Transformers & Chokes

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
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-T260X Transformer - Hammond, Plate & Filament
  • Universal primary with taps for 100, 120, 220 or 240 VAC, 50 / 60 Hz. (Except the 260A6 which is 117V, 50/60 Hz only)
  • Designed for preamps, low power amps, general replacement, test equipment, etc.
  • Economical, open frame, chassis mount - two hole (.187 dia. = G) channel bracket (figure #1) or four hole mounting (figure #2).
  • Units include a Faraday shield between the primary and secondary windings. Our electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries.
  • Minimum 5" long leads.
  • For more selection check out our P-T300-X series of universal plate & filament transformers.
Starting at $78.05
P-T290-FENDER-240 Transformer - Hammond, Guitar Amplifier, replacement for Fender, 240 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 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
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 $86.77
P-T1140-LU-X Transformer - Hammond, Line Output Transformers
Studio Grade Impedance Matching, 1140 Series. ​Designed with Nickel alloy cores for high performance and Wide Bandwidth. Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz). Low distortion at levels up to +27 dBu @ 20 Hz. Open Style
Starting at $36.38
P-T162XSEA Transformer - Hammond, Output, Single-Ended, 30 W
  • 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.
Starting at $159.23
P-T270CBX Transformer - Hammond, Power, 250-0-250 V, 100 mA
Primary 115 VAC 60 Hz.
Secondary DC current measured with cap. input filter, full wave (two diode) C.T., rectifier circuit.
Enclosed, 4 hole chassis mount.
Minimum 6 long leads.
2" X 2" vertical mounting centers.
Class A insulation (105 degrees C).
Hi-Pot test of 2000 V RMS.
Conservative designs - CSA certified (# LR3902).
3.2lbs
Secondary: 250-0-250 V100 mA
Filament winding 1: 5 V2 A
Filament winding 2: 6.3 V3 A
$65.31
P-T118944 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
  • 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
P-T166-10 Transformer - Hammond, Low Voltage / Filament, Open, 10 VCT
  • Open style, chassis mount transformers with a 115V 60Hz primary and a 10V center tapped secondary
Starting at $11.95
Note:
P-T166F10:3
P-T166L10:20
are special order items.
Note: some of these items are special order items.
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
P-T1140-LN-X Transformer - Hammond, Line Input Transformers
Studio Grade Impedance Matching, 1140 Series. ​Designed with Nickel alloy cores for high performance and Wide Bandwidth. Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz). Low distortion at levels up to +27 dBu @ 20 Hz. Excellent Shielding – Mu Metal enclosures
Starting at $68.87
P-T145-X Transformer - Hammond, 145 Series, Audio Chassis Mount
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.
Starting at $0.00
Save 100%
Originally: $19.19
Note:
P-T145D:200kΩ / 1kΩ
P-T145A:100Ω / 200Ω
P-T145O:15kΩ / 200Ω
P-T145P:20kΩ / 1kΩ
P-T145R:20kΩ / 2kΩ
P-T145G:2kΩ / 200Ω
P-T145H:2kΩ / 500Ω
P-T145L:4kΩ / 2.6kΩ
P-T145C:50kΩ / 1.5kΩ
P-T145F:600Ω / 200Ω
P-T145E:600Ω / 600Ω ct
are special order items.
Note: some of these items are special order items.
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-T166-24 Transformer - Hammond, Low Voltage / Filament, Open, 24 VCT
Open style, chassis mount transformers with a 115V 60Hz or 117 50/60Hz primary and a 24V center tapped secondary.
Starting at $7.52
Note:
P-T166EA24:4.8
P-T166FB24:9.6
P-T166GD24B:16.8
P-T166JB24:24
P-T166L24:48
are special order items.
Note: some of these items are special order items.
P-T166-36 Transformer - Hammond, Low Voltage / Filament, Open, 36 VCT
  • Open style, chassis mount transformers with a 115V 60Hz or 117V 50/60Hz primary and a 36V center tapped secondary.
Starting at $16.57
Note:
P-T166E36:5.4
P-T166F36A:10.8 - 117V primary
are special order items.
Note: some of these items are special order items.
P-T171X Transformer - Hammond, Isolation / plug & receptacle
  • Primary 115VAC, 50 / 60 Hz., Secondary 115VAC
  • Provides complete circuit isolation.
  • Electrostatic shield between primary & secondary to greatly attenuate surges and noise.
  • Hi-pot tested to 2 KV RMS.
  • Circuit breaker in primary.
  • Standard 3-wire, grounded plug & receptacle.
  • Input (primary) connected to 5 foot long cord & standard North American plug (NEMA 5-15P).
  • Output (secondary) connected to 1 foot long "pig tail" cord, 3-wire, standard North American grounded receptacle (NEMA 5-15R).
  • North American Mark of Safety - C UL & UL listed (File #E211544)
  • Indoor use only
  • Remember - These units do NOT convert line frequency
Starting at $87.42
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.
$34.36
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-T143-X Transformer - Hammond, 143 Series, Audio Chassis Mount
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.

Part No. Applicaton Nominal Impedance (Ohms) Primary D.C. D.C.
$29.57
P-T166-18 Transformer - Hammond, Low Voltage / Filament, Open, 18 VCT
  • Open style, chassis mount transformers with a 115V 60Hz or 50/60Hz primary and an 18V center tapped secondary.
Starting at $8.75
Note:
P-T166B18:0.54
P-T166E18:5.4
P-T166J18:18
P-T166K18:27
are special order items.
Note: some of these items are special order items.
P-T1750X-VOX Transformer - Hammond, Output, replacement for Vox
  • Replacements for Vox 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 $95.44
P-T167X-6D3 Transformer - Hammond, Low Voltage / Filament, Enclosed, 6.3 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 6.3 C.T.
  • All secondaries center tapped, VAC (RMS)
  • Enclosed, 4 hole chassis mount.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees C).
  • Hi-Pot test of 2,000V RMS.
  • UL listed (# E50394) & CSA certified (209651).
Starting at $31.49
P-T1750X-YORKVILLE Transformer - Hammond, Output, replacement for Yorkville / Traynor
  • Replacements for Yorkville/Traynor 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 $47.87
P-T146-X Transformer - Hammond, 146 Series, Audio Chassis Mount
Special Order Item
Features:
  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 3" 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.
$19.19
Note: special order items require additional lead time. See our page on special order items.
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