Vacuum Tube Regenerative Radio Receiver Kit

Demonstration of assembly of a vacuum tube regenerative (regen) radio receiver kit for the AM (medium wave) broadcast band. This kit was from a company in Japan. Item no longer available. Here's the replacement: http://www.hlj.com//product/GAK05465

Category:

Education

Tags:

• vacuum
• tube
• valve
• regenerative
• radio
• receiver
• electronic
• kit
• regen

[zunzhinedude]

Hi, I just bought one of these kits myself. Two questions:

What frequency range does it cover, and, was the sound from your local stations

recorded from the earphone plug, or from your digicams mic?

[VA3TY]

@zunzhinedude It covers the Medium Wave band. Approximately 510 KHz to 1710 KHz. You can add capacitance to lower the range or as I have done, build another coil winding with fewer turns to raise the frequency range. It becomes much more difficult to tune at higher frequencies. I've been able to get up to the 160 and 80 metre Amateur Band to copy CW, but it's not stable and drifts. Forget about SSB, though possible on the 160m band the stability makes voice copy difficult at best.

[diyprojects]

I need help with my kit. It does nothing but hum and it is very quiet.

[VA3TY]

The most troublesome area is the connection of the loop antenna. If you wind it incorrectly it won't work. You must wind all the time in the same direction for every loop.

Next you must connect all wires from the antenna correctly. If two are switched backwards, you won't get regeneration.

I suggest you go over the antenna and verify everything is done correctly.

Good luck!

[zunzhinedude]

@VA3TY Hi, thanks for taking the time to answer. I look forward to try it out, I love this kit. Maybe i can use it pick up your local 20s format radio station from here in Norway. :)

[Ferroless]

just found it in Mita local shop, wonder shall I by it for creating steampunk mode or better not?

[cassetteman1]

The tube is not for decoration? because according to my conaissances, a tube runs from the very high voltage, or it works with batteries! thank you for letting me know.

[PWBERRETT]

Link for website

use website mentioned in video and add

/product/GAK05465

[hydrolisk1792]

OMFG, that thing looks like a piece of garbage. I LOVE old tube radios and stuff like that and I can;t believe that a tube radio was made in Japan, WTF is the world comming to!!! I'll bet those are REPRO tubes too that weere made in freaking China. No thanks, I'll build my own from scratch with quality parts and withouy a freakingn PCD. The beauty of the older radios were the "floating" components :) Nice design, but don't prefer plastic on something like that.

[racedinghy]

please note

you can build from scratch

a better regen receiver

for less money

even if you need to buy all the parts from

Antique Electronics supply

and

your home brew receiver will not look like

a strange kinda plastic thing