IWISTAO

Home
IWISTAO
IWISTAO

Feb 22, 2025 | 0 comments

Tuning the 10.7MHz Intermediate Frequency in Vacuum Tube ...

A crucial step in tuning vacuum tube FM radios is adjusting the 10.7MHz intermediate frequency (IF). Typically, this is done using a sweep generator. However, in the absence of a sweep generator, the following method allows for meticulous adjustment of the IF curve, achieving results closely approximating those obtained with a sweep generator.There is an example below for you information and learning by analogy.

Jul 06, 2024 | 0 comments

How to connect the wires between adjustable crossover and...

Some audiophiles asked us about the wires connection between IWISTAO adjustable crossover and full range speaker.

Apr 06, 2024 | 0 comments

Feel the Bass: Why You Need a Subwoofer for a Richer Audi...

A subwoofer, also known as a sub, is a loudspeaker specifically designed to reproduce low-frequency sounds. These deep bass tones, typically ranging from 20Hz to 200Hz, often get lost with regular speakers. Subwoofers work alongside your existing speakers to create a more complete and immersive audio experience.

Mar 09, 2024 | 0 comments

Circuit Diagram of IWISTAO FM Single Decoding Board Mono ...

We've heard our customer's requests, and we're happy to announce that the circuit diagram for the IWISTAO LA3401 FM decoding board is now available! This resource empowers you to gain a deeper understanding of the board's functionality and potentially fine-tune its performance to your preferences.

Jun 28, 2023 | 1 comments

Video Demo --- IWISTAO 2 Way 6.5 Inch Labyrinth Empty Spe...

This empty speaker cabinet adopts a unique 7-shaped labyrinth structure inside, its plate is made of 18mm thickness high-density professional speaker MDF, which body is arc-shaped, and its front painted panel is thickened, and the exterior is quality PVC veneer. All handmade, high-end built.

Oct 27, 2022 | 0 comments

Why some audiophiles like to choose electronic crossover？

Why some audiophiles like to choose electronic crossover, you may look at the following reasons. Of course, to use electronic crossover will consumes more power amplifiers, and one channel needs one amplifier.

Why some audiophiles like to choose electronic crossover？

Sep 23, 2022 | 1 comments

Nobody but you from IWISTAO HIFI 4 Inch Full Range Labyri...

Nobody but you!

The warm man's song is from IWISTAO HIFI 4 Inch Full Range Labyrinth Speaker plus single-ended class A 2x7W parallel 6P14 vacuum tube power amplifier.

The music source of notebook is connected with a CSR64251 Bluetooth decoder via Bluetooth wireless connection, and music player is foobar2000.

WHFRS-AKISUI4-WD

Sep 18, 2022 | 0 comments

How to drill the holes for IWISTAO Empty Speaker Cabinets

How to drill the holes for IWISTAO Empty Speaker Cabinets Sometimes most of audiophiles like to DIY their audio equipments like as preamplifier, power amplifier, and speakers. They will more...

Jul 07, 2022 | 1 comments

How Vacuum Tube 6E2 Connect with IWISTAO Tube FM Board

It will be beautiful if a Cat-eye(vacuum tube 6E2) is installed into our IWISTAO tube FM tuner. But this tube isn't included in the tube FM board, it need be installed by yourself.

So, someone asked us how to connect vacuum tube 6E2 with our tube fm finished board，please see the photos and the last one is 6E2 diagram.

How Vacuum Tube 6E2 Connect with IWISTAO Tube FM Board

Jun 23, 2021 | 0 comments

DIY IWISTAO HIFI 5 Inch Full Range Speaker Unit Labyrinth...

Diyer said that it is easy to assemble it, you may fix the boards with screws and nuts after coat glue between the boards, then use a hand saw to saw the ribs, easy to cut when assembled.

Feb 09, 2021 | 0 comments

California hotel from IWISTAO HIFI M6.5 labyrinth speaker...

Jan 28, 2021 | 0 comments

The Cantonese song "The Love Riverside" from 300B tube po...

The Cantonese song "The Love Riverside" from 300B tube power amplifier + CD player + passive preamplifier + IWISTAO 6.5 inches full range labyrinth speaker This 300B single-ended tube amplifier...

Nov 16, 2020 | 1 comments

Review of IWISTAO WHFSC-FR565WLC-6.5 Speaker cabinets wit...

Review of IWISTAO WHFSC-FR565WLC-6.5 Speaker cabinets with MARK HI-FI 6.5” Metal Cone Drivers. Dan Harrison, Music Producer and Owner of Jaguar Music [www.JaguarMusic-MARS.com] A recent living room renovation meant...

Dec 22, 2018 | 0 comments

Bluetooth 5.0 Decoder + Mono FU50 Single-ended Tube Ampli...

The Video is for a Bluetooth 5.0 Decoder + 2pcs Mono FU50 Single-ended Tube Amplifier + HIFI 3 Inch Full Range Speakers.

Oct 29, 2018 | 0 comments

Vacuum Tube Selection

When selecting an electronic tube, we should determine the appropriate tube type according to the characteristics and requirements of the specific application circuit firstly. Secondly, it should be ensured that parameters of the selected tube meet the requirements of the application circuit, especially the limit parameters must have sufficient margin.

6N Series Vacuum Tubes

Oct 17, 2018 | 0 comments

IWISTAO FU50 Small 300B 2x8W Vacuum Tube Amplifier Finish...

Vacuum tube FU50 is known as the small 300B and close to tube 300B, but the price is much lower than tube 300B, its treble is fine, extension is very good, overtone is excellent, and the vocals are very cordial. Listening to the original sound of the Dream of Red Mansions can feel that it is super strong; listening to symphony and string music is very good, violin is very delicate, more worth playing than the tube EL34.

IWISTAO FU50 Vacuum Tube Amplifier 2x8W Single-ended Class A PCBA Finished Board Small 300B DIY

Jun 24, 2018 | 0 comments

What is B, P, G for tube amplifier output transformer?

The primary of tube amplifier output transformer generally has two, three and five connection terminals.

The circuits of single tube type class A amplifier Among them include:

The primary is 2 connection terminals, P is connected to the screen, B is connected to B+ (that is, DC high voltage power supply)
The primary is 3 connection terminals, P is connected to the screen, G is a Ultra-linear tap (connected to the second gate of the power amplified tube such as 6P6P, 6P1, 6P14, etc.), B is connected to B+ (that is, DC high-voltage power supply)

IWISTAO tube output transformer