International Authority in Audio Quality & Audio Electronics
Professional Service for Equipment / Product Manufacturers:

	Existing Product Troubleshooting

available from

Ben Duncan Research UK

	BDR can identify & solve (or pre-empt) problems with diverse manufactured products that employ analogue or mixed electronics. Examples include:

	Amplifiers - all types: PA, domestic, guitar, industrial
	Audio electronics - all analogue, also DACs & ADCs
	Active loudspeakers & systems
	Components & modules - diverse types
	Eco-energy equipment - wind gen & solar regulators
	Hi-Fi, high-end domestic and car/auto
	Industrial electrical, high power, controls, process
	MI/Musical equipment - amps, heads, FX, accessories
	Motor controllers & cards
	PA gear - all types, & including active speakers
	Power Amplifiers - all types
	Power Supplies - linear & switching
	Power electronics
	RF Transmitters and analogue sections up to VHF
	Test gear - analogue, DC to RF, nV to 60kV, pA to 20kA
	Transformers - mains (up to 20kVA) and audio (all types)
	Vintage equipment restoration
	Welding power supplies (arc, MIG, TIG)

	Problems solved include:

	poor reliability or robustness - product failures.
	failure to meet specs, standards or regulations.
	key IC or part obsolescence, or sourcing impasse.
	excessive manufacturing or test costs.
	non-operation.

	Message to manufacturers
	30 years experience shows that however good your own design team is, having new audio equipment or fresh product designs checked thoroughly by us (or other independent, expert eyes) BEFORE you put them into production, can lead you to arresting potential problems and losses before they affect your customers or even your organisation's reputation.

	The tools we use include equipment by Adcola, Advance, Airmec, Audio Precision, Audio Synthesis, AVO, B&J Sound, Beckman, Bradley, BSS Audio, C-Audio, California Instruments, CAM, Cambridge Instruments, Claude-Lyons, Comark, Coutant, Crompton Parkinson, Datron, Datron Wavetek/Fluke, Dawe, Derritron, Dranetz, Elgar, Elliott, EM-CO, EMO, Everett-Edgcumbe, Farnell, Fluke, Gen Rad, Gertsch, Greystone, Hatfield Instruments, HP (Agilent), Hunting-Hivolt, Keithley, Kepco, Krohn-Hite, Kingshill, Marconi, Milli-VAC Instruments, Otis Communications, Peak, Philips, Power Designs, Racal, Racal Dana, Radford, Sangamo Weston, Schlumberger, Scopex, Smith Hobson, Solartron, Spectral Dynamics, Systron-Doner, Tannoy, Tek, Thandar, Thurlby, Time, Tinsley, TTI, Turbosound, Weller, Westwick, White Instruments, Xerox, XTA, and Zenith.

	Our clients' names - including celebrities - are protected by our '50 year rule'. We can offer world class references when specifically requested.

	Kindly note new email address: bdr@bdr-uk.com This will replace older addresses. Contact us initially at: BD-UK@dial.pipex.com  bdr@bdr-uk.com or by Fax: +44 (0)1526 342 869