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Brown Boveri Q450-1 conditions

Thank you for the reply, This confirmed my thoughts, at least I got refunded by the seller. Although I'm still perplexed by the absence of brownish glass and no marks or discolouring of the anode. If it was run too long or too hot it would show elsewhere no? The other hypothesis is that they...
- dappoli
- Post #3
- Dec 12, 2024
- Forum: Amplifiers
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Brown Boveri Q450-1 conditions

Good morning, I am new to the forum and I'm not sure this is the most appropriate section. I landed here reading a thread on the inspection of 3-500z tubes. I would like some help in evaluating a Brown Boveri Q450-1 transmitting tetrode that I recently bought for a few bucks. Unfortunately...
- dappoli
- Thread
- Dec 10, 2024
- Replies: 2
- Forum: Amplifiers

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