Mesa Recto/FET Homemade

Izrada, održavanje, saveti...

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mislim_stvarno
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Re: Mesa Recto/FET Homemade

Post by mislim_stvarno » 26 Dec 2008, 13:24

Ako je ovo Dr. Boogie, i ja sam ga napravio ali ga koristim kao pedalu, ne kao posebno pojacalo...

Kako si napravio POWER amp?
Mogao bi da stavis neku shemicu powerampa ili link...

mensur87
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Joined: 26 Dec 2008, 12:37

Re: Mesa Recto/FET Homemade

Post by mensur87 » 26 Dec 2008, 14:18

Jeste DR Boogey ali sam ja uradio nesto novo, miller effect kondovi, output buffer, power,signal ground layout...mnogo je poboljsaniji, radi na 24V, sam sam dizajnirao layout.Poweramp:
http://www.st.com/stonline/books/pdf/docs/1057.pdf

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dweezil
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Re: Mesa Recto/FET Homemade

Post by dweezil » 27 Dec 2008, 20:17

svaka chasss matori, stvarno lepo shljaka. :) A kakva je ono kutija?! Jedna 12 i jedna 10-ka? Jesi stavljao bash j201?!

mensur87
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Re: Mesa Recto/FET Homemade

Post by mensur87 » 27 Dec 2008, 22:39

Hvala, nije tipican dizajn DR boogie-a, malo sam ubacio svojih stvari(dizajnirao novi layout, dodao miller kondove, stabilisao napajanje, FET-ovi su 2n5484,dodao output buffer,radi na 24V a pojacalo na +/- 30V) i svasta nesto...

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dweezil
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Re: Mesa Recto/FET Homemade

Post by dweezil » 27 Dec 2008, 22:56

cool a kutija ispod head-a koja je? Koji su ono zvucnici, jedna 12-ica i jedna 10-ka?!

mensur87
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Re: Mesa Recto/FET Homemade

Post by mensur87 » 27 Dec 2008, 23:20

Kutiju sam sam napravio, dve 10''

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Rocket Roll
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Re: Mesa Recto/FET Homemade

Post by Rocket Roll » 27 Dec 2008, 23:34

mensur87 wrote:...malo sam ubacio svojih stvari (dizajnirao novi layout, dodao miller kondove, stabilisao napajanje, FET-ovi su 2n5484,dodao output buffer,radi na 24V a pojacalo na +/- 30V) i svasta nesto...
Čekaj, zar Gaussmarkov verzija Dr Boogeyja (http://gaussmarkov.net/wordpress/circuits/dr-boogey/) već nema dodate Miller kondiše (C17, C18, C19), input coupling kondiš (C21), filter otpornik (R18) i filtriranje struje (R16, R17, C20)?

Jesi dodavao još nešto preko toga ili si samo uradio novi layout za Gaussmarkov verziju?

mensur87
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Joined: 26 Dec 2008, 12:37

Re: Mesa Recto/FET Homemade

Post by mensur87 » 27 Dec 2008, 23:38

Gaussmarkov verzija Dr Boogeyja ima kondoveza J201 FET-ove, ja sam preracunavao za ove moje...,filtriranje struje kod moje verzije je sa stabilizatorom napajanja(LM317), dodao sam output buffer

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Rocket Roll
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Re: Mesa Recto/FET Homemade

Post by Rocket Roll » 27 Dec 2008, 23:48

Aha, malo me je zbunilo kako si se izrazio - "dodati" Miller kondenzatori/ "nova" stabilizacija itd. nije isto što i "redizajnirani" već postojeći elementi kola.

Koliko razlike primećuješ u odnosu na klasični Dr Boogey?

mensur87
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Joined: 26 Dec 2008, 12:37

Re: Mesa Recto/FET Homemade

Post by mensur87 » 28 Dec 2008, 02:13

Koliko sam cuo kod ostalih samograditelja,zvuk je OK, slican je Mesi, ali ima taj mutan ton u pozadini. Kod mojeg preampa to nije tako(zbog output buffera), iako u mojim samplovima se ne cuje najbolje(zato sto sam snimao sa PC mic-om, bukvalno do same membrane zvucnika,ali obecavam cim uskoro nabavim dobar mic, pravim nove samplove).

mensur87
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Re: Mesa Recto/FET Homemade

Post by mensur87 » 11 Jan 2009, 14:32

Novi (bolji) semplovi:
Mesa New.mp3
Mesa Solo.mp3

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nemanjavelimirovic
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Re: Mesa Recto/FET Homemade

Post by nemanjavelimirovic » 11 Jan 2009, 14:58

Super zvuci....Daj neki KLIN!

vasko
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Re: Mesa Recto/FET Homemade

Post by vasko » 11 Jan 2009, 18:18

svaka cast,ovo stvarno zvuci ko mesa!

kako se ponasa ovo ako bi mu na pocetak stavio tube screamer? isto kao lampe?

mensur87
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Re: Mesa Recto/FET Homemade

Post by mensur87 » 12 Jan 2009, 19:45

Hvala momci,
Klin nije moguc jer moja gitra ima humove, pa koliko god smanjio ima malo distorzije,ali kad pokupim strata od drugara, snimam:-)

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