This is IWISTAO's Blogger,and for IWISTAO HIFI MINIMART, which is about Tube Amplifier,Output Transformer, Power Transformer, Speaker enclosure, and Bluetooth Technology, HIFI Audio and related accessories and the information like as Bluetooh Speaker, HIFI Bluetooth Earphone,HIFI Bluetooth Audio, HIFI Bluetooth Tube Acoustics,, and other populor electronics consumer products,.etc.
Beauty Guitar Playing and singing..., the song only belongs to the heaven，it is hardly heard on the earth. The vedio from youtube, great guitar playing and sing the song!
Perhaps you like guitar playing and singing, there is no problem when you play and sing as practice by yourself.But, if you open a small guitao concert,you might need a guitar amplifier speaker to amply your sining and guitar’s accompany,then show your as you like.
There are some guitar amplifier speaker for different output power, you can select them according to your needs.
Simple way to improve sound quality of your amplifier or HIFI speakers
Many audiophile spend a lot of money to desire improving the sould quality of their audio system like as amplifier or HIFI speakers.But they don't find a shortcut sometimes.If we can make sure the signal transmission isn't lossless through connetion cable, we will get twice the result with the half effort, of course, it based on the other components that work well at least. The simple
method is to use high quality connection wire or cable into your amplifier,
HIFI speakers such as OCC cable.There is
an OCC cable, which is made of 22AWG OCC frozen crystal copper with PE coat,
pure sound extremely transparent nature really.Suitable for used as headphone cable, connection cable in amplifier.
We may use it as audio connection wire in amplifier, use it to make speaker cable, use it to make power cord...
Comparisons between OFC and OCC under High-power microscope, we can see the construction of this OCC Frozen Signal Crystal Copper 7N (99.99995%) wire.
It is a Tube Preamplifier with Matisse Fantasy Line Stage GE 5670W, and its power supply is DC 12V, you may use it to update your car audio system from the DC12V.
The main feature of Matisse Fantasy Line Stage is sweet mellow sounds, calm and powerful low-frequency sound field is very open, like a sense of the scene, and here it goes without saying! Since tube preamp birth, it is well known as its design concept for distinguished from commonplace, pure and transparent sound quality to really spotless, and become a world-class reference.
The circuits adopt British famous circuit of Matisse Fantasy Line Stage, and with 12VDC power supply (Recommanded Power supply: DC12V / 1A ). The HIFI Tube Pre-Amplifier is made of HIFI imported components like as United States AB resistance, which can bring a sense of warm and soft vocals, Philips filter capacitor charging and discharging more reliable, Germany ERO coupling capacitor to that make the sound more balance, ALPS potentiometer sound good but also durable, gold-plated contacts Cinch make the connection more reliable and greatly reduce transmission of resistance signals.
Also there is vedio to paly music and it is taken by iPhone 5S.
What is an Operational Amplifier?---OpAmps Tutorial Vedio
Operationl Amplifier, especially OP IC had been used in Power Amplifer as preamplifier or other functions.
There is a excellent OP IC with metal seal, this is LME49720,which is ultra-low distortion rate; it is a professional audio op amp that is able to achieve total harmonic distortion and noise performance under 0.00003% or less in the world's only, and pursued and loved by many audiophiles around the world.
LME49720HA is one of the most top HIFI op amps IC in the world, low noise, high slew rate, wide operating voltage range and output current, etc., high overall performance is unprecedented, and can easily meet the most demanding audio application requirements. Ideal for professional and high-end audio system, it can be widely used in high fidelity buffer amplifier, high-fidelity active filters, high-fidelity headphone amplifier, high-fidelity phono equalizer amplifier, high-quality audio amplifier, high-fidelity preamplifier, high-fidelity multimedia, high-performance professional audio, high-fidelity balanced network, high-performance line drives, high-performance line receiver, mixer, etc. with the division.
LME49720HA is National Semiconductor's new generation of "op-amp of the Emperor", LM4562HA upgrade, sounds beautiful noble, comprehensive and balanced, clean sound at the end, natural, high analytical, dynamic large, low dive deep, IF full, people sound sweet and moist, high frequency transparent, delicate soft, contagious.
Specifications
Operating voltage: ± 2.5V ~ ± 17.0V
Harmonic distortion: 0.00003%
Noise Density: 2.7nV / √ ^ Hz
Conversion Rate: 20V / μs
But,do you know know-how of Operatial Amplifier. If you want to know more, please find the vedio below.
Also, there is a Closs A Headphone Amplifier and it is a preamplifier with OP IC LME49720HA, its sound is great.
Tube Hybrid Radio High Sensitivity 6N2 Preamplifier 12W Output Power AM /FM 4 Inch Speaker Desktop Wooden Cabinet
Its high-frequency is clarity and bright, structured, human voice restoring is true; powerful low-frequency thick, full of rich; treble is not exaggerated. Overall sound quality is balance and excellent. Clear radio effects, and unmatched by other products, it is a decorative and practical product.
It is high Sensitivity with 6N2 Preamplifier, and up to 12W Output Power, built-in 4 Inch Speaker Wooden Cabinet, suitable for placing on deskt.
