Jensen vs. Eclipse transformers in Radial DIs?

Happy New Year everyone! Had an interesting question come in from a viewer recently on one of the DI box videos and thought I’d post my response here as well:

G.M.: Hello Bruno. One question that has been on my mind lately is the difference between comparable units in Radial’s DI lineup between their Pro XX and their JXX (e.g. Pro DI vs. JDI) DIs. I believe the main difference is in the transformers with the Pro series containing Eclipse transformers and the J series including the Jensen transformers. First, would you say that is accurate? Second, are there really any other meaningful differences? and third, what really is the difference in those two transformers? I am not sure if this is something you could cover in a comment response or in another video; but, I really value your experience and opinion on these topics!! Thanks for all the great content on your channel.

GLB Productions: Hello GM, thanks for getting in touch. The first thing to understand is that there is a difference between the active and passive DIs in Radial’s lineup: for example, the J48 and Pro48 have exactly the same circuit and sound identical – the differences between them are in the feature set and also more mundane things like the size of the case and the number of colours in the graphic package.
In the case of the passive DIs, you rightly point out that the difference is in the quality of the transformers used. Radial give details about the differences on their FAQ pages e.g. here and here. Basically, the Jensen transformers are the ‘ultimate’ choice for studio use, whereas the Eclipse work fine for live use. I have found this to be true – in live sound, the frequency response of your loudspeakers is the limiting factor rather than the transformers in your DIs.

For live sound, I use the J- and Pro-series DIs interchangeably, and choose more based on the feature set needed. For example the JDI has a merge to mono feature and can also accept a speaker-level input, the ProAV series are specialist DIs with 3.5mm and RCA inputs that can solve a myriad of problems. Hope that helps!

The video that inspired the question:

Hope everyone is doing well – take care and keep sounding good!

Old videos, New chapter marks!

Older videos are now easier to navigate!

Over the past month or so I’ve upgraded some of my more popular videos by adding chapter marks to the description so that they show up when you mouse over the timeline. This makes the videos much easier to navigate and also saves time when you want to jump to a particular section.

Quickly scan through the contents of a video.

A couple of the more popular ones that have been given this treatment are my Shure SM58 vs Beta58A and Taka-Mini vs. GS Mini videos. Hopefully this enhances the channel experience for everyone.

The pandemic has been keeping me very busy with video production work – I hope to be able to resume making YouTube videos towards the end of this year or early in 2021. Until then, I continue to respond to all comments on all videos, no matter how old they are. Stay safe everyone!

Amazon links page updated: Whirlwind pcDI

Whirlwind pcDI

The Amazon links (DI Boxes) page has been updated to include the Whirlwind pcDI. This is long overdue considering that it was featured in a video posted way back in 2012! It still looks very much like the original, but with minor updates to add 1/4″ connectors and remove the RCA thru connectors. This is a still a great value for money tool that will get the job done, noise-free, night after night.

Yamaha MG10XUF vs. Mackie ProFX8v2 | FSB #7

Prompted by a viewer who asked me about the differences between the Yamaha MG10XUF and the Mackie ProFX8v2. These mixers look very similar but that belies a whole host of important differences.

In this video I compare the following attributes of these mixers:

02:18 Price
03:09 Release date
04:29 Number of input channels
07:50 Input channel configuration
12:05 EQ section
12:51 Number of aux sends
15:29 ON vs. MUTE switches
16:57 Pre-Fade Listen (PFL) function
18:34 Onboard graphic EQ (Mackie only)
19:18 Onboard effects (FX) processor
20:40 USB Audio Interface
23:27 Studio Monitor Output (Yamaha Only) 25:29 Internal vs. External power supply
27:26 Aesthetics and Ergonomics

This purpose of this video is not to give a comprehensive overview/review of either of these mixers, but rather to educate end users about how to systematically analyse the differences between two apparently similar pieces of equipment. The aim of this being to avoid any nasty surprises after purchase!

Radial SB-5 added to Amazon Links page

The Radial SB-5 multimedia DI box has been added to the Amazon Links page. This is a very compact passive stereo DI box that features a permanently attached minijack cable and balanced outputs on both XLR and quarter-inch. It’s small enough to fit into the front pocket of a laptop bag!

The quarter-inch outputs are stereo whereas the XLR output sums the signal to mono, often the best option in live sound situations where a significant part of the audience can only hear one side of the sound system.

Custom speaker bag for Bose S1 Pro by Roqsolid covers

New video! This is a short review of a loudspeaker bag that I had made by UK company Roqsolid. I’ve had an S1 Pro in inventory for several months now and it’s a great speaker but the stock cover is seriously flimsy. Using the dimensions I sent to them, Roqsolid produced a fully-enclosed, padded bag for the speaker which costs about twice as much as the stock cover but easily provides ten times the protection. 

Every sound guy or musician needs a good cover-maker, and Roqsolid are amongst the best – check them out the next time you need a piece of gear protected but don’t need the weight and expense of a flight case. 

Order your own Bose S1 PowerBag: