Transformers & Chokes

Marshall

Marshall guitar amplifiers are among the most recognized in the world. They are known for their Marshall "crunch".

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
P-T298DT Transformer - Hammond, Line Step Up Isolation, Toroidal, 500 VA
Special Order Item
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.
$291.53
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Originally: $327.56
Note: special order items require additional lead time. See our page on special order items.
P-T176D Transformer - Hammond, Step-Up, 500VA
Special Order Item
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.
$143.32
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Originally: $161.03
Note: special order items require additional lead time. See our page on special order items.
P-T162XSEA Transformer - Hammond, Output, Single-Ended, 30 W
Special Order Item
  • 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 $134.96
Save 11%
Originally: $151.64
Note: special order items require additional lead time. See our page on special order items.
P-T850LA Transformer - Hammond, Audio Broadcast Quality
Special Order Item
Output to Line, Matching or Bridging
  • Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware.
  • Sealed case and wax potted core internally for stable characteristics and long life.
  • Wide frequency response ± 0.5 db max. from 20 Hz. to 20 Khz. (except units over 5K ohms impedance, may be down 1 db @ 20 Khz.)
  • Insertion loss of apx. 1 db.
  • Maximum power level +15 dbm. with specified characteristics, or higher levels with reduced low frequency performance.
  • Distortion is apx. 1.5% @ 20 Hz.
$130.14
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Originally: $146.22
Note: special order items require additional lead time. See our page on special order items.
P-T850HA Audio Transformer - Hammond, 150/600Ω, Line Isolation
Special Order Item
  • 150/600 Ohm Primary Impedance
  • 300/1200 Ohm Secondary Impedance
  • Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware.
  • Sealed case and wax potted core internally for stable characteristics and long life.
  • Wide frequency response ± 0.5 db max. from 20 Hz. to 20 Khz. (except units over 5K ohms impedance, may be down 1 db @ 20 Khz.)
  • Insertion loss of apx. 1 db.
  • Maximum power level +15 dbm. with specified characteristics, or higher levels with reduced low frequency performance.
  • Distortion is apx. 1.5% @ 20 Hz. under full power.
  • Electrostatic shield between pri. & sec. connected to the green lead.
  • Humbucking construction
  • Balanced split windings on pri. & sec. for circuit versatility. Primary may be used as a secondary and vice versa for impedance matching.
  • Lead length: Min. 4"
$130.14
Save 11%
Originally: $146.22
Note: special order items require additional lead time. See our page on special order items.
P-TM9100O Transformer - Marshall, Output, 100 W, for JCM900
Genuine Marshall™ 100 watt output transformer for JCM900 and JCM2000.
$124.56
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Originally: $139.95
P-TM45O Transformer - Marshall, Output, for JTM45
Genuine Marshall™ output transformer for JTM45.
$120.15
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Originally: $135.00
P-T373AZ Transformer - Hammond, Power, 325-0-325 V, 46 mA, Univ. Primary
Special Order Item
  • 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.
$109.27
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Originally: $122.78
Note: special order items require additional lead time. See our page on special order items.
P-TM950O Transformer - Marshall, Output, 50 W, for JCM 900
Genuine Marshall™ output transformer for JCM900 and JCM2000.
$104.84
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Originally: $117.80
P-TM950P Transformer - Marshall, Power, 50 W, for JCM 900
Genuine Marshall™ 50 watt power transformer for JCM900.
$102.35
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Originally: $115.00
P-T1650XA Transformer - Hammond, Tube Output, Easy Wire Secondary
  • 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 $100.20
Save 11%
Originally: $112.58
Partially Out of Stock
Note:
P-T1608A: 10 W / 8 kΩ
P-T1650NA: 60 W / 4.3 kΩ
P-T1650PA: 60 W / 6.6 kΩ
P-T1650RA: 100 W / 5 kΩ
P-T1650TA: 120 W / 1.9 kΩ
are special order items.
Note: some of these items are special order items.
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"
$94.30
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Originally: $105.95
P-T126B Transformer - Hammond, Tube Driver Interstage
Special Order Item
Audio watts: 4
Impedance: 5k ohms
D.C. Resistance: 178 ohms
Inductance: 44 henries
Rated D.C. Bias Current: 30 mA
Features:
  • Designed for driver use ONLY in single ended tube output amplifiers. These units replace coupling capacitor circuits for improved sound.
  • Closed style with minimum 8" long leads.
  • All models use bifilar wound windings for exceptional coupling and bandwidth.
  • Minimum frequency response 20 Hz. - 20 Khz (± 1db max. ref. 1 Khz.).
  • The core is gapped to support the specified D.C.
$90.23
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Originally: $101.38
Note: special order items require additional lead time. See our page on special order items.
P-TM-P100 Transformer - Marshall Replacement, Power, 100 W
100 watt replacement power transformer for Marshall. Good replacement for JMP and JCM800s for EL34! Built to vintage specs with exact interleave ratios and materials. Gives great classic sound. Great for upgrading later issue Marshall amps.
$88.96
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Originally: $99.95
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 $85.88
Save 11%
Originally: $96.50
P-T710-X Transformer - Hammond, High Voltage Plate, 115 VAC, 50 / 60 Hz
Special Order Item
  • 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 $85.22
Save 11%
Originally: $95.75
Note: special order items require additional lead time. See our page on 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 $84.94
Save 11%
Originally: $95.44
P-T165P60 Transformer - Hammond, Filament High Current, 115V, 60V/5A, 300VA
Special Order Item
Low Voltage, Filament High Current, Chassis Mount. 115 V primary.
$82.38
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Originally: $92.56
Note: special order items require additional lead time. See our page on special order items.
P-TM-P50 Transformer - Marshall Replacement, Power, 50 W
A good upgrade for later issue Marshall amplifiers. Good replacement for JMP and JCM 800s for EL34!
$77.39
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Originally: $86.95
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 $77.23
Save 11%
Originally: $86.77
P-T1650X 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 $75.87
Save 11%
Originally: $85.25
Note: P-T1650W: 280 W / 1.9 kΩ is a special order item.
P-T171X Transformer - Hammond, line isolation / plug & receptacle
Special Order Item
  • 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 $74.10
Save 11%
Originally: $83.26
Note: special order items require additional lead time. See our page on special order items.
P-T260X Transformer - Hammond, Plate & Filament
Special Order Item
  • 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 $68.32
Save 11%
Originally: $76.76
Note: special order items require additional lead time. See our page on special order items.
P-T169C Transformer - Hammond, Isolation, 100VA
Special Order Item
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
$65.21
Save 11%
Originally: $73.27
Note: special order items require additional lead time. See our page on special order items.
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