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kedwardsleisure View Drop Down
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Joined: 20 January 2009
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Points: 4670 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kedwardsleisure Quote  Post ReplyReply Direct Link To This Post Posted: 26 January 2020 at 11:58pm
I think this should be in the vintage section....


Edited by kedwardsleisure - 26 January 2020 at 11:58pm
Kevin

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midas View Drop Down
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Points: 2053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote midas Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2020 at 12:00am
Kevin, I think it should be in your workshop...lol.
In bass no one can hear you scream!
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kedwardsleisure View Drop Down
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Points: 4670 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kedwardsleisure Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2020 at 8:51am
Kevin

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Points: 11001 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jbl_man Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2020 at 7:37pm
Any news on this overhaul yet Midas?
Be seeing you.
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midas View Drop Down
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Points: 2053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote midas Quote  Post ReplyReply Direct Link To This Post Posted: 10 February 2020 at 5:51pm
No Ian, not yet. I was due to drop it off tomorrow, but not sure now with the weather as it is. 
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Xoc1 View Drop Down
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Points: 292 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xoc1 Quote  Post ReplyReply Direct Link To This Post Posted: 10 February 2020 at 8:54pm
I used a a SR707 for years and it sits on the bench of shame at the moment having developed a small DC offset on one channel, big enough to put it into protection mode.
Schematics for the SR404 - 606 - 707 are easy to come by but I have never come across a schematic for the 808. Would anyone have the 808 schematics, or care to explain what the differences are to the 707?
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midas View Drop Down
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Points: 2053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote midas Quote  Post ReplyReply Direct Link To This Post Posted: 10 February 2020 at 9:08pm
The only obvious thing I can offer is the 808 has two power supplies, 4u and weighs a bloody tonne. 

To put it in perspective after shifting the 808, I could quite easily lift the 707 with one hand...lol. 
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Points: 11001 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jbl_man Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2020 at 9:16am
Originally posted by Xoc1 Xoc1 wrote:

Schematics for the SR404 - 606 - 707 are easy to come by but I have never come across a schematic for the 808. Would anyone have the 808 schematics, or care to explain what the differences are to the 707?


A quick visual look at an 808, there are 32 mosfets per channel, double the number in the 707....looking at the 120v smoothing capacitors,i assume it runs higher voltage rails too? But yes,a schematic would be good if anyone has one?
Be seeing you.
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midas View Drop Down
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Joined: 27 October 2011
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Points: 2053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote midas Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2020 at 3:48pm
Drop off to Kevin today, so will have a diagnosis when he has had a chance to look at it. 
In bass no one can hear you scream!
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midas View Drop Down
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Joined: 27 October 2011
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Points: 2053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote midas Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2020 at 3:52pm
Originally posted by jbl_man jbl_man wrote:

Originally posted by Xoc1 Xoc1 wrote:

Schematics for the SR404 - 606 - 707 are easy to come by but I have never come across a schematic for the 808. Would anyone have the 808 schematics, or care to explain what the differences are to the 707?


A quick visual look at an 808, there are 32 mosfets per channel, double the number in the 707....looking at the 120v smoothing capacitors,i assume it runs higher voltage rails too? But yes,a schematic would be good if anyone has one?

I am sure I recently read no one seems to have a schematic for this amp. 

I have seen some literature for a 909, has anyone seen one of those? It looked like it had the mk3 front.

#spelling.


Edited by midas - 11 February 2020 at 3:53pm
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djeddie View Drop Down
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Originally posted by midas midas wrote:

I have seen some literature for a 909...


I reckon they made it, but nobody could lift it to get it in the packing box.Wink
Chas n Dave : it's like Drum and Bass but with beards.             E=mc² ±3dB
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kedwardsleisure View Drop Down
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Joined: 20 January 2009
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Points: 4670 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kedwardsleisure Quote  Post ReplyReply Direct Link To This Post Posted: 12 February 2020 at 4:29pm
47kg

Kevin

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