannot perform operations with buttons on this unit or the remote control.
When this unit is functioning as a D/A converter, sound is not output from the computer’s speakers.
If the computer is disconnected from this unit while the computer music playback software is running, the playback software may freeze. Always exit the playback software before disconnecting the computer.
D. B. Woodside
When an error occurs on the computer, disconnect the USB cable and restart the computer.
The sampling frequency of the music playback software and sampling frequency displayed on this unit may differ.
Use a cable that is 10 ft (3 m) or less to connect to the computer.
![](https://cdn-ak.f.st-hatena.com/images/fotolife/r/ruriatunifoefec/20200910/20200910011354.png)