How to build a tube FM tuner with IWISTAO tube FM PCB kits

How to build a tube FM tuner with IWISTAO tube FM PCB kits

There are some key components for the tube fm radio tuner PCB. You may select them and assemble your tube FM tuner, then connect power amplifier and speakers after soldering and tuning this PCBA, the system will work, at that time you may enjoy warm and soft tube sound, full vacuum tube taste...

IWISTAO Mid Cycle Inductance Kit for Tube FM Radio Tuner 1 pc frequency detector and 4 pcs Mid Cycle Inductance

PCB + Mid Cycle Inductance Kit

You may select a power transformer according to your local voltage.

IWISTAO Power Transformer EI Output Voltage 230V-0-230V 6.3v 11V for Tube FM Tuner 110/220V/240V

After soldering and tuning, you will get a finished PCBA.

IWISTAO Tube FM Stereo Radio Tuner Finished PCBA Preamplifier Version

There is a demo video for the PCBA with power amplifier and speakers.

More details, please find https://www.iwistao.com/collections/tube-fm-radio-tuner/products/iwistao-tube-fm-stereo-radio-tuner-finished-pcba-preamplifier-version-no-including-power-transformer

IWISTAO Electronical 2 Way Crossover Preamp HIFI Linkwitz-Riley filter 4...

Crossover PCBA is constituted by renowned Linkwitz-Riley filter. Linkwitz-Riley filter, mainly for the active filter circuit, for example, it is used in many sophisticated multi-way electronic crossover systems. The characteristics of this filter is up to 4 stages attenuation slope, in other words, every one octave frequency sound energy will be attenuated 24dB, i.e. attenuation slope of -24dB / Oct (Oct ie Octave, an octave interval of the mean). Meanwhile, in the entire audio band (20Hz-20kHz), Linkwitz-Riley filter has a very flat phase response, which is far better than Butterworth filter after filter signal, no phase distortion, which is widely admired by audiophiles.

Although many friends put a lot of money and efforts to preamplifier, unfortunately they may experiences a little frustration in final output. It is hardly difficult to solve this problem to use excellent pre-divider circuit of preamplifier plus multiple power amplifiers, our series of electronic crossover board and amplifier board can perfectly realize your dreams!

More details, please visit https://www.iwistao.com/collections/hifi-tube-preamplifier/products/electronical-2-way-crossover-preamplifier-hifi-linkwitz-riley-filter-4-channel-output-crossover-point-2-2k-hz-customized

Tube Earphone Amplifier 12 ~ 600 ohms Russian 6922H Pre-amp Class A Amp HIFI Constant Current Simple No Casing Audio DIY High Quality

Tube Earphone Amplifier 12 ~ 600 ohms Russian 6922H Pre-amp Class A Amp HIFI Constant Current Simple No Casing Audio DIY High Quality 

It is a high value and cute headphone amplifier hook up to your PC / Mp3 /MP4/ Tablet / any stereo devices. You can have a powerful, dynamic and sweet TUBE SOUND from your headphone! You’ll be astounded at the improvement in sound quality, dynamic range, meticulous transparency, completely demonstrate its high performance and analytical ability, it can also connect with power amplifier such as a high performance pre amplifier to improve your HIFI system.

 

More details, please find https://www.iwistao.com/products/earphone-amplifier-12-600-ohms-russian-6922h-preamp-class-a-amp-hifi-constant-current?_pos=1&_sid=594ae2301&_ss=r

IWISTAO 2X300W HIFI Stereo Discrete Component Power Amplifier Finished Board High Power Differential Amplification Input WY2963/WK5688 Output

IWISTAO 2X300W HIFI Stereo Discrete Component Power Amplifier Finished Board High Power Differential Amplification Input WY2963/WK5688 Output

This is a stereo high-power finished PCBA power amplifier board which is made of discrete components, and its maximum power is up to 300W+300W.


The input stage adopts American power differential transistors and medium power one for differential amplification to make its sound pure and soft. The output stage adopts 6 pairs of US WY2963/WK5688 power pair transistors, and 2 pcs high-precision temperature compensation one with constant current amplification designing, let its sound is more beautiful and delicate and sweet; And, the protection circuit uses imported Omron relay; RC component uses high-precision fever components to ensure the consistency of the materials used in the whole unit.

More details, please find https://www.iwistao.com/products/iwistao-2x300w-hifi-stereo-discrete-component-power-amplifier-finished-board-differential-amplification-input-wy2963-wk5688-outp

IWISTAO Finished Tube FM Stereo Tuner Stainless Steel Chassis

WISTAO Finished Tube FM Stereo Tuner Stainless Steel Chassis Black Aluminum Panel HIFI Audio 110V/220V

This unit is a typical superheterodyne radio. It adopts a whole circuit board design that include high frequency receiving, intermediate frequency amplification, limiting, frequency discrimination, stereo decoding, preamplification, etc. The output is stereo signal. It can be connected with various types of tube power amplifiers, active speakers, stereo equalization amplifiers and other equipments.

The specific circuit configuration is as below, high frequency receiving adopts double triode 6N3 for high frequency amplification and mixer amplification, and double triode 6N1 for local oscillation. The IF amplification uses a two-stage pentode 6K4, two-stage limiting, and a pentode 6J4. Phase frequency discrimination, stereo decoding uses TA7343, the decoded audio signal is switched to the double triode 6N2, and then the signal output to preamplification with a 5 times gain.

It is made of stainless steel chassis with black, and the front panel with 8mm thick aluminum plate. On the front panel, there are dual level meters to display audio signal level, and the digital frequency meter display FM reception frequency. Electronic tube with a modern digital frequency meter that is complementing each other with nice, classical and elegant style, maybe the frequency display board of the wireless receiver is the designer's wisdom. The right corner of the unit has a knob to manually tune the radio. All tubes are exposed at the top plate for heat dissipation purpose, and equipped with cat eye indicator behind the front panel. The whole structure of the tuner is compact, components layout had been optimized to be more reasonable.

More details, please find here https://www.iwistao.com/products/iwistao-finished-tube-fm-stereo-tuner-stainless-steel-chassis-black-aluminum-panel-hifi-audio-110v?variant=18467306602611