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Tech Talk

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Western Electric 717A pentode sub for 12SK7 in tube 'AA5' radio
 Wa2ise's avatar Started by: Wa2ise at
12:04:06 PM on 20 June 2023
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Audio Playback Levels from Pre-recorded Sources.
 Labrat's avatar Started by: Labrat at
4:44:18 PM on 12 June 2023
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Montgomery Ward Airline Model 84KR-1520A
 Tallar Carl's avatar Started by: Tallar Carl at
8:11:55 AM on 9 June 2023
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Silicon chip IF alignment gen 2017
 Irext's avatar Started by: Irext at
4:46:20 PM on 4 June 2023
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Kriesler 11-97 Sound
 Monaro's Gravatar Started by: Monaro at
11:57:50 AM on 2 June 2023
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STC 528
 Sandbar40's Gravatar Started by: Sandbar40 at
10:27:06 AM on 1 June 2023
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Four valve neutrodyne
 Simplex's Gravatar Started by: Simplex at
3:04:43 PM on 31 May 2023
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Radio & Hobbies Radio Identification
 Comalco's Gravatar Started by: Comalco at
12:20:18 PM on 29 May 2023
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HMV 887
 Comalco's Gravatar Started by: Comalco at
11:23:41 AM on 29 May 2023
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A battery set with 3 I.F Cans ! Why?
 Tallar Carl's avatar Started by: Tallar Carl at
10:32:26 PM on 17 May 2023
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PHILIPS MODEL 124 SCHEMATIC
Tallar Carl's avatar Started by: Tallar Carl at
9:23:43 AM on 8 May 2023
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PALEC VCT-3 Valve Tester Schematic and Rework
 Comalco's Gravatar Started by: Comalco at
1:04:29 PM on 7 May 2023
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A box of dirty valves
 Graechel's Gravatar Started by: Graechel at
4:34:47 PM on 30 April 2023
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Airzone 609 Restoration - Operating but Some Weird Field Capacitance or something
 Aaron's Gravatar Started by: Aaron at
2:34:37 PM on 26 April 2023
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STC 536 Radio Output Transformer.
 Irext's avatar Started by: Irext at
3:17:16 PM on 22 April 2023
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Using a CRO
 STC830's Gravatar Started by: STC830 at
6:00:57 PM on 20 April 2023
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Trying to connect Pye 12G-15 8' to RF modulator
 Some Generic Nerd's Gravatar Started by: Some Generic Nerd at
10:06:41 PM on 11 April 2023
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Kit set i need I.D on.
 Tallar Carl's avatar Started by: Tallar Carl at
2:26:44 PM on 9 April 2023
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1200 ohm to 3.5 ohm.rola speaker trans
 Tallar Carl's avatar Started by: Tallar Carl at
3:15:54 PM on 17 March 2023
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AWA 500m low volume
 Tallar Carl's avatar Started by: Tallar Carl at
9:25:40 AM on 13 March 2023
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Finding the outside foil lead of capacitors
 STC830's Gravatar Started by: STC830 at
8:48:32 AM on 11 March 2023
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Any info on this Rola speaker?
 BP's Gravatar Started by: BP at
2:03:29 PM on 28 February 2023
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Solar Batteries
 Tallar Carl's avatar Started by: Tallar Carl at
8:13:19 PM on 14 February 2023
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Mullard 98
 Rogermark's Gravatar Started by: Rogermark at
1:14:26 PM on 10 February 2023
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Oscillation in STC 830 radio
 STC830's Gravatar Started by: STC830 at
7:17:43 PM on 9 February 2023
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Switch irregularity
 Tallar Carl's avatar Started by: Tallar Carl at
3:29:26 PM on 1 February 2023
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Octal No 1 pin soldered to shield base rivet
 STC830's Gravatar Started by: STC830 at
1:27:40 PM on 1 February 2023
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Cadet M5: Frustrating
 Marcc's avatar Started by: Marcc at
12:47:40 AM on 7 January 2023
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Kriesler duplex 41-9 info
 Flukeoneseventyfive's Gravatar Started by: Flukeoneseventyfive at
11:58:55 AM on 19 December 2022
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6B7-S variant
 DangerousDave's Gravatar Started by: DangerousDave at
1:31:02 PM on 17 December 2022
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Philips I.F cans.
 Tallar Carl's avatar Started by: Tallar Carl at
10:43:04 AM on 14 December 2022
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Electrola Cocktail Bar Radiogram
 Benccoz's Gravatar Started by: Benccoz at
5:16:28 PM on 12 December 2022
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Help with early 70's Astor Car Radio?
 BP's Gravatar Started by: BP at
10:07:48 AM on 8 December 2022
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Steepletone Multi-Band Receiver MBR 7
Ronb's Gravatar Started by: Ronb at
6:13:38 PM on 26 November 2022
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LED Solid State Panorama Precor Radio
 Ronb's Gravatar Started by: Ronb at
6:09:55 PM on 26 November 2022
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Monarch version of Astor DJ2152
 Tallar Carl's avatar Started by: Tallar Carl at
2:55:38 PM on 24 November 2022
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What Model HMV Mantel is this one?
 Kakadumh's Gravatar Started by: Kakadumh at
6:44:37 PM on 21 November 2022
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EZ 41 VALVE
 Bowler's Gravatar Started by: Bowler at
11:54:23 AM on 17 November 2022
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Best way to reduce voltage from the power transformer?
 Robbbert's avatar Started by: Robbbert at
8:59:25 AM on 15 November 2022
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Sometimes it IS a bad tube
 Wa2ise's avatar Started by: Wa2ise at
11:50:28 AM on 13 November 2022
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Seeking a good home for some Vibrators
 Labrat's avatar Started by: Labrat at
6:22:14 PM on 12 November 2022
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110 volt American Set that needs a earth.
 Tallar Carl's avatar Started by: Tallar Carl at
10:52:26 AM on 10 November 2022
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Repairing Video Tape Recorders. “The way I do it.”
 Labrat's avatar Started by: Labrat at
5:12:42 PM on 30 October 2022
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AWA model 508M
 Bowler's Gravatar Started by: Bowler at
10:56:24 AM on 30 October 2022
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Oak Vibrator
Bowler's Gravatar Started by: Bowler at
3:41:13 PM on 16 October 2022
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Sourcing 7 pin Miniature Valve Sockets
 Brins's Gravatar Started by: Brins at
12:20:37 PM on 15 October 2022
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My 1920s sets
 Tallar Carl's avatar Started by: Tallar Carl at
8:23:27 AM on 14 October 2022
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RFI from Solar Inverters.
 Irext's avatar Started by: Irext at
4:01:08 PM on 12 October 2022
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TRF Set
 Zed's Gravatar Started by: Zed at
2:21:05 PM on 7 October 2022
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Hot Chassis
 Tallar Carl's avatar Started by: Tallar Carl at
8:30:58 AM on 7 October 2022
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PYE TS12 radiogram
 Zzmcorlis's Gravatar Started by: Zzmcorlis at
8:41:34 PM on 4 October 2022
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Need tech help for a Hickok USM118 tester
 Plasmod's Gravatar Started by: Plasmod at
1:26:52 PM on 1 October 2022
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RFI from HPM power board
 Simplex's Gravatar Started by: Simplex at
7:01:53 AM on 25 September 2022
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Resurrection of the AWA P1
 Robbbert's avatar Started by: Robbbert at
2:49:28 PM on 19 September 2022
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Astor and Philips Freebies
 Tallar Carl's avatar Started by: Tallar Carl at
4:35:22 PM on 18 September 2022
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A little project for Holden Owners.
 Labrat's avatar Started by: Labrat at
6:40:14 PM on 17 September 2022
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Replica Power Cord and Line Resistor
 GrahamH's Gravatar Started by: GrahamH at
12:35:32 PM on 15 September 2022
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Watch out for old silver mica capacitors
 Simplex's Gravatar Started by: Simplex at
11:33:12 AM on 12 September 2022
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Tasma M1331T Audio output transformer
 Simplex's Gravatar Started by: Simplex at
11:16:55 AM on 12 September 2022
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Palec multimeter and radio tester.
 Simplex's Gravatar Started by: Simplex at
9:11:39 AM on 26 August 2022
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6F6 question
Tallar Carl's avatar Started by: Tallar Carl at
3:09:44 PM on 25 August 2022
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Schematics for Eleectrosound 634
 Normf's Gravatar Started by: Normf at
8:54:38 PM on 23 August 2022
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A bit of 'fun' Edurmaction from the 1950's
 OldButLearning's avatar Started by: OldButLearning at
7:42:54 PM on 18 August 2022
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Learning how to generate electricity.
 Tallar Carl's avatar Started by: Tallar Carl at
8:31:26 AM on 17 August 2022
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Mains earthing of radios
 Simplex's Gravatar Started by: Simplex at
8:27:19 AM on 16 August 2022
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Cotton Covered Power Cable.
 DangerousDave's Gravatar Started by: DangerousDave at
10:11:42 PM on 14 August 2022
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1930's Humour, & Old Tuning Caps!!
 OldButLearning's avatar Started by: OldButLearning at
9:03:27 PM on 11 August 2022
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Need schematic of Airzone 6641A
 Robbbert's avatar Started by: Robbbert at
12:43:22 PM on 1 August 2022
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Bush Radio
 Bowler's Gravatar Started by: Bowler at
5:03:54 PM on 29 July 2022
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More thoughts on measurement.
 Gandhn's Gravatar Started by: Gandhn at
11:59:22 AM on 20 July 2022
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