what is the output on this adapter? (volts and amps)

According to the description: 9V, center negative, 2A (2000 millamps) max. 18 watts. (9v x 2a = 18w) The other answers here are wrong if the product description is correct (and they don't even agree). The original PSB-1U had the specs I just listed.

What is the cable length? Thanks in advance.

from the outlet plug to the transformer box is approx 3 feet from the transformer box to the outlet on my keyboard is about 6 feet with an overall length of 9 feet

there is no place on my FR7 that would accommodate that adapter plug. Please help

The FR-7 is powered by the foot pedal that comes with it - this attaches to the FR-7 using the included 19-pin cable. You can also use the battery pack for powering the FR-7, and this is charged using the foot pedal also.

Will it work with HP 137 R?

I am sorry, I really do not know it it would work or not

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PSB-120 Electronic Keyboard Power Supply

Product ID: 304479057

Details

Amperage
2000 Milliamps
Brand
Roland
Colour
Original
Compatible devices
VG-99 GT-10
Compatible phone models
VG-99 GT-10
Connector type
barrel

⚡9V DC output for stable power

🌍Global compatibility with Roland devices

🔌Universal 100-240V AC input

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AR$284399

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In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your creativity, anywhere you go!

RELIABLE POWER BOOST - Delivers a steady 2000mA current to keep your keyboard performance flawless.
LIGHTWEIGHT PORTABLE - At just 0.62 lbs, it’s your go-to power companion for gigs and studio sessions.
PLUG PLAY CONVENIENCE - Easy wall-mount design with a durable barrel connector for instant setup.
UNIVERSAL VOLTAGE RANGE - Works seamlessly worldwide with 100-240V AC input—travel without limits.
ROLAND DEVICE COMPATIBILITY - Perfectly replaces multiple models (ACB-120, ACF-120, ACK-120, ACI-120) ensuring hassle-free integration.

The Roland PSB-120 Electronic Keyboard Power Supply is a compact, reliable AC adapter delivering 9V DC at 2000mA, compatible with a wide range of Roland devices. Featuring a universal 100-240V input, it supports global use and replaces multiple legacy models, making it an essential accessory for professional musicians seeking consistent power on the move.

Specifications

ASIN	B001OAGQ80
Additional Features	Travel
Amperage	2000 Milliamps
Best Sellers Rank	#40,858 in Computers ( See Top 100 in Computers ) #1,100 in Computer Keyboards
Brand	Roland
Built-In Media	AC power adapter with cord
Color	Original Version
Compatible Devices	VG-99, GT-10
Compatible Phone Models	VG-99, GT-10
Connectivity Technology	AC Power Cable
Connector Type	barrel connector
Current Rating	2 Amps
Customer Package Type	FFP
Enclosure Material	Metal, Plastic
Frequency Range	60 hertz
Global Trade Identification Number	00761294403471
Input Voltage	240 Volts (AC)
Item Type Name	Electronic Keyboard Power Supply
Item Weight	0.62 Pounds
Main Power Connector Type	2 Pin
Manufacturer	Roland
Model Number	PSB-120
Mounting Type	Wall Mount
Number of Items	1
Output Current	2000 Milliamps
Output Voltage	9 Volts
Portable	Yes
Power Plug	Type A - 2 pin (North American)
Power Source	Corded Electric
Specification Met	ACI
UPC	761294403471
Unit Count	1 Count
Wattage	120 watts

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