Transformers & Chokes

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
P-T1750X-FENDER Transformer - Hammond, Output, replacement for Fender
  • Replacements for Fender Amps
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Starting at $18.44
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 $13.02
Note:
P-T155B: 6 mH / 2 A
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-T263-X Transformer - Hammond, High Voltage Plate & Filament, Vertical mount
  • Vertical Mount. For Horizontal Mount, see P-T263-Z
  • Primary 115 VAC, 60 Hz. - except as noted
  • Enclosed, 4 hole, chassis mount.
  • Minimum 6" long leads.
  • Units can be run full wave bridge or full wave C.T.
  • Class A insulation (105 degrees C).
  • Hi-Pot test of 2,000V RMS.
  • Conservative designs - CSA certified (209651).
Starting at $50.06
P-T290-FENDER-120 Transformer - Hammond, Guitar Amplifier, replacement for Fender, 120 V
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
  • See P-T290-FENDER-120-UP for upgraded 120 V transformers, P-T290-FENDER-240 for 240 V transformers

Warning: Not all amplifier models of the same name use the same transformer model.
Starting at $36.25
P-T166-6 Transformer - Hammond, Low Voltage / Filament, Open, 6.3 VCT
  • Open style, chassis mount transformers with a 115V 60Hz or 117 50/60Hz primary and a 6.3V center tapped secondary.
Starting at $10.02
Note: P-T166K6: 7.56 is a special order item.
P-T125XSE Transformer - Hammond, Universal Single Ended
  • 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. core saturation.
  • Primary impedance range from 2,500 to 10,000 Ohms.
  • Secondary impedance range from 4 to 32 Ohms.



Part No.
Audio Power
Max D.C. Bias
Dimensions (Inches)


A
B
C
D
E
G Mtg.
Starting at $45.84
P-T1750X-MARSHALL Transformer - Hammond, Output, replacement for Marshall
  • Replacements for Marshall Amps
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Starting at $37.50
P-T1650X Transformer - Hammond, Tube Output, Push-Pull
  • Designed for push-pull tube output circuits.
  • Enclosed (shielded), 4 slot, above chassis Type 'X' mounting.
  • Frequency response 30 Hz. to 30 Khz. at full rated power (± 1 db max. - ref.
Starting at $85.25
P-T261X6 Transformer - Hammond, Plate & Filament or Bias, 6.3 V auxiliary
  • Primary 115 VAC, 60 Hz.
  • Designed for small power or bias supplies, test equipment, preamps etc.
  • Models P-T261C6, P-T261E6, and P-T261G6 can also be used with full wave C.T. rectifiers.
  • Economical , two hole, channel bracket, chassis mount.
  • Minimum 5" long leads.
  • Convenient 6.3 filament/auxiliary winding.
Starting at $33.87
P-T125X Transformer - 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.
Starting at $36.82
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-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 $38.65
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.
$16.42
P-T300-X Transformer - Hammond, High Voltage Universal Plate & Filament, Vertical mount
  • Primary: Universal - 100, 110, 120, 200, 220,230, 240 VAC 50/60 Hz.
    • NOTE: units are designed to operate with BOTH primary windings engaged.
    • See primary wiring information under resources.
  • Bias Tap: 50 VAC tap from high voltage secondary C.T. (except part number P-T379WX - uses a separate 60VAC 0.2 Amp winding).
  • Highpot tested: 2,000 VAC
  • Faraday Copper Primary Shield: Our electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries (shield is internally grounded to the end bell).
  • Windings: Concentric wound for low stray field and low noise.
  • Models: This series is an upgrade from our P-T263-X range of units PLUS 2 models designed specifically for 300B tubes (Part Number P-T300BX) and 2A3 tubes (Part Number P-T302AX).
  • Finish: Black powder paint to match our P-T1650X series of output transformers Units can be run full wave bridge or full wave C.T.
  • Conservative designs - CSA certified (209651).
Starting at $70.22
P-C194X Choke - Hammond, replacement for Marshall amps
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.
Starting at $22.14
P-T166-2 Transformer - Hammond, Low Voltage / Filament, Open, 2.5 VCT
  • Open style, chassis mount transformers with a 115V 60Hz primary and a 2.5V center tapped secondary.
Starting at $16.44
Note:
P-T166F2: 0.63
P-T166G2: 1.25
P-T166J2: 2.5
P-T166K2: 3.75
are special order items.
Note: some of these items are special order items.
P-T290-MARSHALL Transformer - Hammond, Guitar Amplifier, replacement for Marshall
  • Replacements for Marshall amps
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Starting at $96.50
P-T166-5 Transformer - Hammond, Low Voltage / Filament, Open, 5 VCT
  • Open style, chassis mount transformers with a 115V 60Hz primary and a 5V center tapped secondary.
Starting at $19.95
Note:
P-T166F5: 1.25
P-T166G5: 2.5
P-T166J5: 5
are special order items.
Note: some of these items are 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-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 $38.60
P-T290-VOX Transformer - Hammond, Guitar Amplifier, replacement for Vox
  • Replacement for Vox amplifiers
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Starting at $72.95
P-T166-126 Transformer - Hammond, Low Voltage / Filament, Open, 12.6 VCT
  • Open style, chassis mount transformers with a 115V 60Hz or 117 50/60Hz primary and a 12.6V center tapped secondary
Starting at $10.02
Note:
P-T166C12: 0.63
P-T166J12B: 12.6 - 117V primary
P-T166K12B: 18.9
P-T166L12B: 25.2
P-T166F12: 3.78
P-T166L12: 31.5
P-T166G12: 6.3
are special order items.
Note: some of these items are special order items.
P-T1650XA Transformer - Hammond, Tube Output, Easy Wire Secondary
  • Designed for push-pull tube output circuits.
  • Enclosed (shielded), 4 slot, above chassis Type 'X' mounting.
  • Frequency response 30 Hz. to 30 Khz. at full rated power (± 1 db max. - ref.
Starting at $96.51
P-T263-Z Transformer - Hammond, High Voltage Plate & Filament, Horizontal mount
  • Horizontal mount. For Vertical Mount, see P-T263-X
  • Primary 117 VAC, 50/60 Hz. - except as noted
  • Enclosed, 4 hole, chassis mount.
  • Minimum 6" long leads.
  • Units can be run full wave bridge or full wave C.T.
  • Class A insulation (105 degrees C).
  • Hi-Pot test of 2,000V RMS.
  • Conservative designs - CSA certified (209651).
  • For Vertical Mount, see P-T263-X
Starting at $67.25
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