View Full Version : Amp Technical Info
- Rockytop, WTF?
- What do you do with your old tubes?
- Installing Bright Switch on a Fender Bassman AA864 like amp
- Speaker making weird sound / voice coil
- New JCM 800 2204 Build HELP
- Buzz coming through the speaker of my HRDx
- 1 ss combo + 1 valve head.
- Low AC Voltage wreaks havoc, what to do?
- Bogen Low Impedence Filter Question for those who may know about these?
- '69 Super Reverb grille cloth
- Part Deux - Tearing my hair out on bias circuit
- Early '64 Blonde Bassman input question/troubleshoot
- Valve refuses to glow, but still produces sound?
- help with reverb on both channals for fender amps!!
- What is this 6CA7?
- Reinhardt Bias Instructions?
- Help Please - Indicator light for Ceriatone Plexi
- New Cap plus Old Cap Equals ...
- Best recommended quad set of EL-84's?
- Tweed Champ Volume Issues
- Using the HI and LO inputs simultaneously
- Jumping Channels on Fender Twin
- Reasons for NOT converting 2-prong to 3-prong power cord?
- Help With Fender Reverb(Both Channels) pt2
- Do rectifier tubes glow?
- Dustcap transplant- how long before playing
- 125A6A v. 125A30A ?
- power tubes glowing blue. does that spell TROUBLE??
- What do you know about Jensen Concert series?
- Need more range out of bias circuit in Fender RI Tweed Twin
- What circuit for a junker twin 6V6 amp?
- Question about Super-Sonic 6L6's
- Fluke 17B ?
- How to protect my amp and make sure the voltage is proper?
- New 5F4 Build extremely weak output
- 6V6 Tube Identification?
- PPIMV & 1/2 Power Mod
- Peavey Backstage Chorus 208 SOlid state problems
- Help please! DSL 401 preamp tubes not lighting up!
- Mercury Magnetic Transformer Questions
- It's time to play: NAME THAT TUBE!
- What does a weak transformer sound like?
- Where do you guys order filter caps?
- What is difference between 6L6GC and EL34?
- Increase filter cap value on screen supply or leave it stock?
- replacement OT for Bedrock 1200
- Another tube ID question
- EVH 5150 III - preamp tubes
- Mesa LSS and NOS EL84's
- Any current production EL84 worth the time/money?
- champ speaker replacement
- JTM45 Output Tranny question
- Pre-amp fixed biased. Anyone else do it this way ?
- My rig is quiet
- Boogie Mark chassis material?
- Why would a modern 3 prong power cord amp have a ground switch?
- Question on Weber Bias Rite...
- Vintage Replacement Transformers
- 5E3 and 6L6WGB
- Mesa died! Fuse?
- Interesting Variac Idea- Toroidal? Rackmount?
- 6dj8?
- Goop! Electrical 12V DIY question
- SF Vibrolux tube question
- Jj Ecc 832
- Biasing questions (hopefully simple . . .)
- 1974 Deluxe Reverb Noise Question
- Got vintage Tung-Sol made 7581A/6L6GC???
- Converting my 2/10 Fender Prosonic to a 1/12
- Custom amp build - advice sought
- I'm looking for a Deluxe Reverb Reissue schematic???
- Voice of Music Model 165 vintage amp
- deluxe reverb
- help identifying a 12ax7 tube
- Peavey classic 50 reverb problem
- Pot froze up and lubricated to free up any consequences?
- SS Rectifier in an AC30 style amp? Anyone?
- Weber amp kits... flexibility?
- rust on output transformer?
- airliner hifi amp
- What exactly is OT/PT/Choke?
- Check those new filter caps, guys
- New Amp! Sounds great but a little dark.
- Vibro Champ Power Section
- Fender 65 Princeton Resissue Mods
- Solid State Amp Troubles -- Ampeg SS-70 cutting in and out
- Gibson Falcon Reverb Problems
- Ghosting? what if it's not the Filter Caps or Grounding?
- 4 ohm amp in 8 ohm speaker?
- 36w amp build, what trannies should i use.
- Different ohm tap, different sound?
- NOS GE 6V6GT Plate Voltage in my SE homebrew is 425v... too high?
- Hotplate ohms
- Rivera M100 Footswitch
- Tubes for Tone King Comet 40A
- Tube amp dies on stage...
- amp screws w/grommets
- Custom Kraft 600 amp info needed "pics"
- weber bias rite ?
- Another mismatched impedance thread: KT66s in an old 50 watt plexi
- Amplifier repair reading material??
- Isolating Jacks from Chassis
- Low Impedence to High Impedence Jack Question
- Which layout is the right one? Lightning Clone.
- Will a 20w speaker be okay in a 50w amp?
- Pulling my hair out over here...any ideas??!!
- Filter cap replacement question
- lower gain reverb driver?
- How to Blackface a Dual Showman with Master Volume
- Adding a footswitchable solo boost to a Mesa Rectifier 2 channel?
- Splitting Signal for wet/dry setup...suggestions needed
- HiWatt DR103 layout?
- bias cap question
- Deluxe Reverb Clone - Vibrato problem
- adding a sag resistor to a SS rectified amp - sound nice?
- Cap value range and the compensating for hard to find values question.
- how to properly drain filter caps in AC15cc1x
- Silvertone 1434 4x6L6 Dual OTs advice on tweaks
- Blues Jr - removed neg feedback wire... any problems?
- Ever seen a Mullard GZ34 without a hole in the key?
- anybody try the GT 6L6 CHP blackplate yet?
- running only half the power on tube amp question
- Weber 18 watt clone questions
- Would this be a cap issue?
- Touching Glass? (Tubes that is...)
- How close should power tubes match up?
- Adding a TUBE Phase Inverter
- Tropical fish caps?
- tubeworks td-742 problem
- Let's talk about 5E7 tweed bandmaster output transformers
- Thump on standby
- Blackface 6L6 to EL34 mod conversion--need a resistor value
- replacement 3 prong hum..
- Wierd runaway volume issue tonight!
- Allen Brown Suger - help needed
- Connecting 2 cabs in series?
- Can I use these tubes?
- Need help with removing Speakers
- Mesa Lonestar Problems!
- How to test caps for leakage
- Can I run my amp minus one preamp tube?
- Vibro Champ troubles
- Semi-Hollow guitars and amps
- who makes AB763 replacement boards for fender amps?
- What's your experience with...
- "Low E Fart" on Twin Reverb
- Any thoughts on Mojo Dijon or Vitamin T caps?
- Fender Bassman 6G6-B Layout
- How does Master Volume work comp'd to Attenuation?
- BF circuit coupling cap to PI
- Cab Wiring: switch for two or one speaker, 8 or 4 Ohms - question
- Hooking a 16ohm cab to my Ecstasy
- Danelectro DM-25 Thread
- What new cap is best for replacing astrons
- 100 watt marshall into 80 watt cab
- 80's Fendert Concert Bias change. (Rivera)
- Type of Alnico used in Speakers? II, V?
- SPL Calculator.
- Using 12AX7 as phase inverter in '74 DR
- Help Identifying 12AX7A tubes.
- C-Gold--LSC
- Hot Rod Deluxe - help me with tubes, speaker, etc.
- Forming Filter Caps with a Variac... Yes or No?
- Anyone sell tweed era Fender logos that don't cost a small fortune?
- AC30CCH Choke
- Fast or Slo Blow?
- New York Metro area amp tech
- Tampa Fl Area Amp Techs
- KT77 match power tube?
- Question re removing power tubes to reduce power
- Guitar Cab speaker wire?
- BF Deluxe Reverb Clone
- FenderRivera Era Effects Loops
- Very simple question about a DPDT slide switch
- Tube amp repair, or how not to electrocute myself?
- Reissue Tung-Sol 5881 Volt question
- HELP please!!!
- Vibro Champ caps
- 456v Plates... Enough for 5881s?
- Marshall Experts- What's the deal with ____?
- Attenuators and Bassman RI's
- 65 Fender BF help!
- Tweed Bandmaster OPT recommendation
- JTM-45 clone bias
- deluxe reverb or any of its clones
- DRRI Bias check with multimeter?
- AC30CCH Choke - FREE
- Any Ideas Fellas?
- A Phoenix is born (out of a Carvin amp)....
- Removing Grill on Fender Concert II
- I think my amp is biased too hot
- Help - large pop when flipping standby switch
- Tfl5000d
- Two Amps one guitar.
- Output Transformer Question
- messed up my traynor ycv40
- Bandmaster extreme drop in volume.
- Weird stuttering feedback at high volume
- Doing some repairs to my old Laney AOR30...capacitor questions
- How do I find out the wattage ouput of my homebuild?
- nasty 120Hz hum & scope trace question
- Hellatone 30 with ???? 212 cab with Bogner Ecstasy head
- Vibro Champ Mods
- What's the op amp do on the Circuit board on my amp?
- Harsh at louder volumes???
- Cool vintage parts ebay score!
- SOZO Vintage Caps, Hype Time!
- Peavey Classic-30 woes. . please help!
- Help in Selecting Proper Parts for Reconing a V30
- Epipy SoCal Reverb
- Do you Risk Damaging your amp by using an attenuator?
- Have you ever tried this mod?
- Switching cabs while in standby
- how much power...
- 5881 High Voltage Update!
- 2x10 tremolux cab
- 1968 Bandmaster Makeover AB765
- Mixing Cap Brands
- Is this an acceptable way of replacing big caps..?
- Marshall Super Bass does something strange
- need advice: simple SE amp tone improvements
- How to tighten tube sockets?
- Please help settle this transformer question
- Super Reverb Cab Question
- Where To Find The Following Caps...
- '66 SUPER REVERB BF changing power tubes
- PT question
- Preamp Tube Identification - Help !
- Quick question on fuses
- :::Pre Amp Out - Power Amp In Question:::
- Bad Tube???
- Treble cap changes & Gain/Tone change
- Adding a LED to a Marshall footswitch
- Fender Champion 600 problem help?
- Vintage Fender Amp Logo Paint?
- Modding a Bassman 100
- 2nd Gain Stage NFB in Early 35w Tweed Amps
- Amp builders/techs....need some assistance
- Are big filter caps suppose to discharge so quickly? (schematics in)
- Ohms load with multiple cabs
- Fender Blackface Breakup Q's
- Help! Shiva Problems!
- Oddball transition Tweed Deluxe---anyone seen this before?
- Did moving cause my hum/buzz?
- A few Laney Issues/Woes
- Telefunken ECC81/12AT7
- Where to buy Heyboers?
- EL34 identification
- Adding Reverb
- The final steps in the laney's repairs, biasing: 10W per 6V6s ok?
vBulletin® v3.7.3, Copyright ©2000-2008, Jelsoft Enterprises Ltd.