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Canford TechZone

Technical resources and information about products.

Technical Resources

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19" Rack Equipment and BS1363/BS4662 Dimensional Data 19" rack equipment dimensiona data as specified by BS5954 (1980) and IEC 297 (1975), and single and double gang electrical plate dimensions
BNC Connectors Designed originally as a tightly specified co-axial connector for low power RF applications, the BNC has become the connector of preference for many communications, video and, until recently, computer network installations.
Cable Colour Codes These colour codes are offered as guidance in allocating circuits and investigating existing installations.
Canford Cables-Selection Guide The following tables are intended to aid cable selection by showing applications and specifications of the cables in the catalogue.
Coaxial Cables for Digital Video Dr. John Emmett discusses the characteristics a cable needs for use in high-performance digital video applications.
Coaxial Connectors Selection Guide This table cross references many popular cable types against their appropriate cable group to aid the selection of an appropriate co-axial connector.
Crimp Die - Set Cross Reference Chart This chart relates the correct crimping die-set (to fit Erma crimp tool, see stock codes 55-800-810), to suit various RF connectors Stocked by Canford, to cable 'groups' (see Co-axial connectors selection guidance).
dB-dBu-dBV Comparison Table Comparison chart of dB-dBu-dBV
Earphone Limiters - Questions & Answers This technical briefing was written specially for Canford by acoustics consultant Tony Woolf, who specialises in design of broadcast and recording studios, and in hearing protection for musicians and the professional audio industry.
Guide to EMC, LVD and CE Marking The Subject of CE marking has been fraught with partial understanding and confusion. We felt a brief outline of what is a complicated political, legal, commercial and technical subject might help clarify matters for our customers.
IP Protection Classes The protection of enclosures against ingress of particles or against ingress of water is defined in IEC529 (BVSEN60529:1991).

Technical Support
Canford Audio PLC.
Crowther Road,
Washington,
NE38 0BW, UK
1. 09.00 - 17.30 UK time
2. Tel: +44 (0) 191 418 1144
3. Fax: +44 (0) 191 418 1145
4. E-mail: techsupport@canford.co.uk

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