Ampapa A1, more than one simple preamp: MM input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. Stereo RCA input, amplifies the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifiers or active speakers and greatly improve the sound quality.
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Bluetooth 5.0 & Stereo RCA & MM Phono inputs: MM phono input, converts phono signal to line level signal and amplify it, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. Bluetooth&RCA input, amplify the low level audio signal from your phone, tablet, MP3 etc. and provide enough output power for passive speaker, greatly improve the sound quality. JAN5725 vacuum tube & HiFi Sound: default with JAN5725 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference. .
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Compact ultra-low noise phono turntable preamp that converts phono signals to line level signals. The BOX X4 equipping with 5654W vacuum tubes stands up to the test and will provide you with serious sound performance.
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• Fosi Audio BOX X3 is a mini stereo Bluetooth 5.0 Hi-Fi tube. Fosi Audio BOX X3 1 Bluetooth Antenna 1. • Compact ultra-low noise phono turntable preamp that. converts phono signals to line level signals.
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Was fully tested and works perfectly. Specs found on Internet are below. There's also manual included. RIAA phono part. Tube model: 6J1. Power range output: 0.2 W. Output impedance 200 ohms, input 47k ohm / 220 pF.
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Multiple audio inputs and outputs for convenient use: with 3 groups of stereo RCA, MM phono, Bluetooth 5.2, U-disk and FM radio inputs, perfectly compatible with most audio sources, also with input selection and dual RCA outputs, no need to plug in and out cables repeatedly. Adopting 2×6N2 and 4×6K4 vacuum tubes: as preamplification effectively filter the digital sound of common audio source, reduce noise and improve the dynamics. Keep the musical charm of tube amplifiers and make the sound harmonious and balanced, sounds warm and delicate, much softer and more listenable.
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Finally available: the new Dynavox preamplifier TPR-3, the ideal complement to the new power amplifier ET-100, but of course also ideal for VR-70, VR-80 and other amplifiers/power amplifiers The symmetrically constructed TPR-3 has 5 inputs. One of them is a phono input (switchable MM/MC), the phono section is further shielded in a separate housing in the device to ensure absolutely interference-free signal processing. The TPR-3 works with 2 type 6N3 tubes. Input sensitivity: -20 db, frequency response: 20 Hz - 50 kHz, total harmonic distortion (THD): < 0.5%, signal-to-noise ratio: < -70 db, Output voltage: 1V (0dB), gain: MM 40 dB, MC 60 dB, line 12 dB, inputs: 5 x RCA stereo (1 x phono), outputs: 1 x RCA stereo, power supply: 230 V/50 Hz, tubes 2 x 6N3, 5mm thick aluminum front panel. Di.
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Input Impedance: 47k Ohms.
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