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Tech Talk

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Bias batteries in mains-powered radios?
 Ian Robertson's Gravatar Started by: Ian Robertson at
5:11:42 PM on 11 May 2020
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Silver Radio - Model 8S - 45 (All Transistor) MW / SW1 / SW2 - Threading Radio Tuner Dial & Volume Potentiometer
 Tedantique's Gravatar Started by: Tedantique at
3:35:58 PM on 8 May 2020
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Little Nipper from Australia
 6A8G's Gravatar Started by: 6A8G at
7:26:14 AM on 26 April 2020
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Philips NG1030 parts
Scotty's Gravatar Started by: Scotty at
11:06:00 PM on 16 April 2020
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HMV circuit
 Marcc's avatar Started by: Marcc at
11:35:31 AM on 16 April 2020
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European Philips speaker baffle plate.
 Johnny's avatar Started by: Johnny at
1:59:07 PM on 14 April 2020
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UPS for 1950s HMV
 SBR's Gravatar Started by: SBR at
6:23:29 PM on 13 April 2020
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The crackling 6M5
 Ian Robertson's Gravatar Started by: Ian Robertson at
8:07:03 PM on 11 April 2020
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Kriesler 11-77/78
 Padge's Gravatar Started by: Padge at
7:10:45 PM on 9 April 2020
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Ferris M134 MK ll
Jimb's Gravatar Started by: Jimb at
3:45:33 PM on 9 April 2020
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Kingsley Ferrotune schematic
 JFB's Gravatar Started by: JFB at
1:28:44 PM on 9 April 2020
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How many watts from a 300b cathode-follower?
 NewVista's avatar Started by: NewVista at
2:42:20 AM on 9 April 2020
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Polyphonic Analogue Synthesiser theory
 NewVista's avatar Started by: NewVista at
12:00:17 AM on 9 April 2020
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Valve defect
 Vintage Pete's avatar Started by: Vintage Pete at
11:32:52 PM on 6 April 2020
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Repurposing a RG45 jack off a bad cable to occupy a port you don't want to use
 Wa2ise's avatar Started by: Wa2ise at
10:57:01 AM on 6 April 2020
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Carbon pot characteristics & tap value for 1939 Hotpoint bandmaster 198DE
 Duconbuster's Gravatar Started by: Duconbuster at
8:10:27 PM on 5 April 2020
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AWA CHAMPION 4 429 MA question for Brad
 Tallar Carl's avatar Started by: Tallar Carl at
10:19:06 PM on 2 April 2020
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Help! Identify my radio
 Audioaaron's avatar Started by: Audioaaron at
9:48:32 PM on 2 April 2020
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Philips RF4
 Scotty's Gravatar Started by: Scotty at
8:55:16 PM on 1 April 2020
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Nordmende Elektra 58 What is the IF blocking circuit?
 Tippy's Gravatar Started by: Tippy at
8:09:08 PM on 28 March 2020
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Just repaired a Channel Master CM7000 digital to analog NTSC converter box
 Wa2ise's avatar Started by: Wa2ise at
7:11:05 AM on 19 March 2020
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Analogue circuit Question
 NewVista's avatar Started by: NewVista at
3:21:48 PM on 12 March 2020
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Phillips battery portable 111D
 Jimb's Gravatar Started by: Jimb at
2:03:26 PM on 5 March 2020
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Aussie vintage radio restorer on YouTube
 GTC's avatar Started by: GTC at
10:19:00 PM on 2 March 2020
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National Panasonic R-357 & Soviet Transistors
 BurntOutElectronics's Gravatar Started by: BurntOutElectronics at
4:17:22 PM on 1 March 2020
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Help! - Current Flow
Patrick's Gravatar Started by: Patrick at
11:30:59 AM on 19 February 2020
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Have to turn volume up full to hear anything
 mawdryn's Gravatar Started by: mawdryn at
10:58:20 PM on 18 February 2020
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Stromberg Carlson Radio model 5A26.
 Bowler's Gravatar Started by: Bowler at
5:26:32 PM on 15 February 2020
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Astor HM restoration update
 mawdryn's Gravatar Started by: mawdryn at
8:34:59 PM on 11 February 2020
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Not all tubes created equal?
 mawdryn's Gravatar Started by: mawdryn at
1:10:43 PM on 8 February 2020
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High Voltages
 mawdryn's Gravatar Started by: mawdryn at
10:17:53 AM on 8 February 2020
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Antenna to AC connection
Tallar Carl's avatar Started by: Tallar Carl at
4:23:52 PM on 26 January 2020
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Tasma Console Radio model 1031
 Normf's Gravatar Started by: Normf at
5:15:16 PM on 23 January 2020
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Radio Identification
 Arcadus's avatar Started by: Arcadus at
1:26:09 PM on 20 January 2020
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HMV 661 console radio electros
 Normf's Gravatar Started by: Normf at
9:16:55 PM on 17 January 2020
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Radio squealing while tuning
 Zeerust's Gravatar Started by: Zeerust at
8:44:55 PM on 11 January 2020
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Becker Pacific 740 car radio cassette from Mercedes
 Jimb's Gravatar Started by: Jimb at
7:36:37 PM on 9 January 2020
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Capacitor polarity
 mawdryn's Gravatar Started by: mawdryn at
3:01:19 PM on 8 January 2020
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Pye Black Box All Transister
 Rastas's Gravatar Started by: Rastas at
5:49:30 PM on 7 January 2020
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Dick Smith T2200 soldering stan.
 Bowler's Gravatar Started by: Bowler at
10:26:12 AM on 6 January 2020
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STC radio 400-1
 Barry Knight's Gravatar Started by: Barry Knight at
1:34:18 AM on 5 January 2020
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Essanay Bantam 80 1937
 Tallar Carl's avatar Started by: Tallar Carl at
7:03:29 PM on 3 January 2020
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STC radio model A4110
 Bowler's Gravatar Started by: Bowler at
11:36:02 AM on 2 January 2020
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HMV Caprice N3-4Y
 Arcadus's avatar Started by: Arcadus at
9:28:19 AM on 24 December 2019
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HMV Caprice N3-4Y
 Arcadus's avatar Started by: Arcadus at
9:28:04 AM on 24 December 2019
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Healing circuit
 Scotty's Gravatar Started by: Scotty at
6:14:26 PM on 22 December 2019
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The Civic by Eclipse
 Tallar Carl's avatar Started by: Tallar Carl at
5:45:39 AM on 15 December 2019
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Colour on soldered joints
 Bowler's Gravatar Started by: Bowler at
10:30:39 AM on 9 December 2019
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Hybrid Radio Question
 NewVista's avatar Started by: NewVista at
4:52:13 PM on 22 November 2019
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Microcontroller programmer for MC68HC705
 Ian Robertson's Gravatar Started by: Ian Robertson at
12:38:50 PM on 11 November 2019
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Pre-war Radio features Bose-Wave type Speaker!
 NewVista's avatar Started by: NewVista at
7:07:11 PM on 7 November 2019
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Peter Pan Radiogram. 1938 Model 587?
 Normf's Gravatar Started by: Normf at
7:30:47 PM on 18 October 2019
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Sweep generator
 Tinkera123's Gravatar Started by: Tinkera123 at
8:37:02 AM on 15 October 2019
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HMV Radio gram
 Tallar Carl's avatar Started by: Tallar Carl at
12:36:59 AM on 3 October 2019
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More mods to my radio, an AM RF stage tuned input and tuned output
 Wa2ise's avatar Started by: Wa2ise at
5:31:11 AM on 2 October 2019
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FISK RADIOLA MODEL 263
 Bowler's Gravatar Started by: Bowler at
11:52:02 AM on 29 September 2019
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Adding a tuned LC circuit to the input side of the FM RF amp in a solid state table mantle radio
 Wa2ise's avatar Started by: Wa2ise at
9:38:50 AM on 27 September 2019
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AWA C79 Chassis transformer replacement with a transformer with no 2.5V tapping.
 Tippy's Gravatar Started by: Tippy at
4:25:18 PM on 10 September 2019
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Operatic Aida Radio
 Viccadillac's Gravatar Started by: Viccadillac at
4:10:28 PM on 3 September 2019
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AM transistor mod to vary the received bandwidth depending on how strong or weak the station is. .
Wa2ise's avatar Started by: Wa2ise at
6:07:43 AM on 25 August 2019
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Capacitor value convertion
Buggyboy's Gravatar Started by: Buggyboy at
5:09:39 PM on 24 August 2019
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Capacitor polarity
 Buggyboy's Gravatar Started by: Buggyboy at
3:58:45 PM on 24 August 2019
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Unknown component
Buggyboy's Gravatar Started by: Buggyboy at
8:21:40 PM on 23 August 2019
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Music Master Schematic
 Alarum's Gravatar Started by: Alarum at
7:27:06 PM on 23 August 2019
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Valve car radio, advice appreciated
 Valvejob's Gravatar Started by: Valvejob at
9:43:05 AM on 22 August 2019
No new posts
Kriesler 280 10 Valve Console 1936 Schematic
 Stephen Simpson's Gravatar Started by: Stephen Simpson at
3:32:47 PM on 21 August 2019
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Kriesler 11-30 sounds shrill
 Tippy's Gravatar Started by: Tippy at
11:16:39 PM on 18 August 2019
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Circuit for AWA B28 Record Player
 Scotty's Gravatar Started by: Scotty at
8:26:28 AM on 16 August 2019
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Pinnacle Porta possibly Model 2 Set #C401
 Jime's Gravatar Started by: Jime at
4:43:26 PM on 14 August 2019
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Mystery 1950s Tech
 NewVista's avatar Started by: NewVista at
10:55:07 PM on 10 August 2019
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