Knight KG250 Advice Part 2
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Knight KG250 Advice Part 2
 
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Jim Strickland
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Posted: Mon Jan 10, 2005 8:27 am    Post subject: Knight KG250 Advice Part 2 Reply with quote

As I wrote previously, I have a Knight Kit KG-250 amplifier. Having
read the specs on what it is capable of when it is working correctly -
1.5% distortion at full rated output (10 watts per channel) and .5% at
1 watt - but only 30hz-15Khz bandwidth at full power - I'm strongly
leaning towards scrapping this amp to make other things out of its
power supply, sockets, tubes, and output transformers. As I read the
specs, it's not a very good amp, all things considered. In light of
this, as far as I can see there's no good reason to preserve this amp
for its performance, is there any other good reason to keep it around
in one piece? Am I understanding the specs correctly, or is a severe
bandwidth drop off as you approach maximum power normal?

Thanks.
-Jim
--
-Jim Strickland
jim@DIESPAMMERSCUMcalico.litterbox.com

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Mister Tawny the Talking
Guest





Posted: Mon Jan 10, 2005 7:19 pm    Post subject: Re: Knight KG250 Advice Part 2 Reply with quote

Knight was EXTREMELY conservitive in their ratings. I have had several
KG250's and the sound quality is superb. Of course I would do a refit,
but it's worth then far exceeds any "parts value".
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Carroll Conklin
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Posted: Mon Jan 10, 2005 8:59 pm    Post subject: Re: Knight KG250 Advice Part 2 Reply with quote

Jim,

I have a Heathkit EA-2 which is rated for 4 Watts (PP 6BQ5's) and probably
has about the same bandwith spec as your Knight Kit. I use it to amplify my
shop radio, an Eico HF-90. It sounds great. It has more than enough high
frequency content and sounds much more powerful than the rated 4 Watts.

Don't part it out. The parts value is not more than the sum. This would be a
perfect learning amp. What can you learn? That time does take its toll. The
caps are probably 'leaky', electrically or physically. Resistor values
drift, especially high ohm value carbon comp types. Take your time. Rebuild
this Knight Kit and it will pay you in satisfaction.

Carroll
"Jim Strickland" <jim@DIESPAMMERSCUMcalico.litterbox.com> wrote in message
news:2005010922573916807%jim@DIESPAMMERSCUMcalicolitterboxcom...
Quote:
As I wrote previously, I have a Knight Kit KG-250 amplifier. Having
read the specs on what it is capable of when it is working correctly -
1.5% distortion at full rated output (10 watts per channel) and .5% at
1 watt - but only 30hz-15Khz bandwidth at full power - I'm strongly
leaning towards scrapping this amp to make other things out of its
power supply, sockets, tubes, and output transformers. As I read the
specs, it's not a very good amp, all things considered. In light of
this, as far as I can see there's no good reason to preserve this amp
for its performance, is there any other good reason to keep it around
in one piece? Am I understanding the specs correctly, or is a severe
bandwidth drop off as you approach maximum power normal?

Thanks.
-Jim
--
-Jim Strickland
jim@DIESPAMMERSCUMcalico.litterbox.com
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