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Triad's HS-1 Input Audio Transformer provides the durability and precision required in today's demanding designs. Mu-Metal case construction for magnetic field immunity and up to 95 dB Hum reduction. Ample turns ratios to accommodate source to load impedance matching. Wide range power handling capacity to deliver full power without distortion within ± 3dB. Applications include: Signal Pre-Amplification, Impedance Matching, Inter-stage Isolation, Signal Level step up/down. Dependable hermetically sealed construction with low temperature rise and high heat conductivity.
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Specifications

Applications

 N/A Universal Line or Mike to Grid.

Note for Primary Impedance

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

Frequency Response Range

 N/A 20 to 20000 Hz

Shielding

 N/A P-5 - Three nickel alloy shields interleaved with two heavy copper shading rings - 95 db. reduction in pickup.

Case

 N/A GP-4

Electrical Specifications at 25 Degree Celsius (ºC) Temperature

Primary Impedance

 N/A 62.5 Ohm150 Ohm250 Ohm600 Ohm

Secondary Impedance

 N/A 77000 Ohm

Overall Turn Ratio

 N/A 1:11.3

DCR 1-2

 N/A 10.5 Ohm

DCR 2-3

 N/A 21 Ohm

DCR 4-5

 N/A 21 Ohm

DCR 5-6

 N/A 10.5 Ohm

DCR 8-9

 N/A 3750 Ohm

Power Level

 N/A 10 dBM

Additional Information

Additional Information

 N/A 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

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

Upon printing, this document is considered "uncontrolled".