Transformers & Chokes

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, 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
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).
$48.36
Transformer - Hammond, Low Voltage / Filament, Open, 35 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 35V center tapped secondary.
$31.88
Transformer - One Electron, Output, 3000 Ω to 16/8/4 Ω
The UBT-3 from One Electron is the same size and power (15 watts) as the UBT-1, but has a primary impedance suitable for single or paralleled tubes running at B+ voltages of 300 to 400 volts, such as: 2A3, WE 300B, 50, etc.
$109.95
Transformer - Isolation, 50 VA, 115V, 435 mA, 2 x 115V
An Isolation Power Transformer for isolating equipment from direct connection to the power line. The transformer is constructed with non-concentrically wound coils. The primary and secondary are wound on separate arbors, then assembled on a laminate core side-by-side separated by insulation. This prevents electrical connection, under normal or overload conditions, between the primary and secondary windings.
$15.95
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
Partially Out of Stock
Note:
P-T155B:6 mH / 2 A
P-T154G:9 H / 40 mA (700 ohm)
P-T155C:60 H / 8 mA
are special order items.
Note: some of these items are special order items.
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
Transformer - Hammond, Toroidal Power, 24V / 48V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 48 V series, 24 V parallel secondary.
Starting at $104.55
Transformer - Fender®, Reverb, for Pro Reverb
Original Fender® reverb driver for Pro Reverb. Replacement for #037099. Warning: Not all amplifier models of the same name use the same transformer model. Please make sure the amplifier transformer which you are replacing has a Fender number matching the equivalent Fender transformer number listed here.
$9.45
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.
$8.57
Note: special order items require additional lead time. See our page on special order items.
Transformer - Hammond, Audio Broadcast Quality, 800A Series
Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with hardware. Includes wire leads (minimum length of 4"). Frequency response +/- 0.5 db max. from 50 Hz. to 15 Khz. Insertion loss of apx. 1 db. Maximum power level +15 dbm. (except 841A, 842A & 844A which are +20 dbm) with specified characteristics, or higher levels with reduced low frequency performance.
$106.28
Transformer - Hammond, Output, replacement for Orange Rocker 30
Hammond output transformer - replacement for Orange Rocker 30 Specifications: Part No. Pri Ohms Sec Ohms Amplifier Type Watts Bobbin/Paper Winding Equivalent To P-T1750ORF 6,000 C.T. 8, 16 Push-Pull 35 W Bobbin OT199SL
$58.50
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 $72.95
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.
$132.86
Transformer - Hammond, Low Voltage / Filament, Open, 28 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 28V center tapped secondary.
Starting at $10.02
Note:
P-T166F28:7
P-T166G28:14
P-T166J28:28
are special order items.
Note: some of these items are special order items.
Choke - 0.17 - 250, Heavy Duty Hash Choke
Molded powdered iron core.
1-1/4 long axial leads.
High inductance & high current.
L measured at 1 Khz. Inductance: 250 µH20% tolerance
DC resistance ohms: .17
Self Resonant Frequency (MHz): 1.5
Maximum DC current amps: 2.5
Coil diameter (in): .43
Core Length (in): 1.25
$1.08
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 - Isolation, 35 VA, 115V, 300 mA, 1 x 115V
35VA chassis mount Power Transformer for isolating equipment from direct connection to the power line. It is constructed with non-concentrically wound coils. The primary and secondary are wound on separate arbors, then assembled on a laminate core side-by-side separated by insulation. This prevents electrical connection under normal or overload conditions between the primary and secondary windings. These units are designed with 1500V isolation between winding to winding and between winding and core. Materials and construction are rated for Class B insulation system.
$21.95
Transformer - Hammond, Toroidal Power, 40V / 80V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 80 V series, 40 V parallel secondary.
$225.18
Transformer - Fender®, Power, Hot Rod Deville
Fender Original Hot Rod DeVille Power Transformer. Equivalent to #041752.
$85.95
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 $78.99
Transformer - Hammond, Microphone 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 $68.16
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