Transformers & Chokes

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
P-T164X-28 Power Transformer - Hammond, 115V, 28VCT
Special Order Item
  • Both series 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.
  • High insulation - Hipot of 2,500V RMS.
  • Class B insulation - 130 degrees C.
  • c UL us recognized
Starting at $9.14
Note: special order items require additional lead time. See our page on special order items.
P-T165P60 Transformer - Hammond, Filament High Current, 115V, 60V/5A, 300VA
Low Voltage, Filament High Current, Chassis Mount. 115 V primary.
$91.75
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)
$43.56
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 $90.48
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 $48.75
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 $101.14
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 $52.10
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 $106.05
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 $91.25
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 $91.92
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 $82.05
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 $51.95
P-T710-X Transformer - Hammond, High Voltage Plate, 115 VAC, 50 / 60 Hz
  • Primary 115 VAC, 50 / 60 Hz.
  • At 2,000 VAC and above, secondary leads are through rubber bushings
  • Units can be run full wave bridge or full wave C.T.
  • V.A. is a C.C.S. rating
  • Current ratings are CCS (Continuous Commercial Service) & ICAS ratings (Intermittent Commercial or Amateur Service).
  • Enclosed, 4 hole chassis mount.
  • Minimum 6" long leads.
  • Class A insulation (105 degrees C).
  • Hi-Pot test at a minimum of twice secondary voltage
  • Conservative designs - CSA certified (209651).
Starting at $94.90
P-T300-Z Transformer - Hammond, High Voltage Universal Plate & Filament, Horizontal 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.
Starting at $110.65
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 $84.37
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 $101.18
P-T169C Transformer - Hammond, Isolation, 100VA
Capacity: 100 VA
Features:
  • Primary 115VAC, 60 Hz.
  • Secondary taps @ 90, 100, 110, 115, 120 & 130VAC
  • Electrostatic shield between primary & secondary
  • Connection by flexible leads, 8" minimum length
  • Perfect for critical line voltage needs (examples: older "classic" tube equipment or Japanese 100V equipment).
  • CSA certified (# LR3902)
  • Remember - These units do NOT convert line frequency
$72.63
P-T169XS Transformer - Hammond, Isolation, 115V
  • Primary 115VAC, 60 Hz.
  • Secondary 115VAC
  • Electrostatic shield between primary & secondary
  • Connection by flexible leads, 8" minimum length
  • Perfect for circuit isolation or "Classic" bias power supply
  • CSA certified (209651)
  • Remember - These units do NOT convert line frequency
Starting at $65.60
P-T298G4 Transformer - Hammond, Line European grounded adaptor plug
Special Order Item
Europeon plug type Used in: Austria; Belgium; Finland; France; Germany; Middle East; Netherlands; Norway; Parts of Africa, Asia ,South America, China, Tahiti and Caribbean; Sweden Features:
  • For use with Hammond transformers
  • Heavy duty design with plastic shell & double wipe contacts.
  • Indoor use only.
  • Allows for ground connection between equipment and international power sources.
  • Adaptors do not affect voltages, they are a mechanical device only to match foreign "pin-outs" of receptacles and/or plugs.
$11.32
Note: special order items require additional lead time. See our page on special order items.
P-T298DT Transformer - Hammond, Line Step Up Isolation, Toroidal, 500 VA
Capacity: 500 VA
Dimensions: 9" long by 6" wide by 4" height
Features:
  • Primary 120VAC, 50/60 Hz., Secondary 240VAC.
  • Provides circuit isolation.
  • Toroidal transformer for high isolation, low noise, light weight cool operation and low profile.
  • 50 or 60 Hz.
$324.17
P-T167S10 Transformer - Hammond, Low Voltage / Filament, Enclosed, 10 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 10 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).
$60.41
P-T167X-12D6 Transformer - Hammond, Low Voltage / Filament, Enclosed, 12.6 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 12 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 $37.51
P-T167G120 Transformer - Hammond, Low Voltage / Filament, Enclosed, 120 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 120 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).
$52.27
P-T167X-25 Transformer - Hammond, Low Voltage / Filament, Enclosed, 25 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 25 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 $36.83
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