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Aug 15, 2017 | 0 comments

What is Ture Wireless Stereo?

It is connected with the main speaker through smartphone, and then the main speakers connect s with the slave speaker via a Bluetooth wireless mode connection, to achieve true wireless Bluetooth for left and right channels separated of Bluetooth speaker.The program based on CSR Bluetooth4.0 with dual-mode module development. When not connected to the speaker, the main speaker stereo back monomers. It is no delay, and good sound quality. Designed to provide customers with stable performance characteristics of high-end Bluetooth loud speaker programs. It need 2 pcs Bluetooth modules with TWS function to realize it as below.

Ture Wireless Stereo

Aug 02, 2017 | 0 comments

Parallel Single-ended Class A 6P1 Tube Amplifier

For tube amplifier with parallel connected by 2 pcs 6P1 tubes, the internal resistance of output transformer will be reduced by half, and more control power to speaker, output power increased as double.

Jul 15, 2017 | 0 comments

Effect of Tube Buffer Preamplifier

And there is one type preamplifier, we call it as tube buffer that is no gain, input and output signals 1 to 1, Its role and advantages are, it can greatly reduce the digital taste and transistor sound when connected between VCD, CD, DVD, CD-ROM and other digital audio amplifier, so that the entire sound system has sweet natural tube taste

Tube Buffer from IWISTAO HIFI from IWISTAO HIFI AUDIO on Vimeo.

IWISTAO Tube Buffer Preamplifier Music Fidelity 12AU7 Stereo No Gain Sweet Natural Taste

Jul 09, 2017 | 2 comments

Output Transformer -- Key components of Tube Amplifier

Output transformer used in HIFI tube amplifier is a key component in high-fidelity audio equipment, it utilizes electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core. In electrical equipment and radio field, commonly used as lifting voltage, matching impedance, safety isolation and so on.

Jul 06, 2017 | 0 comments

IWISTAO Tube FM Tuner + 6P1 Tube Amplifier

It is a finished tube FM tuner, whose tubes have been located on the same board, so it looks compact and elegant, and it is a little different with the tube FM radio that we have post before.

IWISTAO Finished Tube FM Stereo Tuner Whole Aluminum Chassis High Sencitivity from IWISTAO HIFI AUDIO on Vimeo.

IWISTAO Tube FM Radio Tuner Finished

Jun 29, 2017 | 0 comments

WIFI Radio Internet Web FM Radios 5W RMS Color Screen Clo...

Hundreds of preset stations available, you can listen radio worldwide from it.

WIFI Radio Internet Web FM Radios 5W RMS Color Screen Clock and Alarm Wooden Casing

Jun 27, 2017 | 0 comments

Beautiful Enclosure and Wonderful Sound form IWISTAO HIFI...

Listen to the sound is far wider sound field, better resolution, better layer structured. We are intoxicated by the music, the melody of each neuron start wondered if peristalsis, high, medium and low frequency is very balance, so fantastic! The sound of the human voice is warm, soft and pure, and natural loose, smaller noise pollution, rich musical taste, great flavor, also has a good low-frequency performance, is a treat for the ears, very enjoyable for long time listening and you don’t feel tired.

Jun 23, 2017 | 0 comments

Digital Audio Broadcasting with CD quality sound

DAB is the third generation broadcasting after conventional AM, FM analog broadcasting .DAB is short for Digital Audio Broadcasting, which is close to CD quality sound, and the listener can listen to the radio non-interference completely.

Jun 21, 2017 | 0 comments

Sweat and Mellow Sound from IWISTAO Tube FM Radio Built-i...

The tube FM radio used tube 6N3 as a high-level and mixing, tube 6C11 as the unit local oscillates,tube 6J4 as IF amplification together with 5pcs mid cycle inductances, and it has the advantages of high sensitivity, low noise. After stereo decoded by TA7343AP, then the signal will be amplified by tube 6N2 as a preamplifier. And power amplifier part, it used 6N2 to drive 2pcs tube 6P1 that is classic and famous application.

IWISTAO Tube FM Stereo Radio Built-in Power Amplifier