Il Penitente

[Zen Mod]

kao i uvek, lenj da kucam ponovo, pa copy-paste sa Big DiyA:

yup, as I said , bad influence of Cyclotron emanation , all the way from Bubba Bob's Davis ...... 'Talian names popping as mushrooms after the rain

anyway, what's better to put on pizza than mushrooms .......

So, last one in series of autoformer gain amps (you can call them all - M2 on Mushrooms ) , this one differing on outputs being classic BJT complementary pair, so sorta blasphemy in Papaland ......... he sinned heavily eons ago ....... while my Sin is recent........  

Anyway, here's funny diagram, showing nothing else than bunch of multilegged fuses and some nice iron

hm, yes, my prototype equipped with first genuine ones I snatched from drawer - 2SA1491/2SC3855 ....... but pretty much any "for Audio amp" complementary pair should work well ........ 2SA1943/2SC5200 , TTA/TTC (newest Toshiba incarnation of 2SA/2SC)

rails +/-23V, Iq 1A5

2nd is clearly neg phase, not seen from my gigglywiggly, but I stumbled on nice routine in LTSpice showing just that behavior and didn't yet found reason to doubt it

 

[Zen Mod]

some funny pics from my workbench

[Zen Mod]

now, usual drill with 8R load

[Zen Mod]

usual drill with 4R load

[Zen Mod]

Ok , that's it .......

Pretty straightforward..... nice SETish THD spectra ....... but wait !!

There is also Il Penitente - Il Spettacolo!!!

 

 

[Zen Mod]

Now - Il Penitente Il Spettacolo is wakoo iteration with special parts in output stage

we can call then Insulated Gate Bastard Transistors ........ made simply by tossing out source resistors of TO220 mosfets, so mosfets are covering just base current of output BJTS

here's schm

[Zen Mod]

graphs, 8R load

difference to boring regular Il Penitente is - more uniform THD Spectra on all power levels

[Zen Mod]

graphs 4R load

[Zen Mod]

that's all

I'm gone, watching Whales

 

[Mikorist]

IP

Jel slatkast onako zvuk nije kisel ?

[Zen Mod]

onako, starinski , nije D klasa

 

[Sync]

Kako znas da radi ako nema led na pcb? 🤡

[Zen Mod]

ima na vrljelkovima napajackim

 

al se ne vidi na fotki

 

da predupredim Chakiju - bolji je od BJ2

 

[Sync]

Ma sve sam vido 😂.. sija ko varnica. 

[chakija]

Samo jedan nacin da se potvrdi 

Ovako, na osnovu grafika je lošiji... 

[Zen Mod]

Chakija, si ti siguran da ni/si muzicar?

[zerowaf]

pre 58 minuta, Zen Mod reče

da predupredim Chakiju - bolji je od BJ2

 

Pusti BJ2....jel´ bolji od LuDefa?



P.S. Ne mogu iskljuciti porno um....kad god vidim "BJ" procitam to kao Blow job....    ,  pa ako je bolji od BJ2 onda mora bitida vrijedi nesto   

[Zen Mod]

mda

i LuDEF je bolji od BJ2

[zerowaf]

pre 16 minuta, Zen Mod reče

mda

i LuDEF je bolji od BJ2

 


Slutim da znam odgovor. no, ipak cu napraviti centarsut u sesnajsterac.....ovoga......htio sam reci, ipak cu postaviti neduzno pitanje:
Je li TPA3116 D klasa bolja od BJ2?

[Zen Mod]

mjok

od toga je cak i SissySIT bolji

[Mikorist]

Ja sam poludeo sad da nabavim ove FR od 18 inča

 

 

[Mikorist]

Znam pitaćeš me da slikam korpu sa strane....

Aha liveni gus