Transformers & Chokes

Transformer - Hammond, Plate & Filament or Bias, 12.6V auxiliary
  • Primary 115 VAC, 60 Hz.
  • Designed for small power or bias supplies, test equipment, preamps etc.
  • Economical , two hole, channel bracket, chassis mount.
  • Minimum 5" long leads.
  • Convenient 12.6 filament/auxiliary winding.
$46.08
P-T290-YORKVILLE Transformer - Hammond, Guitar Amplifier, replacement for Yorkville / Traynor
  • Replacement for Yorkville/Traynor 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 Secondary 1 Secondary 2 Secondary 3 Yorkville / Traynor Amp Yorkville / Traynor Part No VAC Hz. P-T290TRA 120 V 60 Hz. 320 V @ 600 mA 60 V @ 50 mA 6.3 V.C.T. @ 9 A 100 Watt Bass A-1380 P-T290TRB 120 V 60 Hz. 620 V @ 115 mA 6.3 V.C.T. @ 115 mA YBA2-B A-1314 P-T291JX 120 V 60 Hz. 320 V @ 500 mA 60 V @ 20 mA 6.65 V.C.T.
Starting at $107.52
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 $129.42
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-T1140-LN-X Transformer - Hammond, Line 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 $83.63
P-T1140-MS-X Transformer - Hammond, Microphone Splitter 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 $75.35
P-T1182-12 Transformer - Hammond, Toroidal Power, 12V / 24V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 24 V series, 12 V parallel secondary.
Starting at $63.65
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 $61.85
P-T1182-18 Transformer - Hammond, Toroidal Power, 18V / 36V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 36 V series, 18 V parallel secondary.
Starting at $57.68
P-T1182-30 Transformer - Hammond, Toroidal Power, 30V / 60V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 60 V series, 30 V parallel secondary.
Starting at $70.53
P-T1182-60 Transformer - Hammond, Toroidal Power, 60V / 120V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 120 V series, 60 V parallel secondary.
Starting at $108.48
P-T1182L90 Transformer - Hammond, Toroidal Power, 90V / 180V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 180 V series, 90 V parallel secondary.dary.
$97.65
P-T1182V40P Transformer - Hammond, Toroidal Power, 40V / 80V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 80 V series, 40 V parallel secondary.
$303.80
P-T125J Transformer - Hammond, Output, 8 W, 2.5k or 4k Primary
Specifications Audio Watts: 8 Primary Impendance (Ohms): 2.5k/4K center-tapped Secondary Impendance (Ohms): 6/8 - 3.2/4 Mounting centers: 2-13/16u-bracket Weight: 1.0 lb.
$52.00
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.
$117.55
P-T140-X Transformer - Hammond, Studio Grade Impedance Matching, 140 Series
Studio grade frequency response: 20 Hz. - 20 Khz. (+/- 1 db, ref. @ 1 Khz.) minimum. Excellent frequency response utilizing a 80% nickel core providing high permeability combined with low losses. Designed for maximum bandwidth, lowest distortion at +10 dbm power level or less. Plated steel cans, adjustable height case bracket.
Starting at $82.70
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
P-T144-X Transformer - Hammond, 144 Series, Audio Chassis Mount
Special Order Item
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: special order items require additional lead time. See our page on special order items.
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-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.
Transformer - Hammond, Filament High Current, 115V, 60V/5A, 300VA
Low Voltage, Filament High Current, Chassis Mount. 115 V primary.
$107.32
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-T166-12-NOTAP Transformer - Hammond, Low Voltage / Filament, Open, 12 V no tap
Special Order Item
Open style, chassis mount transformers with a 117V 50/60Hz primary and a 12V secondary.
Starting at $15.82
Note: special order items require additional lead time. See our page on special order items.
P-T166-20 Transformer - Hammond, Low Voltage / Filament, Open, 20 VCT
Special Order Item
Open style, chassis mount transformers with a 115V 60Hz primary and a 20V center tapped secondary.
Starting at $12.90
Note: special order items require additional lead time. See our page on special order items.
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