Transformers & Chokes

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
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 $69.95
Partially Out of Stock
Note: P-T274AX: 720 V C.T. @ 138 mA is a special order item.
P-T143-X 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.
$37.72
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.
$186.40
P-T125XSE 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 $61.35
P-C194X 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 $29.07
P-T270CBX Transformer - Hammond, Power, 250-0-250 V, 100 mA
Primary 115 VAC 60 Hz.
Secondary DC current measured with cap. input filter, full wave (two diode) C.T., rectifier circuit.
Enclosed, 4 hole chassis mount.
Minimum 6 long leads.
2" X 2" vertical mounting centers.
Class A insulation (105 degrees C).
Hi-Pot test of 2000 V RMS.
Conservative designs - CSA certified (# LR3902).
3.2lbs
Secondary: 250-0-250 V100 mA
Filament winding 1: 5 V2 A
Filament winding 2: 6.3 V3 A
$92.63
P-T1182-240 Transformer - Hammond, Toroidal Power, 240V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 240V secondary.
Starting at $61.85
P-T166-11 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 $44.80
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 $110.80
P-T145-X 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.
$24.48
Note:
P-T145A:100Ω / 200Ω
P-T145D:200kΩ / 1kΩ
P-T145F:600Ω / 200Ω
P-T145E:600Ω / 600Ω ct
P-T145G:2kΩ / 200Ω
P-T145H:2kΩ / 500Ω
P-T145L:4kΩ / 2.6kΩ
P-T145O:15kΩ / 200Ω
P-T145P:20kΩ / 1kΩ
P-T145R:20kΩ / 2kΩ
P-T145C:50kΩ / 1.5kΩ
are special order items.
Note: some of these items are special order items.
P-T187X Transformer - Hammond, Low Voltage, Single Primary, 120VCT
Special Order Item
  • 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 $11.42
Note: special order items require additional lead time. See our page on special order items.
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 $119.80
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 $10.70
Note: special order items require additional lead time. See our page on special order items.
P-T109L Transformer - Hammond, 2W Audio Miniature Epoxy Potted
Features:
  • Perfect for audio input, line matching, isolation or output transformer applications.
  • 2 watt (± 1.5 dB, 300 Hz. - 50 kHz.).
  • Epoxy potted in an attractive black molded case, Pin type P.C. board mount (min. 0.187" length).
  • Power level ratings are maximum at lowest frequency rating
  • Power can be increased slightly at higher frequencies.
  • Will withstand soldering for 10 sec. @ 260 degrees C, ambient temp. 85 degrees C max.
$38.00
P-T166M48 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.
$72.52
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.
$37.18
P-T166-8 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 $28.33
Note:
P-T166G8:4
P-T166J8:8.5
P-T166L8:17
are special order items.
Note: some of these items are special order items.
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)
$50.95
P-T1182-6 Transformer - Hammond, Toroidal Power, 6V / 12V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 12 V series, 6 V parallel secondary.mary, 50/60 Hz. operation.
Starting at $57.68
P-T162XSEA 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.
$223.75
Partially Out of Stock
Transformer - Hammond, Low Voltage / Filament, Enclosed, 60 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 60 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).
$76.40
P-T162F120 Transformer - Hammond, Power, Low Voltage PC Mount Dual Primary
Special Order Item
  • 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.
  • Universal dual primary 115/230V
  • High insulation - Hipot of 2,500V RMS.
  • Class B insulation - 130 degrees C.
$13.07
Note: special order items require additional lead time. See our page on special order items.
P-T166G80 Transformer - Hammond, Low Voltage / Filament, Open, 80 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and an 80V center tapped secondary.
$39.53
Transformer - Hammond, Power, Low voltage, 14V/0.5A
Specifications:
  • Size: 7 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 14V @ 0.5 A
  • Secondary VAC RMS Parallel: 7V @ 1 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
$33.22
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