Classe Delta Pre Preamplifier with DAC
Classe Delta Pre Preamplifier with DAC The Delta PRE is the foundation of your perfect system. Designed to connect to a range of sources, the PRE will exact the highest performance from every recording, whether analog or digital. Delta PRE will deliver perfectly balanced audio to downstream Delta components. FIDELITYDelta PRE is the foundation of your perfect system.Designed to connect to a range of sources, Delta PRE will extract the highest performance from every recording, whether analog or digital.Pre-amplifiers provide clean and controlled signals to the power stage. Both precision and perfection are required, and are delivered by Delta PRE. Network, USB, AES/EBU, coax and optical inputs with optional HDMI XLR and RCA inputs Short signal paths to minimise signal interference Custom-made Navcom feet absorb and reduce vibrations High-performance onboard MC/MM Phono stage supports up to two phono inputs Rhodium-plated connectors for excellent and secure contacts CONTROLAudiophiles, recording professionals and equipment reviewers trust Class amplifiers as a source of sonic truth. Delta Series allows listeners to experience that truth in their own homes.Every detail of 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. 0.25dB volume step precision to find your perfect sound level Digital domain tone control with Delta PRE Tilt control Support for mono or stereo subwoofers for better control of bass Selectable frequency and slope control Advanced five-band digital domain parametric equalization Digital bypass mode available to all analog sources Pass thru modeDESIGNAs the component you re most likely to touch, the design of Delta PRE matches its exceptional acoustic performance.Any interacting with Delta PRE is pure pleasure, from the superb cool-to-the-touch materials, to the precise tactile feedback of the volume control.Touchscreen control reflects Delta PRE s outstanding capability : pure analog clarity, advanced digital precision, confident, capable power and expressive sound. Harmony between minimal design and unrivalled performance Luxurious anodized aluminum body Adjustable brightness, responsive touchscreen display Perfectly complements other components in the Delta family Specs OVERALL DIMENSIONSWidth 17.50 in (444 mm)Depth(including connectors) 17.68 in (449 mm)Height(including feet) 4.78 in (121 mm)WEIGHTGross Weight 41.2 lbs (18.7kg)Net Weight 29.8 lbs (13.5kg)GENERALGain Range -93dB to +14dBChannel Matching 0.05dBInput Impedance (at 1kHz, BAL / SE) 50k Output Impedance BAL / SE 200 / 50 Maximum Output Level BAL / SE 18Vrms / 9VrmsBYPASS MODE(Analog inputs, Tone / EQ / Subwoofers disabled)Frequency Response(-3dB, 50 source impedance) 1Hz 2MHzHarmonic Distortion(measurement bandwidth: 90kHz) <0.0004% at 1kHz <0.0005% at 10kHz <0.0006% at 20kHzIntermodulation Distortion(measurement bandwidth: 90kHz) <0.001%Maximum Input Level BAL / SE(at 0dB gain) 9Vrms (+21.3dBu) / 4.5Vrms (+15.3dBu)Signal-to-Noise Ratio (A wtd)(22kHz BW, ref 9Vrms) 130dB (133dBA)Crosstalk(one channel undriven) (BAL / SE) -143dB (100Hz), -140dB (1kHz), -124dB (10kHz)PHONO SECTION(0dB gain, Bypass Mode, XLR2 in, Main XLR out)RIAA Deviation (20Hz-20kHz) < 0.2dBSelectable Load for MM Type (47k II) 50pF, 100pF, 150pF, 200pF, 250pF, 300pF, 350pF, 400pF, 450pFSelectable Load for MC Low Output 7.5 , 10 , 33 , 50 , 82 , 100 , 330 , 1k Load for MC High Output 47k MM, MC High OutputGain (1kHz, 20 source impedance) 41.5dBSNR (22kHz BW, ref 5mVrms in) 86dB (93dB A-wtd)Max Input Level(overload ref 5mVrms) 11dB (20Hz), 23dB (1kHz), 34dB (10kHz)MC LOW OUTPUTGain (1kHz, 20 source impedance,1k load) 60dBSNR (20Hz-20kHz) 68dB (74dB A-wtd)Max Input Level(overload ref 0.5mVrms, 1k load) 12dB (20Hz), 31dB (1kHz), 52dB (10kHz)Power(nominal input, 0dB gain, 32 load) 540mWOutput Impedance 6.8 FILE FORMATSAND SAMPLE RATES SUPPORTEDUSB-F 44.1k, 48k, 88.2k, 96k (iOS specific)USB-B 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k, 352.8k, 384k DSD64, DSD128, DSD256 (native requires Thesycon/Classe driver for Windows) DSD64, (DoP)Ethernet WAV, AIFF, ALAC, FLAC, WMA, AAC, MP3, OGG_VORBIS (max 192k/24b) DSD64, (DoP)SPDIF(opt, coax, AES / EBU) PCM 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k / DSD64INPUT / OUTPUT COMPLEMENTANALOG INBAL / XLR 2 pairs (XLR2 can be assigned as BAL phono in)SE / RCA 2 pairsPhono RCA 1 pairDIGITAL INHDMI 4* (HDMI 2.0b w/HDCP 2.2)USB-F 1USB-B 1SPDIF Coaxial 3SPDIF Optical 3SPDIF AES / EBU 1Ethernet 1OUTPUTSHDMI 1* (HDMI 2.0b w/HDCP 2.2)BAL / XLR 5 (configurable: 2pairs+1sub, 1pair+1sub pair, )SE / RCA 5 (configurable: 2pairs+1sub, 1pair+1sub pair, )AUTOMATIONDC Triggers In / Out 2 setsCAN Bus 1 set in / outRS-232 over RJ-45 1