Transformers & Chokes

P-T126B Transformer - Hammond, Tube Driver Interstage
Special Order Item
Audio watts: 4
Impedance: 5k ohms
D.C. Resistance: 178 ohms
Inductance: 44 henries
Rated D.C. Bias Current: 30 mA
Features:
  • Designed for driver use ONLY in single ended tube output amplifiers. These units replace coupling capacitor circuits for improved sound.
  • Closed style with minimum 8" long leads.
  • All models use bifilar wound windings for exceptional coupling and bandwidth.
  • Minimum frequency response 20 Hz. - 20 Khz (± 1db max. ref. 1 Khz.).
  • The core is gapped to support the specified D.C.
$90.23
Save 11%
Originally: $101.38
Note: special order items require additional lead time. See our page on special order items.
P-T145J Transformer - Hammond, Audio Chassis Mount Driver, 4k primary
Special Order Item
  • Application: Driver
  • Primary Impedance: 4000 ohms
  • Secondary Impedance: 600 ct
  • Primary D.C.: 8 mA
  • Primary D.C. Resistance: 340 ohms
  • Secondary D.C. Resistance: 24 ohms
  • Output: 135 mW
  • Dimensions A: 1.63
  • Dimensions B: 0.88
  • Dimensions C: 0.81
  • Dimensions D: 1.38

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.
  • Net weight: 0.5 oz.
$19.56
Save 11%
Originally: $21.98
Note: special order items require additional lead time. See our page on special order items.
P-T145N Transformer - Hammond, Audio Chassis Mount Driver, 10k primary
Special Order Item
  • Application: Driver
  • Primary Impedance: 10000 ohms
  • Secondary Impedance: 2000 ct
  • Primary D.C.: 5 mA
  • Primary D.C. Resistance: 700 ohms
  • Secondary D.C. Resistance: 89 ohms
  • Output: 135 mW
  • Dimensions A: 1.63
  • Dimensions B: 0.88
  • Dimensions C: 0.81
  • Dimensions D: 1.38

Features:
  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 4" long minimum
  • Frequency response 150 Hz. to 15 Khz.
$19.56
Save 11%
Originally: $21.98
Note: special order items require additional lead time. See our page on special order items.
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.
$130.14
Save 11%
Originally: $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.
$62.26
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Originally: $69.95
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
$0.96
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Originally: $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.
$26.84
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Originally: $30.16
P-T124X Transformer - 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.
Starting at $34.35
Save 11%
Originally: $38.60
P-T154-P-T156-X Filter Choke - Hammond, Open Bracket
Features
  • Economical "open bracket" - channel mount.
  • Tolerance of 15% on both inductance & resistance.
  • Inductances measured at rated D.C.
Starting at $11.40
Save 11%
Originally: $12.81
Partially Out of Stock
Note:
P-T155B: 6 mH / 2 A
P-T159ZC: 60 mH / 2 A
P-T156M: 3 H / 100 mA
P-T157Q: 3.5 H / 150 mA
P-T156L: 5 H / 75 mA
P-T154G: 9 H / 40 mA (700 ohm)
P-T155C: 60 H / 8 mA
are special order items.
Note: some of these items are special order items.
P-T156 Transformer - 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
$15.09
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Originally: $16.95
P-T193X Filter Choke - Hammond, D.C. choke, Enclosed
  • Enclosed, 4-hole mount chokes
  • Tolerance of 15% on both inductance & resistance.
  • Inductances measured at rated D.C. current.
  • Minimum 8" long leads.
  • Units will exhibit less inductance at slightly higher currents or more at lower currents.
  • Perfect for high voltage power supply filtering, case matches power transformers & tube audio output transformers.
  • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.
  • For more sizes and voltages (open - bracket mount type) - see P-T154-P-T156-X
  • Operating temperature range is -40C to 85C
Starting at $34.40
Save 11%
Originally: $38.65
Partially Out of Stock
Note:
P-T193T: 0.05 H / 2 A
P-T193N: 3 H / 500 mA
P-T193P: 5 H / 500 mA
P-T193G: 10 H / 150 mA
P-T193M: 10 H / 300 mA
P-T193Q: 10 H / 500 mA
P-T193B: 12 H / 100 mA
P-T193C: 20 H / 100 mA
are special order items.
Note: some of these items are special order items.
P-T290-FENDER Transformer - Hammond, Guitar Amplifier, replacement for Fender
Replacement for Fender Champ, Vibro Champ, Princeton, Princeton Reverb, Tweed Deluxe Equivalent to Fender part number 125P1B & 022772 Primary:120 VAC, 60 Hz. For 240V version, see P-T290AEX Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Plastic Core
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".

Warning: Not all amplifier models of the same name use the same transformer model. Please make sure the amplifier transformer which you are replacing has a Fender number matching the equivalent Fender transformer number listed here.
Starting at $32.26
Save 11%
Originally: $36.25
P-TM800-C-CE Filter Choke - Marshall Replacement, for JCM800
Replacement filter choke for Marshall JCM800s.
$22.21
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Originally: $24.95
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.
$75.65
Save 11%
Originally: $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.
$62.26
Save 11%
Originally: $69.95
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. 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.
$14.61
Save 11%
Originally: $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.
$15.90
Save 11%
Originally: $17.86
P-C194C Choke - Hammond, replacement for Marshall Plexi JCM800
Replacement for Marshall Plexi JCM 800.


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.
$31.26
Save 11%
Originally: $35.12
P-C194D Choke - Hammond, Replacement for Vox AC30 reissue
Replacement for Vox AC30 reissue


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.
$33.49
Save 11%
Originally: $37.63
P-C194E Choke - Hammond, Replacement for Vox AC30 vintage
Replacement for Vox AC30 vintage


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.
$30.58
Save 11%
Originally: $34.36
P-CF22699 Filter Choke - 90 mA, for Fender® Twin, Super, Dual Showman
Replacement for Fender Twin, Super, and Dual Showman. Equivalent to #125C1A & #022699.
$12.42
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Originally: $13.95
P-CF22707 Filter Choke - 50 mA for Fender® Deluxe & Vibrolux
Replacement for Fender Deluxe and Vibrolux. Equivalent to #125C3A & #022707.
$11.53
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Originally: $12.95
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.
$19.70
Save 11%
Originally: $22.14
P-T145B Transformer - Hammond, Audio driver, 145B
Special Order Item
Audio TX driver, chassis mount.
  • 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.
  • Primary: 600 ohms
  • Secondary: 600 ohms
  • Primary D.C.: 18 mA
  • D.C. Resistance (±15%): 30 ohms primary, 38 ohms secondary
  • Output: 200 mW
$19.56
Save 11%
Originally: $21.98
Note: special order items require additional lead time. See our page on special order items.
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