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Old 2nd February 2012, 05:00 PM   #7201
vgeorge is offline vgeorge  Greece
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Vince,

nice then. Use this transformer for the pre-pre with some RC to drop some voltage. Choose an appropriate trans to get the voltage you want and a BIB for the phono for both channels.
The phono it' s easy to make point to point.
PS. More and more I like point to point as it' s easier to change parts and you have more control. The last two days I had a problem with one channel aleph j on pcb not working. I could not find a solution until I used another spare pcb, swapped the parts over and working fine now. I want to say that sometimes with pcb you don' t know what goes wrong if it does.
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Old 5th February 2012, 05:22 AM   #7202
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Default Steel in circuit path a problem?

I've been working on my RIAA boards doing some tidying. I need to get it in some form of box.

I used these nice little through-hole eyelets to be able to easily change parts and make connections.

I just found out they are steel. See them here in my earlier post.

I realize this sounds naive, but is this not good practice? I have quite a few of these eyelets in the circuit path.

Regards- Kent
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Old 5th February 2012, 09:43 AM   #7203
AndrewT is offline AndrewT  Scotland
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rust !
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regards Andrew T.
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Old 5th February 2012, 09:53 PM   #7204
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Lol Thanks Andrew for the reality check!
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Old 7th February 2012, 03:14 PM   #7205
vgeorge is offline vgeorge  Greece
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Salas,

are the 2sk369 suitable for this phonostage?
If yes are they suitable for every stage or could be a mix with 2sk170?
Not that I have any just wondering.
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Old 7th February 2012, 03:23 PM   #7206
Salas is offline Salas  Greece
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No, you can't just drop in K369. First stage would need redesign and they are no good for the second. Due to high capacitance ruled out in first stage for MM also.
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Old 7th February 2012, 03:36 PM   #7207
vgeorge is offline vgeorge  Greece
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Ok, thanks.
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Old 7th February 2012, 04:23 PM   #7208
Botte is offline Botte  United States
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Hi,

Thought I would show you all my build. It sounds great and has no hum. I do have the gain at 38dB and am using SUT with my Ortofon Kontrapunkt b.

I’m glad you are keeping this thread alive.

Thanks,


Click the image to open in full size.

Last edited by Botte; 7th February 2012 at 04:27 PM.
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Old 7th February 2012, 04:51 PM   #7209
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Quote:
Originally Posted by Botte View Post
Hi,

Thought I would show you all my build. It sounds great and has no hum. I do have the gain at 38dB and am using SUT with my Ortofon Kontrapunkt b.

Iím glad you are keeping this thread alive.

Thanks,


Click the image to open in full size.
Congrats, very nice and polite work, if you want I will try a Salas pre-pre worth the extra money & work.
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Old 7th February 2012, 04:53 PM   #7210
Salas is offline Salas  Greece
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Botte:

Plain, effective, excellent. Congrats. What you had before?
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