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Re: Odd splitter in Radford amps

Posted by fourhooker (A) on October 8, 2005 at 13:33:39

In Reply to: Odd splitter in Radford amps posted by Ray Moth on October 7, 2005 at 08:23:20:

Hi Ray,

This circuit was described by A. R. Bailey in a three page article, entitled "New Phase-Splitter" appearing in the September 1962 issue of Wireless World. The author addresses the high-frequency roll-off displayed by the ECC83 in the conventional long-tail-pair phase-splitter (28db gain, but 2db down ~ 12khz). He achieves 24db gain with the ECF82 tube, but the high-frequency roll-off does not commence until 40khz, and does not fall 2db until after 100khz....

I am happy to respond to E-mail..

Graeme

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