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  • stein

    Prosvetari, prosvetari...

    Od stein

    Prosvetari doneli odluku da štrajkuju. Ok, to je njihovo zakonsko pravo. Deca, njihovi učenici, će im se pridružiti, hteli-ne-hteli u tome, časovi će od ponedeljka na dalje, trajati trideset minuta što je ravno za trećinu manje od uobičajenih 45 minuta koji im i inače često nisu dovoljni da iz svakog predmeta savladaju sve pred njih postavljeno gradivo (skidam kapu svim onim nastavnicima i nastavnicama koji mimo predviđenog fonda časova drže dodatnu i dopunsku nastavu da pomognu učenicima da oba
    • 4 komentara
    • 3330 pregledâ
 

DIY Turntable and Linear Tracking Tonearm (samogradnja gramofona i tangencijalne ručice)

Ovih dana sam priveo kraju izgradnju mehaničke tangencijalne ručice za gramofon i time zaokružio proces izgradnje celog gramofona. Uglavnom. Ima još par sitnica koje treba doraditi a to ne spada ovde - boja ili lak na bazi su se rasušili pa je površina na nekim mestima popucala. To samo šmirgla i novi sloj boje/laka mogu da reše. Da se vratim na ručicu i gramofon. Kako sam već milion puta ponovio, gramofon i ručica su u načelu veoma jednostavan mehanički sklop i nema tu mnogo šta da se filozofir

stein

stein

 

Be's Millenium 6000 repair/WBT termination

few day's work ; reason for operation was - broken ends , due to too much manipulation ( they aren't exactly made flexible .... while still fragile ) intention was to dismantle them , without ruining end stickers .......... ya can call me enthusiast however , thin foils are better ........ to my ears btw - main stickers ( at fork ends ) are having arrows , as that cables are "directioned" I couldn't see any fact for that , in their construction

Zen Mod

Zen Mod

 

Merenje JBL L100mk2 / JBL L100mk2 measurements

Družili se malo Peđa, Šoba i ja Malo testirali Peđicinu novu mernu opremicu I napravili neka preliminarna merenja JBL 100 mk2 : Svaka linija 2dB. Moraće da se atenuira visokotonac malo. 2dB je u okviru +/-3% fabričke specifikacije. Dakle manja promena vrednosti otpornika će biti dovoljna da se dovede u red visokotonac. Za bas nema druge nego promena zavojnice pa novo slušanje. Kondiši za visoki i srednji u pripremi. Toliko

Zvu

Zvu

 

JBL L-100 mk2 slike

Malo sličica kako sam i obećao Bas / Bass Srednji / mid Visokotonac / tweeter Mrzi me da slikam I dokaz zašto je dobro ipak otvoriti kutiju ma koliko dobro očuvana bila: skretnica / xover Vidi se da postoje 3 elektrolitska kondenzatora pa ću to promeniti. Veći problem je što se na slici vidi otpornik koji je okrznut. Nisam unutar kutije uspeo da pronađem komadić što će reći da je zalemljen takav kakav jeste. Tek malo dokaza da se i u EU fušeriše kad se ne vidi Uputstvo za up

Zvu

Zvu

 

Taming da Beast - Stratocaster

Fender Stratocaster tweaks , for hum reducing - 0,3mm Cu foil , cut to strips and fields , glued with neoprene glue to back of mask , entire body cavity - all Cu planes strategically connected with soldering and grounded to CT Ground - back of volume pot - entire wiring changed to screened two wire cable , where screen is connected as shield strictly - on upstream signal side - pot shafts lightly oiled Woland's Kidoe will enjoy , I'm sure .............. - ignore pre

Zen Mod

Zen Mod

 

Tannoy OB fun ...... brute force approach

K3809 as main driver , K3833(K3836) as bass helper K3809 are mine , while K3833(K3836) (stars of previous blog entries ) are prepared for SuperFi's Westminster project just having fun with some old OB "wood" , gift from Chakija ( he's not feeling young enough to continue playing with them ....... ) to be continued ...... these days I hope to have some time to mount crude xover , and put them in living room disclaimer - I'm really not expecting real bass ....... that's max wi

Zen Mod

Zen Mod

 

Tannoy K3836 - painting da throat (completion of two previous blog entries)

remove compression driver , sand horn throat, degrease it , cover cone with paper inlets , spray-paint da throat, wait , Dammar everything ( as Gusztav made the button ) , put compression driver back that's it - now K3833 is same as K3836 , excluding two funny golden rings ( to be precise - K3833 having gray basket and two golden rings , while K3836 having black basket and no silly golden rings )...... which will be invisible in WM , anyway . ...... A day later - measured Fs for both b

Zen Mod

Zen Mod

 

Tannoy 3836 - cleaning da gap ......back in action ;)

I'm lazy to comment each picture ; cleaned , horn throat sanded , degreased , painted ; spider area on basket cleaned from glue residue prior to re-gluing it , VC is alligned with shims made of redundant photo ( didn't had usually used plastic foils near by) spare mesh dust cap placed just for fun ...... it will not be used I intend to redo other driver's horn throat in black , to make them same-looking so - pretty much same work as....or even less than complete recone .

Zen Mod

Zen Mod

 

Tannoy 3836 - cleaning da gap

Pair of non-matched Tanns - one 3833 (mint) and one 3836 ( supposedly needing recone ) , tnx to enormous and kind help of Ninja - obtained from outer space for my kiddoe - SuperFi . As confirmed on net , difference between 3833 and 3836 is just here and there in color of some details ( golden ring around surround on one of them , while on other one, that ring is black) . After some examination , measurements of all coils Rdc , I decided to make most direct and most benign steps , to de

Zen Mod

Zen Mod

 

Scent of ole times ...

those were days ....... Hans Dietze's ( Harry F. Olson's colleague) speech , taken from http://oswaldsmillaudio.com/underground/2006.html   aiff file converted to mp3 , download it and listen fun and informative   luckily , those old guys didn't had all the fun , something is left for us   some info about H.F. Olson : http://en.wikipedia.org/wiki/Harry_F._Olson     Herr H. DIetze :         Han

Zen Mod

Zen Mod

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