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Old 26th October 2006, 08:33 PM   #1
rossdt is offline rossdt  Italy
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Default GZ34 and temperature

Could anyone help me?
I've an GZ34 that supply 200 mA for the amplifier.
Which is the temperature reached from the valve?
Thank you.

Alessandro.
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Old 26th October 2006, 08:52 PM   #2
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Alessandro,

The GZ34 is rated at 250 ma.
With a 200 ma load, the tube will be approaching its limit.

The temperature of the tube will depend on the air flow around the tube.

Please give us more information.

What is the voltage applied to the anodes?
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Old 26th October 2006, 09:04 PM   #3
rossdt is offline rossdt  Italy
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Exactly: Va = 450 V rms (off-load voltage).
GZ34 is followed by CLC filter (22 uF - 20 H - 33 uF).
The amply works in class A.
Thank you.

Alessandro.
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