Search found 51 matches

by kymar
30 Nov 2012, 15:58
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

[quote It have (9v+9v) 0,8a, connected in series gives you 18v 0,8a which enough to the project][/quote]
Sorry! Looking in datasheet, I saw that it had only 89 mA, this may not be enough
by kymar
30 Nov 2012, 15:45
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

his pedal works with 18AC or 18DC? This is the original scheme that uses 18-24 VAC In my case i use 18 VAC toroid trans ok,Toroidal you told me and I remembered that I have one here will want to work on the project? AMVECO 70001k photo attached. Why not? It have (9v+9v) 0,8a, connected in series gi...
by kymar
29 Nov 2012, 14:41
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

andregarcia57 wrote:
kymar wrote:
his pedal works with 18AC or 18DC?
This is the original scheme that uses 18-24 VAC
In my case i use 18 VAC toroid trans


this power supply can be?

18v Ac 0,8a

http://produto.mercadolivre.com.br/MLB- ... ac-08a-_JM
I think it is quite suitable
by kymar
29 Nov 2012, 14:16
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

his pedal works with 18AC or 18DC?
This is the original scheme that uses 18-24 VAC
In my case i use 18 VAC toroid trans
I saw the сhinese universal wah enclosures
if it is not hard give me a link
by kymar
29 Nov 2012, 13:09
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

Very original old method making the board by cutting the copper coating, I have not seen this over 20 years :applause:
by kymar
29 Nov 2012, 13:02
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

Can anyone help me find an original Univibe enclosure size (may be some drawings)? Unfortunately, this is remains a mystery, you can try to guess the dimensions from guts and the existing PCB. I used Hammond 1550G, It houses circuit board, toroidal transformer and controls without any problems. I h...
by kymar
01 Nov 2012, 09:04
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

onebuzz wrote:Would these light cells work? http://www.allelectronics.com/make-a-st ... TOR/1.html
I think they will, they have a wide range of working resistance, nowadays produced they must have fast response,
sensitivity is not so important in UV
by kymar
31 Oct 2012, 11:08
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

I used BC550 for Q1, 2sc828a for other, 2N3904 for lamp driver
what about this ldrs?
http://www.banzaimusic.com/Photo-Cell-32k-1M.html
look pretty good, but price :(
by kymar
31 Oct 2012, 09:02
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

Price and part availability :D
by kymar
30 Oct 2012, 15:15
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

sinner wrote: I think i'll scrap this project and start two new ones with new production parts all the way
The sky is the limit 8)
by kymar
30 Oct 2012, 13:56
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

sinner wrote:BC183L's
what about Q1?
by kymar
12 Oct 2012, 16:14
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

is obtained we should have 18 volts at the input of the device?
by kymar
12 Oct 2012, 16:10
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

In Wattson scheme we have 22v after rectifier diode
by kymar
12 Oct 2012, 16:05
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

Actually you are exaggerating the risk.
What about the noise, how noisy is the UV in fact?
With competent arrangement of components shouldn`t be any voltage induction.
by kymar
12 Oct 2012, 15:40
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

Nice power monster, but using the power supply is not true in vintage effect
i am looking for trans 24v (2X12v) or 18v about 200mA
by kymar
12 Oct 2012, 13:13
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

what transformer you plan to use?
by kymar
04 Oct 2012, 17:36
Forum: Ready-To-Build Effect Projects
Topic: Shin-ei/Univox Uni-Vibe [Replica Files]
Replies: 481
Views: 73123

Re: [Replica Files] Shin-ei/Univox Uni-Vibe

And C17 polarity oriented like in Wattson scheme,
not only in these guts but also on other