Transformers & Chokes

• Designed for general purpose or replacement use in push-pull or phase inverter tube driver circuits.
• Should not be used for single ended applications. They have no gap for DC bias current present in SE mode.
• Open style with minimum 5" long primary leads.
• Minimum frequency response 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz.) at full rated power.
• Core material is Grain Oriented Silicon Steel.

• Over designed for single ended tube output circuits (triode, tetrode or pentode tubes).
• Enclosed (shielded), 4 slot, above chassis Type 'X' mounting.
• Frequency response at least 20 Hz. to 20 Khz. at full rated power (± 1 db max. ref.

Replacement for Vox AC30 vintage


Inductance ± 15%
30 H


D.C. Current
100 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.

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

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.

• Open style, chassis mount transformers with a 115V 60Hz primary and a 10V center tapped secondary

• Horizontal mount. For Vertical Mount, see P-T263-X
• Primary 117 VAC, 50/60 Hz. - except as noted
• Enclosed, 4 hole, chassis mount.
• Minimum 6" long leads.
• Units can be run full wave bridge or full wave C.T.
• Class A insulation (105 degrees C).
• Hi-Pot test of 2,000V RMS.
• Conservative designs - CSA certified (209651).
• For Vertical Mount, see P-T263-X

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.

Dual 117/234 VAC primary, 50/60 Hz. operation. 30 V series, 15 V parallel secondary.

• Open style, chassis mount transformers with a 115V 60Hz or 117V 50/60Hz primary and a 36V center tapped secondary.

The Lehle Transformer HZ is the ideal component to avoid hum loops or to balance and unbalance signals without degrading the sound of high impedance signal sources.

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

• 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".

The PRC-3 audio choke from One Electron was designed as a plate load for the output of either a high quality line amplifier or a phono preamp.

• Open style, chassis mount transformers with a 115V 60Hz or 50/60Hz primary and an 18V center tapped secondary.

• 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).

• 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

• Replacements for Yorkville/Traynor 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".

Replacement for Bassman heads. Equivalent to #125A13A & #022871.

Dual 117/234 VAC primary, 50/60 Hz. operation. 12 V series, 6 V parallel secondary.mary, 50/60 Hz. operation.

Custom manufactured to replace most 6 and 7 tube sets of the early 1930s. Supplied with vertical mounting shells. Provides a seperate filament winding for audio output stages. Specifications Rating: 350-0-350 V, 70 or 90 mA (if 5 V winding is used with 2 A rectifier) Windings: 5 V, 3 A; 2.5 V, 7.5 A; 2.5 VCT, 3.5 A Mounting Centers:2 x 2.625" Weight: 4.2 lbs. Overall Height: 3.12"

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.

Open style, chassis mount transformers with a 115V 60Hz primary and a 100V center tapped secondary.

Open style, chassis mount transformers with a 115V 60Hz or 117 50/60Hz primary and a 24V center tapped secondary.