Transformers & Chokes

Hammond
Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
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
Transformer - Hammond, Guitar Amplifier, replacement for Fender, 120 V
Warning: Not all amplifier models of the same name use the same transformer model.
- 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
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
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
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:
Features:
- 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
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
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
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
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
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
Transformer - Hammond, Universal Single Ended
Part No.
Audio Power
Max D.C. Bias
Dimensions (Inches)
A
B
C
D
E
G Mtg.
- 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
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
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
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
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
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
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
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
Transformer - Hammond, Guitar Amplifier, replacement for Fender, 240 V
Warning: Not all amplifier models of the same name use the same transformer model.
- 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 for 120 V transformers, P-T290-Fender-120-UP for upgraded 120 V transformers
Warning: Not all amplifier models of the same name use the same transformer model.
Starting at $41.00
Transformer - 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
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.
$48.25
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
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
Transformer - Hammond, Guitar Amplifier, replacement for Fender, 120 V upgrade
Warning: Not all amplifier models of the same name use the same transformer model.
- Designed for drop in replacement of original units. Upgraded units with variable voltage.
- 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 for 120 V basic 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 $84.18
Transformer - Hammond, Low Voltage / Filament, Open, 12 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 12V center tapped secondary.
Starting at $7.52