Transformers & Chokes

Open style, chassis mount transformers with a 117V 50/60Hz primary and a 72V center tapped secondary.

Open style, chassis mount transformers with a 115V 60Hz primary and a 9V center tapped secondary.

• 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).

• 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).

• 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).

• 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).

Capacity: 500VA Features:

• Single winding does not provide isolation, for use where equipment is already isolated and only voltage change is required.
• World wide applications, 50 or 60 Hz.

Specifications

• VA: 30
• VAC Secondary (RMS) Series: 12V C.T. @ 2.5A
• VAC Secondary (RMS) Parallel: 6V @ 5A

Features:

• Dual Secondary
• Open Toroid Center
• Low profile, lightweight, cool running - due to high efficiency toroidal design
• Dual 117/234 VAC primary, 50/60 Hz.

• Dual primary 115/230 VAC
• 50/60 Hz. operation
• Dual secondaries for series or parallel connections
• 4,000 V RMS Hipot test
• Class F insulation (155 degrees, C)
• Chassis mount
• Dual bobbin construction
• Dual use terminals
• C UL US recognized (E207860)
• TUV Type Approved
• CE certified to IEC 950 (Approved to EN 60-742 Safety Isolating Transformers)

• 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.

Size: 48 VA
Secondary Series: 40V C.T. @ 1.2A
Secondary Parallel: 20V @ 2.4 A
Features:

• Low profile mounting, dual - split bobbin design.
• Low primary to secondary coupling, balanced windings, no electrostatic shield required and low EMF radiation due to semi-toroidal design.
• Universal dual primary 115/230V - 50/60 Hz.
• High insulation - Hipot of 1,750V RMS.
• Class B insulation - 130 degrees C.
• C UL US recognized.

Specifications:

• Size: 7 VA
• Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
• Secondary VAC RMS Series: 14V @ 0.5 A
• Secondary VAC RMS Parallel: 7V @ 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 p

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

Specifications:

• Size: 14 VA
• Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
• Secondary VAC RMS Series: 14V @ 1 A
• Secondary VAC RMS Parallel: 7V @ 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 pr

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

Specifications:

• Size: 48 VA
• Dual Primary: 117 VAC, 234VAC, 50/60 Hz.
• Secondary VAC RMS Series: 16V @ 3 A
• Secondary VAC RMS Parallel: 8V @ 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 pr

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

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

• 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

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.

• 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).

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.

Fender® Original Tone Master Power Transformer. Equivalent to #026477.

Made precisely to the original Fender® specifications. Drop-in replacement for '65 Twin Reverb Reissue. Made in the USA. 120V Primary.