Oh no! Apex has opened the Pandora's box again. How many replies will this thread have? 2000-3000? 😀
Here we are...
Note for all who copy this without reading thread: Do not use this schematic for production due to SOA violations!
BR, Toni
Front-end is too simple. It's good choice for Hi-fi than PA.
Cascode IPS, current mirror Vas, EF3... all they'll be improvements.
Cascode IPS, current mirror Vas, EF3... all they'll be improvements.
wow, this is going fast
well, I have 8 pair of 'selected' 21193/94
for home use I see no reason to go higher than+/-60Vdc
well, I have 8 pair of 'selected' 21193/94
for home use I see no reason to go higher than+/-60Vdc
Apex, will you publish the psu circuit soon? also with 110volt dc rails, do you plan to stack filter caps? or use 160volt rated caps, since 120volt rated caps are not easily available?
Use 160volt rated caps if available or this circuit with 63volt rated caps.
Attachments
would it be ok to combine both, finishing with high voltage caps
I have not found any with more than about 2000uf
Jean Hiraga coupled big caps with opposite polarity
should work like bipolar cap
with the lower voltage caps, very high capacitance was possible
but capacitance would be half
there was also a single big cap with the correct voltage in paralel, but with lower capacitance
should work like bipolar cap
with the lower voltage caps, very high capacitance was possible
but capacitance would be half
there was also a single big cap with the correct voltage in paralel, but with lower capacitance
i found 120v caps here... Radial Capacitors
35,000 Mfd /120V /3" diameter and 5 5/8 Cornell-Dubilier/ $29.95
at the streets of Raon in Manila, our small version of Akihabara, computer grade caps are sold at the sidewalks, they are pulls but are still in very good condition..
35,000 Mfd /120V /3" diameter and 5 5/8 Cornell-Dubilier/ $29.95
at the streets of Raon in Manila, our small version of Akihabara, computer grade caps are sold at the sidewalks, they are pulls but are still in very good condition..
well, in that case...120V F&T
SI10212025050 1000uF 120V Cap Snap-in 25x50mm Can Appropriate for 1U Applications
SI10212025050 1000uF 120V Cap Snap-in 25x50mm Can Appropriate for 1U Applications