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* [[Media:GR 1603A 1603-0100-F 08_1968.pdf|General Radio 1603-A Z-Y Bridge Manual 1603-0100-F(1968)]] | * [[Media:GR 1603A 1603-0100-F 08_1968.pdf|General Radio 1603-A Z-Y Bridge Manual 1603-0100-F(1968)]] | ||
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The '''General Radio 1603-A''' is a Z-Y impedance bridge [[introduced in 1956]] Catalog O and remained available through Catalog T 1968. | The '''General Radio 1603-A''' is a Z-Y impedance bridge [[introduced in 1956]] Catalog O and remained available through Catalog T 1968. | ||
Its claim to fame is it will balance to anything connected to its terminals. Its accurate at audio frequencies from 20 Hz to 20 kHz. | Its claim to fame is it will balance to anything connected to its terminals. Its accurate at audio frequencies from 20 Hz to 20 kHz. |
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