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Pumpkin Preamp - Perfect for F4
Pumpkin Preamp - Perfect for F4
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Old 29th June 2007, 02:24 AM   #111
mpmarino is offline mpmarino  United States
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Quote:
It's because his mind hasn't been molded by life and tv and the world around him fully yet, so it is free to see things and ponder in ways we have lost the ability to do
No, Nope.... it's Genius


Stuffed and shelved

I got a set of those PD boards and I plan on rebuilding the 'crippled F4' for my Altec horns. Nice n' small.
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Old 29th June 2007, 10:53 AM   #112
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Pumpkin Preamp - Perfect for F4
hour or two more ear testing today ;

SE in ,SE out

crummy old Kenwood DP-1100 (weight a ton,drek full with 2SJ and 2SK) cd player,mono-ed just tying both lives - crummy noname stereo log pot-Pumpkin- ( minus input tied to gnd) - old Iskra PP 4u7 jobbies on output (minus output again tied to gnd) - 9' cable- to both channels of ECL82SE (0W5/16E) to my adored RCAs ;

boy- even mono- is it deep .......?.... scary .

edit - PSU is nothing more than 300VA donut via variac ,generic plastic Graetz ,two 33000/63 Spragues . no regs .
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Old 29th June 2007, 09:17 PM   #113
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Pumpkin Preamp - Perfect for F4
Default semi blurs

setup as in previous post ;
clean sine up to ~ 30Vpp

output loaded with permanent resistors on output ; 10k
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Old 29th June 2007, 09:18 PM   #114
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Pumpkin Preamp - Perfect for F4
same ,closer
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Old 29th June 2007, 09:21 PM   #115
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Pumpkin Preamp - Perfect for F4
gene cranked

I like this shape

previous was ~ 30Vpp ; this one conclude yourself
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Old 29th June 2007, 09:24 PM   #116
mpmarino is offline mpmarino  United States
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could we please see a close up of the v/div on your scope



That looks quite lovely. You will be rich soon Good for you!

After you make your riches I will be happy to take those lousy RCAs off your hands.
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Old 29th June 2007, 09:24 PM   #117
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Pumpkin Preamp - Perfect for F4
porn for steen
1/4
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Old 29th June 2007, 09:25 PM   #118
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Pumpkin Preamp - Perfect for F4
p.f.s.
2/4
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Old 29th June 2007, 09:27 PM   #119
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p.f.s.
3/4
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Old 29th June 2007, 09:28 PM   #120
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Pumpkin Preamp - Perfect for F4
last porn for steen
4/4
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