Based on the classic Naim NAC52 power amplifier circuit. Japan 1% high-precision photo-cathode resistance. Assembled Board:have tested it well ! 8 BC axial capacitors.
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Upgraded 7-band EQ preamp: separate and rich frequency band control (50Hz / 125Hz / 315Hz / 750Hz / 2KHz / 6KHz / 16KHz), T8 can compensate for the defects of speakers and sound field by adjusting 7-band high, middle and low frequencies, and modify various sound sources. The timbre and loudness also can be changed to achieve different sound effects. Real balanced XLR preamp and amp: support XLR and RCA inputs and outputs, T8 can reproduce high-quality audio for amplifier or active speaker with excellent separation, resolution, sound field, clean background. Also with a balance control to compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position.
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Douk Audio L1 is a premium preamp / mini amp / audio converter with adjustable boost up to 20dB. With built-in high-end voltage boost, and amplification circuits with ultra low-noise for outstanding performance, can greatly improve the output level of the audio devices that with an inherently low level output.
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MBL6010D High-end preamplifier circuit. MBL6010D preamplifier board x 1. Full direct-coupled preamplifier line. KOA high quality audio resistors. Printed board size: 100 110 mm. Kingboard high quality printing plate 2mm thick, 70um thick copper.
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Insipired by a classic design: the MM phono preamp is inspired by a famous British phono stage. This homage to vintage craftsmanship combines timeless aesthetics with modern functionality, ensuring exceptional audio performance. Elevate your vinyl experience: experience a gain of 240 times with a SNR of approximately 78dB, nearly the limit for vacuum tube preamps. Tested with speakers of 90dB sensitivity, the inherent low-frequency tube noise is only noticeable at maximum volume within one meter, ensuring an exceptionally clean audio performance.
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C3850 preamplifier board x 1.
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HiFi Vacuum Tube Preamp Stereo 4-way Audio Switcher Box Desktop Headphone Amp. 1 Tube Preamp. Headphone output impedance: 32-300Ω. Headphone max power: 160mW/32Ω. Default Soviet Union 6H3N tube, can be replaced by Beijing 6N3 / Soviet Union 6H3N-E etc.
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