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Your cart is empty.A No-frills, 3-slot 500 Series Chassis The Lindell Audio 503 POWER is a no-frills, 3-slot 500 Series chassis. It features 800mA of power per slot — enough juice for your digital and tube-driven modules. Onboard 48-volt phantom power accommodates your condenser microphones. Overload/short circuit protection safeguards your gear against damage, while power rail LED indication makes troubleshooting a piece of cake. And you can be assured to have rock-solid connections with its gold-plated XLR jacks. The engineers here at Sweetwater appreciate that they can take the 503 POWER anywhere, thanks to its no-noise universal power supply. The 503 POWER is housed in a lightweight aluminum cabinet and includes a neoprene gig bag for easy transport.Lindell Audio 503 POWER Features: 3-slot 500 Series chassis 800mA of power per slot is sufficient for digital and tube-driven modules Onboard 48-volt phantom power accommodates your condenser microphones Overload/short circuit protection safeguards your gear against
Nigel D.
Reviewed in the United States on December 23, 2022
I like the Lindell housing, I have 2 but one of them would not let me seat a 500 series ultraviolet by SSL module correctly. I realized that if I added washers to the screws that hold the Circuit board struts to lift the Circuit board a little off the struts that it sits in the housing, this would do the trick. This made the difference depressing in the module completely and seating it properly. I used plastic washers from rack mount units screws they were the perfect thickness. I’m glad I figured out a fix, I do like the cases build they are clean and clear sounding as far as I can tell no noise just an issue with the fit of the module but pretty easy fix really. I hope that helps anybody checking out these cases….
Alexander A Brown
Reviewed in the United States on February 22, 2021
I love the portability of this rack, along with the fit and finish of the mechanical design. It's an amazingly compact, simple device that is mechanically well-thought-out and quite nice to look at. You will have to patch your own signal chain (there are no switches connecting the slots to one another without XLR cables), but this isn't really a downside in my opinion.The disappointing thing about this rack is that its promotional material boasts about its "no noise power supply." This is false advertising, because a) such a thing does not and cannot exist when there's a need to convert AC to DC power and b) this is a particularly noisy design, given that 120V, 60Hz AC power runs so close to unshielded, exposed XLR signal wires underneath the hood. Practically, there is 60Hz hum bleeding through all over the place, and the closer the slot you're using is to the wall plug on the back of the unit, the worse it gets. Many competitive racks use outboard AC/DC converters to skirt this issue by physically separating the AC power from the signal path. Lindell "went for it" and put the AC circuitry right next to the rack slots to keep the design compact... which would be fine if the power supply was actually shielded from the signal wires. It is not.Perhaps this wouldn't be a huge deal if you're dealing with a use case where less than about 30dB of gain is needed, but when the gain gets high, especially for amplifying quiet dynamic mics like the SM7, the 60Hz wall hum is extremely annoying. To get rid of it, you need to buy shielding metal and build a faraday cage around the AC power circuitry. If you're not willing to spend the extra $30 and 2 hours to do this, proceed with caution.It's very strange to me that Lindell hasn't solved this problem with a simple stamped metal enclosure. The noise issue is well documented on DIY audio forums, and occurs even when the unit is used with properly grounded home wiring.
aj perdomo
Reviewed in the United States on November 30, 2020
I got this, having extreme issues with getting audio signal. Pixel audio was 0 help with me getting replaced.
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