Down by the Salley Gardens Full Version from a Big Vacuum Tube Amplifier

Down by the Salley Gardens Full Version from a Big Vacuum Tube Amplifier

Although this vacuum tube amplifier generates a lot of heat, it has an unexpected benefit—keeping you cozy during winter evenings. Imagine the warmth of the amplifier complementing your favorite music as you relax. Why not brew a cup of coffee, settle into a comfortable chair, and enjoy the beautiful melodies filling the room? Truly, isn’t this one of life’s simple pleasures?

Michael Jackson's iconic song "Bad" from IWISTAO HIFI Power Amplifier 80Wx2 Stereo NAP140

Michael Jackson's iconic song "Bad" from IWISTAO HIFI Power Amplifier 80Wx2 Stereo NAP140 

The IWISTAO HIFI Power Amplifier 80Wx2 Stereo NAP140 is a product that audiophiles will find particularly intriguing. Modeled after the legendary Naim NAP140, this amplifier carries the essence of what makes Naim amplifiers so revered in the audio community. Often compared to Linn turntables in their iconic status, Naim amplifiers are known for their warm and mellow tones, delivering a listening experience that captures the hearts of true music enthusiasts. 

  

Despite its understated appearance, the Naim NAP140 has gained a cult following for its ability to provide a rich and immersive audio experience. While the price of Naim amplifiers can be steep, those who appreciate expert craftsmanship and superior sound quality find the investment worthwhile. This amplifier isn’t just a device; it’s an experience. Once you’ve listened to it, it’s hard to imagine settling for anything else. 

  

Personally, I hold the NAP140 circuit in high regard, comparable to my affection for the iconic 1969 circuit. While the sound quality of the NAP140 is on par with the 1969 circuit, it surpasses it in terms of output power. A defining characteristic of the NAP140’s architecture is its predominantly second-harmonic distortion, which lends it a tonal quality reminiscent of the charming warmth of tube amplifiers. However, unlike tube amplifiers, the NAP140 achieves this harmonic richness with remarkable efficiency and precision. 

  

The IWISTAO HIFI Power Amplifier brings the essence of the Naim NAP140 to a wider audience, offering a taste of its renowned mellow and soft sound. For those who value musicality and tonal charm, this amplifier is a compelling option that bridges the gap between classic designs and modern accessibility. 

  

A demo video showcases the amplifier’s performance using Michael Jackson's iconic song "Bad." You can view it here to experience the sound quality for yourself. 

https://iwistao.com/products/iwistao-hifi-power-amplifier-80wx2-stereo-refer-naim-nap140-mellowsoft-sound-tube-taste-black-whole-aluminum-casing-high-quality

Friend Don't Cry from IWISTAO 5.25 Inch Coaxial Speaker LS50

Friend Don't Cry from IWISTAO 5.25 Inch Coaxial Speaker LS50

This is a 5.25 inch coaxial empty speaker cabinet with solid wood. Exquisite craftsmanship, pure sound quality, high density and strong anti-resonance ability.

For the empty speaker cabinet, please click here,

https://iwistao.com/products/iwistao-5-25-inch-coaxial-empty-cabinet-solid-wood-back-inverted-no-including-speaker-unit-ls50-hifi-diy-audio

IWISTAO HIFI 8 Inch Full Range Speaker Empty Cabinet 1 Pair Finished Wood Labyrinth Structure Blank Version for Tube Amp

 IWISTAO HIFI 8 Inch Full Range Speaker Empty Cabinet 1 Pair Finished Wood Labyrinth Structure Blank Version for Tube Amp

This speaker cabinet is made of solid wood. Built-in a labyrinth structure, it can enhance the low-frequency radiant energy, make low-frequency dive deeper, effectively overcoming insufficient bass of commend full range speaker cabinet, make the speaker cabinet the full-frequency be more full and rich.

Its empty speaker cabinet, please find here.

https://iwistao.com/products/iwistao-hifi-3-8-inch-full-range-speaker-empty-cabinet-1-pair-finished-wood-labyrinth-structure-blank-version-for-tube-amp

IWISTAO HIFI Bluetooth 5.1 Stereo Decoder Qualcomm QCC5125 Hardware Decoding Bluetooth Optical Inputs APT-HD LDAC

 IWISTAO HIFI Bluetooth 5.1 Stereo Decoder Qualcomm QCC5125 Hardware Decoding Bluetooth Optical Inputs APT-HD LDAC

Overall sound performance of this decoder is full of simulation, its vocals are rich in emotion, and the performance of slow music is also very good, full of vinyl flavor.

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https://iwistao.com/products/iwistao-hifi-bluetooth-5-1-stereo-decoder-qualcomm-qcc5125-hardware-d

IWISTAO FU29 vacuum tube pull push amplifier with Bluetooth wireless connection

IWISTAO FU29 vacuum tube pull push amplifier with Bluetooth wireless connection

This FU29 vacuum tube named FY29 in Russian, and named 829B in American. It is a composite vacuum tube in which two Cambodian tetrodes are packaged in a same glass shell. It is generally used in power amplifiers with push-pull output, which can reduce tube selection and matching trouble. FU29 filament voltage is 6.3V, current is 2.25A, screen voltage is 600V, curtain grid voltage is 200V, zero letter screen current is 40mA, full letter current is 110mA. The grid bias voltage is -18V, the optimal load impedance from the screen to the screen grid is 13750Ω, and the output power (effective value) reaches 44W when the signal is full. In order to further simplify the circuit, this unit uses a composite tube 6N2 for preamplification and phase inversion, so that a single channel can use 6N2 and a FU29 to complete the power amplifier task, and it has 40W power output.

 It is small in size, unique in shape, but strong in driving force. Do not use the power of general transistors or digital power amplifiers to analogize the actual driving force of this tube power amplifier, because the high supply voltage and unique output transformer’s structure, its output internal resistance change for high and low frequency signals is relatively small, and it has a good low frequency driving ability. And the sound is soft and smooth, warm and delicate. 

This is why the tube amplifier has not been completely replaced after the emergence of many new technologies. 

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https://iwistao.com/products/iwistao-2x40w-vacuum-tube-amplifier-fu29-power-stage-6n2-preamp-bluetooth-5-0-whole-aluminum-chassis

How to make a IWISTAO HDF board empty speaker cabinet?

The video demo the manufacturing process for IWISTAO empty speaker cabinet made of HDF board. Step by step as below. 1. Smooth cutting with uniform density board 2. Precise hole cut by CNC 3. Environmentally friendly woodworking glue 4. Strong and durable enclosure with air nail reinforcement 5. Rosewood grain leather, all hand-painted

I remember everything from IWISTAO 12 Inch Full Range Speaker Unit without a baffle

I remember everything from IWISTAO 12 Inch Full Range Speaker Unit without a baffle

The speaker is one inch large and one inch strong, small speaker unit to listen details, and large speaker unit to listen energy. Large-caliber speaker unit have a wide sound field, which is unmatched by small-caliber speakers. The speaker cone frame adopts aluminum die-casting structure, the paper cone is a leather-edge suspension paper cone, and its magnetic circuit adopts a symmetrical magnetic circuit structure with a short-circuit ring, and the magnet adopts Y35 aerospace magnetic outer magnet.

 

The performance of speaker unit is deep and full in low frequency, beautiful and lyrical in the midrange, clear and bright and elegant in the treble, and full of penetration, also its vocal performance is very outstanding. It is a good match with the tube amplifier, such as 300B, 2A3, EL34, KT88, etc.; Because the speaker unit’ sensitivity is high, the output power of 3 to 5W can produce very good sound. At the same time, it is also suitable for transistor power amplifiers. 

IWISTAO 12 Inch Full Range Speaker Unit 50W Leather Edge Suspension Paper Cone Aluminum Die-casting Frame 28hz-18.5kzh 97dB

Rude Boy from IWISTAO HIFI Tube Preamplifier 6N8P Preamp 6Z5P Rectifier

This is a tube preamplifier with tube rectifier and linear pre-amplifier stage that is made of tube 6N8P as preamp and tube 6Z5P as tube rectifier.

Designed as a modified non- negative feedback amplified outstanding circuit, and adopt HIFI components manufactured, to ensure that the volume of cases in any accurate sound field , rich layering; high frequency is slim and sleek, beautiful sounds. Singer’s dental and the slightest breathing switched sound could be heard clearly, music rich, sensual fruity, sweet vocals.

Adopting two-stage direct-coupled amplifier circuit, strong vacuum tube flavor, deep extension at both ends, and large dynamic range. 

The chassis is made of red walnut wood, 20mm thick solid wood rather than veneer, with rose gold mirror stainless steel top plate, appear luxury.

https://iwistao.com/products/iwistao-hifi-tube-pre-amplifier-6n8p-preamp-6z5p-rectifier-pure-tube-amplifier-whole-aluminum-casing?variant=42004457947251

IWISTAO 5881A Tube Amplifier Single-ended Class A Mini Amp Manual Scaffolding EL34 Vacuum Tube Upgrade Version

IWISTAO 5881A Tube Amplifier Single-ended Class A Mini Amp Manual Scaffolding EL34 Vacuum Tube Upgrade Version

This is a Class A single-ended mini 5881A tube power amplifier with retro style. Vacuum tube 5881A is an upgraded version of 5881 tube. 

   

The original model is a four-stage electronic tube made in the United States, which is an excellent tube, it has high performance in midrange, low frequency and resolution, the sound is round and delicate, also its internal resistance is lower than that of the 6L6, and tone is warmer. It is a directly upgrade the tubes 6L6, 6P3P, 6L6GC, el34, 6V6, 6p6p, no need to adjust the parameters, directly replacement.

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https://iwistao.com/products/copy-of-iwistao-5881a-tube-amplifier-single-ended-class-a-mini-amp-manual-scaffolding-el34-vacuum-tube-upgrade-version-gray-casing

IWISTAO 6.5 Inch HIFI Passive Subwoofer 50W 8 Ohms 45HZ-300HHz 86dB±3dB Wood Cabinet

 This is a passive speaker that needs to be used with a subwoofer amplifier, and it does not have a crossover.

The subwoofer unit has a special low frequency enhancement design that is not as simple as a high power long stroke. With a good cabinet and guide, bass dive, flexibility, and strength are just right. Whether it is a 2.1 system subwoofer or a 5.1 system subwoofer, it has a very good performance. Of course, you can also use it to supplement  the low-frequency part of the full-range speaker.

https://iwistao.com/products/iwistao-6-5-inch-hifi-passive-subwoofer-60w-8-ohms-35hz-300hhz-86db-3db-wood-cabinet

IWISTAO HIFI Speaker Full Range Cabinet 4 Inches Unit 4 Ohm 15~60W 94dB Solid Wood Enclosure Desktop

IWISTAO HIFI Speaker Full Range Cabinet 4 Inches Unit 4 Ohm 15~60W 94dB Solid Wood Enclosure Desktop Inverted Structure

This speaker cabinet is made of solid wood. 

This speaker enclosure is handmade, and because of the inherent characteristics of solid wood, its appearance has the texture of solid wood itself. After the cabinet is polished, it is coated with paraffin oil. Buyers can be polished and waxed later to make it more interesting.

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https://iwistao.com/products/iwistao-hifi-speaker-full-range-cabinet-4-inches-unit-4-ohm-15-60w-94db-solid-wood-enclosure-desktop-1-pair-inverted-structure

Guang Hui Sui Yue of Beyond from IWISTAO 4 Inch Labyrinth Speaker Solid Wood

Aluminum Ribbon-Type External Super Tweeter 1 Piece in Exquisite Walnut Solid Wood Housing

Aluminum Ribbon-Type External Super Tweeter 1 Piece in Exquisite Walnut Solid Wood Housing

Elevate your audio experience with the Aluminum Ribbon-Type External Super Tweeter, housed in an exquisite walnut wood enclosure. Crafted with precision using imported walnut wood, this speaker unit features a meticulous mortise and tenon structure, coated with environmentally friendly, edible-grade wood wax oil for a luxurious finish.
 

The diaphragm of the speaker unit is treated with nano-treble and anti-oxidation processes, ensuring its longevity and pristine performance. With an impressive 31KHz ultra-high bandwidth extension, it promises the ultimate Hi-Fi audio experience for discerning audiophiles.
 

Enhance your audio setup with the Aluminum Ribbon-Type External Super Tweeter in stunning bwalnut wood housing. Immerse yourself in the world of high-fidelity audio, where every note and detail comes to life. Elevate your audio experience to new heights and savor the ultimate enjoyment of Hi-Fi sound reproduction. Whether you're a music enthusiast or a dedicated audiophile, this super tweeter is designed to deliver a superior audio experience that will leave you captivated.

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https://iwistao.com/products/aluminum-ribbon-type-external-super-tweeter-1-piece-in-exquisite-walnut-solid-wood-housing-for-audiophiles-hifi-audio