Rare NOS NIB Philips TB4/1250 triode.
This tube is perfect for high power single end DHT amplifiers. It’s also used in many industrial RF heating devices.
They come in original Philips never opened boxes!
Platinum matched pair TB4/1250 Philips 5868 within 5%
Never opened box of 9 pcs genuine TB4/1250 Philips 5868 DHT
For audio use in SE amplifiers, I can match them with exact or almost exact parameters.
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