The flexibility of Triad J Series transformers permits amplifiers to exceed broadcast standards. Although economy in construction places them in a lower price class, these units approach and closely approximate the performance characteristics of more costly hermetically sealed units.
Unit of Measure

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Electrical Specifications at 25 Degree Celsius (ºC) Temperature

Maximum Input Level

 10 mW

Primary Impedance

 150 Ohm600 Ohm

Secondary Impedance

 60000 Ohm

Overall Turn Ratio

 1:10

Direct Current (DC) Resistance

DC Resistance (Primary)

 50 Ohm

DC Resistance (Secondary)

 4920 Ohm

Specifications

Frequency Response at (±) 3 dB

 30 to 15000

RMS Test Voltage

 500

Case Type

 J

Connections

 Leads

Case Dimension (H)

 1-3/4 in

Case Dimension (D)

 1-3/8 in

Mounting Hole Diameter

 3/8 in

Maximum Unit Weight

 0.35 lb

Hum Reduction

 60 to 80 dB

Transformer Contact Type

 Center Tap Split Winding

Applications

Applications

 Balanced Line or Mike to Grid

Note

Note

 Static Shield

Features

Features
  • Low level high fidelity.
  • Single-hole mounting, allowing rotation for maximum hum reduction.
  • Alloy shielding gives 60 to 80 dB hum reduction.
  • Wide frequency ranges.
  • Flexible leads for ease of mounting.
  • Input units electrostatically and magnetically shielded .
  • Lightweight.
  • Smooth, baked enamel cases, 1-3/8" diameter, 1-3/4" above chassis .
  • Legible circuit diagrams permanently affixed to every case.