Transformers & Chokes

Transformer - Hammond, Toroidal Power, 240V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 240V secondary.
Starting at $61.85
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.
Transformer - Hammond, Low Voltage / Filament, Open, 24 VCT
Open style, chassis mount transformers with a 115V 60Hz or 117 50/60Hz primary and a 24V center tapped secondary.
Starting at $11.62
Note:
P-T166C24:2.04
P-T166EA24:4.8
P-T166FB24:9.6
P-T166GD24B:16.8
P-T166JB24:24
P-T166L24:48
are special order items.
Note: some of these items are special order items.
Transformer - Hammond, Low Voltage / Filament, Open, 30 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 30 C.T.
  • Center tapped secondary.
  • Open style, channel bracket, two hole chassis mount.
  • Minimum 6" long leads.
  • Dual bobbin design - no electrostatic shield required.
  • Class B insulation (130 degrees, C).
  • Hi-Pot test of 2,000 V RMS.
  • UL listed (# E50394) & CSA certified (# LR3902).
Starting at $26.35
Note: P-T166E30: 4.5 is a special order item.
Transformer - Hammond, Low Voltage / Filament, Open, 36 VCT
  • Open style, chassis mount transformers with a 115V 60Hz or 117V 50/60Hz primary and a 36V center tapped secondary.
Starting at $21.12
Note:
P-T166E36:5.4
P-T166F36A:10.8 - 117V primary
are special order items.
Note: some of these items are special order items.
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.
Transformer - Hammond, Isolation, 115V
  • Primary 115VAC, 60 Hz.
  • Secondary 115VAC
  • Electrostatic shield between primary & secondary
  • Connection by flexible leads, 8" minimum length
  • Perfect for circuit isolation or "Classic" bias power supply
  • CSA certified (209651)
  • Remember - These units do NOT convert line frequency
Starting at $76.73
Transformer - Hammond, Power, Low voltage, 16V/3A
Specifications:
  • Size: 48 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 16V @ 3 A
  • Secondary VAC RMS Parallel: 8V @ 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 pr
$44.30
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 $105.82
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
Choke - Hammond, Replacement for Vox AC30 reissue
Replacement for Vox AC30 reissue


Inductance ± 15%
5 H


D.C. Current
150 mA


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.
$52.00
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
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
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
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
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 $141.05
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
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
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
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
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
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
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.