1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration

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

Linear Mode
Philco 34 using 2A7 on Breadboard
Ron Ramirez
Silent Key
*****
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#2

09-19-2013, 08:49 PM
Don't do it, the 2A7 is a 2.5V tube for AC receivers, the 1C6 is also a pentagrid converter but specifically designed for battery operation. I think your time would be better spent studying electronics theory instead. One man's opinion, that's all, no offense intended.
--
Ron Ramirez
Ferdinand IN
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Philco 34 using 2A7 on Breadboard - by marty - 09-19-2013, 08:28 PM
RE: Philco 34 using 2A7 on Breadboard - by Ron Ramirez - 09-19-2013, 08:49 PM
RE: Philco 34 using 2A7 on Breadboard - by marty - 09-20-2013, 08:40 AM
RE: Philco 34 using 2A7 on Breadboard - by marty - 09-20-2013, 10:39 AM
RE: Philco 34 using 2A7 on Breadboard - by marty - 09-20-2013, 12:44 PM
RE: Philco 34 using 2A7 on Breadboard - by marty - 09-21-2013, 11:47 AM



Users browsing this thread: 3 Guest(s)
[-]
Recent Posts
6TPZ and 5TPO Radio Help
Quick progress report: X7 is broken. Only one leg soldered, the other missing and the diode is cracked. I've replaced...R3Sons — 05:05 PM
6TPZ and 5TPO Radio Help
Oh...and you have electrolytic caps there. All need to go and be replaced.morzh — 04:36 PM
6TPZ and 5TPO Radio Help
Thanks, will do.R3Sons — 01:25 PM
1930s Stewart-Warner Tombstone Radio need help identifying model number
UPDATE: I was able to pick up a signal generator on the cheap (amazingly enough) on feebay and I did an IF alignment fol...captainclock1988 — 09:53 AM
Philco 91 Schematic
Hi Rod, The resistor connects to pin 4 and the ungrounded side of block 9. From pin 9 of the RF tube to one side of ...dconant — 09:34 AM
Just got a 49-1613 need to know...everything!
I just found your post. I have this exact same model, and have had it since 1985 when I was 15 years old! I performed a ...MuzzcoVW — 09:11 AM
B&K 1077B no video
Hello Tim, I would if it's a leaky Capacitor So are all 3 of those B- voltages low then ? Sincerely Richardradiorich — 01:55 AM
B&K 1077B no video
I found a schematic and think I have the problem traced down to the minus power supply. I have very low voltages that go...TV MAN — 12:41 AM
RCA 15X
I'd try replacing the bulb first and if that doesn't do it, then change the 35Z5 and see if the problem goes away.NostalgiaRadioTime — 12:28 AM
B&K 1077B no video
Hello Tim, I have that exact unit in my shop too plus a Sencore unit there are times I like one or other !!. Sincerely...radiorich — 11:07 PM

[-]
Who's Online
There are currently 5931 online users. [Complete List]
» 2 Member(s) | 5929 Guest(s)
AvatarAvatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration