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Tech Talk

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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
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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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Mystery Electric-car Tech
 NewVista's avatar Started by: NewVista at
10:36:34 PM on 10 August 2019
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Kriesler 3K00 Circuit Diagram and 3K06A
 Captgogo's Gravatar Started by: Captgogo at
9:02:37 AM on 9 August 2019
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Vibrator Dropping Resistors
 Alarum's Gravatar Started by: Alarum at
9:25:08 PM on 5 August 2019
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Circuit required
Scotty's Gravatar Started by: Scotty at
1:11:16 PM on 5 August 2019
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Asbestos in Kriesler mantle radio 11-81a?
 Zeerust's Gravatar Started by: Zeerust at
1:19:35 PM on 1 August 2019
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Deleted comment. (No advertising)
 Basimonica's Gravatar Started by: Basimonica at
1:12:41 PM on 31 July 2019
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Need schematic.
 Labrat's avatar Started by: Labrat at
5:57:21 PM on 28 July 2019
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Raycophone 63AE - Beale Panchromatic
 Nhanwell's Gravatar Started by: Nhanwell at
6:44:18 PM on 26 July 2019
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Classic branded radiogram
 Tallar Carl's avatar Started by: Tallar Carl at
1:27:10 AM on 26 July 2019
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Power Switch?
 Dgnelson's Gravatar Started by: Dgnelson at
10:24:58 PM on 23 July 2019
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Speaker specs confusion: Speaker, 8 PIX Magnavox, 27 ohm V.C.I
 Soundmammy's Gravatar Started by: Soundmammy at
4:56:25 PM on 21 July 2019
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Install mains fuses in old Kriesler units?
 Zeerust's Gravatar Started by: Zeerust at
1:05:51 PM on 20 July 2019
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Circuit Diagram for Dick Smith Q-1312 RF signal generator
 Keith Walters's avatar Started by: Keith Walters at
12:02:36 PM on 18 July 2019
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Kriesler 11-88 crackling and one channel low
 Trackhappy's Gravatar Started by: Trackhappy at
4:04:16 PM on 16 July 2019
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Saba Freiburg 14
 Mccipolla's Gravatar Started by: Mccipolla at
6:00:17 PM on 9 July 2019
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STC Console 536A Info
 Beakr's Gravatar Started by: Beakr at
7:07:34 PM on 5 July 2019
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Reflex circuit in a Kriesler 11-25
 Arty41's Gravatar Started by: Arty41 at
8:16:55 PM on 2 July 2019
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Astor Radio
 Viccadillac's Gravatar Started by: Viccadillac at
7:44:46 PM on 28 June 2019
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KRIESLER VALVE RADIO MODEL 540
 Bowler's Gravatar Started by: Bowler at
11:04:41 AM on 28 June 2019
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Unusual resistors, single ended, likely to be mounted vertical on circuit boards
 Wa2ise's avatar Started by: Wa2ise at
11:58:24 AM on 27 June 2019
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Airzone 457B / Malvern Star MS457B
STC830's Gravatar Started by: STC830 at
11:33:54 AM on 24 June 2019
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Leader SG 11 repairs
 Normf's Gravatar Started by: Normf at
5:40:47 PM on 11 June 2019
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Service Manual for Philips PM 5509 G/02
 Labrat's avatar Started by: Labrat at
11:03:43 AM on 10 June 2019
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Help wanted on a Breville 730T Radio
 Scotty's Gravatar Started by: Scotty at
12:46:40 PM on 1 June 2019
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Missing valve in an STC Radiogram
 Sundries's Gravatar Started by: Sundries at
5:23:33 PM on 20 May 2019
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