Sixteen-channel AES/EBU digital audio converters, 110 ohm balanced to 75 ohm unbalanced, in a 1U rackmount enclosure with innovative mounting options.
They use the same, proven, high-quality, high-frequency transformer, specially manufactured for Canford, as the in-line units. Balanced 110 ohm connection is by XLR (male or female), unbalanced 75 ohm by BNC female. They are available in three versions which differ only in the configuration of the XLR connectors. The units are designed to be mountable in a number of different ways within a 19 inch rack, acknowledging that they are utility products that may require no operational access.
They are available in three versions:
| BXF16 |
16 XLR female to 16 BNC female |
| BXM16 |
16 XLR male to 16 BNC female |
| BXM8F8 |
8 XLR male to BNC female (channels 1-8) plus 8 XLR female to BNC female (channels 9-16) |
Sixteen individual isolated audio circuits are provided in a screened, metal 1U case with XLR connections on one face and BNC on the other. Detachable rack-mounting ‘L’ brackets are included, which can be fitted at either the BNC or XLR face, making either balanced or unbalanced connection available at the front (or rear) of the rack.
Because a balanced AES/EBU signal can be significantly above the maximum specified for AES unbalanced, resistors are included on the PCB to provide an attenuation if required. These are normally out of circuit, but a solder bridge can be made to implement the attenuation feature.
Brackets may be fitted so the unit mounts flush, or recessed by 30mm, 60mm or 90mm, allowing for cables connected at the front to be routed away behind the front face of the rack. A lacing bar is provided, with a choice of mounting positions (note that the lacing bar cannot be fitted when the unit is mounted recessed by 90mm). Alternatively, the brackets can be fitted at right-angles to the box allowing vertical mounting (either way up) either flush with the rack verticals or at a recess depth of approximately 30mm, 60mm or 90mm (or 120mm or 150mm). The vertical mounting option allows space within a rack behind patch panels or other equipment to be utilised saving valuable front of rack area.
Units are finished in black, printed with channel identification numbers and fitted with snap-on cover designation strips. Templates for printing designation strip labels, available as a DWG file for AutoCAD and compatible applications, can be downloaded from the appropriate product page on the Canford website.
Spare 432mm designation-strip paper (not suitable for printers) and covers are available, see CANFORD DESIGNATION STRIPS - Snap-on.
Technical Specification:
| Bandwidth: |
0.1 – 6.0 MHz |
| Voltage: |
5.0V peak to peak maximum |
| VSWR: |
Less than 1.1 (0.1-6.0MHz) |
| Insertion loss: |
Less than 0.3dB |
| Dimensions: |
441 x 104 x 44.4 (w x d x h) mm, without rack brackets fitted 19" x 194mm x 44.4mm (w x d x h), with rack brackets fitted |
| Weight: |
1.1kg |
Manufactured by Canford.