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PEECEEBEE V5 GB

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#22
vgeorge said:
...what is the maximum DC voltage allowed? +- 50V is the absolute maximum?
Click to expand...
The amp can sustain higher voltages as all the transistors are at least 160V rated.
But we have PCB real-estate for only two pairs of the power trannies. Using higher voltages may put them on the border of their safe operating area in case load impedance takes a dip, unless more pairs are used.

So yes. For this amp I would say +/-50V is absolute max.
 
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#23
Can't wait any longer. I added HRDSTL also

Gary S - 2 boards - Aus
DaveFred - 2 boards - Can
Yoaudio - 2 boards - USA
Poseidonsvoice - 2 boards - USA
Vunce - 4 boards - USA
Oracle1 - 2 boards - Greece
Vgeorge - 2 boards - Greece
HRDSTL - 2 boards - Slovakia
Kokanee - 2 boards - Canada
 
#27
Not in this one.
Three reasons.
No space. No space. No space.

Actually, unlike pure EF OPS this one's drivers can't be mounted on main HS due to it being CFP/sziklai. Two OPs are apparently the max load the driver can manage, and that with local small heatsinks which got pretty hot during sustained 100W sine into 5R (more on that coming in the setup guide).

Maybe in V6.
 
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#29
Kokanee said:
Arrrgh, Agonizing, so many amps, so many DAC's, so many pre's, so many speakers, so much to learn, and so little time to build as we age🤣. It's never about the money, always about the time. Will have to think about this one, as I need to build the V4H also. Shouldn't have to think to long😉

Sent from Mexico (winter get away).

MM
Click to expand...
I couldn't agree more. 🙂 Too much fun to have and too little time!
 
#31
Gary S - 2 boards - Aus
DaveFred - 2 boards - Can
Yoaudio - 2 boards - USA
Poseidonsvoice - 2 boards - USA
Vunce - 4 boards - USA
Oracle1 - 2 boards - Greece
Vgeorge - 2 boards - Greece
HRDSTL - 2 boards - Slovakia
Kokanee - 2 boards - Canada
tcpip - 8 boards - India
Redjr - 4 boards - USA

32 boards so far.....
 
#33
Hi shaan,

I am placing an order soon with Mouser for some parts I need and would like to add to that order the parts I do not have for this V5 build. At this stage, have you changed, added to or modified the design as shown in the schematic at post #1?
 
#34
Wait!

V5 has gone through a revision in the last couple days. 10KHz 50W harmonics (primarily h2 and h3) went down from -82dB to -92dB. :yes:

I am gathering spectrum data as I type. Will update the details in a few hours.

:cloud9:
 
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#37
Vunce said:
Gary S - 2 boards - Aus
DaveFred - 2 boards - Can
Yoaudio - 2 boards - USA
Poseidonsvoice - 2 boards - USA
Vunce - 4 boards - USA
Oracle1 - 2 boards - Greece
Vgeorge - 2 boards - Greece
HRDSTL - 2 boards - Slovakia
Kokanee - 2 boards - Canada
tcpip - 8 boards - India
Redjr - 4 boards - USA

32 boards so far.....
Click to expand...
Thanks everyone for your interest. After the latest update I hope more people will be interested in the V5.
 
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