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Old 30th September 2012, 11:37 AM   #121
Salas is offline Salas  Greece
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I have Renesas. Thanks, now I can order some stuff.
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Old 8th October 2012, 08:59 AM   #122
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I want to try a C-L-C power supply with Hammond DC Filter Chokes


What is the max current draw of the amplifier?


Boris
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Old 8th October 2012, 09:08 AM   #123
sonnya is online now sonnya  Denmark
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Depending on the mosfet, but i would say 8Amp peak as basis. If you choose the ALF16N16/ALF16P16, it is 16 Amp peak
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Old 8th October 2012, 10:31 AM   #124
mikelm is online now mikelm  England
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For full choke regulation might want to check out these:

Buy Chassis Mounting Transformers Frame mount transformer,75VA 2x9V o/p RS 10-5874 online from RS for next day delivery.

Buy Chassis Mounting Transformers Frame mount transformer,100VA 2x9V o/p RS 10-5881 online from RS for next day delivery.

Buy Chassis Mounting Transformers Frame mount transformer,100VA 2x6V o/p RS 10-5880 online from RS for next day delivery.

personally I am now checking out something more like this:

PM2120-101K-RC - BOURNS - INDUCTOR, TOROID, 100UH, 10%, | Farnell United Kingdom

in conjunction with a electrolytic / ( snubberized ) film capacitor array.

Last edited by mikelm; 8th October 2012 at 10:43 AM.
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Old 19th October 2012, 02:44 PM   #125
mikelm is online now mikelm  England
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Hi Sonny,

Do you know open loop gain of TSSA1.6 with ALF16N16W & ALF16P16W ?

Also are you aware of spice models for them.

thx

mike

BTW - I just changed R7 & R8 from 1K to 3K3 - increasing open loop gain by about 10db. Only I wasn't sure of OLG in the first place with these devices.

The Sound ? Hard to say, new components running in, but initial impressions are mixed . . . more authority, less colouration but also not as relaxed sounding as before.
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Old 20th October 2012, 08:05 AM   #126
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Hi Mike. There is no model, but it is two mosfet In one package.

Look at the specifications. All values are doubled.
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Old 20th October 2012, 10:40 AM   #127
mikelm is online now mikelm  England
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In that case it looks like my OLG just increased from about 46db to 56db
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Old 20th October 2012, 11:17 AM   #128
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Any change In Sound after burn In? How is it compared to fetzilla?
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Old 20th October 2012, 02:07 PM   #129
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I'll make some refinements to the mod before I comment - but I would suggest you not switch on ur iron for this mod before that.
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Old 20th October 2012, 02:09 PM   #130
Salas is offline Salas  Greece
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Does it bring the current bias down in the drivers also?
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