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12V 1000mA AC-AC Linear Power Adapter 2.1 x 5.5mm plug

AC-AC Linear Power Supply

Professional-grade AC-AC Linear Power Supplies designed for applications requiring clean, traditional transformer-based power. Our AC-AC adapters feature a robust internal transformer design, ideal for sensitive electronics, audio equipment, and vintage repairs.

  • Input: 120 VAC @ 60 Hz (Standard US Plug)

  • Safety: UL/cUL or ETL Approved & RoHS Compliant

  • Design: Durable wall-mount or desktop transformer housing.  Also available center tap (raw) transformer.

Important Technical Note: These are non-regulated linear power supplies. On an open circuit (no load), the output voltage will typically measure 1.0V to 1.5V higher than the rated voltage. The voltage will drop to the stated level once the appropriate load is applied.

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PHC Enterprise 12V AC to AC power supply with 5000mA output and 2.1 x 5.5mm connector for electronics and DIY projects.
6V AC-AC power adapter by PHC Enterprise with 1.67A output, 2.1mm x 5.5mm connector, shown in the image.
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6V AC-AC Power Adapter, 1670mA Wall Transformer, 2.1mm x 5.5mm Plug, AC6V Linear Power Supply

PHC Enterprise, Inc.
5+ in stock

High-Quality 6V AC-AC Linear Power Adapter This AC-0616A linear power supply provides clean, reliable 6V AC power. It is a popular replacement for ...

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PHC Enterprise AC-DC linear power supply, 6V DC output, 500mA, with 2.1x5.5mm right-angle connector and negative center polarity
9V AC-AC power adapter with 1110mA output and 2.1mm x 5.5mm right angle plug, for electronic devices from PHC Enterprise, Inc.
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9V AC-AC Power Adapter, 1110mA (1.1A), 2.1mm x 5.5mm Right Angle Plug | AC-091A

PHC Enterprise, Inc.
5+ in stock

9V AC-AC Linear Power Adapter with Right Angle Plug The AC-091A is a high-quality linear AC-to-AC power supply providing 9V AC at 1110mA. This mod...

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PHC Enterprise DC barrel plug adapter with right angle 2.5x5.5mm tip converting from 2.1x5.5mm connector.
9V AC-AC power adapter with 2.5mm x 5.5mm right angle plug, 1110mA output, by PHC Enterprise Inc.
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9V AC-AC Power Adapter 1110mA (1.11A) | 2.5mm x 5.5mm Right Angle Plug | AC-091B

PHC Enterprise, Inc.
5+ in stock

9V AC-AC Linear Power Adapter | 2.5mm Right Angle Plug The AC-091B is a professional-grade linear AC-to-AC power supply providing 9V AC at 1110mA...

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PHC Enterprise 12V AC to AC power supply with 5000mA output and 2.1 x 5.5mm connector for electronics and DIY projects.
PHC Enterprise 9V AC power supply with 3.33A output, featuring 2.1 x 5.5mm connector and compact design for electronic devices.
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AC-AC Power Supply 9V AC @ 3330mA; 2.1 x 5.5mm

PHC Enterprise, Inc.
5+ in stock

Part #: AC-93A Input: 120VAC Output: 9VAC @ 3330mA Plug: 2.1 x 5.5mm Wall-mount Replaces part # AC-915A 

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PHC Enterprise 12V AC to AC power supply with 5000mA output and 2.1 x 5.5mm connector for electronics and DIY projects.
12V AC-AC power adapter by PHC Enterprise, Inc., 1000mA wall transformer with 2.1mm x 5.5mm plug for electronic devices.
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12V AC-AC Power Adapter, 1000mA (1A) Wall Transformer, 2.1mm x 5.5mm Plug, AC12V Linear Power Supply

PHC Enterprise, Inc.
5+ in stock

Model: AC-121A Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 12V AC @ 1000mA (1 Amp) Connector: 2.1mm (ID) x 5.5mm (OD) Female Barrel...

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PHC Enterprise 24V AC power supply with 2.5x5.5mm connector, providing 2500mA for electronic devices and applications.
PHC Enterprise 12V AC power supply with 2.5 x 5.5mm connector, 1000mA output, suitable for electronic devices.
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AC-AC Power Supply 12V AC @ 1000mA; 2.5 x 5.5mm

PHC Enterprise, Inc.
5+ in stock

Part #: AC-121B Input: 120VAC Output: 12VAC @ 1000mA Plug: 2.5 x 5.5mm Wall-mount Replaces older part # AC-1285B

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PHC Enterprise 12V AC power supply with 3 screw terminals, 1670mA output, and compact design for electronic projects.
PHC Enterprise 12V AC power supply with 3 screw terminals, 1670mA output, compact AC-AC power adapter for electronic projects.
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AC-AC Power Supply 12V AC @ 1670mA; 3 x Screw Terminals

PHC Enterprise, Inc.
5+ in stock

Part #: AC-121S3 Input: 120VAC Output: 12VAC @ 1670mA Output connector: Screw Terminals x 3 Applications include powering alarm systems, gates, t...

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AC-DC Linear Power Supply 9V DC at 1000mA with 2.1 x 5.5mm negative center plug, by PHC Enterprise, Inc.
AC-AC power supply by PHC Enterprise, Inc. 12V AC output, 3000mA, with 2.1 x 5.5mm connector for electronic devices
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12V AC-AC Power Adapter, 3000mA (3A) Wall Transformer, 2.1mm x 5.5mm Plug, AC12V Linear Power Supply

PHC Enterprise, Inc.
5+ in stock

Model: AC-123A Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 12V AC @ 3000mA (3 Amps) Connector: 2.1mm (ID) x 5.5mm (OD) Straight Bar...

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12V AC power supply with screw terminals by PHC Enterprise, Inc., featuring three terminal connections and 4170mA output.
PHC Enterprise 12V AC-AC power supply with screw terminals, 4170mA output, three terminal connections, compact and reliable.
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AC-AC Power Supply 12V AC @ 4170mA; Screw Terminals x 3

PHC Enterprise, Inc.
5+ in stock

Part #: AC-1241S3 Input: 120VAC 6o Hz Output: 12VAC @ 4170mA Output connector: Screw Terminals x 3 Replacement for Part # AC-1245S Wall-mount

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PHC Enterprise 12V AC to AC power supply with 5000mA output and 2.1 x 5.5mm connector for electronics and DIY projects.
AC-AC power supply by PHC Enterprise, Inc., 14V AC output, 1420mA, with 2.1 x 5.5mm connector for electronic devices.
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14V AC-AC Power Adapter, 1420mA Wall Transformer, 2.1mm x 5.5mm Plug, AC14V Linear Power Supply

PHC Enterprise, Inc.
5+ in stock

Model: AC-1414A Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 14V AC @ 1420mA (1.42 Amps) Connector: 2.1mm (ID) x 5.5mm (OD) Straight...

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PHC Enterprise 12V AC to AC power supply with 5000mA output and 2.1 x 5.5mm connector for electronics and DIY projects.
PHC Enterprise AC-AC power supply, 16V AC output, 1250mA, 2.1 x 5.5mm connector, compact electronic power adapter.
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AC-AC Power Supply 16V AC @ 1250mA; 2.1 x 5.5mm

PHC Enterprise, Inc.
5+ in stock

Part #: AC-1611A Input: 120VAC 60 Hz Output: 16VAC @ 1250mA Plug: 2.1 x 5.5mm Wall-mount

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AC-1624SA 16.5V 40VA AC-AC power supply transformer for security systems and alarms by PHC Enterprise, Inc.
16.5V 40VA AC-AC transformer for security systems and alarms, showing the PHC Enterprise, Inc. model AC-1624SA power supply.
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16.5V 40VA AC-AC Transformer for Security Systems & Alarms | AC-1624SA

PHC Enterprise, Inc.
5+ in stock

16.5V AC 2400mA (40VA) Plug-In Transformer with Screw Terminals The AC-1624SA is a high-output AC-to-AC power supply designed to provide reliable p...

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18VAC 2220mA AC-AC power supply with three screw terminals, manufactured by PHC Enterprise, Inc., shown with terminal connections.
PHC Enterprise 18VAC 2220mA AC-AC power supply with 3-screw terminals for electronic devices and power conversion.
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18VAC 2220mA AC-AC Power Supply (3-Screw Terminals) | AC-1822SA

PHC Enterprise, Inc.
5+ in stock

The AC-1822SA is a heavy-duty, wall-mounted AC-to-DC step-down linear transformer designed to provide reliable, high-current 18VAC power. Featuring...

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Black AC-DC switching power supply with 3V DC output, 1000mA, 1.3x3.5mm center positive connector, by PHC Enterprise.
18V AC-AC power adapter for JBL Creature II, 3500mA, 1.35mm x 3.5mm plug, replacement power supply by PHC Enterprise
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18V AC-AC Power Adapter for JBL Creature II, 3500mA (3.5A), 1.35mm x 3.5mm Plug, Replacement for TA6618350T

PHC Enterprise, Inc.
5+ in stock

Model: EAC-1835SY Input: 120VAC 60 Hz Output: 18V AC @ 3500mA (3.5 Amp) Plug: 1.35mm x 3.5mm  Type: Linear Power Supply Compatibility This h...

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AC-AC Power Supply 22VAC @ 1500mA; DIN-4 plug for VeriFone P250 Printer; Part # AC-2215D4 - AC-DC PowerShack
AC-AC Power Supply 22VAC @ 1500mA; DIN-4 plug for VeriFone P250 Printer; Part # AC-2215D4 - AC-DC PowerShack
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AC-AC Power Supply 22V AC @ 1500mA; DIN-4 plug for VeriFone P250 Printer

PHC Enterprise, Inc.
5+ in stock

Part #: AC-2215D4 Input: 120VAC 60 Hz Output: 22VAC @ 1500mA Plug: DIN 4-plug Replacement power supply for VeriFone P250 Printer Desktop

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PHC Enterprise 12V AC to AC power supply with 5000mA output and 2.1 x 5.5mm connector for electronics and DIY projects.
PHC Enterprise 24V AC-AC power adapter with 1250mA output, 2.1mm x 5.5mm plug, linear wall transformer for electronic devices
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24V AC-AC Power Adapter, 1250mA (1.25A) Wall Transformer, 2.1mm x 5.5mm Plug, AC24V Linear Power Supply

PHC Enterprise, Inc.
5+ in stock

Model: AC-2412A Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 24V AC @ 1250mA (1.25 Amp) Connector: 2.1mm (ID) x 5.5mm (OD) Female Ba...

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PHC Enterprise AC-AC power supply 24V AC 1670mA with screw terminals, used for industrial power applications.
PHC Enterprise 24V AC power supply with 1670mA output and three screw terminal connections.
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AC-AC Power Supply 24V AC @ 1670mA; Screw Terminals x 3

PHC Enterprise, Inc.
5+ in stock

Part #: AC-2416S Input: 120VAC 60 Hz Output: 24VAC @ 1670mA Output Connector: Screw Terminals x 3 With a 24VAC output and a power capacity of 40VA...

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PHC Enterprise 12V AC to AC power supply with 5000mA output and 2.1 x 5.5mm connector for electronics and DIY projects.
24V AC power supply by PHC Enterprise Inc. with 1750mA output and 2.1 x 5.5mm connector, shown in image.
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AC-AC Power Supply 24V AC @ 1750mA; 2.1 x 5.5mm

PHC Enterprise, Inc.
5+ in stock

Part #: AC-2417A2 Input: 120VAC 60 Hz  (50VA) Output: 24VAC @ 1750mA Plug: 2.1 x 5.5mm Desktop 

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PHC Enterprise 24V AC power supply with 2.5x5.5mm connector, providing 2500mA for electronic devices and applications.
PHC Enterprise 24V AC power supply with 2.5 x 5.5mm connector, 2500mA output for electronic devices.
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24V AC-AC Power Adapter, 2500mA (2.5A) Desktop Transformer, 2.5mm x 5.5mm Plug, AC24V Linear Power Supply

PHC Enterprise, Inc.
5+ in stock

Model: AC-2421E Form Factor: Inline Desktop Style Power Block Input: 120V AC, 60Hz (Standard US Wall Outlet) Output: 24V AC @ 2500mA (2.5 Amps...

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PHC Enterprise 12VCT AC/AC power transformer converting 117VAC to 12VAC or 6VAC, with 1A current capacity, shown in image.
12VCT 12V and 6V AC/AC power supply transformer by PHC Enterprise, with 0-6V-12V output at 1A, 117VAC to 12VAC or 6VAC
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12VCT 12V, 6V Transformer 0-6V-12V CT @ 1A 117VAC to 12VAC or 6VAC

PHC Enterprise
5+ in stock

Part #: PX-12C1 CENTER-TAPPED POWER TRANSFORMERS Primary Input Voltage: 117VAC @ 50-60Hz Secondary Output Voltage: 12V CT @ 1 Amp Rated Output 12V...

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PHC Enterprise 12VCT AC/AC power supply transformer with 0-6V-12V output at 2A, 117VAC to 12VAC or 6VAC
PHC Enterprise 12VCT 12V and 6V AC-AC power transformer, 2A, 117VAC to 12VAC or 6VAC output, shown in PX-12C2.jpg.
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117VAC to 12VAC Center-Tapped Step-Down Power Transformer, 2A | PX-12C2

PHC Enterprise, Inc.
5+ in stock

The PX-12C2 is a premium, open-frame step-down EI chassis power transformer. Designed with a center-tapped secondary winding, it offers exceptional...

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PHC Enterprise 12VCT AC/AC power transformer with 6V and 12V outputs, 3A capacity, 117VAC to 12VAC or 6VAC conversion
PHC Enterprise 12VCT AC/AC power transformer showing connections and voltage settings for 6V and 12V outputs at 3A.
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12VCT 12V, 6V Transformer 0-6V-12V CT @ 3A 117VAC to 12VAC or 6VAC

PHC Enterprise
5+ in stock

Part #: PX-12C3 CENTER-TAPPED POWER TRANSFORMERS Primary Input Voltage: 117VAC @ 50-60Hz Output Voltage 12V CT @ 3 Amp Rated Output 12V AC or 6V A...

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Center-tapped 117V to 24V AC power transformer by PHC Enterprise, Inc., with 1A capacity for step-down power supply applications.
Center-tapped 117VAC to 24VAC power transformer by PHC Enterprise, Inc., 1A AC/AC power supply for electronic applications.
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117VAC to 24VAC Center-Tapped Step-Down Power Transformer, 1A | PX-24C1

PHC Enterprise, Inc.
5+ in stock

The PX-24C1 is a premium, open-frame step-down EI chassis power transformer. Designed with a center-tapped secondary winding, it offers exceptional...

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PHC Enterprise 24VCT AC/AC power supply transformer showing input and output terminals with 24V and 12V labels.
PHC Enterprise 24V or 12V AC/AC power transformer, 0-12V-24V CT, 2A output, 117VAC input, used for electrical applications
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24VCT 24V, 12V Transformer 0-12V-24 CT @ 2A 117VAC to 24VAC or 12VAC

PHC Enterprise
5+ in stock

Part #: PX-24C2 CENTER-TAPPED POWER TRANSFORMERS Primary Input Voltage: 117VAC @ 50-60Hz Output Voltage 24V CT @ 2 Amp Rated Output 24VAC or 12VAC...

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Let customers speak for us

from 309 reviews
DC Barrel Plug Adapter to 2.5 x 5.5mm RIGHT ANGLE plug from 2.1 x 5.5mm

Great product

Rod Espinoza
DC Barrel Plug Adapter to 2.5 x 5.5mm RIGHT ANGLE plug from 2.1 x 5.5mm
Universal AC-DC Power Adapter (3V-12V, 600mA) - PHC-600K | Multi-Plug Regulated Switching Supply (7 Tips)
Works with my CASIO SK-1 KeyBoard

600mA 7.5VDC Tip (-)

Mark Klein
Universal AC-DC Power Adapter (3V-12V, 600mA) - PHC-600K | Multi-Plug Regulated Switching Supply (7 Tips)
24VCT 24V, 12V Transformer 0-12V-24 CT @ 2A 117VAC to 24VAC or 12VAC
Fixed the Control box

Old transformer went bad after 30 years in service. Part was able to be worked into a tight space and box is working again. Thanks!!

Mikkel Halverson
24VCT 24V, 12V Transformer 0-12V-24 CT @ 2A 117VAC to 24VAC or 12VAC
HDCX6T 6ft 2.1mm x 5.5mm DC Plug Extension Cable, 18 AWG
Just what I needed

As advertised, 18 gauge extension cables. Arrived promptly.

Ronald Simmer
HDCX6T 6ft 2.1mm x 5.5mm DC Plug Extension Cable, 18 AWG
Adjustable DC Regulated Switching Power Supply (Black) 3-15VDC 4A | APS-415
Damn good machine

Easy pleasant transaction, great quality and great value. This machine will be used for a power supply for a homemade electrolysis tank. Don't be afraid to purchase from this company.

Donald Matthies
Adjustable DC Regulated Switching Power Supply (Black) 3-15VDC 4A | APS-415
AC-AC Power Supply 24V AC @ 1750mA; 2.1 x 5.5mm
All Good

Great item inventory, very swift shipping/delivery, and the power supply is what I ordered and functions flawlessly. Thanks again!

deno canellos
AC-AC Power Supply 24V AC @ 1750mA; 2.1 x 5.5mm
5 AMP GDC SLOW BLOW FUSE 5x20mm 5-pack; Part # GTE-5A-5

5 AMP GDC SLOW BLOW FUSE 5x20mm 5-pack; Part # GTE-5A-5

Karpis Maksudian
5 AMP GDC SLOW BLOW FUSE 5x20mm 5-pack; Part # GTE-5A-5
Professional 1000VA Isolation Transformer | 117VAC to 117VAC - ISO-1000

Isolated ok

John E Oden
Professional 1000VA Isolation Transformer | 117VAC to 117VAC - ISO-1000
DC Barrel Plug Adapter Converter - Female 2.1mm x 5.5mm to Male 3.4mm x 5.0mm (20 AWG) | Part RC-X531
Works as intended!

Works perfect, just what i needed. Thank you😀

Erik B. Hamm
DC Barrel Plug Adapter Converter - Female 2.1mm x 5.5mm to Male 3.4mm x 5.0mm (20 AWG) | Part RC-X531
12VCT 12V, 6V Transformer 0-6V-12V CT @ 1A 117VAC to 12VAC or 6VAC
Awesome

Awesome

braulio coyoy
12VCT 12V, 6V Transformer 0-6V-12V CT @ 1A 117VAC to 12VAC or 6VAC
DC Barrel Plug Adapter to 2.1 x 5.5mm plug from 2.1 x 5.5mm; REVERSES the POLARITY
Obscure part, quick delivery

I was having trouble finding exactly what I needed, but you had it and it was in my mailbox within the week. Thank you for the quick service.

Richard E.
DC Barrel Plug Adapter to 2.1 x 5.5mm plug from 2.1 x 5.5mm; REVERSES the POLARITY
AC-DC Linear Power Supply 7.5V DC @ 1000mA; 2.1 x 5.5mm NEGATIVE center polarity

AC-DC Linear Power Supply 7.5V DC @ 1000mA; 2.1 x 5.5mm NEGATIVE center polarity

Matthew Farmer
AC-DC Linear Power Supply 7.5V DC @ 1000mA; 2.1 x 5.5mm NEGATIVE center polarity
AC-DC Switching Regulated Power Supply 6.5V DC @ 500mA; 1.7 x 4.0mm Positive center polarity
Works great, arrived quickly

A 6.5VDC, 500mA with a 1.7x4.0mm isn't a common animal, but got this at AC-DC Powershack and it works great. Got here fairly quickly too.

Brian Annis
AC-DC Switching Regulated Power Supply 6.5V DC @ 500mA; 1.7 x 4.0mm Positive center polarity
Professional 500VA Isolation Transformer | 117VAC to 117VAC - ISO-500
PHC 500VA Isolation Transformer, 117VAC

A true isolation transformer. Simplistic and effective. Outstanding.

Jon Diemert
Professional 500VA Isolation Transformer | 117VAC to 117VAC - ISO-500
Variable Transformer 300VA (3 Amp) | 0–130VAC Benchtop Variac - SC-3M
Voltage Control

Use this to lower the operating voltage of vintage guitar amplifiers they are designed to run between 115-117AC not 120-125VAC great product!

Mike DiMasi
Variable Transformer 300VA (3 Amp) | 0–130VAC Benchtop Variac - SC-3M