Ampapa A1 Vacuum Tube Phono Preamp, Headphone Amp, Hi-Fi Audiophile Preamplifier for MM Turntable Record Player with Tone Control for Home Stereo

Ampapa A1 Vacuum Tube Phono Preamp, Headphone Amp, Hi-Fi Audiophile Preamplifier for MM Turntable Record Player with Tone Control for Home Stereo

Phono Stage / Audio Pre-Amplifier / Headphone Amp: Ampapa A1, designed to amplify the low audio signal from your MM turntables, Phonograph, MP3, MP4, phone, tablet, PC, CD player, lossles music player etc. Phono Preamp is easier to drive amplifiers, active speakers and most headphones such as HD650 / K701 / DT770 / ATH-M50X / T1 / T90 / SR325 / RS1e etc. Retro Tube Sound & Tone Control: With classic JAN GE5654 vacuum tubes, phono tube preamp reveals warm and fine sound, highlights great musicality and improves everything associated with music such as detail, transparency, immediacy, richness, dynamic etc. Except the delicate and smooth sound, can be enjoyed via rotating treble/bass knobs or change other tubes according to one's preference. Advanced & Considerate Design Concept: Tube phono preamp is the first product carefully designed by our senior audio experts in Washington after lots of researches, who are always devoted to exploring the design and craft innovation of HiFi and providing extreme listening experience for audiophiles via tube preamplifier for turntable. Unprecedented Surpass in Functions & Looking: Advanced design and high-end components to build low-noise integrated circuit and ensure clean sound. Solid aluminum knobs, unique shell made of aluminum with whole die-casting molding and CNC machined, all styles of desktop space can be decorated perfectly with A1's warm orange or cool green lights. Unprecedented Surpass in Functions & Looking: The phono preamp has advanced design and high-end components to build low-noise integrated circuit and ensure clean sound. Solid aluminum knobs, unique shell made of aluminum with whole die-casting molding and CNC machined, all styles of desktop space can be decorated perfectly with A1's warm orange or cool green lights. Specifications:
Audio input: Phono MM / Stereo RCA
Audio output: Stereo RCA / 3.5mm Headphone Jack
Input level: 0.775V RMS (RCA), 0.005V RMS (Phono)
Frequency response: 20Hz-20KHz (±0.5dB) (RCA), Ref to RIAA +/-2dB (Phono)
Headphone output power: 125mW (32Ω)/62.5mW(64Ω)/30mW(128Ω)
Headphone impedance range: 16-300Ω
THD: ≤0.1%
Output level: 1.5V RMS (RCA), 0.6V RMS (Phono)
S/N ratio: ≥106dB(RCA), ≥80dB(Phono)
Working voltage: DC 12V(≥1.5A)
Package weight: 900g / 1.98lb
Package dimensions (W*D*H): 260*145*78mm / 10.24*5.71*3.07in

Packing list:
1x A1 preamp
2x GE5654 vacuum tube
1x RCA cable
1x DC 12V power adapter
1x cleaning cloth1x user manual