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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.You also asked why this might be happening. There are lots of factors affecting transformer life. Usage, ambient temperatures, winding... -
bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.I'm glad you've narrowed down the issues (by removing the power supply and inspected amp boards, etc.) I'm thinking that if you need to...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.Well that's distressing. It's not completely out of the question that the transformer has failed. Sometimes the coatings on the...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.It's finally done. The project that kept getting put on the back burner for me that I really wanted to complete. Kit from Glass Jar...
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bhjazz reacted to SergeyPe's post in the thread Bijou All Tube Futterman Headphone Amplifier with
Like.
If you check the original 6N6P and 6N6PI datasheets here, you'll see that they should be wired exactly the same way. The two heaters in... -
bhjazz reacted to funch's post in the thread Bijou All Tube Futterman Headphone Amplifier with Like.
I built a Bijou back when it was first revealed. Sergey is correct. Wire the heaters following the original diagram in his post #4,271...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.I should have taken a pic but all is well. Bijou powered up, all heaters glowing. I then connected the PS (to the amp boards) and saw...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.Yes, parallel. That is the correct wording. Big thanks to SergeyPe and funch (hey there, funch!) Busy weekend day here but I will...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.Also, this: "The ECC99 is a modern tube from JJ. It's based on the 6n6p, but has higher plate resistance." From this post...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.Well, you bring up a good point. There were only two diagrams shown on the cavalliaudio site back in the day, and those were for 6N6P...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.I'm going to re-check my heater wiring again, but don't think it's a problem. Here's the heater wiring diagram from Cavalli Audio...
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.Both tubes measure 1.5 Ohm between pin 4 and pin 5.
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bhjazz replied to the thread Bijou All Tube Futterman Headphone Amplifier.My 6N6P tubes seem really dark. As in, I'm not even sure the heaters are powering up. I have checked all diodes on the board, along...
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bhjazz replied to the thread Sourcing alternative Mosfet Transistors.You are welcome. I admit: it is a lot to digest. Unfortunately for us builders, modders and repairers, parts get deleted from product...
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bhjazz replied to the thread Sourcing alternative Mosfet Transistors.Hi Dantonaudio, Those Toshiba parts are truly difficult to find these days. Hopefully these are a few things to help you along. Get...
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