Rogers PA 1A Phono Preamplifier

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.

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