Components and Circuits - Page 9 - UK Vintage Radio Repair and Restoration Discussion Forum

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Components and Circuits

Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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Rating Thread / Thread Starter	Last Post	Replies	Views
Leak stereo 20 ( 1 2 3) Edwar65 (11th Apr 2013)	16th Apr 2013 11:13 pm by Radio Wrangler	50	6,454
Westalite metal rectifier - data needed ( 1 2) GrimJosef (1st Mar 2012)	26th Apr 2016 12:07 pm by raditechman	21	6,450
Early op amps 741 etc ( 1 2 3 4) Gillian (28th Apr 2014)	11th May 2014 10:11 pm by Gillian	60	6,426
Grampian 562 Amp ( 1 2) crackle (9th May 2011)	19th May 2011 7:26 am by crackle	32	6,375
Simple noise generator Panrock (3rd May 2008)	9th May 2008 7:16 pm by thermionic	18	6,360
Lead-acid battery restoration GMB (19th May 2008)	1st Jun 2008 7:20 pm by Roger Rabbit	13	6,360
decoding etched valve codes - do lists exist ? yestertech (27th Feb 2008)	3rd Mar 2008 1:21 pm by radioman	8	6,340
Mullard valve answers ( 1 2) Alan Stepney (18th Nov 2010)	29th Nov 2010 8:36 pm by Heatercathodeshort	22	6,311
Mullard valves questions ( 1 2) Alan Stepney (17th Aug 2010)	21st Aug 2010 12:00 pm by FERNSEH	35	6,272
How similar are the EM80 and EM81? Nickthedentist (25th Nov 2008)	1st Dec 2008 12:53 pm by Nickthedentist	10	6,208
Are modern zinc carbon and zinc chloride cells less prone to leakage than alkalines? ( 1 2 3 4) Nickthedentist (28th Oct 2016)	19th Nov 2016 8:47 pm by russell_w_b	62	6,200
what is typical inductance of fluorescent light ballast - want to use as a choke Al (astral highway) (6th Dec 2010)	6th Dec 2010 8:53 pm by Skywave	4	6,159
Replacing ECC85 with ECC88 jay_oldstuff (24th Nov 2014)	26th Nov 2014 2:02 pm by mole42uk	10	6,121
RF Choke ID & placement ( 1 2) Neil Purling (25th Nov 2010)	29th Nov 2010 11:34 am by G8HQP Dave	21	6,112
Schematic wanted and Info Astor M3B ( 1 2) RetiredHal (25th Feb 2008)	8th Mar 2008 3:11 pm by RetiredHal	27	6,105
Emitter resistors ( 1 2) mastermanx2001 (30th May 2008)	3rd Aug 2008 6:36 pm by gordy838	25	6,049
Replacement of valve rectifier with silicon diode. ( 1 2) Jimmyhaflinger (21st Apr 2009)	21st Apr 2009 11:09 pm by Jimmyhaflinger	22	6,026
Elstone transformers for the Williamson amplifier GrimJosef (21st Oct 2009)	25th Oct 2009 9:10 pm by Ed_Dinning	12	6,021
TDA2004 versus TDA2005 af024 (27th Aug 2008)	28th Aug 2008 12:07 pm by af024	2	6,015
OC170 transistor with three leads. ( 1 2) Station X (22nd May 2011)	26th May 2011 10:51 pm by Station X	20	6,014

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