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

Philco model 18 (code 121) - HELP!

Here are the voltages I took on Saturday 5/4.

Circuit I.F. Det. Osc. R.F. 2nd Det & 1st A.F.
Tube Type 78 RESULTS 6A7 RESULTS 78 RESULTS 75 RESULTS

Filament Volts: F to F 6.3 [5.9] | 6.3 [5.9] | 6.3 [5.9] | 6.3 [5.9]
Plate Volts: P to K 210 [272] | 210 [246] | 210 [272] | 120 [192]
Screen Grid Volts: SG to K 80 [85.3] | 80 [88.7] | 80 [88.7] | N/A [N/A]
Control Grid Volts: CG to K 0.3 [0.0] | 0.15 [3.18] | 5.3 [0.0] | 0.3 [1.42]
Cathode Volts: K to F 2.8 [9.3] | 2.8 [5.9] | 5.3 [12] | 0 [2.8]
G1 to K N/A [N/A] | 35 [12.4] | N/A [N/A] | N/A [N/A]
G2 to K N/A [N/A] | 130 [109.7] | N/A [N/A] | N/A [N/A]



Circuit Driver 2nd A.F. Output (Class "A") Rectifier
Tube Type 42 RESULTS 42 RESULTS 42 RESULTS 80 RESULTS

Filament Volts: F to F 6.3 [5.9] | 6.3 [6.0] | 6.3 [6.0] | 5.0 [ 4.7]
Plate Volts: P to K 205 [258] | 280 [292] | 280 [272] | 350 [365]
Screen Grid Volts: SG to K 200 [257] | 300 [292] | 300 [272] | N/A [N/A]
Control Grid Volts: CG to K 0.35 [15] | 28 [27] | 28 [27] | N/A [N/A]
Cathode Volts: K to F 0 [0.0] | 0 [0.0] | 0 [0.0] | N/A [N/A]
G1 to K N/A [N/A] | N/A [N/A] | N/A [N/A] | N/A [N/A]
G2 to K N/A [N/A] | N/A [N/A] | N/A [N/A] | N/A [N/A]


Messages In This Thread
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-07-2013, 09:22 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-08-2013, 09:32 PM
RE: Philco model 18 (code 121) - HELP! - by Arran - 02-08-2013, 09:49 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-09-2013, 01:21 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-09-2013, 04:57 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-09-2013, 05:12 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-13-2013, 07:40 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-21-2013, 04:25 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 02-28-2013, 05:04 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 03-07-2013, 03:16 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 03-07-2013, 10:20 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 04-17-2013, 12:25 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 04-18-2013, 07:48 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 04-18-2013, 08:49 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 04-29-2013, 09:02 PM
RE: Philco model 18 (code 121) - HELP! - by Pithicus999 - 05-07-2013, 10:16 AM
RE: Philco model 18 (code 121) - HELP! - by morzh - 06-12-2013, 12:37 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 06-13-2013, 07:33 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 07-23-2013, 09:33 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 07-24-2013, 10:11 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 08-02-2013, 04:06 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 08-21-2013, 09:26 AM
RE: Philco model 18 (code 121) - HELP! - by morzh - 12-17-2013, 09:58 AM
RE: Philco model 18 (code 121) - HELP! - by morzh - 12-19-2013, 11:47 AM
RE: Philco model 18 (code 121) - HELP! - by morzh - 12-19-2013, 07:48 PM
RE: Philco model 18 (code 121) - HELP! - by morzh - 01-17-2014, 03:05 PM



Users browsing this thread: 1 Guest(s)