Rothwell Audio Signature Two Moving Coil Phono Preamplifier
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Product Overview & Specifications
A proprietory discrete transistor regulator provides extremely clean power to this first stage to allow the circuit to perform at its best regardless of the quality of the mains electricty supply. The second stage precedes the highly accurate passive RIAA network comprised of low-distortion polypropylene capacitors and audiophile MELF resistors. The third stage is another gain stage before the final stage buffers the output for a low output impedance.
The on-board power supply is a linear design employing a torroidal transformer, generous-sized capacitors and another proprietory discrete transistor voltage regulator with very low noise. The supply to the all-important first audio stage is further regulated to provide the it with the correct voltage with extremely low noise and ripple - lower than possible with the common off-the-shelf monolithic alternatives. Each stage also has its own local decapitors with carefully routed earth tracks to eliminate ground current interactions with audio grounds resulting in a gloriously clean performance which reveals all the recorded detail with breath-taking realism.
As with all Rothwell products the Signature Two is designed and built entirely in the UK.
Technical Specifications:
- Gain: 52dB - 72dB
- Input Impedance: 32 ohms - 1100 ohms
- Output Impedance: 75R
- Sensitivity for 500mV: 0.13mV - 1.3mV
- Headroom: >20dB
- Signal/Noise: >87dB
- Power Supply: internal, linear regulated 24 volts DC
- Mains Voltage: 120VAC/235VAC
- Power Consumption: 2W
- Dimensions: 430 x 250 x 74 mm
- Weight: 4kg
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Rothwell Audio Signature Two Moving Coil Phono Preamplifier
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