Thursday, June 20, 2024

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. 

Monday, June 17, 2024

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.


Sunday, April 7, 2024

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.