Classe Delta Pre Mk II Pre-amplifier
Details
The Foundation Of Your Perfect System
The Delta PRE Mk II is the foundation of your perfect system. Designed to connect to a range of sources, the PRE Mk II will exact the highest performance from every recording, whether analogue or digital.
Precision And Perfections
Pre-amplifiers provide clean and controlled signals to the power stage. Both precision and perfection are required, and are delivered by Delta PRE Mk II.
Connectivity
The list of connectivity is extensive - Network, USB, AES/EBU, coax, optical, RCA and XLR inputs.
HEOS Built-in
With HEOS Built-in, the Delta Pre Mk II can stream music wirelessly across compatible HEOS components from a variety of free and premium streaming services. Enthusiasts can also enjoy their favourite music in any room of the home wirelessly. Play the same song in every room or select a different song for each connected room via a variety of streaming sources. Add other HEOS Built-In brands such as Denon and Marantz and your whole-home audio system will have never sounded so good.
Signal Paths
Short signal paths have been thoughtfully designed to minimise signal interference.
Navcom Feet
Custom-made Navcom feet absorb and reduce vibrations to ensure the amplifier performs to its very best.
Phono Stage
The high performance onboard MC/MM Phono stage supports up to two phono inputs for turntable enthusiasts.
Quality Connectors
Rhodium-plated connectors feature to ensure both excellent and secure contacts.
AirPlay 2
Use AirPlay 2 to stream music (including Apple Music) wireless to the pre-amplifier, or group with other AirPlay 2 compatible speakers to fill your home with music.
Streaming Sources
Spotify Connect, Tidal (including Hi Res), Deezer, Amazon Music HD, TuneIn, iHeartRadio, Soundcloud.
Control
Every detail for the Delta Series is perfected by hand in our unique production facility in Japan to deliver powerful, natural expansive sound with minimal noise or distortion.
Precise Control
0.25dB volume step precision to find your perfect sound level. Plus digital domain tone control with Delta PRE Tilt control.
Better Bass
Support for mono or stereo subwoofers for better control of bass.
Equalization
An advanced 5-band digital domain parametric equalizer is built-in to ensure you can tweak your sound to match your room.
Digital Bypass
The Classé Delta PRE Mk II have a digital bypass mode that is available to all analogue sources.
Design
As the component you're most likely to touch, the design of Delta PRE Mk II matches its exceptional acoustic performance. From superb cool-to-the-touch materials, to the precise tactile feedback of the volume control. Plus the touchscreen control reflects its outstanding capability: pure analogue clarity, advanced digital precision, confident capable power and expressive sound.
Adjustable
The responsive touchscreen display offers adjustable brightness to match your rooms light level and ensure the Delta PRE Mk II sits comfortably in your space.
Specifications
| Amplification | |
|---|---|
| Type | Pre-amplifier with Network Connectivty via HEOS Built-In |
| General | |
| Gain Range | Negative 93dB to +14dB |
| Channel Matching | 0.05dB |
| Input Impedance (at 1kHz, BAL / SE) | 50kΩ |
| Output Impedance BAL / SE | 200Ω / 50Ω |
| Maximum Output Level BAL / SE | 18Vrms / 9Vrms |
| Phono Section (0dB Gain, Bypass Mode, XLR2 In + Main XLR Out) | |
| RIAA Deviation (20Hz-20kHz) | < 0.2dB |
| Selectable Load for MM Type (47k II) | 50pF, 100pF, 150pF, 200pF, 250pF, 300pF, 350pF, 400pF, 450pF |
| Selectable Load for MC - Low Output | 7.5Ω, 10Ω, 33Ω, 50Ω, 82Ω, 100Ω, 330Ω, 1kΩ |
| Load for MC - High Output | 47kΩ |
| MM, MC - High Output | |
| Gain (1kHz, 20Ω source impedance) | 41.5dB |
| SNR (22kHz BW, ref 5mVrms in) | 86dB (93dB A-wtd) |
| Max Input Level (overload ref 5mVrms) | 11db (20Hz), 23dB (1kHz), 34dB (10kHz) |
| MC - Low Output | |
| Gain (1kHz, 20Ω source impedance, 1kΩ load) | 60dB |
| SNR (20Jz-20kHz) | 68dB (74dB A-wtd) |
| Max Input Level (overload ref 5mVrms, 1kΩ load) | 12dB (20Hz), 31dB (1kHz), 52dB (10kHz) |
| Headphone Output | |
| Power | 540mW: (nominal input. 0dB gain, 32Ω load) |
| Output Impedance | 6.8Ω |
| Digital Inputs | |
| USB-B | 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k, 352.8k, 384k. DSD64, DSD128, DSD256 (requires Windows driver), DSD64, DSD128 (DoP) |
| SPDIF (Optical, Coax, AES/EBU) | PCM 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k / DSD64 over SPDIF |
| Input / Output Analogue | |
| XLR | BAL / XLR (2 x pairs, XLR2 can be assigned as BAL phono in) |
| SE / RCA | 2 x Pairs |
| Phone RCA | 1 Pair |
| Outputs | |
| BAL / XLR | 5 (configurable: 2 pairs + 1 sub, 1 pair + 1 sub pair…) |
| SE / RCA | 5 (configurable: 2 pairs + 1 sub, 1 pair + 1 sub pair…) |
| Automation | |
| DC Triggers In / Out | 2 sets |
| CAN Bus | 1 set in / out |
| RS-232 over RJ-45 | 1 |
| Network | |
| App Control | HEOS (iOS or Android) |
| Network Connection | Ethernet |
| Network Audio Codecs | WMA, MP3, WAV up to 192/24, FLAC up to 192/24, AIFF up to 192/24, ALAC up to 96/24, DSF up to 11.2 |
| Streaming Services | Spotify Connect / Tidal Connect / Amazon Music HD / Deezer / Soundcloud |
| Net Radio | iHeartRadio / TuneIn |
| AirPlay 2 | Yes |
| Multi-room Streaming | Yes (64 rooms via HEOS) |
| Dimensions (W/H/D) | |
| Including Connectors | 444 / 120/ 448mm |
| Weight | |
| Kilograms | 13.5 |
| Power Consumption | |
| Standby | 0.2W |
| Wake on LAN | 3.1W |
| Nominal | 35W |
| Max. Power | 55W |
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