These are some things I'd like to do in the future, mostly fun things to try out.


plan project description compliment design last update
Soon™ Kaneda Bass cabinet Beyma SM115/N thinking  
Soon™ Tetsuo Rectangular wood tractrix horns JBL 2451J thinking 25-07-2018
Someday™ Quintet Retrofit 6S4P | 6Z11P | 6L6G thinking 17-07-2018
Brainfart™ Morpheus Modular gain/driver stage 6E6P thinking 25-06-2018
Brainfart™ Spudsky Spud with filament bias 6E6P thinking 01-08-2018


EL84 SE Triode amp 6Z9P | 6P14P
E180F | EL84
thinking 22-07-2018
Brainfart™ T.B.D. PP UL power amp (<300Hz) 6E6P | KTxx thinking 25-07-2018
Brainfart™ Tоварищ SE UL pentode amplifier 6E6P | 4P1L thinking 20-07-2018
Brainfart™ T.B.D. Headphone amp no clue no clue n/a
Brainfart™ Prologue 2.0 Integrated amp 5842 | 1626 | 5Y3 thinking


Brainfart™ Bias PCB Passive supply PCBs for fixed bias   thinking 20-07-2018
Brainfart™ Tang Assisted full-range speaker Tangband W8-1772 thinking 20-07-2018
Maybe™ Interloper Integrated amplifier 6E6P | 801A thinking  
Endgame™ Usagi DHT Preamp 26 | AZ1 good to go 09-08-2018
Endgame Yojimbo DHT Poweramp 10Y | 801A | RG1-250 good to go 26-07-2018


And just some things that I want to compare or just try out/build. Some of this stuff I have done in the past but have completely lost touch with the results and just want to try it out.


- Triode driver shoot-out: 5842 vs EC8010 vs 6S45P vs WE437

- Pentode driver shoot-out: D3a vs E810F vs 6688 vs 5847 vs 6Z9P vs 6Z11P vs 6E5P vs 6E6P


- Switch-mode supply for B+/heaters

- Voltage regulator using 6S19P and 6Z1P

- Millett hv regulator

- Silicon Carbide diodes in B+ vs tube rectifier

- SiC vs ultra-fast diodes in DHT filament supply

- LM317 current source vs Coleman regs

- Bias methods for small signal tubes: Fixed (PS and battery) vs Cathode (R and LED) vs Filament

- CCS vs LC vs IT vs RC loads