Transformers & Chokes

P-T171X Transformer - Hammond, Isolation / plug & receptacle
  • 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 $87.42
P-T266M5 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
P-T126B 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
P-T166-50 Transformer - Hammond, Low Voltage / Filament, Open, 50 VCT
  • Open style, chassis mount transformers with a 115V 60Hz primary and a 50V center tapped secondary.
Starting at $18.75
P-T166-36 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 $15.03
P-T166-16 Transformer - Hammond, Low Voltage / Filament, Open, 16 VCT
  • Open style, chassis mount transformers with a 115V 60Hz primary and a 16V center tapped secondary.
Starting at $10.02
P-T169C Transformer - Hammond, Isolation, 100VA
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
$60.45
P-T187X 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.
P-T266G36 Transformer - Hammond, Power, Low voltage, 36V/0.5A
Specifications:
  • Size: 18 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 36V @ 0.5 A
  • Secondary VAC RMS Parallel: 18V @ 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
$31.50
P-T266J48 Transformer - Hammond, Power, Low voltage, 48V/1A
Specifications:
  • Size: 48 VA
  • Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
  • Secondary VAC RMS Series: 48V @ 1 A
  • Secondary VAC RMS Parallel: 24V @ 2 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
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 $7.92
Note: special order items require additional lead time. See our page on special order items.
P-T262F12 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.
$32.79
P-T1750ORF Transformer - Hammond, Output, replacement for Orange Rocker 30
Hammond output transformer - replacement for Orange Rocker 30 Specifications: Part No. Pri Ohms Sec Ohms Amplifier Type Watts Bobbin/Paper Winding Equivalent To P-T1750ORF 6,000 C.T. 8, 16 Push-Pull 35 W Bobbin OT199SL
$58.50
P-T290-AMPEG 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 $75.30
P-T144-X Transformer - Hammond, 144 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
P-T146-X Transformer - Hammond, 146 Series, Audio Chassis Mount
Features:
  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 3" 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
P-T1182-22 Transformer- Hammond, Toroidal Power, 22V / 44V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 44 V series, 22 V parallel secondary.
Starting at $45.84
P-T166-14 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
P-T1140-LU-X 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
P-RC-1 Choke - One Electron, Audio, PRC-1, for Shunt Feed SE Output
The PRC-1 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.
$85.00
P-RC-2 Choke - One Electron, Audio, PRC-2, for Shunt Feed SE Output
The PRC-2 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.
$69.95
P-T167X-12D6 Transformer - Hammond, Low Voltage / Filament, Enclosed, 12.6 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 12 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).
Starting at $31.22
P-T167S10 Transformer - Hammond, Low Voltage / Filament, Enclosed, 10 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 10 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).
$50.28
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.
$27.35
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