Transformers & Chokes

Specifications:

• Size: 37.8 VA
• Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
• Secondary VAC RMS Series: 6.3V @ 6 A
• Secondary VAC RMS Parallel: 3.15V @ 12 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 e

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

• 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).

Dual 117/234 VAC primary, 50/60 Hz. operation. 80 V series, 40 V parallel secondary.

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

• 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".

• 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

• 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).

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.

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.

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

• 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

Dual 117/234 VAC primary, 50/60 Hz. operation. 180 V series, 90 V parallel secondary.dary.

Open style, chassis mount transformers with a 115V 60Hz primary and a 20V center tapped secondary.

• Primary 115 VAC, 60 Hz.
• Designed for small power or bias supplies, test equipment, preamps etc.
• Models P-T261C6, P-T261E6, and P-T261G6 can also be used with full wave C.T. rectifiers.
• Economical , two hole, channel bracket, chassis mount.
• Minimum 5" long leads.
• Convenient 6.3 filament/auxiliary winding.

• Designed for drop in replacement of original units. Upgraded units with variable voltage.
• 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".
• See P-T290-FENDER-120 for 120 V basic transformers, P-T290-FENDER-240 for 240 V transformers

Warning: Not all amplifier models of the same name use the same transformer model.

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

• Designed for general purpose or replacement use in push-pull tube output circuits. (For single ended use, see our 125 SE series - optimized for single ended tube output circuits).
• Frequency response: 150 Hz. - 15 Khz (± 1db max. ref. 1 Khz).
• Open style with minimum 5" long primary leads, secondary solder lugs for convenient secondary connections.
• Tables provided with transformer listing 90 pre-calculated impedance ratios.

• 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).

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

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

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

Open style, chassis mount transformers with a 115V 60Hz primary and a 12V center tapped secondary.

• 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".
• See P-T290-FENDER-120-UP for upgraded 120 V transformers, P-T290-FENDER-240 for 240 V transformers

Warning: Not all amplifier models of the same name use the same transformer model.