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B1 with Korg Triode
B1 with Korg Triode
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Old 9th August 2018, 12:34 AM   #251
irishpatrick33 is offline irishpatrick33  United States
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Ok, just got my ACA kit. Thanks. Now I just need B1with Kong parts kit. Hoping to combine and build hybrid amplifier.
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Old 9th August 2018, 04:20 AM   #252
irishpatrick33 is offline irishpatrick33  United States
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Autocorrect may cause more harm than good. Korg!
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Old 17th August 2018, 08:23 PM   #253
Tom V is offline Tom V  United States
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Default Not the Korg tube

The new X8 Hybrid Valve Integrated Amplifier

Raytheon 6148 pentode valve. Made in 1984. NOS (As used in Tomahawk cruise missiles. Can't let that nuclear EMP pulse stop it from getting to its target.)

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Old 17th August 2018, 08:57 PM   #254
GASCo is offline GASCo  United States
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B1 with Korg Triode
The Korg Nutubes may disappear in a few years, but apparently these 6148s are already unobtanium in case you ever need a replacement. And it is $570, although has a combined amplifier and bluetooth and dac....
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Old 24th August 2018, 07:33 AM   #255
Chul is offline Chul  South Korea
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B1 with Korg Triode
Default Pass B1 Korg pre with Pete Millet PCB

As you may already know, it is possible to apply Nelson circuit to that PCB.
2SK370 legs are thin enough to go into the holes of the follower resistor.
I did it and it worked fine.

Other parts are ... almost the same or you can change easily, except for the heater circuit which I think is not the day and night difference.
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Old 27th August 2018, 02:45 AM   #256
irishpatrick33 is offline irishpatrick33  United States
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Quote:
Originally Posted by Chul View Post
As you may already know, it is possible to apply Nelson circuit to that PCB.
2SK370 legs are thin enough to go into the holes of the follower resistor.
I did it and it worked fine.

Other parts are ... almost the same or you can change easily, except for the heater circuit which I think is not the day and night difference.
Interesting. (but still waiting - patiently - for Pass B1 with Korg kit)
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Old 27th August 2018, 06:10 AM   #257
MEPER is offline MEPER  Denmark
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Is there a rough status on the officiel kit?
Will it be this year or maybe start of next year?
How much will be included in the kit?
Possible to preorder?


I have no hurry as I have the BA-3 pre PCB and all components for it. But still interested in the Korg kit.


I just noticed that BA-3 pre PCB is sold out now so happy I got a couple of them.
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Old 27th August 2018, 02:30 PM   #258
Dennis Hui is online now Dennis Hui  Canada
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B1 with Korg Triode
Quote:
Originally Posted by Chul View Post
As you may already know, it is possible to apply Nelson circuit to that PCB.
2SK370 legs are thin enough to go into the holes of the follower resistor.
I did it and it worked fine.

Other parts are ... almost the same or you can change easily, except for the heater circuit which I think is not the day and night difference.
Very nice Chul!

I have Pete's PCBs as well and have been thinking about doing something
similar.

Cheers,
Dennis
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Old 27th August 2018, 02:45 PM   #259
Chul is offline Chul  South Korea
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B1 with Korg Triode
Go ahead Dennis. I like the sound and I am planning to use LDR volume and LR phono in one case.. :-)
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Old 30th August 2018, 06:50 PM   #260
JMF11 is offline JMF11  France
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Hello,

I apologize in advance for a non adequaque level in electronics to do my homework, but I dare asking. Would there be some possible "simple extrapolation" to use this B1 Korg triode between a balanced output DAC and balanced input amp ? The intention would be to use it in the context of a project quite away from NP philosophy: include this between the integrated DAC and Amp of a TI TAS3251

Best regards,
JMF
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