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dbx PB-48 Point Patch Bay black
Purchase options and add-ons
Color | Black |
Brand | dbx |
Style | Compact |
Shape | Rectangular |
Number of Pieces | 1 |
Mounting Type | Rear Mount |
Age Range (Description) | Adult |
About this item
- Comes in two varieties, half-normalled or de-normalled
- 48 1/points on front panel, connected to 48 1/points on tone control rear
- Rugged, noise free, versatile patchbay
- Country of Origin: China
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Product information
Color | Black |
---|---|
Brand | dbx |
Style | Compact |
Shape | Rectangular |
Number of Pieces | 1 |
Mounting Type | Rear Mount |
Age Range (Description) | Adult |
Item Weight | 2.42 pounds |
Product Dimensions | 20 x 13 x 2 inches |
ASIN | B0002H0QBY |
Item model number | PB48 |
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #53,880 in Musical Instruments (See Top 100 in Musical Instruments) #232 in Stage & Studio Patch Cables |
Is Discontinued By Manufacturer | No |
Date First Available | August 7, 2005 |
Color Name | Black |
Hardware Platform | CONSUMER_ELECTRONICS |
Warranty & Support
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Product guides and documents
Product Description
Well, it's not very glamourous, but everybody needs a patchbay. And as for the pb-48, it is a patchbay that just works, all the time, every time. It comes in two flavors: half-normalled or de-normalled, with 48 1/4" Points on the front panel, connected to 48 1/4" Points on the rear. The pb-48 is a rugged, noise-free, versatile patchbay designed to serve all your patchbay needs, from providing clear and easy access to your mixer and other studio gear, to reducing the wear and tear on their jacks, to facilitating quick and precise rerouting of devices within your studio setup. See, not glamorous, but it works great.
From the manufacturer
dbx PB-48 Point Patch Bay
The PB-48 is a patchbay that just works, all the time, every time. It comes in two flavors: half-normalled or de-normalled, with 48 1/4" points on the front panel, connected to 48 1/4" points on the rear. The PB-48 is a rugged, noise-free, versatile patchbay designed to serve all your patchbay needs, from providing clear and easy access to your mixer and other studio gear, to reducing the wear and tear on their jacks, to facilitating quick and precise rerouting of devices within your studio setup.
Specifications
Patch Points | 48 (2 rows of 24) |
Jacks | 1/4” phone, balanced or unbalanced, nickel-silver, self-cleaning contacts |
Normalling | Half-normalled or de-normalled (user configurable) |
Chassis Dimensions | H x W x D):1.75” x 19” x 2.6” (44 x 482 x 68mm) |
Shipping Weight | 2.3 lb (1.1 kg) |
Understanding Patchbays and the dbx PB-48
The PB-48 is shipped from the factory with its circuit boards installed for half-normalled patchbay operation.
Normalled means that audio signal automatically flows between a vertical pair of patchbay jacks without theneed for patchcords (see Figure 1-A). Normalled patchbays may be half-normalled or full-normalled. In the half-normalled PB-48, each rear-panel upper jack is respectively normalled to the jack directly below it as longas nothing is plugged into the lower front-panel jack.
Half-normalled means that plugging into the upper front-panel jack does not break the connection between the upper and lower rear-panel jacks, but splits the signal to two destinations, while plugging into the lower front-panel jack breaks the connection (see Figures 1-B and 1-C).
Note: A full-normalled patch bay’s rear-panel connections are broken when plugging into either front-panel jack. A simple example of using half-normalled operation: connect a mixer’s monitor out to one of the PB-48’s rear-panel upper jacks, then connect the rear-panel jack directly below it to a power amplifier. The “normalled” signal will flow from the mixer monitor out to the power amplifier, and will only be broken when a connection is made to the corresponding front-panel lower jack.
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A Quick flip of the module and any channel is normalled or de-normalled.
I installed this patch bay in my studio today, and even though it's functioning, I've already begun shopping for its future replacement because I can't imagine this patch bay will last more than a year before the jacks crack or strip, or the modules are permeated by dust.
I also racked my patch bay upside down so that the labeling strips were on top, and to give each module a little firmer seating in case its single, plastic mounting nut ever loosened. Then I used a black Sharpie marker to draw division lines through the label strips between the modules.
Removing a module to flip (de-normalize) requires unscrewing its threaded nut. Unfortunately the modules are too close together to seat a metric socket onto the nut, so you either have to fumble with a half-seated socket or try to grasp it with a needle-nose pliers. It took me over a half-hour to de-normalize all 24 modules.
In summary, for a hundred bucks, I'd at least like my patch bay to have... you know... all six sides. And I'd like to have more than one screw holding in the modules. And those screws should be... you know... metal. Given it's lackluster design and the most corner-cutting construction I've ever seen in a piece of studio gear, in no way would I value this product at $100. DBX has made some excellent gear in the past, but I'm afraid they dropped the ball on this one.
UPDATE October 2018: As I predicted, the patch bay is failing. It lasted a couple years longer than I thought it would, but it's producing scratchy, intermittent, unreliable connections in my signal chain.