- crate vintage club problem
- GM70/GM70 parafeed SET?
- Genalex repro KT88s
- Grid - Screen Alignment (X-Rays)
- tube matching
- DC heaters for 5687 in Aikido?
- Connection Jensen 4-pole
- Measuring Output Power
- Modelling stereo PSU in PSUD ...
- Speaker matching transformer.
- Sowter's Radford transformer
- Cathode bias 6LU8 UL/Triode
- Cathode bias 6LU8 UL/Triode
- Sourcing ASC 100uf X386S capacitor
- Looking for a linear triode for lowish B+ CF (6N6P?)
- need spice model 5814a
- 420T or 10E/33B ?????????
- Decca DMI-73 and EL-84 weirdness
- DIY JTM 45/100 Style Guitar Amp
- Pentode guys: important to decouple g2 supply between stages?
- Ccs
- The Friday Chuckle
- Need help deciding what to build
- Why does red plate spell early death?
- Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
- fisher 400 tweaking issues
- GM70 an 813 strapped in SE-UL - circuits?
- need help on transformer secondaries connection
- Partridge audio output transformer value
- Low mu Preamp Triodes as Power Output Tubes
- 300B Transformer temperature
- Standby Switch Problems
- Worth repairing?
- Measuring current distortion
- GM70 sockets?
- high AC mains problem
- 250 V PSU help
- EL34 UL Curves
- datasheet for ge 5star and rca command 5814a?
- PS choke voltage/current quetsion
- push pull power amp design question (a lot of actually :) )
- Knight Amplifier Repair Question
- Grant G100AS circuit diagram?
- Hashimoto A-105 - summary so far
- Related Audio Worlds largest
- Why do valves go microphonic?
- Allen Wright Superreg manual
- Need help on resistor values for 5687 aikido kit
- Pioneer SM83 PP amps
- Techtube valves/tubes
- Datasheet for Russian 6p3s-e
- Continually Blowing Fuses
- I am done with AES -- a short rant.
- CineMag CMMI-15/15B
- In market for a Capacitor meter - for a tube project!
- What amp(s) would you buy under $1500
- Etf 2008
- All FET Aikido
- what 12au7 have different tone ??vintage and modern
- Can 3.5W 2A3 amp drive proAc 1SC?
- British seven pin sockets
- Pentodes, triode mode and grid screen dissipation 101
- Yakov Aronov amps
- Suitable tube pre-amp for Phase Linear 400?
- Goldpoint value?
- TubelabSE 300B power transformer ?
- 316A socket
- Hashimoto A105 - some results (ECC99)
- Some uses for old transformers
- Power Supply Question
- PY82 as rectifier
- Jackson 637 Tube tester Info needed
- pro-ject tube box
- Some dumb Questions on Heater CCS supply
- Aikido loses power?
- Quicksilver 8417/12FQ7 mods
- Calculations for an AIKIDO
- Music Angel Empty shells
- Enclosure for tube amp/speaker/reverb unit
- Need help troubleshooting preamp trouble
- Compactrons on the brain!
- XSE vs. GSXE Edcors
- output transformer
- How to simulate OPT in LTspice?
- 311-b
- PSU Design help !!!
- BDT Preamp build
- Russian tubes / capacitors purchasing
- Bored with Leak ST20 - ideas?
- KT-88 Music Angel problems with sound level
- Fusion Hybrid 300B
- I'm new here..... :(
- DIY/Buy/Kit
- Ralph from Atma-sphere will be giving a talk 09/16
- Modified USB DAC board, DDDAC with triode buffer
- LS50/GU50 Both Grid Drive
- Aikido filament question
- 6l6 Se.
- Feedback requested on 7591 PP design
- Blackburn Mullard/Philips video
- DIY sheilded B+ cable
- Experimenters Tube Sockets
- Used freebies precipitate questions
- Mains toroid as IT with DC balance?
- Tubes for Viva Solista 845 SET amp
- SE transformer for PP duty?
- Warning: new SS relay question / No flame I
- Tube Haunts Thread?
- Problem with Maida regulator
- 2 stage SE IT coupled amps..
- BUF420M Current Sink
- Direct from the mains?
- PSU capacitors: 30uF film ok instead of 100uF electrolytic?
- Annealed silicon core opt`s
- Designing a "cheap" highish-power PP amp...
- Improvements for the Mikael Abdellah KT88???
- DC supply on driver tube hums..
- Sun Audio SV-2A3
- Mullard Blackburn Tube Factory Tour Video
- SE amp: Please suggest a better operating point
- Paralleling Outputs or Bi-amp
- triple triode common cathode - only want to use 2 triodes
- Luxman 3045 Mono Block Tube Amp
- Eye tube for balancing multi amp system
- 12ax7 preamp.
- External PSU for Quad 22 pre-amplifier
- Keep Blowing Fuses
- learning tube rectified psu
- 17JB6... guitar amp?
- Series of Diode on HT Plate
- Quad II power amps......power output transformers!!!
- Mullard (factory) making tubes again
- CFB and A2 operation
- DIY triode
- Interesting symmetrical amp from 1955 magazine
- 6N23P, 6S19P anybody knows?
- Worlds smallest HiFi valve amp
- A DIY Interruptus Moment
- Noisy EL84 amp needs new front end
- Loosening up magnetic "stiction"
- The Return Of Blackburn Mullards?
- Can I use different value cap?
- tubelab SimpleSe power transformer connection question
- need output transformer for Fisher
- help for E182CC linestage/driver
- User Beware: A Report On Jj Tubes
- Depletion mode mosfets for 2mA CCS ?
- New tube stash question
- Stepped attenuator recommendation...
- Pros and cons of Cascoded front ends
- EF86 as a volume pot, line pre 2008
- RCA voltage regulator
- Input voltage attenuation
- Valve Buffer amp
- 6y6ga
- Filmosound L-1 6V6 Volume pot issue
- 3C24 in a SE output stage - output transformer impedance recommendation !!!
- Another 3f4 spice triode model: 5718 submini triode
- hp-8903B advice??
- need info on how to convert my bogen k10 for guitars use
- Differential Amplfiers - current sources under/over the triodes
- Impedance rate VS impedance stability
- Anyone running Mikael's SE KT88 in Pentode?
- what double triode is less microphonic ?
- Need advice on proper use of anode chokes.
- Grounding problem?
- Current regulation for filament of say a 300B
- diagram for OTP 6.6K valve KT88
- Dynaco Pas Transformer
- Regulated screen supply
- Shocked!!!
- set el84 tube amp
- tube preamp RIAA
- 4E27 as a substitution of 845
- LS 37 lite audio phono
- I want to build an amp!!!
- Multimeter test leads?
- Choosing proper g2 grid stoppers for SE UL..?
- audio note P1SE improvements
- Help for choke input regulated PSU
- 5687 perveance
- Where Can I Pick Up Neutral
- Hyperlinear line preamp
- What tube to use.
- Using mains transformer as output transformer
- AutoCAD of tube Packages?
- Has Anyone Tried This Before??
- More Tube Learning (for me) Cathode followers
- weird hum problem
- Simple technique for guitar amp channel switching?
- Weird oscillation
- Tube stash strategy and testing (long)
- Choke loaded LTP
- LM Ericsson 2C51 help!
- Antek TXs??Any use em???
- Speaker impedance questions (SE KT88)
- Spud-Assist: Totem-Pole Current-Mirror PP Hybrid
- my 6922 / E88CC preamp
- For the moderator
- 3 amps for HE speakers
- Pentode sounds great
- Shindo claret
- james 6123hs
- 6550 Amplifier
- ARC Ls 15 Schematic
- Super spud-amp?
- Basic Oscilloscope Usage Questions
- Grounded Cathode phase?
- Simple SE, how to wire CFB with outputs for different speaker impedances?
- PCB Board designer?
- Speaker for your low power tube amp?
- Tube collection Database.
- E288cc value?
- Hi End Tube Project
- parallel SE 2A3
- Want to build a tube/SS hybrid preamp for HT
- Do anyone has schematic for Counterpoint SA3000 ?
- Thermistor B+ or primary
- Measuring AC at Radio Frequencies
- The MingDa MC67-HA meets Frankenstein
- What's the biggest full wave damper diode?
- Maximising Tube Life
- Darling power supply calculations
- This is nice - Pix Ongen tube RIAA amp
- Tubelab SE 45... Super amp!?
- DAC - tube gain stage w/ AC heaters
- Microphonics?
- Insides of Tango Transformers
- Thoughts on horizontal sweep tubes?
- 2A3 Design Issues (Long)
- Design using EL42 output pentodes
- Blumlein's Garter Bias question
- Original ECL86 "Baby Huey" thread
- Too low heater voltage?
- Tube and digital?
- 807 monoblocks
- What to swap a 6AV6 for?
- Pot Noise Help
- cathode bias circuit question
- ECC40 driver stage for 2A3
- heater current and 6922 - 6n6p swap
- Tube Crystal Clock Oscillator
- Decware Zen Plate Model ZSP1
- Battery Power Preamp E188CC review please !
- 6sl7
- Tube sale at AES
- 5v3a
- 813 trioded Datasheet and curves
- Importance of resistor working voltage spec?
- TCJ My-Stock DB