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Rogers PA 1A Phono Preamplifier

phono-pre-amp_20140410

Description:

Analog performance to ultimate perfection has always been the standard at Rogers High Fidelity. Our newest performer, the PA-1A Phono Preamplifier follows our heritage in every detail. You have not heard your record collection until you have heard it being played through the Rogers High Fidelity PA-1A Phono Preamplifier. It’s dual-mono, Class-A, all-tube design has an industry leading signal-to-noise ratio and represents an all out assault on the state-of-the-art. Unless you are listening to your vinyl collection through our high performance, vacuum-tube preamp, you are missing out on half of the tonal qualities that you love about analog reproduction.

 

phono-pre-amp_20140410

 

Features:

  • Selectable inputs for either moving magnet or moving coil cartridge designs
  • Front panel controls allow the user to set resistive and capacitive loading to match our custom transformer input
  • Illuminated front panel voltage meters allow for quick diagnosis and resolution of cartridge imbalances
  • Innovative soft-start and auto-bias circuitry ensuring long tube life
  • Mute switch on front panel allows for easy tone arm adjustments without the need of reducing your amplifier volume or putting your system in stand-by.
 

Specifications:

  • Frequency Response: +/- 0.1 dB deviation from the RIAA curve, 10 Hz to 20 kHz
  • Gain: 50 dB- 65 dB selectable thru input tube selection,both 12AU7 and 12AX7 supplied
  • Input Impedance: Moving Magnet- 47 K ohm, Moving Coil-transformer input with front panel selectable cartridge loading. 100 ohm – 1 Meg ohm, 100 pF- 500 pF
  • Input Jacks- unbalanced RCA
  • Output Impedance: 1 K ohm- 1 Meg ohm
  • Output Jacks- unbalanced RCA
  • Noise Floor: 0.1 microvolt, input referenced, A-weightedand un-shorted
  • Signal to Noise Ratio: 95 dB at 20 mV input
  • Channel Isolation: 75 dB minimum
  • Tube Compliment: 2- 12AU7 or 12AX7(user selectable,both supplied), 2- 12AX7, 2-6GH8
  • Front Panel Controls: MC cartridge loading, MM or MC mode select, Mute switch

Source rogershighfidelity

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