Transformers & Chokes

P-T850LA Transformer - Hammond, Audio Broadcast Quality
Special Order Item
Output to Line, Matching or Bridging
  • Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware.
  • Sealed case and wax potted core internally for stable characteristics and long life.
  • Wide frequency response ± 0.5 db max. from 20 Hz. to 20 Khz. (except units over 5K ohms impedance, may be down 1 db @ 20 Khz.)
  • Insertion loss of apx. 1 db.
  • Maximum power level +15 dbm. with specified characteristics, or higher levels with reduced low frequency performance.
  • Distortion is apx. 1.5% @ 20 Hz.
$146.22
Note: special order items require additional lead time. See our page on special order items.
P-RC-3 Choke - One Electron, Audio, PRC-3, 225H for Preamp Output
The PRC-3 audio choke from One Electron was designed as a plate load for the output of either a high quality line amplifier or a phono preamp.
$69.95
P-T125GSE Transformer - Hammond, Universal Single Ended, 25 W, 100 mA
Special Order Item
Transformer - Hammond, Universal Single Ended, 25 W, 100 mA max DC bias
  • Designed for general purpose or replacement use (not Hi-Fi), in single ended, tube output circuits.
  • Frequency response: 100 Hz. - 15 Khz at full rated power (± 1db max. - ref. 1 Khz).
  • For full frequency response (20 Hz. to 20 Khz.) - see our 1627-1642 series.
  • For push-pull output use, see our 125 series.
  • Open style with minimum 12" long primary & secondary leads.
  • All sizes use butt stacked cores (using 29M6 steel) with an air gap, to reduce D.C.
$124.77
Note: special order items require additional lead time. See our page on special order items.
P-T125FSE Transformer - Hammond, Universal Single Ended, 20 W, 90 mA
Transformer - Hammond, Universal Single Ended, 20 W, 90 mA max DC bias
  • Designed for general purpose or replacement use (not Hi-Fi), in single ended, tube output circuits.
  • Frequency response: 100 Hz. - 15 Khz at full rated power (± 1db max. - ref. 1 Khz).
  • For full frequency response (20 Hz. to 20 Khz.) - see our 1627-1642 series.
  • For push-pull output use, see our 125 series.
  • Open style with minimum 12" long primary & secondary leads.
  • All sizes use butt stacked cores (using 29M6 steel) with an air gap, to reduce D.C.
$82.50
P-T1750B Transformer - Hammond, Output replacement for Fender, 10W 5482Ω
Special Order Item
Replacement for Reverb Driver - Vibro King Equivalent to manufacturer part number #24038 Warning: Not all amplifier models of the same name use the same transformer model.
$40.36
Out of Stock
P-C1536X Choke - 0.17 - 250, Heavy Duty Hash Choke
Molded powdered iron core.
1-1/4 long axial leads.
High inductance & high current.
L measured at 1 Khz. Inductance: 250 µH20% tolerance
DC resistance ohms: .17
Self Resonant Frequency (MHz): 1.5
Maximum DC current amps: 2.5
Coil diameter (in): .43
Core Length (in): 1.25
$1.08
P-T119DA Transformer - 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.
$30.16
P-T125H Transformer - Hammond, Output, 8 W, 10k Primary
Specifications Audio Watts: 8 watts Primary Impendance (Ohms): 10K center-tapped Secondary Impendance (Ohms): 2/4/8 Mounting centers: 2-3/8u-bracket Weight: 1.0 lbs. Cat. No. Dimensions (Inches) A B C D G Mtg. Hole 125H 2.81 1.4 1.7 2.36 0.187
$37.00
P-T125J Transformer - Hammond, Output, 8 W, 2.5k or 4k Primary
Special Order Item
Specifications Audio Watts: 8 Primary Impendance (Ohms): 2.5k/4K center-tapped Secondary Impendance (Ohms): 6/8 - 3.2/4 Mounting centers: 2-13/16u-bracket Weight: 1.0 lb.
$44.84
Note: special order items require additional lead time. See our page on special order items.
P-T143 Transformer - 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"
$105.95
P-T154G Filter Choke - Hammond, Open Bracket, 9 H, 40 mA, 700 ohm
Special Order Item
  • Inductance: 9 H
  • D.C. Current: 40 mA
  • Resistance: 700 ohms
  • Maximum Operating Voltage: 300 V
  • Features
    • Economical "open bracket" - channel mount.
    • Tolerance of 15% on both inductance & resistance.
    • Inductances measured at rated D.C.
$16.31
Note: special order items require additional lead time. See our page on special order items.
P-T154M Filter Choke - Hammond, Open Bracket, 2 H, 100 mA
  • Inductance: 2 H
  • D.C. Current: 100mA
  • Resistance: 175 ohms
  • Maximum Operating Voltage: 300 V
Features
  • Economical "open bracket" - channel mount.
  • Tolerance of 15% on both inductance & resistance.
  • Inductances measured at rated D.C. current.
  • Minimum 5" long leads.
  • Units will exhibit less inductance at slightly higher currents or more inductance at lower currents.
  • Perfect for high voltage power supply filtering.
  • Every unit is Hipot tested (100%) at 1,500 VAC
  • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.
  • Part No.: Inductance ± 15%: D.C.
  • $13.02
    P-T155C Filter Choke - Hammond, Open Bracket, 60 H, 8 mA
    Special Order Item
    • Inductance: 60 H
    • D.C. Current: 8 mA
    • Resistance: 2750 ohms
    • Maximum Operating Voltage: 400 V
    • Features
      • Economical "open bracket" - channel mount.
      • Tolerance of 15% on both inductance & resistance.
      • Inductances measured at rated D.C.
    $18.26
    Note: special order items require additional lead time. See our page on special order items.
    P-T155J Filter Choke - Hammond, Open Bracket, 15 H, 30 mA
    • Inductance: 15 H
    • D.C. Current: 30 mA
    • Resistance: 1026 ohms
    • Maximum Operating Voltage: 400 V
    • Features
      • Economical "open bracket" - channel mount.
      • Tolerance of 15% on both inductance & resistance.
      • Inductances measured at rated D.C.
    $15.53
    P-T157J Filter Choke - Hammond, Open Bracket, 10 H, 65 mA
    • Inductance: 10 H
    • D.C. Current: 65 mA
    • Resistance: 205 ohms
    • Maximum Operating Voltage: 400 V
    • Features
      • Economical "open bracket" - channel mount.
      • Tolerance of 15% on both inductance & resistance.
      • Inductances measured at rated D.C.
    $24.25
    P-T158T Filter Choke - Hammond, Open Bracket, 1 H, 300 mA
    • Inductance: 1 H
    • D.C. Current: 300 mA
    • Resistance: 40 ohms
    • Maximum Operating Voltage: 400 V
    • Features
      • Economical "open bracket" - channel mount.
      • Tolerance of 15% on both inductance & resistance.
      • Inductances measured at rated D.C.
    $21.05
    P-T159S Filter Choke - Hammond, Open Bracket, 4 H, 225 mA
    • Inductance: 4 H
    • D.C. Current: 225 mA
    • Resistance: 65 ohms
    • Maximum Operating Voltage: 500 V
    • Features
      • Economical "open bracket" - channel mount.
      • Tolerance of 15% on both inductance & resistance.
      • Inductances measured at rated D.C.
    $27.30
    P-T159T Filter Choke - Hammond, Open Bracket, 2.5 H, 300 mA
    • Inductance: 2.5 H
    • D.C. Current: 300 mA
    • Resistance: 43 ohms
    • Maximum Operating Voltage: 500 V
    • Features
      • Economical "open bracket" - channel mount.
      • Tolerance of 15% on both inductance & resistance.
      • Inductances measured at rated D.C.
    $27.36
    P-T159ZC Filter Choke - Hammond, Open Bracket, 60 mH, 2 A
    Special Order Item
    • Inductance: 60 mH
    • D.C. Current: 2 A
    • Resistance: 0.7 ohms
    • Maximum Operating Voltage: 500 V
    • Features
      • Economical "open bracket" - channel mount.
      • Tolerance of 15% on both inductance & resistance.
      • Inductances measured at rated D.C.
    $34.03
    Note: special order items require additional lead time. See our page on special order items.
    P-T1629SEA Transformer - Hammond, Output, Single-Ended, 30 W, 6.5k Primary
    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.
    $193.01
    Note: special order items require additional lead time. See our page on special order items.
    P-T166L2 Transformer - Hammond, Filament, 2.5 VCT, 2.5 A
    Special Order Item
    Primary 115 VAC, 60 Hz.
    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 degreesC)
    Hi-Pot test of 2000 V RMS.
    UL listed (# E50394) & CSA certified (# LR3902).
    Specifications
    Rating: 2.5 VCT2.5 A
    Mounting Centers: 2.38"u-bracket
    Rating: 0.7 lbs
    $25.00
    Note: special order items require additional lead time. See our page on special order items.
    P-T166N10 Transformer - Hammond, Filament, 10 VCT, 4 A
    Special Order Item
    Primary 115 VAC, 60 Hz.
    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 degreesC)
    Hi-Pot test of 2000 V RMS.
    UL listed (# E50394) & CSA certified (# LR3902).
    Specifications
    Rating: 10 VCT4 A
    Mounting Centers: 3-1/8"u-bracket
    Weight:1.5 lbs
    $36.37
    Note: special order items require additional lead time. See our page on special order items.
    P-T166Q2 Transformer - Hammond, Filament, 2.5 VCT, 6 A
    Special Order Item
    Primary 115 VAC, 60 Hz.
    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 degreesC)
    Hi-Pot test of 2000 V RMS.
    UL listed (# E50394) & CSA certified (# LR3902).
    Specifications
    Rating: 2.5 VCT6 A
    Mounting Centers: 2.81"u-bracket
    Rating: Weight (lbs): 1.0
    $25.00
    Note: special order items require additional lead time. See our page on special order items.
    P-T166RS Transformer - Hammond, Filament, 5 VCT, 8 A , 4.5" x 2.5" x 3"
    Special Order Item
    Primary 115 VAC, 60 Hz. 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 degreesC) Hi-Pot test of 2000 V RMS. UL listed (# E50394) & CSA certified (# LR3902). Specifications Rating: 5 VCT8 A Weight: 3.4 lbs Mounting Centers: 4"u-bracket
    $36.37
    Note: special order items require additional lead time. See our page on special order items.
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