OAD Ultrafidelity
OAD Ultrafidelity UP1 Phono Stage
OAD Ultrafidelity UP1 Phono Stage
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After a long period of development, testing and listening, OAD Ultrafidelity are proud to present their UP1 ultra high quality stand alone phono stage.
The UP1, is a direct coupled low noise amplification design, capable of faithfully reproducing vinyl recordings in a way that has never before been available at this price point.
The minimal yet elegant design measuring 210mm wide by 95mm high by 183mm deep the UP1 sports an anodised fully CNC machined chassis that weighs 2.3kg with a separate power supply. Both the Phono chassis and PSU are fitted with anti-vibration feet.
Completely seperate circuit boards are implemented for left and right audio channels, with a shared ultra-low noise regulated power supply that comprises 30,000uF of capacitance.
The UP1 is equipped with one set of RCA input jacks and two pairs of output jacks. Both single ended and balanced outputs are catered for. Each channel has two banks of DIP switches. One bank provides for: a large selection of input impedance values from 22 to 47k Ohms; additional capacitance; and Moving Magnet/Moving Coil selection. The second bank of switches sets the overall gain for your cartridge from 40db to 80dB. There is no cartridge that the UP1 will not be compatible with.
Reviews: Stereonet
Features
Features
- Ultra-low noise MC/MM circuitry
- World's greatest gain range 40 to 80dB due to ultra-low noise design
- Extremely accurate RIAA equalisation
- All conventional MI, MMI and high and low output MC cartridges catered for
- Fully user adjustable, no additional components or soldering required
- Fully electrically isolated from incoming power supply
- High current line drivers for driving long interconnects and/or difficult loads
- Comprehensive loading options including capacitor loading for MM
Specifications
Specifications
- Input: RCA
- Output: 1 pair Unbalanced RCA (single ended), 1 pair Balanced XLR
- Input impedance: 22 Ohm – 47 kOhm (selectable in 8 steps)
- Input capacitance (without additional switched capacitance): 100 pF
- Input sensitivity: 200uV – 20 mV
- Gain: 40 – 80 dB (2 VRMS output at 1 kHz)
- THD: 0.005 % (1 kHz)
- MM cartridge: >107 dB A-weighted, input shorted
- MC cartridge: > 85 dB A-weighted, input shorted
- RIAA linearity: +/- 0.2 dB (20 Hz – 20 kHz)
- Output impedance: 50 ohm
- Nominal output: 2 VRMS
- Maximum output: 10.5 VRMS
- Power consumption: 5 W
- Dimensions: Preamplifier W 210 x D 183 x H 95 mm, 2.3 kg. Power Supply: W 114 x D 130 x H 63 mm, 1.25 kg
- Mains Fuse: 500mA slow blow
- Shipping Weight: 5kg
What's in the box
What's in the box
OAD UP1 phono stage
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