Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

busco un modelo de radio de fonolita
#6

Hola locuspiolin.
Es necesario que pongas los códigos de las lámparas y unas fotos del chasis por arriba y por abajo para ver si encuentran algún esquema que te pueda valer de ayuda.
Encontrar un esquema generico con las válvulas que lleva tu radio es más o menos fácil.
Encontrar el esquema exacto va a ser muy dificil, por no decir imposible.


It is a BC/SW spanish brandless kit with early "american" tubes and tone contol.
You need a generic scheme.

Without a doubt.
Made by somebody in late 40's or early 50's, with early 30's tubes and fixed in 50's with a B8A base.
For AZ41 (4V direct heating rectifier) or EL41 (power pentode) ?
The cabinet's style is from late 40's, early 50's.
The speaker shurely is electrodynamic without anti-hum coil.
It seems it was built with the tubes what they found by the drawers ...
It is very weird using tubes with 2,5V heatters at early 50's.

I think they could have used 80, 42, 75, 6D6, 6A7, or maybe octal tubes (5Y3, 6V6, etc).
Or better, Rimlock tubes with base B8A (AZ41, EL41, EAF42, EAF42, ECH42).

It isn't wood or bakelite.
The cabinet is really made of plaster or white cement or ceramic like bricks
with something else inside to reinforce the structure.
Maybe wire netting or/and some type of bandage.
And the front is made with a mold to give it a snake skin look.

Phonolite is a rare type of volcanic stone:
https://en.wikipedia.org/wiki/Phonolite

This phonolite cabinet is not mine, pics found in Internet.
Look at Rimlock base B8A tubes:
[Image: http://thumbs.subefotos.com/fa351d92da20...ed5cao.jpg] [Image: http://thumbs.subefotos.com/2469ee412ecc...951beo.jpg] [Image: http://thumbs.subefotos.com/bbccd082831f...7df15o.jpg]


Messages In This Thread
RE: busco un modelo de radio de fonolita - by sam - 05-28-2020, 12:34 PM
RE: busco un modelo de radio de fonolita - by JRomero - 05-29-2020, 04:45 PM



Users browsing this thread: 2 Guest(s)
[-]
Recent Posts
Eico 368 TV/FM Sweep Generator
Ron, for the future: In order to change the name of teh topic, 1. Go to the very first post. 2. Hit "Edit...morzh — 04:29 PM
6TPZ and 5TPO Radio Help
Transistors are easy. No converters. If you have input voltage, then just put some signal through. Or touch your fin...morzh — 04:25 PM
462ron
Hi Mike, I believe I tried different ways to change the header for my post but no luck. Anyway thanks for changing it fo...462ron — 04:02 PM
6TPZ and 5TPO Radio Help
Since these radios operated in harsh environments (temp changes and vibration) you could touch a soldering iron to all t...GarySP — 03:18 PM
6TPZ and 5TPO Radio Help
Thank you Gary. Hi Morzh. These radios are 6 transistor radios. Sadly no tubes. Thanks though.R3Sons — 02:19 PM
Heathkit Sweep Generator TS-4
Ron Instead of Quick reply, go to New Reply, then go to the title of the very first post, and change the title text the...morzh — 02:00 PM
6TPZ and 5TPO Radio Help
I am not a specialist in car radios. I suspect they might use vibrators to convert 12V to acceptable tube voltages, so ...morzh — 01:58 PM
6TPZ and 5TPO Radio Help
Welcome to the Phorum, R3Sons! I have very limited experience with car radios other than installing custom radios back ...GarySP — 01:08 PM
462ron
OK, I need to rename this thread to say..Eico 368 TV/FM Sweep Generator instead of the current title..Heathkit Sweep Gen...462ron — 12:49 PM
6TPZ and 5TPO Radio Help
Hello, I have a Philco (Ford) 6TPZ and a 5TPO radio.  I replaced the electrolytic capacitors in both.  I have the SAMS m...R3Sons — 12:29 PM

[-]
Who's Online
There are currently 10081 online users. [Complete List]
» 1 Member(s) | 10080 Guest(s)
Avatar

>