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#1 |
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diyAudio Member
Join Date: Oct 2009
Location: es-es
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Hi everybody.I made a bryston 4b-7b serie in my spare time.
![]() schematik is here : Bryston Limited - Music For A Generation Ampfilier is very sound quality but little bass. |
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#2 |
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diyAudio Member
Join Date: Mar 2007
Location: Istanbul
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arkadaşım bu amfiye neyden sinyal giriyosun bilmiyorum ama giriş empendansı 1k ohm buffer kullanmassan basslarda iyi olmaması doğal kendi şemasında önünde opamp felan var 50k ohm giriş empendansı var. çok sağlam amfi
Last edited by umut1001; 11th December 2009 at 07:46 PM. |
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#3 |
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diyAudio Member
Join Date: Nov 2006
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#4 |
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diyAudio Member
Join Date: Mar 2007
Location: Istanbul
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My friend wrote this.He does not know english.He says to use buffer otherwise you can not get bass.
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#5 |
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diyAudio Member
Join Date: Aug 2002
Location: Sofia
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Don't know about buffer but using PS caps will surely help.
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#6 |
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diyAudio Member
Join Date: Jul 2004
Location: europe
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.....using PS caps will surely help.
the best joke i ever heard! |
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#7 |
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diyAudio Member
Join Date: Mar 2007
Location: Istanbul
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#8 |
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diyAudio Member
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Congratulations, it looks like quite a bit of work went into that.
I have a Bryston, the guts of it are a 2B, and the bass is very strong (into my PMC floorstanders). What you built should have at least as much bass as mine. So the circuit topology should be fine. That leaves components ? Big power supply capacitors provide energy storage for the amplifier to draw on for big bass peaks so if you've got tiny caps, which it looks like from the photo, you need more capacitance on the power supply rails.
__________________
"The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed." Robert M Pirsig. |
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#9 |
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diyAudio Member
Join Date: Oct 2009
Location: es-es
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Umut arkadaşım.Öncelikle Burda bir turk gördüğüme öncelikle sevindim.
Opamp Preanfisi var.DOA 33 diye isimlendirmişler.Bu cihazı yaparken aynı zamanda crown xls 202 serisini yaptık.İkisini aynı beslemeyle aynı anda dinleyince bu anfi baslarda zayıf insan seslerinde çok iyi.Ancak crownda da bundaki insan sesleri yok. bu likde xls 202 serisi için Bloggang.com : K_evens : C-500 Power Amplifier |
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#10 | |
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diyAudio Moderator
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Quote:
Many thanks!
__________________
“Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache |
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