Transformers & Chokes

Hammond

Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
P-T125H Transformer - Hammond, Output, 8 W, 10k Primary
Specifications Audio Watts: 8 watts Primary Impendance (Ohms): 10K center-tapped Secondary Impendance (Ohms): 2/4/8 Mounting centers: 2-3/8u-bracket Weight: 1.0 lbs. Cat. No. Dimensions (Inches) A B C D G Mtg. Hole 125H 2.81 1.4 1.7 2.36 0.187
$38.53
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.
$29.57
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 $20.67
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-T169XS 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 $60.19
P-T1750X-VOX Transformer - Hammond, Output, replacement for Vox
  • Replacements for Vox 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 $97.77
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
$32.56
P-T1140-DB-A Transformer - Hammond, Direct Box Transformer
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
$75.50
P-T1140-MN-X Transformer - Hammond, Microphone 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 $72.13
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 $45.24
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 $64.86
P-C194D 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.
$42.82
P-T1182-240 Transformer - Hammond, Toroidal Power, 240V secondary
Dual 117/234 VAC primary, 50/60 Hz. operation. 240V secondary.
Starting at $48.51
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.
$40.78
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.
$19.19
Note: special order items require additional lead time. See our page on special order items.
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 $9.19
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.
P-T166-16 Transformer - Hammond, Low Voltage / Filament, Open, 16 VCT
Special Order Item
  • Open style, chassis mount transformers with a 115V 60Hz primary and a 16V center tapped secondary.
Starting at $11.05
Note: special order items require additional lead time. See our page on special order items.
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 $20.67
Note:
P-T166F50:15
P-T166G50:25
are special order items.
Note: some of these items are special order items.
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 $34.41
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 $101.18
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 $8.95
Note: P-T187C120: 0.1 A is a special order item.
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 $84.33
P-T300-Z 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 $101.51
P-T710-X Transformer - Hammond, High Voltage Plate, 115 VAC, 50 / 60 Hz
  • Primary 115 VAC, 50 / 60 Hz.
  • At 2,000 VAC and above, secondary leads are through rubber bushings
  • Units can be run full wave bridge or full wave C.T.
  • V.A. is a C.C.S. rating
  • Current ratings are CCS (Continuous Commercial Service) & ICAS ratings (Intermittent Commercial or Amateur Service).
  • Enclosed, 4 hole chassis mount.
  • Minimum 6" long leads.
  • Class A insulation (105 degrees C).
  • Hi-Pot test at a minimum of twice secondary voltage
  • Conservative designs - CSA certified (209651).
Starting at $87.06
P-T800-X Transformer - Hammond, Audio Broadcast Quality, 800A Series
Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with hardware. Includes wire leads (minimum length of 4"). Frequency response +/- 0.5 db max. from 50 Hz. to 15 Khz. Insertion loss of apx. 1 db. Maximum power level +15 dbm. (except 841A, 842A & 844A which are +20 dbm) with specified characteristics, or higher levels with reduced low frequency performance.
$116.95
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