MIDI Cables
A range of good quality MIDI cables in varying lengths, suitable for connecting our MIDI circuits to other devices. All cables have oxygen-free copper conductors and black overall insulation and are available in lengths of 0.5, 1.0 and 1.8 metres.
The pricing (UK Pounds) for MIDI cables is as shown below:
0.5m cable: £3.20
1.0m cable: £4.30
1.8m cable: £5.20
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If an MTP-7/8 circuit fails due to overload of one or more of its note switching outputs, the most common damage is to whichever on-board ULN2803 device drives the overloaded output. In many cases, the MTP circuit can be returned to full working order simply by replacing the damaged device. Since the ULN2803 devices are fitted into sockets, replacement only takes a few seconds requires no soldering. It is advisable to have one or two spare to try in case of damage before sending the entire MTP circuit back to j-Omega Electronics for repair. ULN2803 devices are priced at £1.20 (UK Pounds) each.
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The OBM-1 output booster module enables either an MTP-7 or MTP-8 MIDI-to-parallel circuit to switch much larger loads than normal. Taking the place of any usual ULN2803A octal output driver chip, the OBM-1 is quick and easy to install and requires no soldering. Each OBM-1 module controls 8 outputs and is rated at 1.5A per output. One OBM-1 module will be required for every eight MTP outputs that are to be upgraded in current rating.
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| OBM-1 used with an MTP-7 |
The price of this module is £16.00 (UK Pounds), including installation instructions and technical support by e-mail/telephone
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The OBM-2 output booster module allows an MTP-9 MIDI-to-parallel circuit to switch 16 loads of up to 500 mA each at up to 35 Volts, inductive or resistive in open-collector (pull-down) configuration. Connection is by industry-standard IDC headers which can link to the MTP-9 using 20-way flat ribbon cable. The power connection is made by high quality risig-clamp screw terminals. No soldering is required for any connections. The circuit is supplied as a single high quality glass fibre PCB measuring 81 x 41mm with four 3.2mm holes for mounting.
The price of this module is £18.00 (UK Pounds), including installation instructions and technical support by e-mail/telephone
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The OBM-3 output booster module allows an MTP-9 MIDI-to-parallel circuit to switch 16 loads of up to 1.5 A each at up to 35 Volts, inductive or resistive in open-collector (pull-down) configuration. Connection is by industry-standard IDC headers which can link to the MTP-9 using 20-way flat ribbon cable. The power connection is made by high quality risig-clamp screw terminals. No soldering is required for any connections. The circuit is supplied as a single high quality glass fibre PCB measuring 81 x 48mm with four 3.2mm holes for mounting.
The price of this module is £22.00 (UK Pounds), including installation instructions and technical support by e-mail/telephone
Use the buttons below to make a purchase on-line and manage your order:
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