- Tube Radio - What are G & F Terminals?
- Has anyone seen this?
- how would you Parallel a 12ua7 tube
- Tube mod a HT rcvr?
- how would i series a 12au7a
- does some have distortion schematics for 12au7a
- triode strapped tetrode
- 6F6G UL Amplifier
- Build a VT100?
- turrets for tube PC driver board needed
- Mikael Abdellah's kt88, (LOADLINES)
- piezo amp discussion on loudspeaker forum
- Balanced interconnect to differential amp - how would you do it?
- Ebay Tube Preamp Kit
- Kiwame resistors
- Mains isolation - would this work?
- 6CA7 Mikael Abdellah's KT88 SE amp?
- Tube heaters AC or DC?
- Question about system design with the K-12
- CCS on SE 2A3 cathode
- Saucepan Amplifier
- Rectifier query
- Fisher 400c
- Hum Problem
- Shanghai: please recommend some audio shops
- Calculating max Anode Voltage
- One thought about improved Single Ended amplifier
- low distortion sweep generator - not a PC
- Any articles on how to bias correctly
- Max dissp of EH 6sn7
- Switched Capacitor Impedance Converter
- Chinese Output transformer for 300B SET
- Is a VTVM useful?
- Permanent thread name proposal
- Loctal Rectifiers
- Silk Transformers
- Noob Power transformer for Tubelab SimpleSE
- Gain Q
- What cable between PSU and Amp?
- luxman mq 36 schematics
- Nonstandard tubes for audio? Quadrature grid chorus effect?
- Parts assortments sold with organizer
- Re-Gapping OPT
- I want to begin but I don't know how!!!
- Ultralinear with zener on the screen
- ReSEPP Design: 5 Tubes 4 Natural Sound
- Chinese Tube Amp?
- Ampex 351 - Mic pre
- Another ground question
- for the life of me
- Front Panel Express finishes
- transformer spec
- diode bridge - 10000uF cap - diode tube - small cap - HV+
- passive components affected by magnetic fields?
- Help on Pentode Octal Phono Stage (POPS)
- Cascode gain. Did I do something wrong?
- Bad Tube in my "new" Hammond C2 Organ preamp? HELP w/ diagnosis!!
- Need tube data for 10Y
- Bending aluminum?
- Does anyone recognise this 12AU7?
- Phase splitting--how does it work?
- Construction technique?
- function generator
- Ceramic or Magnetic with new preamp?
- Melos Triode 200 fuses
- Fantasia Disney amp
- Ella amplifier problems
- SE design questions before I start my project
- Single stage preamp
- Help me to identify unknown tube
- PSU Question...Full Wave Bridge
- 6as7g Se
- Music Angel Modification
- 6SL7 Phono Preamp
- Grounded Grid Preamp
- Formula question
- 6N9S different versions
- Stoetkit Amps
- PSUD question
- 6922 -- curing the ultrasonic RIAA blues
- Need Help Setting Heater Voltage
- Sub-Miniature Tube Amplifier
- Burned out power tube
- www.agora.lesina.org
- suggestions for a rectifier
- scott 222 recap issues
- Adcom integrated/tube amp project
- Auricaps - 400V vs 450V (SimpleSE)
- ratings of output transformer???
- Reverb insertion losses
- Class-g / class-h
- Cascading gain stages in a tube preamp
- OT impedances calculations: where's my mistake??
- phase splitting transformers
- Tubelab some simpleSE related Qs
- 6L6 PPP UL amp
- g2 driven tubes
- Selecting an IT impedance
- preamp get a hum when volume is at full or 80% is thier away to stop it??
- What can you replace the 12AU7A with???
- My 12AX7 zero negative feedback preamp, with measurement
- improving the Transcendentsound GGP preamp
- Check out my new Phono stage
- load line UL v.s. triode
- Line-Stage w/ balanced output
- Dropped a SIF Ba
- RCA logos and boxes
- Type 24 or 24a for linestage..?
- Line output as line input transformer?
- Siemens codes
- Moskidos on the way.
- Another transformer question
- KT88 Push-Pull
- 45 -> 813 Interstage
- Ulyanov currently manufacturing the 6c33C?
- Is PSU Designer II correct?
- 50c5 push-pull for guitar?
- How much weight can the Hammond chassis hold?
- Inner detail, as opposed to?
- Power Transformer for 6V6 SE Amp Question
- Can this schematic work? 6N6P driver with 6C33C-B OTL
- Tube rating
- Best driver for KT88 Triode SE.
- Unusual tubes to drive a JAN 829B
- LTP w/CCS tail and plate loads
- EL86 OTL
- Russian PIO caps. Should I use them?
- Fender Twin Reverb VIBRATO PROBLEM - weak vibrato
- 300B shootout
- Stay tuned for the Pass F4 tube preamp
- 6j4 oscillating?
- My 6N23P tubes
- Dumb question about Twin Reverb speaker load
- Tone linestage idea
- SimpleSE amp: multiple taps with cathode feedback
- 7W enough for 90dB speakers?
- Meaning of "hard to drive"
- Plate load resistor question
- BWD 216a power supply circuit needed, please help
- 1st DIY project in a loooooong time
- Another AG9016 "addict"
- angela EL34 improvement and mods
- $120 battery powered tube amp on eBay??
- Help with 6AQ5 schematics
- 5691 black base?
- DIY vacuum tubes!
- Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output?
- working out Z out for tube with IXYS IXP10M45S plate load
- Review of New S-5 K-16LS Kit
- Dumb question.
- Suggest KT88 Push-Pull schematics, please.
- AIKIDO: Main Thread???
- 10Y/45 schematic wanted
- Dynaco ST-70 Kits Compaired FYI
- Mini amp using 12AU7's as power tubes?
- Quick question about star grounding
- 3K or 5K OPT in EL35 SimpleSE?
- Bogen L60 schematic
- k-12
- Suggestion on tube for CCS
- Whats the model for this?
- ECL 82 schematic to suggest
- Andrea Ciuffoli's KT88 PP
- Looking for comments on Welborne Labs PS10 reg. HT supply
- Thoughts and suggestions needed.
- PSU shunt capacitor selection
- Looking for comments in my first 300B project
- Transformer Coupling Questions
- ECL82 power supply question
- CGV-300B Amp Results...Fun.
- power transformer rating and tube current - SimpleSE
- Ping Drummerwill.
- Taking a Hammond 369BX filament winding to the limit?
- Using moter run caps in PSU.
- Speaker connect: Speakon or banana
- 50k or 100k output impedance.
- Need help remembering the name of a hybrid amplifier design book
- Measuring Output Impedance of Power Supply
- knob with long end for alpha pots
- IT tutorial n selection
- Anybody help identify these tubes
- CT wire -quick question
- New Amplifier
- Master Volume for Active Tube Crossover?
- Tube lifetime
- Raleigh Audio Preamp - somebody heard ?
- Mikael Abdellah SE KT88 ideas and questions
- Masco MA-8 for guitar
- Bogen CHB-35 to conversion to B-12/B-15
- Melos triode 200+ looking for spare parts
- Opinions on integrated amp project
- 6AL5 for clipping diodes?
- Confusion over Knight 600 tester numbers
- 12AU7A: I need fuzz, overdrive and distortion schematic
- 12AT7 vs 12AU7 (interchangeable?)
- Angela Electronics - Customer Service
- PAS visits the naughty side of town (red lit)
- Summing at the LTPI
- Test of ECC81 to 83
- Polypropylene caps
- Was this already posted here? Handmade tubes video
- Twist dc filament wire?
- Power transformer: How Big?
- Heater supply options and to Vhk rating of 6X4 & 6203
- Hickok TV-7A/U settings for 8417 tube?
- Hammond 125ESE and sections
- 6P15P hybrid amp schema?
- Switching voltage converter for HV supply
- VT4C output transformer
- Sound Multiplex Amp
- Suggestions needed for improving Rogers Cadet II PP power amplifier
- Adjustable Line out off of Extra Speaker Jack
- Transcendere Audio
- Wrong capacitors!
- 6LW6 operating points
- ?? xmer specs for Scott LC 21 or 130 Preamp for rewind...
- Loctal 6SN7?
- peavey heritage vtx how can i make it clean?
- Need some help with simulation
- output tranny for 6AK6
- What tubes for 7K6PP X-former
- Ham radio op makes his own triodes
- Newbie looking for some advice on mods and tubes for Cayin TA-30
- Power Transconductance Amp with Tubes, How?
- using the 6BX7 at low'ish current in Aikido
- What preamp should I build?
- Transformer hookup question.
- Home made vacuum tubes
- My New EL84 PP
- Hammond power transformer fillament rating
- Need help with a Russian Triode
- TRAFO NEEDED FOR EL84 pp
- Difference between 6JN6 (Berning output) and 6JB6 tubes?
- 2A3 SE Amp
- Soldering tubes directly to PCB?
- pa amp distortion at low volume
- Transformer input for guitar
- Potted transformers
- if this can works...
- Differential scope probes?
- Fisher X100B Iron
- Solid state power suppy for CAT SL-1
- Help with wiring a Hammond Power Transformer
- User manual for GTA SE-40 Tube Amp ?
- tube caps that fit.. anyone?
- Heater wires through conduit
- AB2 guitar amp design questions
- Wanted - Svet Sk4A bases
- AC Characteristics of Glow Tubes?
- Bargain Used Transformers: Where?