Classe Audio
Classe Audio Delta Pre Preamplifier
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₹995,999.00
₹999,999.00
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Product Description
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Features a network, USB, AES/EBU, coax and optical inputs with optional HDMI and XLR and RCA inputs.
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Short signal paths to minimise signal interference
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Custom-made Navcom feet absorb and reduce vibrations.
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Product Description
- Features a network, USB, AES/EBU, coax and optical inputs with optional HDMI and XLR and RCA inputs.
- Short signal paths to minimise signal interference
- Custom-made Navcom feet absorb and reduce vibrations.
- Comes with a high-performance onboard MC/MM Phono stage supports up to two phono inputs.
- Features a 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.
| IN THE BOX | |
|---|---|
| Sales Package | Delta Pre Preamplifier and User Documentation |
| General | |
|---|---|
| Brand | Classe-Audio |
| Model | Delta Pre |
| Color | black |
| Specifications | |
|---|---|
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GENERAL
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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
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BYPASS MODE (ANALOG INPUTS, TONE / EQ / SUBWOOFERS DISABLED)
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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)
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PHONO SECTION
(0DB GAIN, BYPASS MODE, XLR2 IN, MAIN XLR OUT)
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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
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MM, MC – HIGH OUTPUT
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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)
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MC - LOW OUTPUT
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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
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FILE FORMATS AND SAMPLE RATES SUPPORTED
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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
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INPUT / OUTPUT COMPLEMENT
ANALOG IN
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BAL / XLR: 2 pairs (XLR2 can be assigned as BAL phono in)
SE / RCA: 2 pairs
Phono RCA: 1 pair
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OUTPUTS
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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,…)
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AUTOMATION
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DC Triggers In / Out: 2 sets
CAN Bus: 1 set in / out
RS-232 over RJ-45: 1
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| Dimension | |
|---|---|
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Width
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17.50 in (444 mm) |
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Depth
(including connectors)
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17.68 in (449 mm) |
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Height
(including feet)
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4.78 in (121 mm) |
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Gross Weight
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41.2 lbs (18.7 kg) |
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Net Weight
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29.8 lbs (13.5 kg) |
| Warranty | |
|---|---|
| Warranty Type | Manufacturers |
| Warranty Period | 1 Year |
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