- ecc83 alternatives?????
- Shunt Reg PS for PT15 ?
- 6AS7 OTL headphone amp schamatic help
- pentodes triodes and stuff
- Separate Power Supplies - Any Benefits?
- does rodding improve pre amps ?
- 12E1 SE Amplifier
- EL34 amplifier
- Linestage topologies
- KEL 84 Knobs
- signal in power supplies ?
- power supply umbilical
- Preamp PSU from salvaged bits?
- Raised Heaters?
- Psu-sos
- C-TEC AMP ultra minimal design
- Phono amp from spares?
- 300b driving question
- Wiring a D3A and E810F....
- Aikido question
- Audioromy 805
- chokes for somenoe...
- Cost no object
- Amp Question.
- 300B PSE into 'phones ??
- sound design pre amp
- Cooper-Smith 20 Watt Valve Amp Design
- Joplin
- 6AS7/6080 PP amp?
- Andrew's C3g/Aikido phono amp
- Offered - 1 watt of heaven
- Transformer Volume Control.
- Simple headphone amp.
- ECL82 Preamp ?
- 300B Valves - Life, what to replace with?
- Fixed bias
- Quantum 102
- mods to TL 83/88 Phono Amp?
- Joplin
- Can tube curves lie?
- heater supply
- Compactron 6FJ7 socket - Help!
- What I did while you were all having fun in Owston
- lets talk about preamps??
- PT15 Amp build
- Dave Slage AVC
- check this out....
- Bl##d@ Push Pull!
- what to do with this amp
- JJ EL509 sweep tube is actually rather good.
- Anyone want a free transformer ?
- CCS loaded 6SN7 driver stage
- In at the Deep End.
- P-P Feedback
- modding the Bada ph-12
- Chip confessions
- ground plane....
- Interelectrode capacitance
- Help Needed!
- 25W OTL amp
- smps design
- How to get a +15v and -15v supply in a Kel84?
- Slight OT - Vishay RN65 resistor in Uk ?
- RIFA Cap's
- Which DC for Hum ?
- working on a design for a killer pre.
- gm70 Boat Anchor monoblocs.
- Komrade DHTski reporting in.
- Heaters - who'd have them
- Integrated Stereo SET Project
- Reservoir caps
- Best output TXs for money help
- Sovtek GZ34 good or bad?
- DC or AC Heater Supplies for DHT
- Aikido headphone amp
- JRB Riaa Phono Question
- Transformer parameter measurements
- fun and frolics with a Glasshouse TVC
- My PSE EL34 finally up and running
- Calculations for interstage transformers?
- Load Resistance for vintage triodes
- Another KEL84 newbie thread
- It can't happen here!
- OTL Amplifier
- loads of circuits here.
- Transformer VA Rating
- Valve DAC buffer
- uf5408?
- best source for good phono sockets?
- this is what I am working on...
- heater wiring tutorial...
- wkz alternatives ?
- interesting diy links...
- my new 300b amplifier
- My first tube amp design
- Newbie 832 Amp
- What am i ?
- I Tried A Transistor Amp!
- basie preamp experiments
- Wow !!!
- Headphone amp PSU Help Pleas
- 50/47uf Electrolytics
- My project for the holidays
- The Perfect Amplifier
- Ampifier cases.
- LargE Oilers
- James JS-6123H output TX ?
- Breath new life into your KEL84...
- 811A amp Class A2
- My new toy
- Changing 100K to 50K pot?
- Could be a daft question...but what the hell
- Coupling cap values?
- amp face panel printing
- modifications in 300B
- Glasshouse 300B
- Vt-25
- Phono Stage
- Super Sanken Final Stage "Tauro"
- 6336A single ended amp
- DC Heater citcuits for DHT
- GM-70 amp
- Basie musings
- 6L6 Push Pull Amp...
- The Walt Jung Super-Regulator
- which end of the screen do you earth?
- Good DIY power amp schematic
- VTV Linestage - Tube choice
- Mini XLR connectors
- diy interconnects
- 845 Project
- wad amp on ebay
- Transformer Covers
- Direct-Coupled PX25 Amp
- Valve Rectified PSU for SimpleEL84 Amp
- My Favorite Balanced DAC
- Just discovered the joy of valves
- Future DIY amplifier
- best cheap output tx's
- formulating theory
- The simple EL84PP amplifier
- RE: Globe Tube equivalent of 6SL7 - Ideas?
- single ended amp brewing....
- 12volt valve pre-amp for a car hifi install???
- 845 Output Trannies
- Input tube choice
- Thermister - what value?
- Screen Voltage Regulation and CCS
- In praise of ... Loftin White
- why ebay could be untrustworthy...
- be honest, where are we at.
- Phono3 Clone
- 832A Amplifier
- Which Chinese SET Amp?
- Re-wiring Output Transformers
- the GAS Amplifier
- 2a3 amplifier
- New JBR Phono Amp - Unicorn variant
- Passive pre
- 300b SE amp and wd25
- single ended power supply
- how to design a perfect preamp in 4 easy steps
- Prof W. Marshall Leach MC Head Amp
- mc valve step up
- quick info on feedback
- Grid bias vs cathode bias
- new system...ok?
- Mr Liang
- schematic for valve phono stage
- What a Silly Preamp
- mullard ecc83
- my diy grounded grid preamp
- Prototype OPT
- A total novice builds a clone (hopefully)
- hagerman bugle
- Diamond AMP - sound as you like.
- 1000w Amp Anyone?
- any ideas for a BOBA type amp.... calling DTB
- Help fixing music angel kt88
- Mr Liang
- Full Wave valve rectifier selection
- Suitability of Stripboard
- SUPEROPA amplifier
- new maplins 4/20
- Fireworks in my valves!
- Ali Taits Owston Aquisitions - How do they sound?
- 300b amp rebuild
- Rocky - The Quatroquel
- Nightmare on EL34 Street
- Adding an LED fed from a 6.3v DC supply
- A tale of two Hampiflyers
- my last invention
- KEL84 / 88VA PCB and Schematics
- Gm70 valves
- Best practice for pre amp rewire, help pls
- Maplin Newton pre-amp
- Leak Stereo 20 advice
- Replacing silicon rectified PSUs with valve based ones
- Hi-end 845 with only two stage
- Simple Mosfet SE amp
- Nelson Pass F3
- Slight prob with amp/pre
- Speaker return path
- Help 6h30 line stage.
- Good DIY tube amp...?
- Rotel rq970 phono amp mods
- 832a PSE
- My Pass B1 Buffer and some help please!!!
- Component Placement?
- Transformer Voltage Off-Load
- PT15 revisited.
- 110v or 240v primary
- looking for classic valve amp
- Troublesome Leak Stereo 20
- New tubes needed
- Hi All
- Steef last IDEA about CFP Stage!
- LM 386 IC Audio Amp
- Pre II cathode follower cap value
- Dodgy VTL ST85
- Last News about Hi-Amp
- Digital Source to what????
- Value of WAD KLPP1 and K5881 PSE amps
- e.a.r 859 clone problems...
- r-core output transformers...
- Tung Sol EF806S
- 845 or 211 ?
- GM70 Tube help please
- 6d22s
- GM70 Tube biasing problem
- Vu meter
- Gm70 variants
- Music Angel hard wired
- my edition of Le Monstre
- OpAmp question...
- Power Supply query
- A question from a swedish BB (feedback)
- Valve buffer for NOS DAC
- Driving an EM84 'Magic Eye'
- Thermistor With Hybrid Graetz G34
- KT66 SE Integrated.
- Extra pin in rectifier valve
- Yarland pro845 or Mr Liang 845 amp
- a good JFET circuit to try
- Glasshouse Passive Pre
- Mr Liang 845 feedback
- Output Transformer Connection
- my best Hybrid 6922 and OPA541
- Some Design Advice please
- Edcor GXSE15-8-5K Output Transformers