Transformers & Chokes

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
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, 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
$29.54
Transformer - Hammond, Toroidal Power, 110V / 220V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 220 V series, 110 V parallel secondary.
Starting at $42.75
Transformer - Hammond, Universal Single Ended
  • Designed for general purpose or replacement use (not Hi-Fi), in single ended, tube output circuits.
  • Frequency response: 100 Hz. - 15 Khz (± 1db max. - ref. 1 Khz). (For full frequency response (20 Hz. to 20 Khz.) - see P-T1627SE).
  • For push-pull output use, see P-T125A - optimized for push-pull tube output circuits.
  • Open style with minimum 12" long primary & secondary leads leads.
  • All sizes use butt stacked cores (using 29M6 steel) with an air gap, to reduce D.C. core saturation.
  • Primary impedance range from 2,500 to 10,000 Ohms.
  • Secondary impedance range from 4 to 32 Ohms.



Part No.
Audio Power
Max D.C. Bias
Dimensions (Inches)


A
B
C
D
E
G Mtg.
Starting at $45.84
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 $111.62
Transformer - Hammond, Line Output 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. Open Style
Starting at $34.38
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.
$56.25
Transformer - Hammond, Low Voltage / Filament, Open, 14 VCT
Open style, chassis mount transformers with a 115V 60Hz or 50/60Hz primary and a 14V center tapped secondary.
Starting at $8.34
Note:
P-T166E14:2.1
P-T166F14:3.5
P-T166G14:7
P-T166J14:14
are special order items.
Note: some of these items are special order items.
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, 143 Series, Audio Chassis Mount
Features:
  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 4" long minimum
  • Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.)
  • When operating at impedances below nominal, power capability and the frequency spectrum are proportionately lower, conversely, at higher impedances power capability and frequency spectrum will be proportionately higher.

Part No. Applicaton Nominal Impedance (Ohms) Primary D.C. D.C.
$27.95
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, 240V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 240V secondary.
Starting at $45.84
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
Choke - Hammond, replacement for Marshall amps
Features:
  • Designed for drop in replacement of original units.
  • Physically, parts were designed to look similar to original factory units (where possible).
  • Inductances measured at rated D.C. current.
  • Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
  • Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.
Starting at $22.14
Transformer - Hammond, Low Voltage, Single Primary, 120VCT
  • Single Primary 115VAC
  • Operates on 50/60 Hz.
  • Combination solder or quick connect terminals.
  • Split bobbin construction eliminates the need for an electrostatic shield.
  • Hi-pot tested to 2 KV RMS.
  • Economical open style, channel frame - chassis mount design
  • UL recognized & CSA certified.
Starting at $8.46
Note: P-T187C120: 0.1 A is a special order item.
Transformer - Hammond, Low Voltage / Filament, Open, 11 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and an 11V center tapped secondary.
Starting at $31.88
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)
$34.31
Transformer - Hammond, 145 Series, Audio Chassis Mount
Features:
  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 4" long minimum
  • Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.)
  • When operating at impedances below nominal, power capability and the frequency spectrum are proportionately lower, conversely, at higher impedances power capability and frequency spectrum will be proportionately higher.
$18.14
Note:
P-T145D:200kΩ / 1kΩ
P-T145A:100Ω / 200Ω
P-T145O:15kΩ / 200Ω
P-T145P:20kΩ / 1kΩ
P-T145R:20kΩ / 2kΩ
P-T145G:2kΩ / 200Ω
P-T145H:2kΩ / 500Ω
P-T145L:4kΩ / 2.6kΩ
P-T145C:50kΩ / 1.5kΩ
P-T145F:600Ω / 200Ω
P-T145E:600Ω / 600Ω ct
are special order items.
Note: some of these items are special order items.
Transformer - Hammond, Tube Driver Interstage
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.
$83.64
Transformer - Hammond, Low Voltage / Filament, Open, 48 VCT
Open style, chassis mount transformers with a 117V 50/60Hz primary and a 48V center tapped secondary.
$46.88
Transformer - Hammond, Output, Single-Ended, 30 W
  • 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.
$159.23
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 $7.92
Note: special order items require additional lead time. See our page on special order items.
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.
$25.05
Transformer - Hammond, Low Voltage / Filament, Open, 8.5 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and an 8V or 8.5V secondary.
Starting at $18.75
Note:
P-T166G8:4
P-T166J8:8.5
P-T166L8:17
are special order items.
Note: some of these items are special order items.