View Full Version : Amp Technical Info
- 6V6-EH Quality & Reliability???
- What speaker for a (rivera) Fender Concert combo?
- Deluxe Reverb - rectifier question
- Where To Find Woden Transformers
- More Headroom: Hot or Cold Bias?
- How close can a reverb tank be to a transformer?
- Siemens vs. Mullard EL34 for an Orange!
- Help Identifying Old Components - links fixed
- Marshall bright cap...
- can old tubes in a bass amp cause tuning issues?
- Output tubes in a Showman
- Amp Safety procedures....
- Marshall JMP - 6550 vs EL34? Give my your input!
- Marshall 4100 Blowing Fuses
- Interesting bias question
- Deluxe Reverb Mod Expert Needed... bunch of stuff here....
- Is it possible for new caps to have a different dynamic?
- Rectifiers for a 6V6 power stage?
- Tube Biasing
- Amp Crackling
- Capacitor polarity
- Gibson GA19-RVT Falcon hum problem
- Speaker switch in Peavey...
- Optimum Tilt Back Angle for a Combo?
- Fixing up tolex...
- EBAY: Bogus Tube Alert
- Tech Recommendations
- need a decent solder iron, help!
- Recommend a DMM
- Mystery Amp
- 1959 SLP bright cap?
- Testing 6EU7s with a Hickok 533A?
- SF/BFVR Channel 2 peak distortion
- Tube testing question
- Vox Ac30cc Mods?
- thickening up the mids in a marshall tone circuit
- Tube Experts? Maximum JJ 6V6S Ratings?
- Pilot light wiring, question (JTM45 replica)
- how to bias an amp
- '62 Princeton Phase Inverter Problem
- Amp Hum
- Blues Deluxe Hum
- Ohmage for 1964 & 1966 Twin Reverb External Cab Altec 417's ??? HELP!!!
- TAD Bipolar cap, Mojo
- Univox 1221 by Wakarusa Amps...Wow!
- Peavey JSX Footswitch
- Need a #49 lamp for my Hickok 533A
- Amp rating for ohm select switch in the cab?
- Wiring Question (Gibson GA-19RVT cap job)
- Biasing, 5992 tube Question/help
- Amp packing, now we gotta...
- Bias Drift?
- Marshall 6101 issues - how serious? (complicated question)
- USA amp to europe, power question
- Super Champ footswitch idea
- Is it possible to convert a 16ohm speaker to 8ohms?
- El34 Tubes Which One ?
- Retubed my AC30CC2 in 35 minutes
- Mystery Amp deal?
- Korg ac30 normal ch. modded to brill...possible?
- VHT Pittbull 45 niggles
- Help Hiwatt Lead 30 no ohm marking on speaker out jack?
- Going for my first amp build.
- Replace 6V6s with 6L6s ?????
- Ohm question
- Very dumb Euro -> UK plug question..
- Stupid Question-Can I work in the garage?
- Tone stack caps for rebuilt Super Reverb?
- Fender Super Champ
- The Hardest Working Tech in the Biz
- Heritage G12M vs. Greenbacks?
- Why I Like Mallory Blue Caps
- How much filament voltage is too much?
- Volume pot hum?
- Noises My Amp Shouldn't Be Making (Help!)
- Can you put 6L6s into a DRRI... any changes needed?
- Troubleshooting an amp with no sound
- How to darken a bright amp
- Please help me save some time on this cab experiment if you can
- 12AX7 ID help
- Front or rear-mounted speaker???
- anyone using yellowjackets ( EL84's ) in a twin reverb ?
- Reccomend me a Fender Book
- Bruno Underground 30 Question
- GT KT66 in old Bassmans/Vibroluxes?
- Filter cap issues on a Boogie MKIII
- Filter cap issues on a Boogie MKIII
- Marshall footswitch in need of repair
- Peavey Classic 30 Tube Problem! Help!!!
- So why dual and triple rectifiers?
- Peavey Classic 50 ?'s
- Rectifier Tubes
- Locating R6 on my '59 SLP?
- vintage deluxe reverb---too loud
- Should I keep the normal channel at 1 when not using it?...
- NOS RCA EL84's
- Do I need to BIAS my Peavey Classic 30?
- Biasing: Current is the main consideration?
- HELP!! Speaker Cable Problem
- Diference in tone in pre-amp tubes
- Stump the amp gurus. Try to diagnose this problem!
- color of filament glow
- Chain saw sound while warming up
- 6550's- a direct replacement for 6l6?
- AB763 Super Reverb? - Verdict please
- Learning how to solder and work on electronics?
- Tips for safe amp building...
- Mayfly BC-30 Tube Layout???
- Can anyone identify this speaker please?
- Help with a vintage Vibratone cab
- Champ Schematic Questions
- OT and PO Transformers.
- Rectifier technical question
- Traynor 8X10 wiring (help please)
- Super Reverb Cap Job - Advice Needed
- Old Tube Questions
- Interesting info for Bad Cat Classic Cat
- Komet Concorde making crackling noises
- Master Volume in a Tweed Circuit ????
- Traynor YCV series - anything problems to watch out for?
- Silverface Pro vs. Twin - shouldn't they sound very similar?
- Super Reverb RI Volume Issues
- Why dont most heads come fitted with this?
- Transistor Matching
- Addig Caps to output Trans
- carr hammerhead tube swap
- Marshall 2210 - Swarty?
- Should I be concerned?
- Faceplate buzz on Fender
- Univox 720
- Speaker wiring question
- Artwork/Graphics Symbols for Front Panels
- Strange noise from amp
- Custom vibrolux reverb "Moyer" mod
- Class A?
- Klemt Echolette 5 Motor Install
- New speaker for Princeton Reverb?
- most efficient 12" speakers
- Sovtek Mig60 Mods
- guild thunderstar mods?
- Two Matched Pairs vs. A Matched Quad
- 6V6 tube sub
- Where you guys buying your turrets??
- Capacitor Questions??
- DIY Head Cabinet Plans??
- Fender Blackface Deluxe Reverb Help: Loss of Volume and Intermittent added distortion
- Soldano preamp question
- Advice on a good 6CA7?
- Anyone ever put in an individual bias network?
- Mismatched Impedance Question
- alright...
- Need a tech for a Valco in LA, who?
- Super Reverb - Tremolo speed problem
- History on this speaker pls!
- vibrolux reverb, but tweed fender circuit?
- Blues Junior Upgrades & Mods Questions
- Amp tech in toronto? oakville?
- How do their impedances differ? EL84, 6V6, 6L6, EL34
- Who can school me on Vintage Fender Bassmans (Pics Inside)?
- Tweaking an AB763 Clone
- Screen resistor question
- 1969 Marshall Capri... or How Not To Design An Amp
- Question about ohms
- A very disturbing loud noise (AB763 content)
- Series Speaker Wiring Seems Wierd
- Super Reverb Trouble
- Marshall JCM 900 SL-X power-up problem and Q's
- Beginner looking for help
- Multiple Amps/Cabs .. Switching/Patchbay devices?
- Hot Rod Deluxe squealing like a pig
- This could suck
- How does wall current affect bias?
- how to date/tell circuit info: SF vibrolux?
- 6V6 to EL34 Questions
- Impedance for an attenuator?
- Super Reverb hum
- Quality Built Amps
- When and What did Fender Change on the Deluxe Reverb Circuit from 60's-70's
- upgrade only 1 fender SR speaker??
- Tubes in Your Deluxe Reverb..
- closest tube to rca blackplate 6L6?
- 12ax7 substitutes? Need help please.
- I'd be interested in some good mods for a 5150 and Mesa Recto.??
- cable between amp and channel switcher..(stupid question)
- Stumper.....What do YOU think it is?
- 12ax7 : TungSol reissue vs. Shuguang vs. JJs ...help needed
- Old 6v6 Amp
- Possible trouble w/ Jensen Mod 12/50 Speakers?
- WOW - JJ KT77s in my 1987 amp
- Amp Questions For the Blackmore Tone
- What's Your Favorite URL For Amp Parts?
- stange amp voltage ??
- How to make Tung-Sol 12AX7's Fit??
- 2 amp rig, ground loop hum?
- Tweed Pro V1 choice
- Amp Sounds Like Blowing Wind?
- 1971 Plush Amp Reverb ??
- What makes an amp touch sensitive?
- Is there anyway you can analyze the tone objectively ?
- When to Re-Tube? pre & power...
- Why are Cap values so hard to find at one store?
- 2 RFT ecc83's DOA.(?)
- Please forgive this dumb question....
- Looking for some EL-84's
- Ohms...Which speaker...help!
- Are tube socket screens/filters hard to replace?
- Are Groove Tubes not so Groovey?
- Can I Use 6v6 Tubes In My Two Rock?
- Source of crackling in a new amp build?
- Tung-Sol reissue 6L6GC-STR, HELP!!!
- Guytron GT100 - How do you adjust the bias?
- Out of the blue question RE output transformers . . .
- Wiring a Traynor Big "B"
- To Fred, or not to Fred - that is the question - what are YOUR opinions???
- Tube Help!
- A Tale of Two Kalamazoos
- Fender Super reverb mod's. handwired board??
- Help me Blackface this Silverface Vibrolux!
- Has anyone tried this PPIV Master Volume mod...
- Tubes too hot for rubber bands?
- Anybody used the TV2 Tester?
- Help: why is my amp ringing and squealing?
- Help:18 Watt Marshall Ghost Notes
- EF86 Vs 5879 or just stick with dual triodes?
- Is this filtering scheme asking for trouble?
- Speaker Wattage & Amp Compatability Question
- Is Furman the answer to power problem?
- New filter caps in Traynor Custom reverb (el-34); rebias?
- Matchless/Badcat/65Amps style Handle?
- whats an easy way to drop plate voltage
- Hot Rod Deluxe guys?
- How do you use a dovetail machine?
- Blues Jr into a Pro Jr
- looking for info on Leslie cabs
- Another damn mismatch thead...
- 12AT7 in Delta Blues drive channel?
- Help biasing a 72 twin
- Possible Modification of a Fender Stage 112SE
- Help with KT88
- why only el84 adapters for 6L6 amps?
- Marshall re-issue plexi output tube problem
- Another 3 prong upgrade question
- Indicator (My brother bubba lives way up, in the cater')
- Weber Magnetics
- Fuse Question
- Rivera R-100 (Hundred Duo Twelve) Question...
- Tube ? Repost
- Looking for Capacitor 50uF, 150 volts - Sprague Atom preferred
- Please clarify?
- Divided by 13 ERT33 questions
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