408
Item nr.
Furniture to set up your radio installation
| Production | The Netherlands, 1995. |
|---|---|
| Cabinet | Wood. Size 50x55x35cm. |
| Obtained | 6/2015 from Activiteitenmarkt. |
|---|---|
| Condition | 7. |
| Disposed | Scrapped 3/2020. |
| Sound sample | PLAY SOUND Mommy, I want a satellite! |
The radio needs two sources of low voltage. The filaments would be supplied by a 4V battery. For this I use aLab31 LB-PB220 power bank with a cable that reduces the 5V USB voltage to 4V by a series diode. The bias battery for the ouput tube is a somewhat depleted 9V P-blok with banana connector.
More expensive was the plate voltage (B voltage) of 90V. It was supplied by batteries or a battery eliminator (right), but I use for my battery radios a rechargeable pack of ten P-cells, giving the right voltage of 90V. I charge the batteries with a home-built charger.
On top of the cabinet you see an old speaker. Of course, to receive anything, the radio needs to be connected to an aerial and ground. Everything is connected with banana plugs, so be a little careful not to swap any wires. When you listen, the back looks like an old phone switchboard as can be seen on the right.
Instead of an easy to operate band switch, the set comes with a large set of coils, and the receive other wavelengths, one needs to manually pull a coil and replace it by one of the other coils. In case something does not work, it helps to be able to measure the tubes, so the drawers could contain a tube tester like this PJ4. And possibly some spare tube as well, but more often, a new tube would be purchased only when needed, and the drawer would contain the dead tubes.