Resurrecting a Crown DC300A

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#261
anatech said:
Hi Shawn,
Looking pretty good. Are those Miller inductors?
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It's coming together Chris. I don't know 'bout Miller. I purchased them from a reseller, not a disti. I measured them before stuffing them, they're OK.

I enjoy going to the One-of-a-kind show. It was more fun in the early years. Glen Williams is very close to me, wonderful area for artisans. If you haven't made it up here, I recommend it highly. More fun in the summer on a Saturday when you can hit the farmer's market as well. You can buy Moose sometimes.

So when is that craft show on this year?

-Chris
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Cool. What market Chris? Those things can be great. The city has it's own stuff down here but it just isn't the same as a rural market and my Dad is infamous for his blend of beef and moose for the "Ralphie" burger! He's out east in a little town.🙂

I think The One of a Kind Show has a November and December show coming. December for certain. :xmastree:

Shawn.
 
#262
Good Times

The set is coming together. I'm missing a few resistors, transistors and caps, not much really. The biggie was the 10 pcs I'm short on the output MJ21194 and that may take another week to sort out. But I can fire it up soon on one channel and add the rest as it may. Perhaps it is better this way?
 

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#269
The bashers

rdf said:
Sir, do you never sleep? (Terrific work BTW, you even have an old Crown basher like me looking forward to how it turns out.)
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burnedfingers said:
HEY!!!!
I am the formost Crown basher here!
I'm still thinking how good its going to look as its sinking into the cold dark water.
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Folks, I was offered a free DC150 today with one channel dead. I left the chap a voice mail saying I could pick it up anytime...? The saga could be endless?

Fixing one of those up might make you guys call the amplifier police over to my place? :cop:

Meanwhile, the DC300 is looking pretty cool.

As I'm typing this the guy with the DC150 called. I'm off to pick it now.😀

Cheers,

Shawn.
 
#271
Hi Shawn,
Folks, I was offered a free DC150 today with one channel dead.
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That's great news! Now you only need another DC300.

You are doing a great job. Unlike myself, you are actually constructing.

Hi Joe,
As usual, thank you very much. 😉

BTW, Mr. anatech??? I used to work for a living! 😀

-Chris
 
#272
"I was offered a free DC150 today "

A very rare beast indeed, as Crown never made one.
(they did make a D150)

A very marginal design with only one pair of outputs on ±50V, at least the DC300A had four pair of outputs for its slightly higher voltage.
 
#274
Dc150

djk is "on the ball".

I went to pick up the DC150 and took home a D150 instead. :xeye: It's like new and the case has just a few scuffs. Virtually the same quasi circuitry as the 300 but indeed a thin output section as djk commented.

Cheers,

Shawn.
 

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#275
Hi djk,
Well, I'm asleep at the switch. I knew they made a smaller one and the model number "sounded" okay. I have never seen one of those for service. Oddly enough, I may have sold some so many years ago.

One pair of outputs for a supply of 50 VDC is normal in consumer amps. I don't think that was intended for more than houses or mid / high drivers in a biamp system.

-Chris
 
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