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P-T119DATransformer - Hammond, Audio Interstage, 12 Watt

Developed in response to requests from the Collins Collectors Association"this is a matching audio transformer for older equipment with 600 ohm audio outputdriving modern speakers. Or for "classic" high impedance speakers used with newer equipmentsimply swap primary for secondary (ie...4 or 8 ohm input and 600 ohms out). Key Features Isolation unit: (i.e.


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P-T431Transformer - Audio Interstage, Coil Assembly for P-T156
Coil assembly for P-T156. Use your own iron to preserve mechanical fit. Coil window is 1/2 x ½".
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P-T125XTransformer - Hammond, Universal Push-Pull
  • Designed for general purpose or replacement use in push-pull tube output circuits. (For single ended use, see our 125 SE series - optimized for single ended tube output circuits).
  • Frequency response: 150 Hz. - 15 Khz (± 1db max. ref. 1 Khz).
  • Open style with minimum 5" long primary leads, secondary solder lugs for convenient secondary connections.
  • Tables provided with transformer listing 90 pre-calculated impedance ratios.

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P-TUBT-3Transformer - One Electron, Output, 3000 Ω to 16/8/4 Ω

The UBT-3 from One Electron is the same size and power (15 watts) as the UBT-1, but has a primary impedance suitable for single or paralleled tubes running at B+ voltages of 300 to 400 volts, such as: 2A3, WE 300B, 50, etc.


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P-T292Transformer - Power
  • Primary Voltage: 120 V
  • Secondary 1: 140 V @ 100 mA
  • Secondary 2: 28 V @ 20 mA
  • Secondary 3: 10.5 V @ 2 A

Primary voltage = black wires Secondary 1 = Red wires Secondary 2 = Yellow wires Secondary 3 = Green wires
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P-TUBT-1Transformer - One Electron, Output, 1600 Ω to 16/8/4 Ω

The UBT-1 from One Electron is a low-impedance single-ended output transformer intended for parallel combinations of tubes running a B+ voltages of 250 to 325 volts, such as: two or three EL34s (triode connected), three 2A3s, two 300Bs, two 6AS7s, etc., as well as single sweep tubes run in 'enhanced-triode' mode, resulting in 10 to 15 watts of output power.


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P-T143Transformer - Hammond, Power, 350-0-350V, 70-90 mA
Custom manufactured to replace most 6 and 7 tube sets of the early 1930s. Supplied with vertical mounting shells. Provides a seperate filament winding for audio output stages.
Specifications
Rating: 350-0-350 V, 70 or 90 mA (if 5 V winding is used with 2 A rectifier)
Windings: 5 V, 3 A; 2.5 V, 7.5 A; 2.5 VCT, 3.5 A
Mounting Centers:2 x 2.625"
Weight: 4.2 lbs.
Overall Height: 3.12"
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P-TN-51XTransformer - Line Isolation, 35 VA, 115V, 300 mA, 1 x 115V

35VA chassis mount Power Transformer for isolating equipment from direct connection to the power line. It is constructed with non-concentrically wound coils. The primary and secondary are wound on separate arbors, then assembled on a laminate core side-by-side separated by insulation. This prevents electrical connection under normal or overload conditions between the primary and secondary windings. These units are designed with 1500V isolation between winding to winding and between winding and core. Materials and construction are rated for Class B insulation system.


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P-T166X-5Transformer - Hammond, Low Voltage / Filament, Open, 5 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 5 C.T.
  • Center tapped secondary.
  • Open style, channel bracket, two hole chassis mount.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C).
  • Hi-Pot test of 2,000 V RMS.
  • UL listed (# E50394) & CSA certified (# LR3902).

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P-TUBT-2Transformer - One Electron, Output, 4800 Ω to 16/8/4 Ω

The UBT-2 from One Electron is the same size and power (15 watts) as the UBT-1, but has a higher primary impedance suitable for single tubes running at B+ voltages of 400 to 500 volts, such as: 50, WE 300B,etc.


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