More Offers ⨯
IN THE BOX | |
---|---|
Sales Package | Delta Pre Preamplifier and User Documentation |
General | |
---|---|
Brand | Classe-Audio |
Model | Delta Pre |
Color | black |
Specifications | |
---|---|
GENERAL | Gain Range: -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 |
BYPASS MODE (ANALOG INPUTS, TONE / EQ / SUBWOOFERS DISABLED) | Frequency Response (-3dB, 50Ω source impedance): 1Hz – 2MHz Harmonic Distortion (measurement bandwidth: 90kHz): <0.0004% at 1kHz <0.0005% at 10kHz <0.0006% at 20kHz Intermodulation 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): < 0.2dB 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 (20Hz-20kHz): 68dB (74dB A-wtd) Max Input Level (overload ref 0.5mVrms, 1kΩ load): 12dB (20Hz), 31dB (1kHz), 52dB (10kHz) Power (nominal input, 0dB gain, 32Ω load): 540mW Output Impedance: 6.8Ω |
FILE FORMATS AND SAMPLE RATES SUPPORTED | USB-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 / DSD64 |
INPUT / OUTPUT COMPLEMENT ANALOG IN | BAL / XLR: 2 pairs (XLR2 can be assigned as BAL phono in) SE / RCA: 2 pairs Phono RCA: 1 pair |
OUTPUTS | HDMI *(optional): 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,…) |
AUTOMATION | DC Triggers In / Out: 2 sets CAN Bus: 1 set in / out RS-232 over RJ-45: 1 |
Dimension | |
---|---|
Width | 17.50 in (444 mm) |
Depth (including connectors) | 17.68 in (449 mm) |
Height (including feet) | 4.78 in (121 mm) |
Gross Weight | 41.2 lbs (18.7 kg) |
Net Weight | 29.8 lbs (13.5 kg) |
Warranty | |
---|---|
Warranty Type | Manufacturers |
Warranty Period | 1 Year |