Transformers & Chokes

Fender

Fender® - Founded in Fullerton California by Leo Fender, Fender Musical Instruments Corp is the world's foremost manufacturer of guitars, basses, amplifiers and related equipment dating back to the 1940's.

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
P-T290-FENDER-120-UP Transformer - Hammond, Guitar Amplifier, replacement for Fender, 120 V upgrade
  • 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
P-T290-YORKVILLE Transformer - Hammond, Guitar Amplifier, replacement for Yorkville / Traynor
  • Replacement for Yorkville/Traynor 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".

Part No. Primary Secondary 1 Secondary 2 Secondary 3 Yorkville / Traynor Amp Yorkville / Traynor Part No VAC Hz. P-T290TRA 120 V 60 Hz. 320 V @ 600 mA 60 V @ 50 mA 6.3 V.C.T. @ 9 A 100 Watt Bass A-1380 P-T290TRB 120 V 60 Hz. 620 V @ 115 mA 6.3 V.C.T. @ 115 mA YBA2-B A-1314 P-T291JX 120 V 60 Hz. 320 V @ 500 mA 60 V @ 20 mA 6.65 V.C.T.
Starting at $76.50
P-T290-AMPEG Transformer - Hammond, Guitar Amplifier, replacement for Ampeg
  • Replacement for Ampeg 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".



Part No.
Primary
Ampeg Model Names
Ampeg Part No
Bobbin/Paper Wound


VAC
Hz.




P-T291GX
120 V
60 Hz.
B25
12XA
Bobbin


P-T290CAZ
117 V
60 Hz.
Gemini VI 25W
PT 113
Bobbin


P-T290ETX
120 V
60 Hz.
Super Echo Twin
PT 109
Bobbin


P-T291HX
110 / 115 / 230 V
50 / 60 Hz.
V50H
94-270-030
Bobbin
Starting at $75.30
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-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-T166F30 Transformer - Hammond, Low Voltage / Filament, Open, 30 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 30 C.T.
  • Center tapped secondary.
  • Open style, channel bracket, two hole chassis mount.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C).
  • Hi-Pot test of 2,000 V RMS.
  • UL listed (# E50394) & CSA certified (# LR3902).
$25.00
P-T162F120 Transformer - Hammond, Power, Low Voltage PC Mount Dual Primary
  • Operate on 50/60 Hz current
  • Low profile, split bobbin design.
  • Dual winding secondaries, non-concentrically wound
  • Units are designed so that all windings must be used
  • Low primary to secondary coupling - no electrostatic shield required.
  • Universal dual primary 115/230V
  • High insulation - Hipot of 2,500V RMS.
  • Class B insulation - 130 degrees C.
$8.39
P-T182L6 Transformer - Hammond, Toroidal Power, Chassis Mount, 30VA
Specifications
  • VA: 30
  • VAC Secondary (RMS) Series: 12V C.T. @ 2.5A
  • VAC Secondary (RMS) Parallel: 6V @ 5A

Features:
  • Dual Secondary
  • Open Toroid Center
  • Low profile, lightweight, cool running - due to high efficiency toroidal design
  • Dual 117/234 VAC primary, 50/60 Hz.
$68.17
P-T229D40 Transformer - Hammond, Power, Low Voltage PC Mount
Size: 48 VA
Secondary Series: 40V C.T. @ 1.2A
Secondary Parallel: 20V @ 2.4 A
Features:
  • Low profile mounting, dual - split bobbin design.
  • Low primary to secondary coupling, balanced windings, no electrostatic shield required and low EMF radiation due to semi-toroidal design.
  • Universal dual primary 115/230V - 50/60 Hz.
  • High insulation - Hipot of 1,750V RMS.
  • Class B insulation - 130 degrees C.
  • C UL US recognized.
$30.35
P-T266G14 Transformer - Hammond, Power, Low voltage, 14V/0.5A
Specifications:
  • Size: 7 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 14V @ 0.5 A
  • Secondary VAC RMS Parallel: 7V @ 1 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for extra p
$28.64
P-T266G36 Transformer - Hammond, Power, Low voltage, 36V/0.5A
Specifications:
  • Size: 18 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 36V @ 0.5 A
  • Secondary VAC RMS Parallel: 18V @ 1 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for extra
$38.19
P-T266J14 Transformer - Hammond, Power, Low voltage, 14V/1A
Specifications:
  • Size: 14 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 14V @ 1 A
  • Secondary VAC RMS Parallel: 7V @ 2 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for extra pr
$35.80
P-T266J48 Transformer - Hammond, Power, Low voltage, 48V/1A
Specifications:
  • Size: 48 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 48V @ 1 A
  • Secondary VAC RMS Parallel: 24V @ 2 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for extra p
$35.80
P-T266M16 Transformer - Hammond, Power, Low voltage, 16V/3A
Specifications:
  • Size: 48 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 16V @ 3 A
  • Secondary VAC RMS Parallel: 8V @ 6 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for extra pr
$38.19
P-T266N12 Transformer - Hammond, Power, Low voltage, 12.6V/4A
Specifications:
  • Size: 50.4 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 12.6V @ 4 A
  • Secondary VAC RMS Parallel: 6.3V @ 8 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for ex
$40.57
P-T266PA6 Transformer - Hammond, Power, Low voltage, 6.3V/6A
Specifications:
  • Size: 37.8 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 6.3V @ 6 A
  • Secondary VAC RMS Parallel: 3.15V @ 12 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for e
$47.73
P-T373AZ Transformer - Hammond, Power, 325-0-325 V, 46 mA, Univ. Primary
  • Universal Primary - 100, 110, 120, 200, 220, 240 VAC 50/60 Hz.
  • High voltage secondary designed for full wave center tapped use.
  • 50 VAC bias tap from high voltage secondary C.T.
  • Black epoxy painted to match our P-T1650 series of output transformers .
  • Class A insulation (105 degrees C).
  • Hi-Pot tested to 2,500 VAC.
  • Windings are concentric wound for low stray field and low noise.

Secondary: 325-0-325 V, 46 mA Filament winding 1 : 5 VCT, 2 A Filament winding 2 : 6.3 VCT, 2 A Mounting centers: horizontal mount Weight: 2.5 lbs.
$122.78
P-T143 Transformer - Hammond, Power, 350-0-350V, 70-90 mA
Custom manufactured to replace most 6 and 7 tube sets of the early 1930s. Supplied with vertical mounting shells. Provides a seperate filament winding for audio output stages.
Specifications
Rating: 350-0-350 V, 70 or 90 mA (if 5 V winding is used with 2 A rectifier)
Windings: 5 V, 3 A; 2.5 V, 7.5 A; 2.5 VCT, 3.5 A
Mounting Centers:2 x 2.625"
Weight: 4.2 lbs.
Overall Height: 3.12"
$105.95
P-T266M5 Transformer - Hammond, Power, Low V Primary / Secondary, 5V/3A
Specifications:
  • Size: 15 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 5V @ 3 A
  • Secondary VAC RMS Parallel: 2.5V @ 6 A

Features:
  • Primary 117/234 VAC, 50/60 Hz.
  • Dual secondaries
  • Secondaries can be used as; a center tapped secondary, parallel connected or used individually
  • Units are designed for use with all windings engaged.
  • Open style.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C) for extra p
$35.80
P-T270CBX Transformer - Hammond, Power, 250-0-250 V, 100 mA
Special Order Item
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
$58.94
Note: special order items require additional lead time. See our page on 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 $65.03
P-T185F24 Transformer - Hammond, Global Use, Dual Primary 115/230 VAC
  • Dual primary 115/230 VAC
  • 50/60 Hz. operation
  • Dual secondaries for series or parallel connections
  • 4,000 V RMS Hipot test
  • Class F insulation (155 degrees, C)
  • Chassis mount
  • Dual bobbin construction
  • Dual use terminals
  • C UL US recognized (E207860)
  • TUV Type Approved
  • CE certified to IEC 950 (Approved to EN 60-742 Safety Isolating Transformers)
$41.59
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-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 $48.97
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