Transformer - Hammond, Output, Single-Ended, 30 W, 160ma DC

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Transformer - Hammond, Output, Single-Ended, 30 W, 160ma DC

Note: special order items require additional lead time. See our page on special order items.

Special Order Item

  • New and improved version, higher power handling, smoother frequency response, easy to use secondary tap.
  • Over designed for single ended tube output circuits (triode, tetrode or pentode tubes).
  • Enclosed (shielded), 4 slot, above chassis Type 'X' mounting.
  • Frequency response at least 20 Hz. to 20 Khz. at full rated power (± 1 db max. ref. 1 Khz).
  • Insulated flexible leads 8" min.
  • Includes a 40% screen tap for Ultra-Linear operation (if desired).
  • High quality laminations, (M6) grain oriented silicon steel.
  • Core is gapped to reduce core saturation in Class-A circuits.
  • For general purpose or replacement use in single ended tube output circuits see our P-T125SE series.


Audio Power 30 W
Primary Impedance 2,500 Ω
Primary Inductance 20 H (minimum)
Secondary Impedance 4, 8, 16 Ω
Maximum DC Bias 160 mA
Weight 11.0 lbs

Suggested Triodes: 2A3, 6A3, 6B4G, 300B Suggested Pentodes: 6CA7, 6L6, 807, 5881, 6550, Parallel - 6AQ5, 6V6, EL84

Dimensions (Inches)

Part #






G (slot)

P-T1640SEA 3.75 4.95 4.56 3.00 3.90 .203 x.375
P-T1627SEA 3.75 4.50 4.56 3.00 3.81 .203 x.375
P-T1628SEA 3.75 4.50 4.56 3.00 3.81 .203 x.375



Wiring Diagram:

Wiring Diagram
RoHS Compliant
Item ID:
Product Measurements
Fastener Hole Diameter0.203 in.
Item Height4.56 in.
Item Length3.75 in.
Item Width4.5 in.
Mounting Center Distance A3 in.
Mounting Center Distance B3.13 in.
Packaging Information
Packaging Dimensions8.3437 in. × 8.5 in. × 8.75 in.
Weight (Packaging)11.55 lbs.

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