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P-T156Transformer - Audio Interstage, 10 mA

Equivalent to Stancor A53-C. 1:3 ratio overall. Center tapped secondary may be used for push-pull grids.Specifications Max. Primary Current: 10 mA Impedance Primary to Secondary (Ohms): 10,000 to 90,000


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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-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-T124XTransformer - Hammond, Audio Interstage, 5 Watt
  • Designed for general purpose or replacement use in push-pull or phase inverter tube driver circuits.
  • Should not be used for single ended applications. They have no gap for DC bias current present in SE mode.
  • Open style with minimum 5" long primary leads.
  • Minimum frequency response 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz.) at full rated power.
  • Core material is Grain Oriented Silicon Steel.

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P-T118944Transformer - Hammond, Radiola III-A Replacement Audio

Developed in response to requests from RCA Radiola III-A collectors. The original transformers are usually found with open" windings due to the fine wire and high turns usedcoupled with age. This is a universal replacement type - it will replace any of the three audio transformers used (1st audio driver2nd audio-phase splitter stage or output transformer)by correctly connectiong the 5 lugs. A pin out and connection diagram is included. The cases from the old transformer will fit this new unit. The terminal board is a duplicate of the original.



Key Features



  • Primary: 4000 turns, #41 wire (lugs 4 & 2)
  • Secondary: 12000 turns C.T., #41 wire (lugs 5 & 1lug 3 is C.T. connection)
  • Termination: Solder lugs on a 1 3/4" x 1" terminal board with 4-5" connecting leads
  • Size: 1-7/8" long x 1-11/16" wide x 1-3/8" deep
  • Lamination Core Size: 5/8" x 1/2"
  • Weight: 7 oz.

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P-T144-XTransformer - Hammond, 144 Series, Audio Chassis Mount

Special Order Item

Features:



  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 4" long minimum
  • Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.)
  • When operating at impedances below nominal, power capability and the frequency spectrum are proportionately lower, conversely, at higher impedances power capability and frequency spectrum will be proportionately higher.

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P-T1140-LU-XTransformer - Hammond, Line Output Transformers

Studio Grade Impedance Matching, 1140 Series. ​Designed with Nickel alloy cores for high performance and Wide Bandwidth. Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz). Low distortion at levels up to +27 dBu @ 20 Hz. Open Style


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P-T140-XTransformer - Hammond, Studio Grade Impedance Matching, 140 Series

Studio grade frequency response: 20 Hz. - 20 Khz. (+/- 1 db, ref. @ 1 Khz.) minimum. Excellent frequency response utilizing a 80% nickel core providing high permeability combined with low losses. Designed for maximum bandwidth, lowest distortion at +10 dbm power level or less. Plated steel cans, adjustable height case bracket.


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P-T146-XTransformer - Hammond, 146 Series, Audio Chassis Mount

Special Order Item

Features:



  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 3" long minimum
  • Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.)
  • When operating at impedances below nominal, power capability and the frequency spectrum are proportionately lower, conversely, at higher impedances power capability and frequency spectrum will be proportionately higher.

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P-T1140-LN-XTransformer - Hammond, Line Input Transformers

Studio Grade Impedance Matching, 1140 Series. ​Designed with Nickel alloy cores for high performance and Wide Bandwidth. Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz). Low distortion at levels up to +27 dBu @ 20 Hz. Excellent Shielding – Mu Metal enclosures


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