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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.

Feb 01, 2025 | 0 comments

Exploring the 6P14 Single - Ended Amplifier Circuit

The 6P14 is a pentode vacuum tube widely used in audio amplifier circuits. It is known for its relatively high power - handling capabilities and good audio performance, making it a popular choice for single - ended amplifier designs.

Nov 10, 2024 | 1 comments

The Enduring Legacy of the LS3/5A Speaker: A DIY Guide

How to DIY your own LS3/5A speaker?

The LS3/5A, a compact studio monitor revered by audiophiles worldwide, has captivated listeners with its transparent and natural sound reproduction. Originally designed by the BBC for outside broadcast vans, this iconic speaker has maintained a loyal following for decades.

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.

Mar 05, 2024 | 0 comments

Craft Your Dream Sound: IWISTAO's DIY Bookshelf Speaker C...

Craft Your Dream Sound: IWISTAO's DIY Bookshelf Speaker Cabinets

Looking to build your own high-performance speakers? Look no further than IWISTAO's popular line of empty bookshelf speaker cabinets! These meticulously crafted enclosures provide the perfect foundation for your DIY audio project.

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.

Nov 21, 2022 | 2 comments

Brief of Vacuum Tube Models and Replacement

The blog collects some tube models and give them a brief, also you can do a simple replacement, but for details, you need search them and get detailed parameters and curve.

IWISTAO Vacuum Tube Preamplifier

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