Greetings from upstate NY - have owned the same Dual 500 the past 4 decades...

laatsch55 said:
She does have a beautiful smile...
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I knew you'd like it.
The Powerful Difference said:
Hey Nav, thanks for sharing your forum's Seal(s) of Approval -- I am chuffed!

My folks said that if someone shares something nice with you, then you should reciprocate. Here's a little something from a Jeff Beck live concert that both sounds great & makes the point that music is nearly always surrounded by the better things in life.

Again, nice to meet you, and be sure to tell your companions safe travels...
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Good to meet you too. I like Jeff Beck's music - thanks for sharing this clip. I had not seen it before.
She does have a killer smile tho...
 
Yeah, I came in under the radar. Never got a NAV welcome. Don't get me wrong, I ain't complaining. Been here long enough to see many of NAV's postings and I damn sure like em.
 
That’s going to be a very nice system again when your done with the restoration. I think it is awesome that you will be able to compare it to when you bought it all new back in the day. Having never owned any of my vintage gear when it was new, I always wonder “ if it sounds this good today, did it sound even better when it was new?”. For some things I think the answer is no, it sounds just like it did when new but for others, especially speakers I will never know.
Looking forward to watching your projects.
 
The Powerful Difference said:
NeverSatisfied, thanks for the words of encouragement! You know, looking at the big picture of how the audio hobby has changed over the past 40 years, I am particularly interested in solving a couple of today's problems that Bob Carver (or anybody else back then) didn't know were lurking way over the horizon in the future.

One problem is the sheer amount of RFI in today's world, (Radio Frequency Interference) thanks in part to the race to the bottom with cheap wall warts, light dimmers, noisy solar panels, and the like. Check this out, back in the day some coding guru, using precise timing loops to stimulate digital address & data lines at musical note rates, turned a computer room 12-bit computer (DEC PDP-8) into a RFI music box that could be listened to with a handheld AM radio. (Note: I think the original coder did it just for the personal challenge, but the program had earned word-of-mouth status in the community, & running this program as a demo for why my students should learn more about our company's Tempest offerings was very persuasive.)

In English, just because in the mostly all analog households in the '70s Bob Carver didn't have to worry about the hurricane of RFI surrounding us today (both radiated over the air + the stuff injected into the power mains) ...doesn't mean that I don't have to. Part of the reason I can justify in my mind the use of the 200Mhz Tek 475 o-scope is that I'm going to do my very best to clean up the incoming power & pay attention to whatever shielding I can implement along the way. (I've actually budgeted as long as it takes to ensure real cleanliness in this area.)

****

Of course there are those that would argue that a vintage quasi-complementary Class B consumer amp isn't worth this level of RFI sleuthing.

But Grapplesaw & others have already convinced me to convert/upgrade to a fully-complementary output stage, and I am also going to spend some quality time (down the road, post WOPLing) trying to figure out if the Blomley circuitry can mitigate the remaining Class B notch distortion.

In other words, I am going to pay close attention to the original noise floor AND at the same time defend against today's RFI environment so that all the other distortion-mitigating upgrades will remain audible. (by their absence. :0)

PS - I originally got interested in this RFI stuff because back in the day I would (try to) take a nice-sounding consumer-grade AM/FM receiver from home & into the raised-floor computer lab where I was spending so much time...and it was unlistenable due to all the hash! (And it wasn't until much later when I was working with airborne radar systems that I saw what they did to keep the RFI gremlins at bay.) But that's what retirement is all about -- I'm going to go full-on Don Quixote at the RFI windmills I've described above. ;0)

If you haven't already followed the computer RFI music box link above, please do so. (Best part of demo = 3:00 on) Then you can better understand my focus in this area. Enjoy!
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Very interesting read, thanks.
 
The Powerful Difference said:
Nav, seems like the theme of this evening is the 'daily double'. If you like the idea of a classically trained lady musician who can take something as raw & abrasive as a Sepultura song & almost turn it into a piece of classical music...but at the same time is able to make a crowd of Icelandic headbangers go wild at the finish...then here is quick little 3-minute ditty worth watching. ...Oh yeah, almost forgot, her name is Vika, and she has a memorable smile at the end.

****

Isn't it amazing to observe (& experience) the power that music has over humans? Wild stuff!
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A very, shall we say "intimate" setting for the musicians!! She gave that Roland hell eh??
 
My name is Lee, time for first names around here bud!!

Yeah, Yes, that's passion, and I respect that, then their musicianship....being good at their craft is a blessing to all. Maybe something I didn't appreciate in my younger years, but I do now. After some dud and then EXCELLENT concerts there is a big difference in some folks stage presence.
I still remember fondly those magical performances.....one was Foreigner, in Laramie , Wyo at the fieldhouse. Back then showing its age, but for some reason excellent acoustics. April Wine was the warmup band, not well known at the time. Ali-Frazier was goiing at the same time and Foreigner would not come out till the fight was over, poor April Wine played for 3 hours, played everything of theirs and then just started covering stuff they knew. Played their asses off. Then the fight was over and Foreigner came out and played for another 3 hours ....what a night. Got home around 4 in the morning....damn...I'd do it again in a heartbeat..
 
I'm late to the welcoming party but WELCOME! Man what a great stories. I have thoroughly enjoyed this thread. I'm new myself and can definitely tell you that your assumptions are correct as I'm sure you now know lol. This is the best forum around. Glad to hear more of your stories anytime!!!
 
A lot is in the technique for sure.

I’ve had good luck with 3M products as well. Imperial hand glaze for one.

Before my clear coat started peeling off, I washed, clay bar with whatever “detail” spray as lubricant, then hand glaze, then hard wax (one grand wax).

Now I’m just lucky to get the car washed annually.
 
I have a plaque on my desk at work (next to the jar of “ashes of problem clients”) that says: “Good judgement comes from experience. Experience comes from bad judgement.”
 
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