Ampex Input Transformer 4580200-02

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  • Item Category: Tools
  • Source: eBay
  • Sold Date: Mar 06,2011
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Ampex Input Transformer 4580200-02 is a balanced-matching transformer with an impedance of 600 ohms. See further details from Ampex AG-600B manual below:

Ampex plug-in Input Transformers

For recording from an unbalanced line, the dummy plugs (4030034-30) are used. These dummy plugs jumper

pins 3 and 4, pins 6 and 7 and pins 2 and 8 (these two pins also connect to ground and the dummy plug shield).

For balanced line recording, two input transformers are available to replace the dummy plugs.

Transformer 4580200-01 is a balanced-bridging transformer with unit gain and an input impedance of 20K

ohms.

Transformer 4580200-02 is a balanced-matching transformer, which provides a 14dB gain and an input

impedance of 600 ohms.

On both transformers, pins 4 and 8 are the primary signal input, pins 3 and 2 are the output and pin 1 is the case

shield.

(from the Ampex AG-600B user manual)

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