Transformers & Chokes

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 $111.00
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
Transformer - Hammond, High Voltage Universal Plate & Filament, Vertical 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. (except part number P-T379WX - uses a separate 60VAC 0.2 Amp winding).
  • Highpot tested: 2,000 VAC
  • Faraday Copper Primary Shield: Our electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries (shield is internally grounded to the end bell).
  • Windings: Concentric wound for low stray field and low noise.
  • Models: This series is an upgrade from our P-T263-X range of units PLUS 2 models designed specifically for 300B tubes (Part Number P-T300BX) and 2A3 tubes (Part Number P-T302AX).
  • Finish: Black powder paint to match our P-T1650X series of output transformers Units can be run full wave bridge or full wave C.T.
  • Conservative designs - CSA certified (209651).
Starting at $90.06
Save 9%
Originally: $98.67
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 $122.85
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
$84.95
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, Line European grounded adaptor plug
Special Order Item
European plug type Used in: Austria; Belgium; Finland; France; Germany; Middle East; Netherlands; Norway; Parts of Africa, Asia ,South America, China, Tahiti and Caribbean; Sweden Features:
  • For use with Hammond transformers
  • Heavy duty design with plastic shell & double wipe contacts.
  • Indoor use only.
  • Allows for ground connection between equipment and international power sources.
  • Adaptors do not affect voltages, they are a mechanical device only to match foreign "pin-outs" of receptacles and/or plugs.
$13.23
Note: special order items require additional lead time. See our page on special order items.
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
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 $44.17
Transformer - Hammond, Line Step Up Isolation, Toroidal, 500 VA
Capacity: 500 VA
Dimensions: 9" long by 6" wide by 4" height
Features:
  • Primary 120VAC, 50/60 Hz., Secondary 240VAC.
  • Provides circuit isolation.
  • Toroidal transformer for high isolation, low noise, light weight cool operation and low profile.
  • 50 or 60 Hz.
$379.17
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).
$70.67
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 $43.87
Transformer - Hammond, Low Voltage / Filament, Enclosed, 120 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 120 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).
$61.15
Transformer - Hammond, Low Voltage / Filament, Enclosed, 25 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 25 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 $43.08
Transformer - Hammond, Low Voltage / Filament, Enclosed, 36 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 36 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).
$49.08
Transformer - Hammond, Low Voltage / Filament, Enclosed, 5 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 5 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 $42.78
Transformer - Hammond, Low Voltage / Filament, Enclosed, 50 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 50 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).
$67.95
Transformer - Hammond, Low Voltage / Filament, Enclosed, 6.3 VCT
  • Primary 115 VAC, 60 Hz.
  • Secondary 6.3 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 $44.23
Note: P-T167U6: 16 A is a special order item.
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
Transformer - Hammond, Low Voltage / Filament, Open, 10 VCT
  • Open style, chassis mount transformers with a 115V 60Hz primary and a 10V center tapped secondary
Starting at $16.78
Note: P-T166F10: 3 is a special order item.
Transformer - Hammond, Low Voltage / Filament, Open, 100 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 100V center tapped secondary.
$44.80
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
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.
Transformer - Hammond, Low Voltage / Filament, Open, 12 VCT
Open style, chassis mount transformers with a 115V 60Hz primary and a 12V center tapped secondary.
Starting at $11.62
Note:
P-T166E12:1.8
P-T166F12B:3.6
P-T166JA12:12
P-T166K12:14.4
P-T166LA12:24
P-T166JB12:14.4 - 117V primary
are special order items.
Note: some of these items are special order items.