Tube Amp Building - Tweaks

	Subject / Started by	Replies / Views	Last post
0 Members and 83 Guests are viewing this board.
	Phono to guitar amp conversion Started by elmore_lewis	29 Replies 19945 Views	December 23, 2010, 09:38:52 am by softwarejanitor
	Tupelo/Lil'elvis Started by bruno	0 Replies 4254 Views	December 23, 2010, 07:54:42 am by bruno
	princeton reverb trem mod Started by phsyconoodler	11 Replies 10893 Views	December 22, 2010, 03:07:42 pm by phsyconoodler
	1960's Gibson Amp reverb connections? Started by Packerswin14	3 Replies 4785 Views	December 22, 2010, 03:01:06 pm by LooseChange
	Cheap tube amp suggestions please Started by TerryD	8 Replies 4973 Views	December 22, 2010, 02:56:34 pm by Jack1962
	Hiwatt update Started by frank57	0 Replies 3811 Views	December 22, 2010, 11:30:26 am by frank57
	Quick question Started by 67polara	2 Replies 3935 Views	December 22, 2010, 10:36:28 am by 67polara
	Non-matched pair? Started by Leevi	11 Replies 6539 Views	December 21, 2010, 10:05:12 pm by plexi50
	Keep Blowing the HT Fuse Started by shortfuse	6 Replies 5749 Views	December 21, 2010, 06:31:55 pm by tubeswell
	Odd voltages in P1 Extreme Started by simonallaway	20 Replies 11087 Views	December 21, 2010, 05:38:24 pm by EL34
	The Schedule 40 GA-5 Bright Switch Question Started by shortfuse	5 Replies 4464 Views	December 21, 2010, 04:18:48 pm by john_t
	Philco Cap Can Value? Started by plexi50	8 Replies 5686 Views	December 20, 2010, 10:36:45 pm by plexi50
	Need Motorola HS-701B schematic Started by softwarejanitor	2 Replies 4408 Views	December 20, 2010, 08:51:10 pm by softwarejanitor
	Cap Can Value? Started by plexi50	3 Replies 3757 Views	December 20, 2010, 08:23:58 pm by plexi50
	Effects loop & 1 tube reverb SUCCESS! Started by tubenit « 1 2 »	50 Replies 23684 Views	December 19, 2010, 08:27:33 pm by Willabe
	Tube Current Draw Started by plexi50	30 Replies 14359 Views	December 19, 2010, 03:45:13 pm by VMS
	Where to buy 5881's and 5879's ? Started by SLW	5 Replies 5000 Views	December 19, 2010, 01:25:50 pm by tonewood
	1966 Kent Tube Amp Started by LooseChange	5 Replies 5585 Views	December 18, 2010, 03:55:43 pm by LooseChange
	Bridge circuit Started by Leevi	3 Replies 4175 Views	December 18, 2010, 01:06:12 pm by RicharD
	PI Coupling Cap Mix Started by plexi50	4 Replies 3963 Views	December 18, 2010, 11:33:40 am by plexi50
	tremolo connection to 5879 cathode? Started by firemedic	7 Replies 5285 Views	December 18, 2010, 05:52:49 am by firemedic
	Filter choke to replace a power resistor? Started by JCSIFU	5 Replies 5878 Views	December 18, 2010, 04:34:03 am by FYL
	Single tone control/low insertion with mid scoop control? Started by bruno	2 Replies 4161 Views	December 17, 2010, 09:32:01 pm by jjasilli
	Reverb implementation. Would this work? Started by Baguette	4 Replies 4032 Views	December 17, 2010, 03:02:09 pm by Willabe
	Bassman Ten - now what? (MODS) Started by captaintrav	13 Replies 9446 Views	December 17, 2010, 11:06:36 am by Willabe
	bias supply for full wave bridge Started by phsyconoodler	6 Replies 4563 Views	December 16, 2010, 05:07:55 pm by phsyconoodler
	Volume control in a monitor. Started by bbirling	4 Replies 3794 Views	December 16, 2010, 12:28:13 pm by bbirling
	cathode biased princeton trem not working Started by phsyconoodler	15 Replies 6976 Views	December 16, 2010, 10:20:28 am by phsyconoodler
	grid leak bias on preamp stage Started by panhead	4 Replies 5915 Views	December 16, 2010, 09:38:27 am by Fresh_Start
	Peavey Delta Blues Cap Started by plexi50	4 Replies 4808 Views	December 16, 2010, 09:01:37 am by plexi50
	Favourite master for cathodyne PI's Started by phsyconoodler	17 Replies 11953 Views	December 16, 2010, 03:16:30 am by Shrapnel
	'59 Bassman clone build - success! Started by Midtex	14 Replies 9191 Views	December 16, 2010, 12:17:39 am by Midtex
	Help me understand V3 on JCM 800 plate volts Started by chabby-ao	17 Replies 9140 Views	December 15, 2010, 11:02:01 pm by chabby-ao
	Best place for heaters? Started by frank57	9 Replies 6212 Views	December 15, 2010, 03:11:23 pm by frank57
	New Build Help Started by heymymy	1 Replies 3560 Views	December 15, 2010, 08:40:51 am by tubenit
	March - Desktop Studio Series Started by LooseChange	12 Replies 7261 Views	December 15, 2010, 07:13:50 am by LooseChange
	Mercury PT Wire Question Started by heymymy	2 Replies 3506 Views	December 14, 2010, 02:03:14 pm by heymymy
	Proximity of output tubes to speaker magnet Started by dynaman1	1 Replies 3469 Views	December 14, 2010, 12:41:49 pm by Willabe
	Cathode Bias Power Tubes Bias Voltages Started by TIMBO	7 Replies 5614 Views	December 14, 2010, 05:06:14 am by LooseChange
	Ground Issues on Tweed Deluxe Replica Started by dd3keegs	7 Replies 6174 Views	December 14, 2010, 03:29:44 am by dd3keegs
	Which OT tap to use for presence? Started by Midtex	18 Replies 9260 Views	December 14, 2010, 12:51:57 am by Midtex
	Problems with Silver Mica caps Started by Leevi	12 Replies 11740 Views	December 13, 2010, 03:09:26 pm by Leevi
	Silver jubilee ceriatone clone on 2210!? Started by Andre Oliveros « 1 2 »	85 Replies 28536 Views	December 13, 2010, 01:30:59 pm by chabby-ao
	Ampeg G-12 Gemini I on the bench - Never been cracked - Trem issue. Started by LooseChange	20 Replies 14355 Views	December 13, 2010, 01:24:10 pm by plexi50
	Bedrock 1200 - Circuit discussion Started by LooseChange	13 Replies 10477 Views	December 13, 2010, 11:01:16 am by Willabe
	Bass Power Amp Started by Leevi	18 Replies 9137 Views	December 13, 2010, 10:43:55 am by kagliostro
	One other strange component, or not ? Started by kagliostro	2 Replies 3459 Views	December 13, 2010, 09:33:36 am by kagliostro
	Frequency formula for parallel capacitor/resistor? Started by JayB	24 Replies 18057 Views	December 12, 2010, 08:26:54 pm by Fresh_Start
	Hi Fi for the guitar amp guy? Started by kriswel	18 Replies 10112 Views	December 12, 2010, 01:58:11 pm by steven
	Help with mod Started by chabby-ao	10 Replies 5496 Views	December 12, 2010, 11:05:19 am by chabby-ao

Welcome To the Hoffman Amplifiers Forum March 13, 2026, 12:59:48 am

Welcome, Guest. Please login or register. -User Name -Password
Home Help Search Login Register
Hoffman Amplifiers Tube Amplifier Forum » Amp Stuff » Tube Amp Building - Tweaks - Repairs

Choose a link from the Hoffman Amplifiers parts catalog
Mobile Device Catalog Link	Yard Sale Discontinued	Misc. Hardware
What's New	Board Building Parts	Amp trim Handles
Lamps Diodes	Hoffman Turret Boards	Channel Switching
Resistors	Fender Eyelet Boards	Screws/Nuts Washers
Jacks/Plugs Connectors	Misc Eyelet Boards	Tools
Capacitors	Custom Boards	Tubes Valves
Pots Knobs	Fuses/Cords	Chassis
Tube Sockets	Switches	Wire Cable

Welcome To the Hoffman Amplifiers Forum