View Full Version : Amp Technical Info
- JAN Philips 7581a for Two Rock
- 8 ohm cab into 4 ohm solid state amp?
- Signal Generator for Tube Rattle?
- Princeton 1960 need help!!
- 5F1 heater circuit - please help
- 5E3 with Pro Transformer... best caps..
- Buffer vs True Bypass ?
- Tube biasing question
- Definitive answer on this: attn. builders!!
- Anyone know what a 5687 tube is.
- Preamp tube flashes at turn on?
- A somewhat off topic question...
- Changing the tubes in a Super Reverb RI.
- Amp Chassis Source
- Question on my real mullards
- Using Speaker Out as Line Out
- Opinions on the E-H 6L6GC's?
- Tell me about these tubes..
- 6550 for 6V6GT. Will it blow up?
- Wiring a lamp to the heaters...
- When all pots go scratchy (not due to bad pots!)
- Good amp tech
- EF86: philips, siemens or mullard
- Raytheon and Sylvania 12ax7 differences
- Need Help Replacing Tremelo Bug
- generic 1/4" adapters for speaker cable use?
- Negative Feedback (?)
- Pentode, Tetrode, Triode, Diode... Ode to 'Odes
- Best Filter Caps for Marshall?
- DRRI question
- Stupid question, I forget...
- Marshall JTM 30 Bias Adjustment
- Cap Cans versus Single Caps
- Vibrochamp issues
- Cooling down a hot amp...?
- Bias range for JMP style amp
- Amp tech in NYC?
- Rectifier Education.......can u help pls?
- Good NOS 6K11 for Ampeg V-4B?
- What should I do with this?
- Phase inversion technical question
- speaker cable question
- how many watts would this be?
- spare fuses
- Diezel Herbert Tube Question
- Please see my "Bare Wires" thread in G&A Section
- Hey GUYS..DID I SCORE, OR NO?
- Mesa Mk 111 Bias Problem
- Is Sprague the ONLY electrolytic?
- 5U4 --> 5Y3 in a Recto?
- Tube ID
- 12at7...?
- Adding a bias pot
- Upgrade transformer in Deluxe Reverb to accept 6L6 power tubes
- Can I run these? 5R4GY & 5R4WGA
- Noob output trans question.
- Is it possible my Bassman 6G6-B wants 8 ohms?
- Raytheon 12ax7a.............. Wow!!
- YAMAHA G100 410: Intermittent problem
- amp ohms?
- Cap Identification help please.
- Tubes in 5F6-A Circuit
- soldering station
- Egnater Nov 18th seminar
- Speaker Leads - Pos Or Neg To Tip Or Sleeve ?
- HELP: My Jubilee 2553 hums when switched to half power
- How to wire 8 ohm tap from OT?
- Where to buy hi-fi tube amp kits?
- Leslie 147 Tube Replacement
- Fender Princeton volume pot issue
- OK to use a tube w/a partially broken guide?
- Blackface Princeton Reverb- Help!
- Ok, what did I do? Sovtek head blowing mains fuse..
- Tonemaster help
- Can we talk about speaker distortion
- How hot do tubes get?
- Where do you get your tubes?
- Bias troubleshooting - 2 questions
- Can old caps cause a loss of clarity?
- Tube loose from base should I superglue?
- Tube Glow question
- Tweed Super Bias
- Amp Boosting by a Core One Coiled Cable?
- What the hell is going on?
- Amp Diagnosis Needed
- Different chinese 12AX7 plate colours
- 12AX7 ID Valvo or Matsushita ?
- Are NOS 6L6's all dried up?
- Simple effects loop?
- Reverb makes hum and feedback
- How To:Diag. OPT failure?
- reverb noise in twin bad capacitor
- Run amp at 4 ohms or 16 ohms?
- Tube ID: Is this a genuine Mullard
- Tube ID: another Mullard question
- Amp Gurus, Rocca, FJA - Mesa Rocket 44 Hum
- Quick/Dumb question
- 6L6's vs. EL34's...what's the difference...
- Can I use a 5U4 in my Vox?
- Need Help Solving Noise Issue in my 18watt TMB
- Heritage G12H pin/turret Problem
- Epiphone Valve Junior Tube Replacement question
- Speaker Wire (Inside Cab)...16AWG?
- Ef86?
- Wiring Diagram for two jack series wiring??
- Microphonic 12ax7
- Tube Socket Troubles?
- Got the Motorboat Putt-Putting around in my amp
- 12ax7 Id?
- Vox AC30 Reissue...
- Trouble shooting my amp
- 1964 Pro Amp??????
- '53 Princeton--no volume
- Tube Newb bias question
- HRD tweaking questions
- More 12ax7 ID
- Help me with my Hot Rod Deville man!
- Making A Reverb Unit Out Of A Reverb Tank (question
- Listen to this clip and tell me whats wrong
- JCM900 inside pics needed...
- Crackling noise and amp cuts out and in
- AC30 annoying hum?
- Seperate Cathode Resistors for KT66
- 6V6 Tube recc. for El34 swap - JJ? Tung-Sol?
- Best NP 6L6's?
- amp tech that could instal effects loop deluxe reverb ?
- new tubes...burn in?
- I need a chassis layout for a Fender Concert (Rivera era)
- Rocommend tubes for my Fender Concert (rivera era)
- Who makes Mesa's branded tubes?
- Laney VH100R Questions - 5881 Sovtek
- mid pot on deluxe reverb
- Noob tube question re Victoria Sovereign
- Dumb tube question... English GEC KT66
- Output tube matching jack
- HELP! I've never had to replace tubes before!
- mid mods for a DRRI ?
- Vox Ac 30 clone transformer/choke opinion
- Epiphone valve jr. OT mod
- Odd sound when I play a high E......
- How does the EL34 Shiva pull 80 Watts?
- Mesa STR 416 6CA7/EL34 ?
- Toughest New EL-34 ?
- My Traynor Bassmate caught fire
- I want to rebuild my ep-2 echo plex need help
- Crackling Noise, A Power Tube With Bright Orange Blob...
- Testing an Output Transformer for a short
- Need help with headroom JTM45RI
- 6V6 Tung-sol or jj's?? or other new tubes
- Diagnose problem with my Deluxe
- I Need Help*******(JJ users, I have a question)
- another (easy?) ohms question
- DRRI OT-Who makes the best?
- Couple of Tube Questions...
- 6W6? exact replacement of 6V6?
- Laney VH100R Update!!!
- Double Deluxe kits?
- Dumb Question On Xtc 101b
- Footswitchable piezo horn?
- Diagnose this...
- Can you run an 8 and 16 ohm speaker together??
- Recto change, re-bias the amp?
- A lil effects pedal help (ross phaser)
- Can I use GEC kt66s that ain't matched in my jtm45?
- external speaker out to direct box -- bad for amp?
- Raytheon short plate...
- Found a few tubes..I wonder are they recto's?
- What determines an amps volume?
- pulling ONE power tube in a 2-power tube amp
- help-- modding an ampeg jet j12t
- 5ar4 and ef86 settings needed for a hickok
- Silver plate 12AX7 ?
- Bad Cat Cub, blows fuses
- What tubes for my Traynor YCV80?
- Princeton replacement speaker
- How could I use my reverb circuit as an effects loop?
- RockyTop JTM45 Jumpering . . blew fuse ?
- Hiwatt DR504 12AX7's
- Question for you amp gurus
- How do I safely remove the bell cover from my Alnico Blue speaker?
- A good, inexpensive, soldering station for doing amp mods?
- Broken input jacks
- 6L6GC's: Ruby Tubes?
- Vintage Fender 4ohm to 8ohm?
- Need help
- Question about De-Modding a "Rich Mod" or PPIMV
- What other choices do I have besides 6L6 power tubes? Why should I choose them?
- On my next Amp service
- Whats the best way to change a 2x12 cab w/ 2 16 ohm to 8 ohm?
- TAD 6L6GC Vs SED Winged C
- Dead 'Verb on my Trem-O-Verb
- OT brands - price/performance difference?
- Are there any good stereo amp plans out there?
- GT Soul-O 45-signal cutting out or amp humming loudly
- BFDR Hum
- Tone King Imperial Bias Question/Issue
- speaker and amp impedance
- Carr Mercury experiment: 6L6 vs EL34 vs KT66
- Retubing=Less Volume - Why?
- Vox AC50 advice
- Kustom Hustler amp question
- Classic 30 (head) minimum impedance?
- 12at7 in V4 in blackface amp?
- Blues Jr. tube question
- Weber books
- amp questions
- Marshall question - what are the preamp tubes for?
- Fender DRRI was dropped and it ain't happy
- Brown based Marshall EL34 any good?
- Help...question about Oliver Amps
- VERY low output on my marshall 1973 50 watt help!
- speaker motor based attenuator
- Using a resistor to change speaker ohms?
- Traynor Custom Reverb input gain mod q's...
- Is Speaker Dope Rubber Cement?
- pro reverb tube questions
- Why does my Reverb pedal have no effect?
- john suhr OD-100 Standard mod to...Classic???
- Blackface Family Ties: Three Wayward Deluxe Reverbs
- applying tolex
- Who Makes Nice Marshall Cabinets?
- capacitor discharger
- Rebias necessary for rectifier swap?
- Did some maintenance, now a problem.
- Bias Question or better..no bias question?
- Silverface Super Reverb Problem
- How much experience/knowledge before modding?
- 6l6GC / KT-66 (question)
- EL-34 Bias ?
- wiring speakers for ohms? HELP!!
- IT-12 Scematic/Manual Needed
- Is it OK to mix Low watt and High watt speakers?
- Baffle board thickness?
- Tungsram 12AX7's.....
- Doug's Tubes
- KT-66 / question
- My amp just died (??) help!
- Dr. Z MAZ 18 won't power up - ideas?
- Solid State rectifier
- Breaking in a guitar speaker on a stereo?
- Speaker 'clicks' or 'snaps' when pushed?
- How do you use the line out of an amp head with another power amp?
- Rivera, replace which valves?
- Best place to buy KT-66's?
- first time for everything...Time to replace some tubes..
- Wierd Amp Crackle - Clips
- 5U4 vs 5Y3 rectifier tubes
- Why Do People Sometimes "Under-spec" OTs?
- Keeping dust out of open sockets?
- Need cab recovered, NW OH, NE IN, S MI
vBulletin® v3.7.3, Copyright ©2000-2008, Jelsoft Enterprises Ltd.