- Does this circuit look correct? Bassman/Kendrick content
- Traynor YSR-1; reverb not working...
- Magnatone 107 - Iso Tranny
- Mullard 12ax7?
- Repairing a Fender Vibroverb
- METRO marshall plexi PROBLEM!
- Mesa .50 Caliber + Hum and gain problems
- Princeton reverb failing power tubes in pos one
- '64 Bandmaster 8 Ohm Load OK?
- OT help needed
- Attn: Amp dudes! Tube swap / bias questions
- Brownface Deluxe - minus trem, add reverb and VVR
- Fender Champ AA764 – Time to change the tone caps?
- Marshall DSL 100 - No Green Channel?
- metal 6v6, radiotron,
- EP-3 Echoplex Volume Noise
- Tech Corner
- can I replace a 6SN7gt with a 5691?
- KT-66 in a HRD?
- Fender Blues Junior Back Plate Bolt Gauge?.
- Looking for a amp grill and vent supplier
- On a 100w amp, how do you know all power tubes are "woikin"?
- Speaker for 1974x clone
- Marshall Transformer Question
- 18 watt lite Iib baby will (v 2.3) gain mod?
- Running multiple preamps
- Custom cabinet for '68 Bassman head
- roland jc120 speaker replacement
- Help me pinpoint problem with Fender BDRI please
- BF DR Buzz - cured
- "Fritz" mod for a TRRI
- Fender SS22 Reverb feedback help
- Using a PP OT in a SE setup?
- Biasing Bassman RI LTD without probes
- Fuse question
- Converting an ART Tube MP into something useful
- Symptoms of a dying preamp tube
- Jumping an amp's channel into another amp.
- Power Conditioner for tube amp
- Why doesn't my Champ sound like a Victoria 5112?
- Help with Supro Comet tubes info and ID
- My Fender BJr'just died on me?.
- QSC K10 phasing issues with horn and speaker
- PRS with Fender amp?
- Ampeg Reverberocket 2 GS-12R Inverter question
- Tone Stack Bypass...
- Tweed Build?
- Some questions for cabinet builders
- 5E3 build number one million
- Miniature vacuum tubes- cleaning the pins...
- Is this a ptp or pcb wired amp?
- Really Old Knob Set Screws, Square Drive???
- had a little speaker shoot-out at the house yesterday...
- Tone differences between running a 4 ohm load vs 8 ohm
- Allen sweet spot 1x12 speaker
- No output from Blues Jr III, power tubes?
- taming treble on a 64 super reverb
- Having trouble with my first amp bias attempt: Matamp GT1, please help :)
- Bias Problem: Fender Bassman
- What would make my guitar do this?
- Bogner Goldfinger audio cutting out
- I had a brandnew TungSol RI redplate
- I had a brandnew TungSol RI redplate
- Vintage Gibson GA20RVT need schematic help
- Dr. Z Getting Very Hot!
- New power tubes redplated
- Rectifier change vs. transformer change?
- 1 meg concentric pots?
- Help adding 3 prong cord to 60s Gibson Falcon
- 34s in Vicky Double Deluxe
- D.A.D ( Dead Amp Day..)
- Orange AD30 question
- Ampeg B2 faulty switching relay replacement
- Reverb Info
- DRRI Blown Preamp Tube?
- Dual Rectifier Roadster - No reverb on high gain settings
- Chronic EF86 microphonics?
- Problems wih the tremolo on a new model Gibson GA20RVT
- replacing speaker wire
- Tremolo's up & died on my Falcon (GA19RVT)
- Troubleshooting my champ
- JCM 2000 DSL100 Tube
- 1956 unmarked amp identification
- Need help identifying an old speaker...
- HiFi component inspired amp.. or something
- Peavey Special 112 Repair Help (Pic-Heavy)
- Traynor YVC40 - No reverb
- Fender DeVille Problem?
- How much electricity does a tube amp take to run?
- Tube measuring plug
- Anyone have experience with Valvo 12AX7's?
- What are some things that can cause hiss in an amp?
- Converting board mount tube sockets to chassis mount?
- Sprague capacitors - blue vs black
- Power Supply Filtering Questions
- NOS 12ax7 for a GERMINO Club 40
- Retubed my Super Reverb RI - Issue
- Hypothetical question.......
- Hiwatt noise
- Attenuators Damage Amps!
- Tophat Club Royale Phase Inverter
- VVR in my 5F1
- DRRI reverb/vibrato/foot switch problem
- Is it worth $110 difference for a 1x12" vs. 1x15" PA cab
- Why can't I find all the caps I need from one source?
- Can you help me identify speakers in a half stack?
- '74 Twin Reverb w/ Super Reverb Output Transformer?
- Can anyone help me work out what kind of amp this is?
- NOS Tesla EL34's
- Eico 625 tester?
- How to wire AC30 channels in phase?
- Modding a volume pedal to work with Strymon Timeline
- Celestion Creamback?
- Orange Dark Terror 15W possible mod?
- Rectifier tube rattles when shaken but seems to work
- Speaker outs 4/8/16Ω. Can I plug into multiple??
- JCM800,100 watt- 2 vintage 30s? ok?
- 12AY7 for a 12AX7
- Battery Testing
- Fender Rivera Concert amp input jacks
- Fender Normal/Vibrato channel phase
- 300k audio taper pots ?
- Red Fang changes?
- 5E3 - hit it or quit it?
- Bias Right ?
- 2-12 baffle speaker placement
- Can wrong ohm speaker damage amp?
- Tube testing procedure?
- Question about front mounting speakers in a cabinet ?
- This seems very strange!
- The Spilled Beer Saga
- Filter Choke?
- Did I bias my Allen amp correctly?
- Effect of changing filter cap values?
- Egnater Rebel 20 pop and crackle issues
- Bugera compatible tubes - Groove Tubesss
- Tone over Time
- JCM 800 kit completed. Some questions...
- Harmony H430 (Valco): good candidate for subbing 6CZ5 for 6973?
- Fender Champ 6V6 question - no negative voltage for bias
- Retubing the Matchless DC-30 (round 2) for recording!
- Rivera Clubster 45 tube replacement
- Opinions from experienced amp builders
- How can I wire an effects pedal into true bypass?
- Octal or not to Octal?
- How do you tolex an oval back?
- Please help me understand this schematic
- Building a tube amp
- How to set bias on PRRI
- Making a mono 4x12 stereo
- Has anyone tried the "blowout" 12AX7s from tubemonger ?
- Great Cabinet finish!
- speaker as microphone
- Mesa 'compressed' crunch tones....why?
- Silverface grid to grnd caps, snip em?
- Mesa F series footswitch
- Mesa F series footswitch
- 1/4 power switch mod for a Deluxe Reverb?
- Modern 6L6's in my '61 Tremolux...
- Blues Deluxe Power tube rattle
- Biasing 72 Fender Vibrolux Reverb question
- tube amp input impedance question.
- signal attenuation
- Substituting KT-66s for 6L6Gs in a '49 Tweed Pro
- op-amp symmetrical clipping stage ?
- 6N8S - similar to, same as 6SN7?
- Different brands 6V6 matched tubes?
- Eminence 50 watt speaker & 150 watt difference?
- Amp loosing treble and volume
- Cabinet repair (I'm in San Diego)
- Fuse Question on Amp
- Doubling speakers vs. Doubling Watts: What Happens?
- Glueing tolex
- RCA film projector amp
- Fender Blues Jr Help
- Where to buy chassis boxes?
- Absolute best Jensen recones?
- DRRI tone coupling cap question?
- Monitors and Amps
- Verry Loud Hum problem On 5150II
- 5881 to EL34 in a 50 watts amp
- Is this broken(-ish) tube safe to use?
- 11" deep cab, enough for a closed back ?
- Problems manifest as the amp heats up
- So what happens when the master volume pot on a 100W amp fails?
- Book for basic understanding of amp circuits?
- possibility of tube change in a "hybrid" amp
- Eminence Vintage Purples - how close do they come to duplicating the 'Fane' tone?
- whats the smoothest celecstion and eminence speaker
- Can re-coned speakers sound as good as original vintage?
- Hammond 1650N burnt...?
- Fender Hot Rod Deluxe issues. (possible bad caps?)
- B-52 AT-112 Problems
- yet another bassman question
- Recommend resistor seller
- What's been done to this Custom Vibrolux Reverb?
- Help!! Vox AC30CC2 Speaker Problem !!!
- Carlsboro Stingray Super
- Buffers and Tube Amp Inputs
- Building an amp around a POD HD
- The Blues Junior from Hell
- Marshall JMP Level II + Overdrive mods?
- 12ax7 or 12au7 in a Behringer AC108/bugera bc15
- EP-3 Echoplex - No Echo (echo, echo)
- Can feeding pedals into an amp reveal any issues with the amp?
- Tubes for my Boogie
- Reducing annoying Mesa channel switching mute
- Grill/Back Panel for Traynor YBA-2B Bass Mate
- Tweed Deluxe Silk Screen
- What does the term "Lafayette" mean when used with NOS Mullard ax7's
- Tweed deluxe 5C3 question
- Aussies - are 230v devices OK for us?
- Sylvania Short Gray Plate 12ax7 Question
- Does Scumback have a V30 equivalent?
- Noob Cab Question
- For anyone with grounding problems
- fried PT on fender champion 600?
- Home built amp cradle
- What kind of tremolo on Vox?
- Understanding tubes
- Blackface Deluxe Reverb Too Bright
- 10" speaker recommendations for Allen Old Flame
- BF Super Influenced Build Completed w/clip!
- WGS G12C in Gemini I?
- Garnet - Reverb Tank
- Original Tweed Harvard Specs
- 5F8-A clone issues...a little advice needed
- Headshell shielding
- Who Could Test Tubes These Days?
- Goldfinger 45 Loop Features
- Vox AC15HW1 Tube Help
- Amp is losing highs... time for new tubes?
- Princeton Rev. PT question
- Tube mistake! Need help/advice!
- Amp has efx loop send/return AND pre out/power amp in jacks
- Octal rectifier that will drop the most voltage?
- Hot Rod Deluxe smoking!
- Fender Blues Deville
- What NOS Tube is Good for the Phase Inverter?
- Bugera head question
- 2x12 cab w/ 2 8 ohm speakers - series or parallel?
- Raised Letters on Bottom of Mullard 12AX7s
- 6SN7 and ECC85 tubes
- Modified Mesa Boogie Studio .22
- hitting amp input with max-gained mic preamp: bad?
- 2001 Marshall 1960B 4x12 sounds terrible
- Pilot Light
- DIY Tremolo Fun
- 65amps trouble changing preamp tubes?
- Marshall JMP Grounding issue