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

100 mW

Primary Impedance

125 Ohm500 Ohm

Secondary Impedance

4 Ohm16 Ohm

Overall Turn Ratio

5.6:1

Matching Impedance

Direct Current (DC) for Primary Matching Impedance

15 mA

Direct Current (DC) Resistance

DC Resistance (Primary)

50 Ohm

DC Resistance (Secondary)

1.5 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

40 to 60 dB

Transformer Contact Type

Center Tap Split Winding

Applications

Applications

Line or Transistor to Voice Coil

Note

Note

Static Shield

Features

Features

  • Low level high fidelity.
  • Single-hole mounting, allowing rotation for maximum hum reduction.
  • Alloy shielding gives 40 to 60 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.