AC-DC Linear Power Supply 9V DC @ 1000mA; 2.1 x 5.5mm (+) center polarity
Part #: PV-91AP
Input: 120VAC
Output: 9VDC @ 1000mA
Plug: 2.1 x 5.5mm
1.0 / 5.0
1 Review
Part #: PV-91AP
Input: 120VAC
Output: 9VDC @ 1000mA
Plug: 2.1 x 5.5mm
I really wanted to like this AC-DC Linear Power Supply 9V DC @ 1000ma; 2.1 x 5.5mm (+) center polarity but it would blow up my equipment if I interconnected it with this thing !!!!!!!!!!!!!!!! Bye now !!!!!!!!!!!!!
So sorry the power supply was not a match for your needs. A linear AC-DC power supply (non-regulated) will always read about 1.5x higher on a no-load read. The 9VDC will probably read about 13-13.5VDC. A regulated or a switching type power supply (are always regulated) will give a constant steady volt reading with a +/- of 0.2V within its stated voltage.
Whereas an AC-AC linear power supply will read about 1VDC higher on an open/no-load read.
I really wanted to like this AC-DC Linear Power Supply 9V DC @ 1000ma; 2.1 x 5.5mm (+) center polarity but it would blow up my equipment if I interconnected it with this thing !!!!!!!!!!!!!!!! Bye now !!!!!!!!!!!!!
So sorry the power supply was not a match for your needs. A linear AC-DC power supply (non-regulated) will always read about 1.5x higher on a no-load read. The 9VDC will probably read about 13-13.5VDC. A regulated or a switching type power supply (are always regulated) will give a constant steady volt reading with a +/- of 0.2V within its stated voltage.
Whereas an AC-AC linear power supply will read about 1VDC higher on an open/no-load read.
I really wanted to like this AC-DC Linear Power Supply 9V DC @ 1000ma; 2.1 x 5.5mm (+) center polarity but it would blow up my equipment if I interconnected it with this thing !!!!!!!!!!!!!!!! Bye now !!!!!!!!!!!!!
So sorry the power supply was not a match for your needs. A linear AC-DC power supply (non-regulated) will always read about 1.5x higher on a no-load read. The 9VDC will probably read about 13-13.5VDC. A regulated or a switching type power supply (are always regulated) will give a constant steady volt reading with a +/- of 0.2V within its stated voltage.
Whereas an AC-AC linear power supply will read about 1VDC higher on an open/no-load read.
Good quality. Very happy with my purchase
Exactly as ordered. Powered Christmas display of moving ice skaters. Fun for everyone!
It did a good job as advertised. I was getting a hum when I turned on my subwoofer. I plugged the sub directly to the isolation transformer. It decreased it by about 90%. Maybe if I plug my sub into my power conditioner and then plug the power conditioner into the transformer it might eliminate the hum completely. I have not tried it yet. Have not had time,but the hum is barely noticeable now. I have to get very close to the sub to detect it. Very happy even with the 90% hum reduction
I'll will definitately keep it
Great product..
It's hard to beat the price for a variable isolation transformer. Works well.
Used these to power my legacy Hallmark Star Trek ornaments and they work great. AC/AC is hard to find and the Powershack had these quality units and shipped them quick. Wish I’d had another option besides USPS for shipping but otherwise great product and experience.
Product came on time exactly as described. Worked perfectly.
This was a replacement for one of my Village Square Christmas houses. I've been looking for years actually and then stumbled upon AC-DC Power Shack. What a great find. Hans was quick to respond to my inquiry and extremely helpful. The replacement works perfectly. I couldn't be happier!
Our extender went down for our RFD door locks. The transformer was bad. To order another one from the lock company was going to cost $45- and 4-6-weeks delivery. AC/DC Power Shack was cheaper and quicker, and it works perfectly.
Worked like it was suppose to , price good, shipment on time ! Satisfied customer !
Thanks
I haven't used them yet, but I love the very fast shipping time. !!
Good Linear Supply for a good price
Seems to be working as it should now. There was a humming or buzzing coming from it when the front switch is off. Not sure if this is normal or not. If the just leave the front switch on it doesn't do the humming or buzzing. The rear main power switch has to remain on per my bench setup so it not easily accessible to keep crawling under the bench to reach up behind to flip the switch. So far it's been working great with my gear as expected.
I was having trouble finding a power supply cord for my lamp. I wrote an email to AC-DC Power Shack and Hans wrote me back within the hour and helped me choose this and the right accessory. Amazing customer service - highly recommend!! Shipping was also fast.
Well manufactured and easy to use Power Supply complete with all dials, plugs and switches required. Sturdy Painted Box.
Heard about the AC-DC Powershack on a YouTube video teaching electronics for vintage radios. They were highly recommended for both product and service. I needed an Isolation Transformer for working on vintage radios. For my projects I don’t expect to need work than a 3 amp isolation transformer and settled for this 5 amp rated model. It does what it’s supposed to do, it got shipped in a reasonable time, ithas been working just fine, and the price was fair. Not much more to say other than I feel a little safer user this isolation transformer.
I purchased this for my fiber optic Hummingbird lamp because it has a color wheel synchrous motor in which requires the above power adapter. This company is the only company I found that carries these adapters. I bought one, and now have bought 2 more, one for my sister who has the same lamp and another for me, because I recently purchased another fiber optic lamp. Hans was very helpful and I truly appreciate the help he provided. Thank you Hans!
Most guitar pedals and effects boxes are standard 9V center negative DC, but my Alesis Phlngr actually needs 9V AC. I had to find the right plug size which ended up being 2.5 mm inner diameter instead of 2.1mm like this adapter. This site also sells the converter from 2.1x5.5 mm to 2.5x5.5 mm that allows me to interface with this unit. Works as intended.
I bought this adapter for my Boss SE-50 since I did not want to spend $40+ on a giant brick known as the BRB-120. I had one of the original Roland power supplies back in the day and hated how much space it took up just for a half-1U rackmount. However the plug on the AC/AC adapter I bought here is 2.1mm x 5.5mm so I also got a converter on this website to adapt it to the 3.0mm x 6.3mm plug in the back of the SE-50. I have confirmed this to be operational, and a less expensive shoehorn for the BRB-120.
Good quality. Very happy with my purchase
Exactly as ordered. Powered Christmas display of moving ice skaters. Fun for everyone!
Good quality. Very happy with my purchase
Thank you for your feedback! We are glad to hear that you are satisfied with the quality of our product. It is our goal to provide our customers with the best possible experience. Thank you for choosing our AC-DC PowerShack. Have a great holiday!
Exactly as ordered. Powered Christmas display of moving ice skaters. Fun for everyone!
Great to hear that our AC-AC Power Supply worked perfectly for your Christmas display! Thank you for your business and for leaving a positive review. Enjoy your Christmas!
It did a good job as advertised. I was getting a hum when I turned on my subwoofer. I plugged the sub directly to the isolation transformer. It decreased it by about 90%. Maybe if I plug my sub into my power conditioner and then plug the power conditioner into the transformer it might eliminate the hum completely. I have not tried it yet. Have not had time,but the hum is barely noticeable now. I have to get very close to the sub to detect it. Very happy even with the 90% hum reduction
I'll will definitately keep it
Great product..
Thank you for taking the time to leave a review for our 500VA Isolation Transformer. We are so glad to hear that it has been working as advertised and has greatly reduced the hum from your subwoofer.
If you have any further questions or concerns, please don't hesitate to reach out to us. We truly appreciate your support and hope you continue to enjoy our product.
It's hard to beat the price for a variable isolation transformer. Works well.
Hi there! Thank you for leaving such a positive review for our Variable Transformer. We're glad to hear that you found it to be an excellent price and that the output meter was a great added bonus. We strive to offer high-quality products at affordable prices and we're happy to know that we were able to exceed your expectations. Thank you for choosing our product and we hope it continues to work well for you. Have a great day!
Used these to power my legacy Hallmark Star Trek ornaments and they work great. AC/AC is hard to find and the Powershack had these quality units and shipped them quick. Wish I’d had another option besides USPS for shipping but otherwise great product and experience.
Thank you for taking the time to leave a review! We are so glad to hear that our AC/AC power supply worked perfectly for your legacy Hallmark Star Trek ornaments. We understand that AC/AC options can be hard to find, so we are happy to provide a quality product for your needs.
Thank you for choosing ACDC Powershack!