[green0153]

Here are some photos:
In the future the PSU will go in the case under and the rest in the upper.Hopefully the tubes will go outside a bit so i can see them glow

Sorry i don't have time to post some pictures of open units but when i return from holidays i will post them.





The CD player Lampizator mod and some of my inventions.For now it's ugly as hell but when i build a new case and suspend the CDM2 on ropes......

 

[Henmyr]

Do removing the two small brown caps beside the RCA out increase the treble? I've have not done it yet because of fear that the sound will be too treble oriented and harsh(K501 and RS1 are a bit treble heavy already).

EDIT: Read here:http://www.head-fi.org/forums/blogs/...amplifier.html
that this is the case. Guess I won't remove them.

 

[Pricklely Peete]

Nice job greeno153 !!!

Gotta love the different variations members come up with. I'd like to try the Lampy Valve mod myself...I need another Zero for that...maybe a Hybrid FrankenLampy of a sort ....hey that's not a half bad idea.....

Henmyr...I'd say try the removal of them (lift one leg from the board carefully using a fine point soldering iron) and if you don't like it then put them back in...for bright cans you may be better off leaving them in or better yet replace them with some nice silver mica types (anything from 22 to 100 pf >50V will be fine )....a 1 dollar mod

Peete.

 

[green0153]

Thnx,im now on opa637 my tubes fried

(( ,expecting new ones from russia 6n3p-dr in two weeks...

lampy is great but i will have to build his tube stage because mine has less focus than with the opamp but the stage is bigger....so will see maybe the new tubes

 

[Pricklely Peete]

Always trade offs with every mod....tube type may change that focus somewhat. Maybe some Telefunken or Siemens tubes will recover that detail while retaining the large sound stage...experiment a little with output stage coupling + bypass caps while your at it.

Peete.

 

[fermentol]

Hello,

i see this thread is mostly about the audio (analog) part of Zero, has anybody dwelled into the digital circuits ? I am thinking about doing something about the annoying relay clicks whenever i pause the sound source. Anybody knows whether the relays are controlled from the CPU (89c4051) or the spdif decoder chip? (the D/A chip has also outputs for signal detection, but they doesn't seem to be connected to anything)

Edit: And they are indeed controlled from the microcontroller. Schema i traced for anyone interested: http://napalm.sf.cz/tmp/digitalpart.png

 

[Alai]

Could someone help me troubleshoot my dead Zero? I don't see anything burnt out or anything but it stopped powering on for some reason. I THINK it's the power supply, but I can't tell since I haven't been interested in DIY until a few days ago.

 

[fermentol]

Following my previous post, tying the output relay to Vcc (with resistor for good measure) prevents it from disengaging, thus eliminates the clicking. It's kind of weird design anyway, as the relay controlls only the output RCA sockets. The opamp and whole headphone amp section is still connected to the D/A output regardless of digital signal lock and so is unaffected by this mod anyway.

 

[richardh123]

Hey guys I just got my HDAM and was wondering if this is an acceptable installation. The extension is really hard to control in that it bend how I would like so i have to route it around as you can see. If this is not a good idea or if you would like to see it from a different angle please let know, thanks!

 

[Baird GoW]

Quote:

Originally Posted by richardh123 /img/forum/go_quote.gif Hey guys I just got my HDAM and was wondering if this is an acceptable installation. The extension is really hard to control in that it bend how I would like so i have to route it around as you can see. If this is not a good idea or if you would like to see it from a different angle please let know, thanks!

I do not have a Zero or the HDAM but I'm pretty sure you need to ground the HDAM to the ground on the RCA Input as shown in previous pages of the thread.

 

[Infoseeker]

I most likely broke the receiver chip of my Zero connecting the zero to my Xbox 360. It was working at first, but I think after I reset my Xbox it went off Digital Stereo back to dolby and killed it.
Getting no noise via optical or coaxial to the headphone out. Its not the cable or my Laptop since both work with my speaker receiver.
Leaving the Zero unplugged for a whole day, and then testing it did nothing. Reset button did nothing.

What do I do? yelp!

 

[Gerykatss]

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[PabloJovceyJrse]

Oral phentermine Hydrochloride (HCL) is sold for weight loss. It is in the Sympathomimetic family of appetite suppressants (used for the short-term management of exogenous obesity.)
When used in conjunction with diet, exercise, and behavior therapy, phentermine may help you to lose weight while you are learning new ways to eat and to exercise.

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Phentermine works by stimulating the hypothalamus gland and affecting certain neurotransmitters to decrease appetite.
The hypothalamus is the region of the brain that controls the autonomic nervous system, regulating sleep cycles, body temperature, appetite, etc.
Phentermine should NOT be used as a substitute for proper diet or exercise. For maximum effects, it must be used in conjunction with a reduced-calorie diet and/or exercise.

Any modifications in your diet, activity level, and behavior must be developed and continued long-term in order to continue losing weight and prevent the lost weight from returning.










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[Cya|\|]

So guys, if i put a discrete opamp, it won't fit in vertically right? Must i use a prolonger?

 

[reiserFS]

Bump, do I solder the cap right onto the top pads or the side pads of the HDAM?