Speaker Filter

None

Speaker Filter

Part Number:
(TA) GR387A

Product Details:
Type 387-A was designed to improve the tone quality of audio output from vacuum tube amplifiers. It specifically addressed issues that arose when connecting speakers to these amplifiers, especially those using "balanced armature" speakers which were common at the time.


Dimensions
2-3/4" x 3-1/4" x 4" Height
Manufactured by
General Radio

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Audio & Interstage Transformers - Hermetically Sealed - High Impedance 1,001 Ohms & Up

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