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.
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.
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.
Diyer said that it is easy to assemble it, you may fix the boards with screws and nuts after coat glue between the boards, then use a hand saw to saw the ribs, easy to cut when assembled.
This video is made by a real audiophile, who used a pair IWISTAO Labyrinth Empty Cabinet and his full range pioneer speaker units to diy his labyrinth speakers.
Now, the 2 to 4 inches oak full range labyrinth speaker cabinet hit the market now. You just need to select your full range unit speaker unit and install them in the cabinet only, so easy!
Select your need cable and define its cross section and length.If there is a large current from your power amplifier to the speaker, you will select related high cross section of the cable.Here, we make a speaker interconnection cables for a 10W speaker, so its cross section is smaller.
There are three output powers commonly used, rated output power, maximum output power and music power. Here is tube amplifier as an example.
The Video is for a Bluetooth 5.0 Decoder + 2pcs Mono FU50 Single-ended Tube Amplifier + HIFI 3 Inch Full Range Speakers.
When selecting an electronic tube, we should determine the appropriate tube type according to the characteristics and requirements of the specific application circuit firstly. Secondly, it should be ensured that parameters of the selected tube meet the requirements of the application circuit, especially the limit parameters must have sufficient margin.
Vacuum tube FU50 is known as the small 300B and close to tube 300B, but the price is much lower than tube 300B, its treble is fine, extension is very good, overtone is excellent, and the vocals are very cordial. Listening to the original sound of the Dream of Red Mansions can feel that it is super strong; listening to symphony and string music is very good, violin is very delicate, more worth playing than the tube EL34.
The primary of tube amplifier output transformer generally has two, three and five connection terminals.
The circuits of single tube type class A amplifier Among them include:
