Hello all, I am looking for info on the Bell & Howell 8D-655, which I understand was the model that preceded the 655 TQ1 series, or 655Q. Not quite sure. I think the 8D-655 had a decent valve amplifier that can be reused, while the TQ1 was solid-state. Does anyone have any insight please?
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Bell & Howell 8D-655 question
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David
The 655 was a later autoload version of the 642, and it retained the valve amplifier. However, I am not too sure about the 8D version. I believe there was a slight alteration to the amplifier components.
The TQI version of the 655 became the 655Q, later, when it had a two-level light switch it became the 655QE. All TQI models had a later amplifier as you describe.
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