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Old 4th May 2008, 01:09 AM   #811
tvi is offline tvi  Australia
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Quote:
Audiomeca chose a Sanyo laser head which displays several advantages over its competitors. Its overall design is excellent, the mass high and the actuator perfectly balanced (very important and rare feature).
Click the image to open in full size.

Stax used a cheap Sanyo CD player for their first model, the Quattro.
Click the image to open in full size.

Regards
James
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Old 4th May 2008, 01:47 AM   #812
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Default push button switches

audio1st & kevinkr, Please inform of your selection of push button switch.

Peter, your casework in metal is fine...fine. I'm partial to wood. Could you share your thoughts in more detail for the management of mass/damping, etc.?

The RCEZ31 does in fact exist @ US military post exchanges. Call your Dad, son (as I did), or your uncle if necessary to get one.

Thanks to all
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Old 4th May 2008, 04:46 AM   #813
hayenc is offline hayenc  United States
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Kevin,

Thanks for your encouragement. I think we may be the only two fools who took on the 32 layout. I want to do one more trace through all the transistors and switches you show in your picture that you removed from the micro board to make sure which ones might be critical for power versus just the switching of the other modes of the boombox before applying power.

You have done a significant amount of nice work on what it takes to switch to a new power supply, but I do confess, I feel like I will be doing my first 'organ transplant' tomorrow and want to make sure the patient survives the ordeal.

Thanks for all your help and encouragement.

Craig
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Old 4th May 2008, 04:58 PM   #814
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Hi guys, still 5 units left. As I said, I'll return them by the end of the week if nobody is interested. It would be the last call...

Will buy the metal for the platform this week. It will be based on Peter Daniel design, butcher block base wood, Heavy metal platform, springs suspended, acrylic to plate and external supply.

The esternal supply will be into a alu tube section as the original Humpty Dumpty 47Labs supply. I'll install the front controls and display into a "L" shape alum channel installed on the front of the wood block.
I'll re-cycle the original plastic window for the display and IR remote receiver. By the way, I sent this small window as well with all the parts kits I sent. It is packed with the remote's plastic bag.

three brass cones will be supporting the wood base. Got to go to buy the butcher block
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Old 4th May 2008, 05:39 PM   #815
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Hi,
How critial is the the use the blackgate caps? WHat can be a good substitute, Panasonic F?

Thanks
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Old 4th May 2008, 05:51 PM   #816
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I don't think it's critical, it just depends on what you like.

It's a good idea to use BG STD in PS section after regulator, BG FK adds softness and refinement but it's rather expensive, BG STD before regulator is almost as good.

Some people prefer not to change any caps on a main board, so the choice is really yours. But certainly, BGs may not be everybody's cap of tea

I will be soon modding another unit and will report how each step affects performance.
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Old 4th May 2008, 07:49 PM   #817
Puffin is offline Puffin  United Kingdom
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Originally posted in the wrong place !

I am messing with different ideas to support the transport.

So far :-

Base of old Linn Kan stand, mass loaded with SoundBytes (a type of iron filing)
Top plate of stand bolted to base with a sheet of Deflex sandwiched between
Transport on original board blu-tak'd to it.
Whole lot sat on bathroom scales from Woolies (£2.99)

Scales show weight at about 15 pounds. Sounds good.

http://i73.photobucket.com/albums/i...sportFrame2.jpg

http://i73.photobucket.com/albums/i...sportFrame1.jpg
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Old 4th May 2008, 08:56 PM   #818
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4 units left
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Old 4th May 2008, 08:58 PM   #819
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Quote:
Originally posted by Puffin
Originally posted in the wrong place !

http://i73.photobucket.com/albums/i...sportFrame2.jpg

http://i73.photobucket.com/albums/i...sportFrame1.jpg

your links no workey
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Old 5th May 2008, 12:35 AM   #820
ceebmoj is offline ceebmoj  England
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Quote:
Originally posted by audio1st
Thanks Peter, got mine up and running .
A couple of questions before I go any further. On the mods pdf, what is the jumper from 5A to 5B for, does it bypass a transistor?
Second question, when you use a two legged Oscillator, do you need to add caps to the centre, B position?
Thanks again..
PS, I have no idea were to put the display and buttons yet.
any chance you can show me how you made this enclosure?

blake
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