Transformers & Chokes

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-C159V Filter Choke - Hammond, Open Bracket, 1.5 H, 500 mA
  • 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.

Inductance (+/- 15%) 1.5H D.C. Current 500 ma. Resistance (+/- 15%) 27 ohms Maximum Operating Volt (D.C.) 500V
$27.58
P-C159Y Filter Choke - Hammond, Open Bracket, 0.6 H, 750 mA
  • 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.

Inductance (± 15%) 0.6H D.C. Current 750 ma. Resistance (± 15%) 11 ohms Maximum Operating Volt (D.C.) 500V
$27.58
P-C194A Choke - Hammond, for Fender Deluxe, Deluxe Reverb, etc.
Replacement for Fender Deluxe, Deluxe Reverb, Vibrolux, Vibrolux Reverb Equivalent to Manufacturer part number 125C3A & 022707 Specifications:
  • Inductance ± 15%: 4 H
  • D.C. Current: 50 mA

Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Inductances measured at rated D.C. current.
  • Material used & design specs.
$16.42
P-C194B Choke - Hammond, for Fender Bandmaster, Dual Showman, etc.
Replacement for Fender Bandmaster, Dual Showman, Pro Reverb, Twin Super Equivalent to Manufacturer part number 125C1A & 022699 Specifications:
  • Inductance ± 15%: 4 H
  • D.C. Current: 90 mA

Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Inductances measured at rated D.C. current.
  • Material used & design specs.
$17.86
P-C194C Choke - Hammond, replacement for Marshall Plexi JCM800
Replacement for Marshall Plexi JCM 800.
Specifications:
  • Inductance ± 15%: 40 H
  • D.C. Current: 50 mA
Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Inductances measured at rated D.C. current.
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
  • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.
$35.12
P-C194D Choke - Hammond, Replacement for Vox AC30 reissue
Replacement for Vox AC30 reissue
Specifications:
  • Inductance ± 15%: 5 H
  • D.C. Current: 150 mA
Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Inductances measured at rated D.C. current.
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
  • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.
$37.63
P-C194E Choke - Hammond, Replacement for Vox AC30 vintage
Replacement for Vox AC30 vintage
Specifications:
  • Inductance ± 15%: 30 H
  • D.C. Current: 100 mA
Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Inductances measured at rated D.C. current.
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
  • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.
$34.36
P-C194G Choke - Hammond, Replacement for Marshall Plexi
Replacement for Marshall Plexi Specifications:
  • Inductance ± 15%: 3 H
  • D.C. Current: 250 mA

Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Inductances measured at rated D.C. current.
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
  • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.
$22.14
P-CF22699 Filter Choke - 90 mA, for Fender® Twin, Super, Dual Showman
Replacement for Fender Twin, Super, and Dual Showman. Equivalent to #125C1A & #022699.
$13.95
P-CF22707 Filter Choke - 50 mA for Fender® Deluxe & Vibrolux
Replacement for Fender Deluxe and Vibrolux. Equivalent to #125C3A & #022707.
$12.95
P-H1600-A Switch - Rotary Impedance Selector, for Hammond 1600A series
Includes: 3 pole, 3 position rotary switch, ¼" output jack and black chicken head knob. Hammond 1600A series transformers provide 'easy wire secondary' impedances of 4, 8, or 16 ohms. We now offer a selector switch, pre-wired and complete with ¼" output jack. Follow simple instructions provided to wire transformer secondary to switch, mount switch and ¼" jack in separate 3/8" diameter holes in chassis and you'll easily be able to select output impedance as necessary. (Not recommended for 1645A or 1650G) (See P-H1600 for a selector switch to work with Hammond 1600 series transformers.)
$11.95
P-RC-1 Choke - One Electron, Audio, PRC-1, for Shunt Feed SE Output
The PRC-1 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.
$85.00
P-RC-2 Choke - One Electron, Audio, PRC-2, for Shunt Feed SE Output
The PRC-2 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.
$69.95
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-T109L Transformer - Hammond, 2W Audio Miniature Epoxy Potted
Special Order Item
Features:
  • Perfect for audio input, line matching, isolation or output transformer applications.
  • 2 watt (± 1.5 db, 300Hz. - 50 KHz.).
  • Epoxy potted in an attractive black molded case, Pin type P.C. board mount (min. 0.187" length).
  • Power level ratings are maximum at lowest frequency rating
  • Power can be increased slightly at higher frequencies.
  • Will withstand soldering for 10 sec. @ 260 degrees C, ambient temp. 85 degrees C max.
$33.14
Note: special order items require additional lead time. See our page on special order items.
P-T1182D240 Transformer - Hammond, Toroidal Power, 30VA
Special Order Item
Toroidal power transformer. 30VA, 50/60 Hz. 12.30% voltage regulation, open toroid center.
  • Torodial transformer benefits:
    • low profile
    • lightweight
    • cool running / high efficiency
    • due to the core shape - low stray magnetic flux leakage (low EMI)
  • Dual 117/234 VAC primary, 50/60 Hz. operation.
  • Note: Units are designed to have all windings engaged (either series or parallel connected) or connected as an autotransformer.
  • Supplied with two neoprene rubber insulating pads, one metal centering washer and all mounting hardware
  • Minimum 8" long flexible leads
  • Manufactured using Class B (130 degree C) materials.
  • Hi-Pot test of 4,000VAC RMS between primary & secondary
  • UL recognized to UL506 (XPTQ2.Guide) UL file #E207860
  • CSA certified to C22.2 #66 - CSA file #209651
  • CE compliant to IEC 61558-2-4
$55.56
Note: special order items require additional lead time. See our page on special order items.
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-T124B Transformer - Hammond, Audio Interstage, 10K PRI, 90K SEC
  • Designed for general purpose or replacement use in single ended or phase inverter tube driver circuits.
  • Open style 2 point mount with minimum 5" long primary leads.
  • Core material is 49% Nickel Steel laminations for better low end response.
  • Operates in the 150 Hz - 15 KHz range.

Specifications
Primary Impedance
10,000 Ω
Secondary Impedance
90,000 Ω CT
Output Power
5 W
Primary DC Resistance
405 Ω
Secondary DC Resistance
1,525 Ω
Primary Inductance
28 H
Secondary Inductance
108 H
Leakage Inductance
0.11 H
Primary Impedance
175 kΩ
Secondary Impedance
$48.25
P-T124D Transformer - Hammond, Audio Interstage, 7K PRI, 15.8K SEC
  • Designed for general purpose or replacement use in single ended or phase inverter tube driver circuits.
  • Open style 2 point mount with minimum 5" long primary leads.
  • Core material is Grain Oriented Silicon Steel.
  • Operates in the 150 Hz - 15 KHz range.

Specifications
Primary Impedance
7,000 Ω CT
Secondary Impedance
15,800 Ω CT
Output Power
5 W
Primary DC Resistance (Blue-Red)
218 Ω
Primary DC Resistance (Red-Brown)
236 Ω
Secondary DC Resistance (Green-Black)
297 Ω
Secondary DC Resistance (Black-Green)
394 Ω
Primary Inductance
6.45 H
Secondary Induct
$38.60
P-T124E Transformer - Hammond, Audio Interstage, 15K PRI, 33.8/135K S
  • Designed for general purpose or replacement use in single ended or phase inverter tube driver circuits.
  • Open style 2 point mount with minimum 5" long primary leads.
  • Core material is Grain Oriented Silicon Steel.
  • Operates in the 150 Hz - 15 KHz range.

Specifications
Primary Impedance
15,000 Ω CT
Secondary Impedance (Parallel)
33,800 Ω CT
Secondary Impedance (Series)
135,000 Ω CT
Output Power
5 W
Primary DC Resistance (Blue-Red)
373 Ω
Primary DC Resistance (Red-Brown)
355 Ω
Secondary DC Resistance (Green-Black)
1,630 Ω
Secondary DC Resistance (Black
$46.65
P-T125A Transformer - Hammond, Universal Push-Pull, 3 W, 25 mA
  • 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.

Dimensions (Inches) Mounting Hole Part No. Audio Watts Max. D.C.
$36.82
P-T125ASE Transformer - Hammond, Universal Single Ended, 3 W, 25 mA
  • Designed for general purpose or replacement use (not Hi-Fi), in single ended, tube output circuits.
  • Frequency response: 100 Hz. - 15 Khz (± 1db max. - ref. 1 Khz). (For full frequency response (20 Hz. to 20 Khz.) - see P-T1627SE).
  • For push-pull output use, see P-T125A - optimized for push-pull tube output circuits.
  • Open style with minimum 12" long primary & secondary leads leads.
  • All sizes use butt stacked cores (using 29M6 steel) with an air gap, to reduce D.C.
$45.84
P-T125B Transformer - Hammond, Universal Push-Pull, 5 W, 45 mA
Special Order Item
  • 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.

Dimensions (Inches)
Mounting Hole
Part No.
Audio Watts
Max. D.C.
$45.38
Note: special order items require additional lead time. See our page on special order items.
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