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SissySIT P ..... or how I proved fact of making more Hats than Pa did


Zen Mod

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https://www.diyaudio.com/community/threads/sissysit-p-or-how-i-proved-fact-of-making-more-hats-than-pa-did.385400/#post-7000665

 

Well, anyone at least partially partial with my omnipresent babbling, knows about endless series of M2 derivatives, I made sorta recently
All of them having M2-like Front End (my biggest Fetish), so entire voltage gain got from autoformer, so no (overall) NFB involved
Also - all of them having second of my recent Fetishes - Square Law OS

Ok, that is line of unnecessary long line of M2 derivatives, difference being that each is having different quirk of OS parts

Then came next fixation point... when I concocted FE for Babelfish XA252, biggest part of invention was proper name for same FE - Plethora of Pinjatas ....... so I ( naturally) came to idea of making second totally unnecessary line of derivatives, now having Plethora of Pinjatas FE, and simply varying already proven SL OS iterations

This line having slightly different ( sorta mirrored/flipped/downundered/whatever) biasing mechanimus, comparing to older specimens, this one directly taken form Babelfish XA252
Comparing to older ones ( having opto between Mosfet Gates and fixed resistors from rails to gates), there are current mirrors from rails to fixed resistor(s) between Mosfet gates; result is better Iq behavior in domain of rails change, same as better Iq behavior in thermal change domain, and also firmer relaxation factor (Iq stability in dynamic domain; think recovery time if change occurs with long large signal)

Anyway, let's ignore Babelfish XA252 as first one, declare SissySIT P (P suffix for Plethora of Pinjatas family) as first one

Am I happy ...... yes! (this one done, so I can think of working on next :smesna:

Confirming same amp sound character, for amps made without NFB and with Autoformer gain and amps made with sorta heavy NFB and active gain ....... well, not exactly a novelty per se

this post intentionally made pic-less - in case of later edits, lesser mess

 

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and, while in Office

SissySIT P block schm.

as Pa would count it , two stages, plus two half stages

( how would Dr. Haus comment ?
considering M2 derivatives, where we have - half stage, xformer stage, half stage ..... so by ZM Count - no stages at all!)

 

 

SissySIT P block schm.png

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pre 33 minuta, Zen Mod reče

kaže W. :

-nis' se obruk'o.

 

:Viannen_loungelizard:




Dobro je!
2718 od ukupno 2719 članova je odahnulo.
Onaj jedan što nije zadržavao dah je Zen. On je znao da je dobro i prije. :D 

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nije se obru'ko, džaba sam se ponadao - nedade mi priliku da ga pošteno opljunem :D a, ono P u nazivu mu ga dođe od Pošteno, a ne od štatijaznam šta su ti Plethora of Pinjatas (znam al' me boli uvo), zato što pošteno svira :) križanac je to između SissySIT i XA252, malo više zanosi na XA stranu: zvuk čist na drugu decimalu, sa dominantnim drugim harmonikom, dakle muzikalan, poprilično detaljan i pocupkujući, dakle zabavan.. brzo pojačalo, veoma konkretno u sredini, očekivano precizno u basu i neopterećujućih visokih

i ova iteracija sledi već poznatu (meni) ideju 

na dnu druge fotki se vidi poklon koji sam dobio :wub: hvala još jednom :thumbsup:

i da - slušali smo Gabi Novak, ploču sa kraja šezdesetih :D

 

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4 minutes ago, Zen Mod said:

Gabica ......   :crazyrocker:

Kad već pomenuste Gabi, ne znam da li ste slušali da ne postavljam klip dugačak je postoji serijal emisija Koncert iz dnevne sobe gde Ante Gelo svira sa raznim gostima a kapela izmedju ostalih je bila i Gabi, vredi poslušati.

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