Transformers & Chokes

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
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-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-T166-12 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 $9.94
Note:
P-T166E12:1.8
P-T166F12B:3.6
P-T166JA12:12
P-T166K12:14.4
P-T166LA12:24
P-T166JB12:14.4 - 117V primary
are special order items.
Note: some of these items are special order items.
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 $14.35
Note:
P-T166F10:3
P-T166L10:20
are special order items.
Note: some of these items are special order items.
P-T166-44 Transformer - Hammond, Low Voltage / Filament, Open, 44 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 44V center tapped secondary.
Starting at $22.73
Note:
P-T166E44:6.6
P-T166F44:11
P-T166G44:22
are special order items.
Note: some of these items are special order items.
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
$40.21
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-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
P-T166G9 Transformer - Hammond, Low Voltage / Filament, Open, 9 VCT
Special Order Item
Open style, chassis mount transformers with a 115V 60Hz primary and a 9V center tapped secondary.
$24.22
Note: special order items require additional lead time. See our page on special order items.
P-T167X-5 Transformer - Hammond, Low Voltage / Filament, Enclosed, 5 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 5 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 $36.59
P-T166M72 Transformer - Hammond, Low Voltage / Filament, Open, 72 VCT
Open style, chassis mount transformers with a 117V 50/60Hz primary and a 72V center tapped secondary.
$67.59
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-T1182-9 Transformer - Hammond, Toroidal Power, 9V / 18V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 18 V series, 9 V parallel secondary.
Starting at $49.32
P-T167L50 Transformer - Hammond, Low Voltage / Filament, Enclosed, 50 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 50 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).
$58.10
P-T166-7 Transformer - Hammond, Low Voltage / Filament, Open, 7 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 7V or 7.5V secondary.
Starting at $24.22
Note: P-T166G7: 4.9 is a special order item.
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 $36.43
P-T166G100 Transformer - Hammond, Low Voltage / Filament, Open, 100 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 100V center tapped secondary.
$38.30
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-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 $11.60
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-T1182-15 Transformer - Hammond, Toroidal Power, 15V / 30V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 30 V series, 15 V parallel secondary.
Starting at $52.87
P-T176D Transformer - Hammond, Step-Up, 500VA
Capacity: 500VA Features:
  • Single winding does not provide isolation, for use where equipment is already isolated and only voltage change is required.
  • World wide applications, 50 or 60 Hz.
$159.37
P-T166J24 Transformer - Hammond, Low Voltage / Filament, Open, 24 V no tap
Special Order Item
Open style, chassis mount transformers with a 117V 50/60Hz primary and a 24V secondary.
$19.84
Note: special order items require additional lead time. See our page on 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 $101.18
P-T166L42 Transformer - Hammond, Low Voltage / Filament, Open, 42 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 42V center tapped secondary.
$49.57
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