Feature

●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., 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, A1 reveals warm and fine sound, highlights great musicality and improves everything associated with music such as detail, transparency, immediacy, richness, dynamic etc.. Different delicate and smooth sound can be enjoyed via rotating treble/bass knobs or change other tubes according to ones preference.
●Advanced & Considerate Design Concept: A1 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 our top-class audio devices.
●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 A1s warm orange or cool green lights.
●What You Get: 1x A1 preamp, 2x GE5654 vacuum tube, 1x RCA cable, 1x DC 12V power adapter, 1x cleaning cloth, 1x user manual and our worry-free 18-month warranty and friendly customer service.

Description

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Ampapa A1

More than one simple preamp

As a phono preamp for MM turntables / record players
As a tube preamplifier for MP3, MP4, phone, PC, CD player .etc
As a headphone amplifier for 16~300 ohm headphones including HD650 / K701 / DT770 / ATH-M50X .etc

Replaceable Raytheon JAN GE5654

Warm and fine sound with great detail, transparency, immediacy, richness, dynamic etc.
Treble & bass knobs

Conveniently enjoy different delicate and smooth sound to your preference
Phono & RCA

Set it as a phono preamp or audio preamplifier for MM record player / phone / cd player .etc easily
Not only for amplifier or active speaker

Up to 125mW clear and strong headphone output can suit most headphones
Unprecedented Surpass in Functions & Looking

Unique shell made of aluminum with dual-color ambient light

1 Vacuum Tube 2 Tone Control 3 Pre-Amp 4 Headphone Amp 5 Advanced Design

1 Front 2 Back 3 Side 4 Top 5 Packing List

1 FFT Spectrum 2 Relative Level (1 kHz) 3 Signal to Noise Ratio 4 THD+N Ratio

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 (WDH)	26014578mm / 10.245.713.07in