Beginners - Page 237

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MK14, Ian.M, m.abdelwanis, Smokey, Network, ArdWar, Kofen, rf-fil and 472 Guests are viewing this board.
	Can I combine 2 output transformers?	ELS122	2 Replies 1353 Views	October 26, 2019, 02:03:03 am by andy3055
	what does "remote cutoff" mean?	ELS122	6 Replies 3051 Views	December 12, 2019, 04:31:30 pm by T3sl4co1l
	what is this '1n760' diode?	ELS122	3 Replies 862 Views	December 29, 2019, 11:56:09 pm by george.b
	What can I use to clean a PCB?	ELS122	13 Replies 2550 Views	January 13, 2020, 03:42:18 pm by Nominal Animal
	are PC power supplies insulated from earth?	ELS122	8 Replies 1131 Views	January 13, 2020, 11:04:59 pm by pcmad
	a transformer in series with the cathode and the plate on a pentode?	ELS122	1 Replies 500 Views	January 25, 2020, 11:45:03 am by T3sl4co1l
	distortion circuit using vacuum tubes.	ELS122	0 Replies 392 Views	January 25, 2020, 04:43:12 pm by ELS122
	Differential Gomes Amplifier using pentodes in ultra linear mode?	ELS122	5 Replies 1296 Views	January 27, 2020, 01:19:21 pm by gbaddeley
	Bypass capacitor for screen grid?	ELS122	2 Replies 1893 Views	January 27, 2020, 03:10:04 pm by TimFox
	preamp pentode and triode that can hold 700-800V	ELS122	4 Replies 596 Views	January 28, 2020, 06:15:48 am by gbaddeley
	how much current do I need to drive the grid for a 6v6gc tube?	ELS122	11 Replies 1248 Views	January 28, 2020, 11:57:53 am by ELS122
	can a 6BG6C handle 700volts on grid2?	ELS122	1 Replies 346 Views	January 28, 2020, 02:05:44 pm by Gyro
	how do I get the negative grid bias voltage without a tap on my power transformr	ELS122	3 Replies 530 Views	January 28, 2020, 08:14:47 pm by ELS122
	This Russian push pull tube amp output is really confusing me.	ELS122	7 Replies 1485 Views	January 29, 2020, 03:54:23 am by Calvin
	6V6GT vs 6GB6G	ELS122	10 Replies 1764 Views	February 01, 2020, 02:23:48 am by TimFox
	how much would a single double triode output power in push pull output?	ELS122	0 Replies 288 Views	February 02, 2020, 12:44:40 am by ELS122
	what is the use for 2 cathodes in an triode?	ELS122	6 Replies 741 Views	February 02, 2020, 01:43:58 am by ELS122
	how does AB1 differ from AB2 in push pull tube output amp?	ELS122	1 Replies 486 Views	February 02, 2020, 05:29:08 am by gbaddeley
	substitute for 2Ж2М tube	ELS122	4 Replies 769 Views	February 02, 2020, 05:39:38 am by ELS122
	how do you calculate power output from a push pull tube amp?	ELS122	1 Replies 452 Views	February 02, 2020, 05:44:11 am by gbaddeley
	what are these mechanical led switches called?	ELS122	9 Replies 675 Views	February 02, 2020, 08:40:51 am by ELS122
	getting a "tighter" overdrive from a solid state amp	ELS122	3 Replies 493 Views	February 03, 2020, 08:17:51 pm by ELS122
	cathode follower outputs 200vdc	ELS122	8 Replies 786 Views	February 05, 2020, 10:31:32 pm by ELS122
	can I convert this unusual tube output stage more suitable to a guitar amp	ELS122	2 Replies 546 Views	February 05, 2020, 11:13:46 pm by ELS122
	how much voltage can old 6P14P tubes take?	ELS122	3 Replies 1021 Views	February 08, 2020, 07:16:47 pm by Kirill V.
	really bad output on 2 EL84 amp (whistling, barelly any sound)	ELS122	6 Replies 800 Views	February 11, 2020, 05:50:47 pm by ELS122
	how do I make a time delay that turns on a relay upon power on and turns it off.	ELS122	17 Replies 2858 Views	February 15, 2020, 07:18:41 pm by ELS122
	I need to convert a 0/1 signal to pulse when the output changes	ELS122	8 Replies 738 Views	February 19, 2020, 04:34:21 pm by ELS122
	making a linear power supply safer.	ELS122	3 Replies 570 Views	February 21, 2020, 09:14:51 am by Vovk_Z
	converting signal from ignition coil to a varying voltage « 1 2 All »	ELS122	29 Replies 3342 Views	March 20, 2020, 01:08:56 pm by ELS122
	what are these IC's?	ELS122	6 Replies 1075 Views	March 21, 2020, 08:44:39 pm by amyk
	ground loops on pcb's?	ELS122	4 Replies 563 Views	April 17, 2020, 02:25:21 pm by Rerouter
	how do you drive big power tubes like 4-250A's	ELS122	2 Replies 503 Views	April 22, 2020, 09:30:56 pm by TimFox
	crazy ideas for a tube amp with many watts! « 1 2 All »	ELS122	49 Replies 4238 Views	April 23, 2020, 11:50:33 pm by ELS122
	2 phase Full Wave Voltage Multiplier for maximum voltage?	ELS122	0 Replies 336 Views	May 06, 2020, 07:13:54 am by ELS122
	how do I calculate the cathode current on this "op amp" tube circuit?	ELS122	5 Replies 456 Views	May 14, 2020, 12:44:54 pm by ELS122
	shouldn't a VTVM have near infinite input impeadance?	ELS122	10 Replies 1262 Views	May 14, 2020, 07:33:39 pm by ELS122
	all vacuum tube phaser/phase shift circuit.	ELS122	10 Replies 1576 Views	June 06, 2020, 07:13:08 pm by ELS122
	what does "J" mean in resistor values?	ELS122	7 Replies 2497 Views	July 03, 2020, 09:26:38 pm by TimFox
	don't understand this bizzare rectifyer circuit in this Tesla Mono 130 tube amp	ELS122	4 Replies 584 Views	July 12, 2020, 04:27:06 pm by ELS122

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