Features 1. The newest tube preamp of Nobsound with upgraded function and design. Hundreds of reviews and thousands of customers witness the excellent sound performance and quality of our Nobsound NS-08E. This new product will satisfy you again. 2. Excellent sound performance far more than what you paid for; No background noise; Adding tube sound and eliminating digital style for your sound system; Providing warm and soft sound output; Enhancing sound field and sound quality remarkably; Suitable for vocal / string music / soft music / classic music 3. Strong functionality and playability; With independent treble, bass and volume control; Vacuum tube can be replaced by 6ж1П / 6AK5 / 6BC5 / 403A/B / 5654 / EF40 / F95 / CV850.
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HiFi Vacuum Tube Preamplifier Stereo Audio Preamp 12AU7 6N2 6Z4 6N4 Tube Ref Shigeru Wada Circuit. Tube: 6Z4 2, 6N2 4, 12AU7 2, 6N4 2. 1 Set of Tube Preamplifier. The circuit of this tube preamp is inspired by Shigeru Wada Circuit.
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ECO Preamp. Passive design – no power required. Black aluminium enclosure. The enclosure is precision machined from solid aircraft grade aluminium and finished in black. The front panel is screw-less, aqua blasted and anodised for a clean, understated appearance.
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T4 PLUS tube preamp meets more HiFi audio needs: MM /MC phono input, support multiple input impedance switch (1KΩ/470Ω/220Ω/100Ω/47Ω/22Ω/10Ω), converts phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality. Unique and amazing combination in the appearance: integrated T4 PLUS preamp with retro tubes and VU meter into a whole, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system and give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.
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Preamplifier tube：. Finished tube preamplifier x1 Plastics remote x 1 (no battery). The circuit redesigned the LAY board. The electronic tube part is made with the protective tube of the electron tube, and the protective cover adopts the bolt type installation, and the disassembly and assembly are more convenient.
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Refer CARY-SLP90 Preamplifier Circuit，the sound is very good ！. Finished CARY-SLP90 Preamplifier x 1 （Not included AC power cord）. The input and output impedance is constant, the step is 0.5db, and the total attenuation is 63.5dB.
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Dynasty ProAudio PX2 Multi-Source Stereo Preamplifier with Bluetooth 5.3 + USB DAC Interface built-in. Simply connect those sources and more using the RCA and S/PDIF inputs on the back panel — or the front-panel 1/4" mic input — then use the RCA output to connect to your amplifier.
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Four pairs of RCA inputs allow for connection to all your music sources, and one pair of RCA jacks to go to your amplifier. Connection of the PP532 is easy. The rear panel 1-4 RCAs connect your input signals.
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