IWISTAO BLOGGER

Wednesday, August 10, 2022

IWISTAO 2 Ways 3/4/4.5 Inch Empty Speaker Labyrinth Cabinet

This is a unique pair 2 way 3/4/4.5 inch full range unit plus tweeter solid wood empty speakers, its tweeter unit can well compensate the high frequency of the small-diameter full-range speaker unit.

They are formed by CNC machining, then preliminary polishing, the outer surface of speaker enclosure is coated with wood wax oil.

Here are photos of IWISTAO 2 Ways 4/4.5 Inch Empty Speaker Labyrinth Cabinet.

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IWISTAO HIFI 2 Way 4~4.5 Inch Full Range plus Tweeter Empty Speaker Enclosure 1 Pair Labyrinth Horn Solid Wood Audio

IWISTAO HIFI 2 Way 3 Inch Full Range plus Tweeter Empty Speaker Enclosure Labyrinth Horn Solid Wood Audio

Monday, July 18, 2022

Ni Zen Me Suo from IWISTAO HIFI 2 Way 5.5 Inch Boomboo Bookshelf Speaker Cabinet

More details, please find here,

IWISTAO 2 Ways 5.5 Inches Bamboo Empty Cabinet 1 Pair Enclosure 9.2L Inverted No Including Speaker Units HIFI Audio DIY

Monday, July 11, 2022

Melodious violin sound from Shuguang 211 Vacuum Tube amplifier & HIFI 2 way bookshelf speaker

Vacuum tube 211 is a self-heating three-pole vacuum tube for class A, B, C amplification, which is similar to GL-211 UV-211 and can be used interchangeably.

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Shuguang Vacuum Vacuum Tube 211 For Tube Amplifier Replace GL-211 UV-211

Thursday, June 23, 2022

IWISTAO 6.5 Inch Labyrinth Speaker with Paper Cone

Demo video

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IWISTAO 6.5 Inch Labyrinth Empty Speaker Cabinet

Tuesday, June 14, 2022

DIY IWISTAO 6N3 Vacuum Tube Preamplifier Finished Board SRPP Circuit

This is a finished vacuum tube preamplifier board with standard SRPP circuit. The preamplifier tube uses 6N3, and the rectifier uses 6Z4 tube rectifier. The background noise is better controlled, making sound better. The board is debugging-free, simple to make and design is reasonable, the noise is relatively low, also there is no impulse current at startup, and a speaker protection circuit is added.