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Triad low-level audio transformers have been adopted as standard by many manufacturers of the finest in audio equipment. No other transformers offer such wide frequency range and such effective magnetic shielding in such small size. Shielding up to 95 db. is attained by multiple "Trialloy" cases interleaved with heavy copper shading rings. These transformers are solidly constructed, rigidly mounted with welded stainless steel studs, and hermetically sealed to MIL-T-27 specifications. Beautiful appearance, unmatched performance, long life, minimum size, are outstanding features of these quality transformers.

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Specifications

Applications

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Universal Line to Universal Line.

Primary Impedance

 N/A 62.5 Ohm150 Ohm250 Ohm600 Ohm

Secondary Impedance

 N/A 62.5 Ohm150 Ohm250 Ohm600 Ohm

Note for Secondary Impedance

 N/A Balanced Center Tap. (600 and 250 Ohm)

Frequency Response Range

 N/A 10 to 30000 Hz

Maximum Input Level

 N/A 20 dBu

Shielding

 N/A P-3 - Two nickel alloy shields interleaved with one heavy copper shading ring 70 db. reduction in pickup.

Case

 N/A GP-4

Additional Information

Additional Information

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Avoid redesign - Use Triad HS and HSM transformers in military prototypes

Triad HS and HSM series transformers are designed to meet MIL-T-27 requirements. Most of these transformers use standard MIL-T-27 case sizes. Exceptions are GP cases or any cases showing a Bw dimension, which may be classified as MIL-T-27 'YY' cases. Equipment using these transformers need not be redesigned to submit for military approval. The basically good design factors which are necessary to meet MIL-T-27 standards for performance ensure longest life in any class of service.

These transformers are permanently marked with electrical and test data as specified in MIL-T-27. All are "Climatite" treated, use sturdy TRIAD terminals and are beautifully finished in gray enamel.

Note

Note

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Low frequency loss will result from unbalanced DC in windings other than where specified.