Vacuum tube circuits

PJ.MIAOLAI M7 bluetooth 5.0 6J1 Vacuum Tube Amplifier Preamplifier Preamp Package weight: 1.00 kg Features: Vacuum tube preamp with bluetooth; Convenient to improve your sound quality Audio signal input can be computer, CD, phone and lossless player Three kinds of audio input:bluetooth5.0, RCA,AUX 3.5mm stereo input Easily switching between different sound sources with its audio input selection Audio output can be connected to digital amplifiers and active multimedia audio devices Treble & bass adjustment; Sound is warm and broad; No background noise Gold-plated for input and output terminals; 6J1 valve tube; Mini size suitable for desktop The bluetooth decoding part adopts the latest US ESS9023 top-level decoding core. ES9023 is a 24-bit stereo audio digital-to-analog conversion chip (DAC) of ESS. It adopts the industry-leading SABRE digital-to-analog conversion technology. This chipset has the best sound quality and high performance. The price/performance ratio makes it an ideal choice for digital-to-analog conversion. The ES9023 uses patented Hyperstream architecture and time-domain jitter cancellation technology to enable jitter-excelent recording quality with a dynamic range of 112dB M7 bluetooth module is BTM625 bluetooth audio module, adopt CSRA64215 chip, support A2DP, AVRCP, HFP, TWS, AAC, I2S, APTX, APTX-LL,etc., adopt 4M SPI FLASH memory chip. An external high-gain removable antenna really makes lossless transmission of stable signals. The M7 uses two high-quality relays and a high-precision custom crystal. It has boot protection and protects your audio equipment from any damage Audio input: 1 set of RCA input; 1 x 3.5mm stereo input; 1 x bluetooth input Audio output: 1 set of RCA output Dimensions: 16 x 11.5 x 7 cm (including tube height) Power supply: universal 12V DC Package Included: 1 x PJ.MIAOLAI M7 Amplifier 2 x Tube 1 x Power Adapter Click here for more deals PJ.MIAOLAI M7 bluetooth 5.0 6J1 Vacuum Tube Amplifier Preamplifier Preamp PJ.MIAOLAI M7 bluetooth 5.0 6J1 Vacuum Tube Amplifier Preamplifier Preamp

DBX 386 Dual Vacuum Tube Preamp The Silver Series 386 dual channel tube mic preamp puts the best of both worlds into one affordable package by combining the warmth of the irreplaceable vacuum tube with the proprietary dbx Type IV conversion system. The 386 boasts many of the same features as other products in the Silver Series, such as +48V phantom power, a phase invert switch, and low cut filtering; but also includes digital outputs in both AES/EBU, and S/PDIF formats.

SELECTED OPTION: COLOR: SILVER CLICK HERE for more options in this item. Features:   Using classical 6J1 tube, design process, optimization of the line, and ultimately make it very resistant to bile taste, warm voice and sound field open, high bass adjustment function is unique Can be connected to the computer. Mobile phone.CD. lossless music player source, the output end can be connected to a variety of digital amplifier, active multimedia speakers and other audio equipment, audio equipment allows you to instantly bile flavor With high bass adjustment function, according to the different audio equipment parameters, free adjustment, to achieve the desired effect of HiFi sound quality Voltage: 12V Current: 1A Material: Aluminum alloy shell, gold-plated interface Size: 125mm x 98mm x 33mm Power amplifier type: HIFI power amplifier   The correct boot sequence is: Open the gallbladder front stage first, and then open the power amplifier connected to the front of the bile duct.   Please note:   This machine is a bile level, not a power amplifier, does not have the power amplifier function. Need to connect the power amplifier or active multimedia speakers before the bile level The tube is fragile, the installation of electronic tube, please try to slow vertical tube plug, avoid tube holes around the aluminum shell, prevent tube cracks or leaks   Package Included:   1 x Ding Shine Audio Vacuum Tube Preamplifier

Looking at adding analog tube warmth to your audio without spending a fortune, then this dual channel vacuum tube pre-amp is what you need, features: 2 x 12AX7 high voltage tubes Pre and post gains (great for adding some tube overdrive) Mic/Line operation EQ (low cut filter, lo mid and hi mid peak/dip filters and high frequency shelving filter) Phase reverse 20 dB pad 48 volt phantom power Analog and digital outs This unit really warms up, vocals, bass (especially synth bass), acoustic/electric guitars or any other acoustic instrument including drums. This VTP1 has just been totally refurbished and is as good as brand new. Price: R negotiable You won't get a better vacuum tube pre-amp for this price.

Sovtek 5AR4 SOV Rectifier Vacuum Tube, Single Product Description | Fast rise, full wave rectifier | Excellent choice for both Hifi and instrument amplification. | Single tube | GZ34 equivalent

Tube-T2 120mW HIFI Lossless 6K4 Vacuum Tube Desktop Headphone Preamplifier Amplifier Package contains 1 X item of the smallest listed variant.

Electro-Harmonix 6L6GC Vacuum Tube, Matched Pair Product Description Beam power tetrode modeled after the vintage RCA 6L6GC "blackplate". Features large plate dimensions and improved grid structure for increased power handling capabilities. | Beam power tetrode modeled after the vintage RCA 6L6GC "blackplate". | Features large plate dimensions and improved grid structure for increased power handling capabilities. | Manufactured In Russia | Matched Pair

Electro-Harmonix 6L6GC Vacuum Tube, Matched Pair Product Description | Beam power tetrode modeled after the vintage RCA 6L6GC "blackplate". | Features large plate dimensions and improved grid structure for increased power handling capabilities. | Manufactured In Russia | Matched Pair

DING SHINE HiFi Digital 6J1 Vacuum Tube Mini Stereo Audio DAC Pre Amplifier Package contains 1 X item of the smallest listed variant.

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Buy PJ.MIAOLAI M7 bluetooth 5.0 6J1 Vacuum Tube Amplifier Preamplifier... (COLOR.: BLACK | ADAPTOR: US) for R1,527.00