Classe Audio Delta PRE MkII Owner's Manual
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Classe Audio Delta PRE MkII Owner's Manual

Classe Audio Delta PRE MkII Owner's Manual

Stereo preamp/processor
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Owner's Manual
Delta PRE MkII
Stereo Preamp/Processor

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  • Page 1 Owner’s Manual Delta PRE MkII Stereo Preamp/Processor...

  • Page 2: Table Of Contents

    HEOS provides streaming music from your favorite online music sources ... 7 extraordinary longevity ................7 Unpacking and Placement ................8 unpacking your Delta PRE MkII ..............8 Delta PRE MkII placementconsiderations ..........8 warm-up/break-in period ................9 operating voltage ..................9 Front Panel .....................
  • Page 3 Display Setup ..................35 Brightness ................... 35 Timeout ....................35 Network Setup ..................36 EQ Setup ....................36 Tone Control Setup .................. 37 DC Triggers ....................38 Headphones X-Feed ................38 Digital Filter Setup ................... 38 Settings Import/Export ................38 HEOS Functions ..................
  • Page 4 Playback ......................51 AirPlay function ..................... 54 Playing songs from your iPhone, iPod touch, iPad or Mac ....... 54 Playing songs from Windows PC ............. 55 Play a song from your iPhone, iPod touch or iPad on multiple synced devices (AirPlay 2) ................... 55 Spotify Connect function ................

  • Page 5: Welcome To The Classé Family

    Warranty Card that comes with your unit a word about installation Every effort has been made to make the Classé Delta PRE MkII simple and straightforward to install and use. The size and shape of your room, its acoustics, and the associated equipment you have chosen to use with your amplifier all influence the performance of your system.

  • Page 6: Exceptional Design Features

    Exceptional Design Features The Delta PRE MkII is a stereo preamp/processor, designed for music lovers who demand the ultimate in sonic performance from their audio system. Its connectivity and processing power accommodate the ever increasing array of music sources, allowing them to be accessed and enjoyed without compromise.

  • Page 7: Heos Provides Streaming Music From Your Favorite Online Music Sources

    HEOS provides HEOS wireless multi-room sound system that enables you to enjoy your favorite streaming music from music anywhere and everywhere around your home. your favorite online music sources By utilizing your existing home network and the HEOS App (available for iOS, Android and Amazon devices), you can explore, browse, and play music from your own music library or from many online streaming music services.

  • Page 8: Unpacking And Placement

    Also keep the unit out of direct sunlight. • Place the Delta PRE MkII so that the IR window on the front panel is clearly visible and not blocked. • Position the Delta PRE MkII in a central and convenient location for both visibility and use.

  • Page 9: Warm-Up/Break-In Period

    After initial break-in, you’ll enjoy consistent performance levels for years to come. operating voltage The operating voltage of your Delta PRE MkII is specified on the rear panel label that also includes its serial number. . Important! Attempting to operate your Delta PRE MkII from an incorrect AC voltage source may cause irreparable damage which may not be covered by your warranty.

  • Page 10: Front Panel

    • LED On (Red) – the Delta PRE MkII is in Standby mode. • LED turns green, then white – the Delta PRE MkII is in the process of power-up initialization. • LED On (white), indicates the unit is in the operate mode.
  • Page 11 The location of the IR (infrared) receiver for the remote control is behind this window. In most cases, there must be a clear path between the IR window and the remote control in order for the Delta PRE MkII to acknowledge the remote control commands.
  • Page 12 The volume control expresses the degree of attenuation or amplification being applied to the incoming signal. Therefore, a setting of -23.00 indicates that the signal is being attenuated by 23.00 dB. Most stepped attenuators offer too few steps, causing the listener to choose a level that is a bit too soft or too loud, not just right.

  • Page 13: Rear Panel

    Rear Panel The rear panel of the Delta PRE MkII is shown above. The numbers in the drawing refer to the descriptions in this section. serial number You’ll find your Delta PRE MkII serial number on the rear panel, next to the AC Inlet.
  • Page 14 TOSlink™ connections to a maximum rate of 96 kHz. Analog Audio Inputs - Single-Ended The Delta PRE MkII supports 2pr of RCA type connectors for single- ended line-level analog sources. They are labeled R3/L3 and R4/L4. Analog Audio Inputs - Balanced The Delta PRE MkII supports 2pr of XLR type connectors for balanced analog sources.
  • Page 15 Delta PRE MkII is installed in a cabinet. Attach this input to an infrared repeater system to route signals from the remote control to the Delta PRE MkII via a mono mini-jack (3.5mm phono).
  • Page 16 PRE MkII via your home Network. 14 Phono Input The Delta PRE MkII supports 1pr of RCA type connectors labeled Phono R/L dedicated to a phono input and supporting high output MM and both high and low output MC type phono cartridges. For instructions on setting gain and loading for MM/MC type phono cartridges, see the section on Phono Setup.
  • Page 17 15 Main Power On/Off Switch This switch connects and disconnects the Delta PRE MkII from AC. 16 AC Power Cord Input (AC IN) The detachable three-conductor AC power cord and the socket into which it connects conform to rigorous standards developed by the IEC (International Electrotechnical Commission).

  • Page 18: The Remote Control

    Preamp/Processor itself and several aspects of the rest of a Classé-based system. The buttons are arranged in logical groups according to their functions. The remote control of the Delta PRE MkII is shown on the left. The numbers in the drawing refer to the descriptions that follow.
  • Page 19 Note: You may also remotely control the Delta PRE MkII by connecting it to a Network and using the HEOS App, available free of charge for iOS, Android and Amazon devices.

  • Page 20: Initial Setup

    However, if you can’t wait to get started, this section is designed to assist you in setting up and becoming familiar with the Delta PRE MkII hardware. Once the initial setup is complete, be sure to read the rest of this manual to familiarize yourself with the daily operation and customizable features of your Delta PRE MkII.
  • Page 21 Connect the Main L&R Outputs, either RCA or XLR, from the rear panel of the Delta PRE MkII to the corresponding inputs on your amplifier(s). • If you are using a subwoofer, connect the Delta PRE MkII subwoofer output to the input of the designated amplifier or powered subwoofer.
  • Page 22 Step 6 Power up the system! Now you are ready to power up your Delta PRE MkII and your audio system. • Turn the rear panel power switch of the Delta PRE MkII to ON. The Standby LED will turn red.

  • Page 23: Using The Delta Pre Mkii

    This section of the owner’s manual outlines the use of the touchscreen in routine operation of the system. When you bring the Delta PRE MkII out of Standby mode, the touchscreen displays the Home page of the menu system, as shown below.

  • Page 24: Source Selection

    See the section on source setup in the Menu System. The Delta PRE MkII has up to 18 selectable source buttons which are all interchangeable: Any source may be assigned to any button location and associated with any connector.

  • Page 25: The Menu System

    The Delta PRE MkII stores settings in non- volatile memory whenever the unit is put into standby, so it’s a good practice to put the unit into standby after making changes.

  • Page 26: Source Setup

    • Restore Defaults, Archive Settings, Restore Settings, etc. Source Setup Each of the 18 source buttons supported by your Delta PRE MkII can be customized in several ways to enhance system performance and/or to simplify operation. The source select page is dynamic in that it shows up to nine sources on a single page.

  • Page 27: Enable Source

    Enable Source This check box activates/deactivates the source button. If the Enable Source box is checked, then the source is enabled. If the Enable Source box is NOT checked, then the source is considered not enabled and is so identified on the Source Selection page.

  • Page 28: Output Config

    Pass-Thru is designed to avoid. Phono Setup The Delta PRE MkII supports up to two phono inputs, one through the RCA R/L connectors and a second through the XLR R2/L2 connectors. Each may...
  • Page 29 Go to System Setup, Phono Setup and choose the phono input you want to configure, first. Select the cartridge type and the loading option that most closely matches the cartridge manufacturer's recommendation. A final selection should be made by listening to adjacent values to determine the best overall load in your system.

  • Page 30: Remote Fkeys

    This can sometimes be useful. As an example, F1 could set the Delta PRE MkII to the CD Player input, and also set the CD player to Play, both from the press of a single Fkey.

  • Page 31: Volume Setup

    Delta PRE MkII can provide. This setting is interactive. It is easiest to play the system at increasing levels until you reach the volume which you want to use as the maximum for the system.

  • Page 32: Startup Volume

    Touching the Startup Volume button allows you to set up a preferred volume level for when the Delta PRE MkII wakes out of standby. When the power is turned on, the unit starts with the volume level that was set before being placed on standby.

  • Page 33: Bypass

    Bypass Bypass (also known as Digital Bypass) is resersed for the 6th output configuration. It is an Output Configuration which is only available for sources associated with analog input connectors. Choosing Digital Bypass will switch off and bypass all digital signal processing circuitry and leave the signal entirely in the analog domain.

  • Page 34: Bass Management

    Auxiliary Channels The Delta PRE MkII has two auxiliary channels that can be utilized for bi- amping the L&R speakers. Alternatively, Aux 2 may be used in conjunction with the Sub output to provide a second mono subwoofer or stereo subwoofer configuration.

  • Page 35: Display Setup

    After three seconds of inactivity on your part, the backlight extinguishes itself, essentially turning off the touchscreen. If you prefer the display of the Delta PRE MkII to remain on whenever not in Standby mode, select the Never timeout option. The lamp in the touchscreen display is designed for harsh automotive environments and will give you many years of reliable operation.

  • Page 36: Network Setup

    Network status. Pressing the Restore Network Defaults button on this page re-enables DHCP mode. In DHCP mode the Delta PRE MkII obtains an IP address from a device on the Network (usually the Wireless AP). The Delta PRE MkII includes a built-in web interface that can be used to configure the system name, Network settings or update the Delta PRE MkII software.

  • Page 37: Tone Control Setup

    You do not need to have all or even any filters enabled for every channel. The installer need only make the adjustments to the channels necessary to correct for the room’s interaction. We encourage you to consult with your authorized Classé dealer to properly calibrate the Parametric EQ function.

  • Page 38: Dc Triggers

    DC Triggers The Delta PRE MkII has two available trigger controls. Each may be programmed using normal 12 V or “inverse logic” (0 V) settings. The ability to change the way the trigger operates can solve installation-specific problems that otherwise require external devices that add to both the cost and complexity of your system.

  • Page 39: Advanced Settings

    Standby feature to be disabled.* If you want this feature to be enabled, toggle the checkbox as checked and select the preferred time limit. Note: The methods used to detect small signals in the Delta PRE MkII are designed to avoid any possibility of degrading sound quality and as such, they do an imperfect job of recognizing when small or low volume signals are present.

  • Page 40: Balance

    To compensate for this, play a simple vocal recording and put the Delta PRE MkII in Mono (press Menu, then Mono). Open the Balance control page and using the remote, adjust the balance until the sound image is perfectly centered.

  • Page 41: Mono

    Delta PRE MkII. While on this page, pressing the more button will access the CAN-Bus features for connected Classé...

  • Page 42: Can-Bus

    CAN-Bus CAN-Bus Classé’s Controller Area Network, or CAN-Bus, allows communication and control between similarly featured Classé components. When the Delta PRE MkII is connected with other CAN-Bus-equipped Classé components, the different elements in the system are in constant communication, creating a “global”...

  • Page 43: Amp Features

    Selecting a unit on the CAN-Bus devices screen identifies it as the target unit. The front panel LED(s) or meter light of the target unit will start flashing (unless you choose the unit that you are using to access CAN-Bus). Once you have chosen the target unit, the touch screen will list the CAN-Bus features available to it.

  • Page 44: Global Dim

    Global Dim By setting all your components to Global Dim (referred to as Global Brightness in earlier models), you can adjust the touchscreen and LED brightness for your entire system by changing the brightness of a single touchscreen. All CAN-Bus software updates automatically set the updated unit to Global Dim.

  • Page 45: Network Sources

    Network Sources Network sources are those which stream audio to the Delta PRE MkII using its rear panel Ethernet connection. The Delta PRE MkII is equipped with a hard-wired Ethernet connection because it provides a more reliable and higher speed connection than is typically available over WiFi. If it is not possible or practical to run a direct Ethernet connection from your router to the Delta PRE MkII, various solutions are available.

  • Page 46: Heos Function

    HEOS function Getting the HEOS App You can use many online music streaming services from the HEOS App. Depending upon your geographical location, there are several options to choose from. Download the HEOS App for iOS or Android by searching App Store, Google Play store or Amazon Appstore for “HEOS”.

  • Page 47: Heos Account

    Edit Selecting a room/device Tap the “Rooms” tab. Select “Classé Rooms Delta PRE MkII” if there are multiple Drag one room into another to group them HEOS devices. Living Room Song Name 1 Tap the “Home”...

  • Page 48: Selecting The Music Track Or Station From Music Sources

    Home Selecting the music track Tap the “Home” tab and select a music or station from music source. Recent HEOS Favorite Stations New Music sources Music Services Edit All music services displayed may not be available in your location. Browse the music to play. After selecting a music track or radio station the app will automatically change to the “Now Sources...

  • Page 49: Ungrouping Rooms

    Ungrouping rooms Press and hold your finger on room that you want to remove from the group. Drag it out of the group and lift your finger. You can not remove the first room that started playing the music before grouping. Edit Edit Rooms...

  • Page 50: Ungrouping All Rooms

    Ungrouping all rooms You can easily ungroup all of your rooms and exit Party Mode by using a “spread” gesture. Place two fingers close together on the screen over list of rooms. Quickly spread your two fingers apart from each other and release.

  • Page 51: Playback

    Playback Listening to Internet Perform this operation on the HEOS App. Download the HEOS App in Radio advance to your iOS or Android device. The HEOS system includes access to more than 100,000 free internet radio streams from all corners of the globe via the TuneIn radio service. Just select the TuneIn logo from the main “Music”...
  • Page 52 Playing back files stored Perform this operation on the HEOS App. Download the HEOS App in on a PC or NAS advance to your iOS or Android device. Select “Music Servers” from the “Home” tab. Select the name of your networked PC or NAS (Network Attached Storage) server.
  • Page 53 It may take several minutes for the name of this unit to appear in the “USB Music” list if you have a large number of files on your USB flash drive. It is not possible to connect and use a computer via the front USB port of this unit using a USB cable.

  • Page 54: Airplay Function

    AirPlay function Music files stored on your iPhone, iPod touch, iPad, Mac or Windows PC can be played on this unit via the network. Input source will be switched to “HEOS” when AirPlay playback is started. You can stop AirPlay playback by choosing other input source. The screen may differ depending on the OS and software versions.

  • Page 55: Playing Songs From Windows Pc

    Playing songs from Install iTunes 10, or later, on a Windows PC that is Windows PC connected to the same network as this unit. Start iTunes and click the AirPlay icon to select this unit. [Example] iOS 15 or macOS 13 [Example] iOS 10 AirDrop: AirPlay...

  • Page 56: Spotify Connect Function

    Spotify Connect function Spotify is all the music you’ll ever need. Millions of songs available instantly. Just search for the music you love, or let Spotify play you something great. Spotify works on your phone, tablet, computer and home speakers. So you’ll always have the perfect soundtrack for whatever you’re doing.

  • Page 57: Troubleshooting

    ON position. PIf the Delta PRE MkII is properly plugged in and the power from the electrical outlet is at the proper level, try the following: Switch off the main power switch on the rear panel, and unplug the unit for at least thirty seconds.
  • Page 58 PCheck the interconnect cables between the source component and the Delta PRE MkII. The IR remote control does not seem to function. PEnsure that there are no obstacles between the IR remote and the IR sensor.

  • Page 59: Network/Streaming Troubleshooting

    MkII (cycle the power off and on) and then your router. If the problem persists verify that you have a valid IP address. If your address is “Limited Auto IP” then the Delta PRE MkII has auto assigned itself an address and this indicates that your DHCP IP address server is not working.

  • Page 60: Usb Flash Drives Cannot Be Played Back

    The Delta PRE MkII does not turn on automatically from standby when using AirPlay or HEOS app. PThis is likely caused by the Wake on Network feature being disabled. Enable the Wake on Network feature in advanced settings to allow this feature.

  • Page 61: Music Files On Pc Or Nas Cannot Be Played Back (Music Server)

    PSome radio stations broadcast silently during some time period. In this case, no audio is output. Wait for a while and select the same radio station, or select another radio station. PThe selected radio station is not in service. Select a radio station in service.

  • Page 62: Care & Maintenance

    Care & Maintenance To remove dust from the cabinet of your Delta PRE MkII, use a feather duster or a lint-free soft cloth. To remove dirt and fingerprints, we recommend using a microfibre cloth and an anti-static spray such as lens or display cleaner applied to the cloth, not directly onto the Delta PRE MkII.

  • Page 63: Specifications

    Specifications All specifications are accurate at the time of printing. Classé reserves the right to make improvements without notice. General „ Gain Range -93 dB to +14 dB „ Input impedance (at 1kHz, single-ended / balanced) 50 kΩ „ Output impedance (single-ended) 50 Ω...
  • Page 64 Continued Bypass Mode (When ‘Bypass’ is selected for any of the XLR/RCA inputs) „ Frequency response 1Hz - 2MHz (-3dB, 50Ω source impedance) „ Harmonic Distortion <0.0004% at 1kHz (measurement bandwidth: 90kHz) <0.0005% at 10kHz <0.0006% at 20kHz „ Intermodulation Distortion <0.0001% (measurement bandwidth: 90kHz) „...
  • Page 65 Continued Format „ USB Front 44.1k, 48k, 88.2k, 96k (iOS) Charging capability : 2.1A (max sample rate is iOS specific) (LPCM) 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k (DSD) DSD64, DSD128 (playing from a USB flash device) „ USB Back (LPCM) 32k, 44.1k, 48k, 88.2k, 96k (LPCM / DSD) (LPCM) 176.4k, 192k, 352.8k, 384k, 768k...
  • Page 66 Continued Dimensions / Weight „ Operating Temperature 10-35 °C (50-95 ° F) „ Overall dimensions Width: 445mm (17.5”) Depth (including connectors): 449mm (17.5”) Height: 121mm (4.75”) „ Net weight 13.5 kg (29.8 lbs) „ Shipping weight 17.8 kg (39.2 lbs) (Europe) 18.4 kg (40.5 lbs) For more information, see your Classé...
  • Page 67 Made for: „ iPhone 14 Pro Max „ iPhone 11 „ iPhone 14 Pro „ iPhone XS Max „ iPhone 14 Plus „ iPhone XS „ iPhone 14 „ iPhone XR „ iPhone SE (3rd generation) „ iPhone X „ iPhone 13 Pro Max „...

  • Page 68: Dimensions

    Dimensions 0.75" (20mm) 16.5" (419mm) 4" (102mm) 16" (406mm) 17.5" (445mm) 4.75" (121mm) 17.5" (449mm)

  • Page 69: Installation Worksheet

    Installation Worksheet Source:______________________________________________________________ Audio Connector: ____________________________________________________ Input: _____________________________________________________________ Source:______________________________________________________________ Audio Connector: ____________________________________________________ Input: _____________________________________________________________ Source:______________________________________________________________ Audio Connector: ____________________________________________________ Input: _____________________________________________________________ Source:______________________________________________________________ Audio Connector: ____________________________________________________ Input: _____________________________________________________________ Source:______________________________________________________________ Audio Connector: ____________________________________________________ Input: _____________________________________________________________ Source:______________________________________________________________ Audio Connector: ____________________________________________________ Input: _____________________________________________________________ Source:______________________________________________________________ Audio Connector: ____________________________________________________ Input: _____________________________________________________________...
  • Page 70 Classé offers International Service and Support for its Products. Please visit our Website to find up-to-date Contact Information. https://classeaudio.com 3520 10948 00AS © 2023 DEI Sales, Inc. All Rights Reserved. V 1.0 301123...

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