1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Home Radios
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Bright orange screen grid
Ron Ramirez
Silent Key
*****
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#14

07-27-2009, 10:01 AM
Music in a bottle Wrote:Ron, would it be advisable to run the model 70 sets with a Variac to get the correct operating line voltage? What line voltage were these sets designed around?

You could use a Variac, but a lot of guys use a transformer setup to "buck" the line voltage to a lower level. Maybe Ed Locker or someone else who has done this will chime in here with details. (I haven't built one, but I have one that Ed built.)

At the time the Model 70 was built, 110 volts was apparently the norm, with 115 being the upper limit. Now, 125 is the norm, and mine has run as high as 128. Old radios do not like this higher line voltage.
--
Ron Ramirez
Ferdinand IN
Find
« Next Oldest | Next Newest »


Messages In This Thread
Bright orange screen grid - by Steve Davis - 07-23-2009, 11:48 PM
Re: Bright orange screen grid - by kruc - 07-24-2009, 01:15 AM
Re: Bright orange screen grid - by Arran - 07-24-2009, 06:54 AM
Re: Bright orange screen grid - by Ron Ramirez - 07-24-2009, 09:13 AM
Re: Bright orange screen grid - by Arran - 07-24-2009, 06:46 PM
Re: Bright orange screen grid - by Ron Ramirez - 07-24-2009, 06:58 PM
Re: Bright orange screen grid - by Steve Davis - 07-24-2009, 07:47 PM
Re: Bright orange screen grid - by kruc - 07-25-2009, 05:39 AM
Re: Bright orange screen grid - by Ron Ramirez - 07-25-2009, 10:35 PM
Re: Bright orange screen grid - by kruc - 07-26-2009, 04:53 AM
Re: Bright orange screen grid - by codefox1 - 07-26-2009, 12:57 PM
Re: Bright orange screen grid - by kruc - 07-26-2009, 02:07 PM
Re: Bright orange screen grid - by Ron Ramirez - 07-27-2009, 10:01 AM
Re: Bright orange screen grid - by kruc - 07-28-2009, 03:56 AM
Re: Bright orange screen grid - by Alan Douglas - 07-28-2009, 12:32 PM
Re: Bright orange screen grid - by Arran - 07-28-2009, 06:18 PM
Re: Bright orange screen grid - by kruc - 07-29-2009, 05:57 AM
Re: Bright orange screen grid - by Arran - 07-29-2009, 08:11 PM
Re: Bright orange screen grid - by kruc - 07-30-2009, 02:29 AM



Users browsing this thread: 4 Guest(s)
[-]
Recent Posts
trying to identify this wire type
Here's one source for your wire of many. Take care and BE HEALTHY! GaryGarySP — 06:40 PM
trying to identify this wire type
...and modern wire of the appropriate gauges and insulation V-rating (300V minimum, usually shown right on the wire) is ...morzh — 05:47 PM
1930s Stromberg-Carlson Tombstone Radio need help identifying model number
I have a question about this radio, is there anyone that has access to this radio that has an intact unmolested speaker ...captainclock1988 — 04:28 PM
1930s Stromberg-Carlson Tombstone Radio need help identifying model number
Well what makes me confuse all of those companies is that all three of those companies (Setchell-Carlson, Stromberg-Carl...captainclock1988 — 04:21 PM
trying to identify this wire type
The red wire is rubber covered wire. The others are cotton braid over rubber often in colors or a tracer, also strand...Chas — 02:43 PM
trying to identify this wire type
Greetings Phorum members, Hope you can help me identify this type of wire in the photo I have attached.  I am not sure ...georgetownjohn — 01:53 PM
Philco 60 Squealing
All correct shields must be in place, all tubes correct no subs of any kind. Check any soldered, riveted ground conne...Chas — 01:24 PM
Philco 60 Squealing
I have recapped and replaced out of tolerance resistors and so on. Radio plays nicely on fairly strong stations. The pro...dconant — 10:55 AM
Philco 46-420 Code 121 Reception issues
Welcome Eric, I agree with Bob and far as the two main electrolytic filter capacitors did you change them yourself or w...radiorich — 11:43 PM
Philco 46-420 Code 121 Reception issues
You mentioned the Philco manual and going through the check points...just to be sure we're on the same page here's the m...klondike98 — 08:13 PM

[-]
Who's Online
There are currently 4335 online users. [Complete List]
» 1 Member(s) | 4334 Guest(s)
Avatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Home Radios