Saturday, July 22, 2017

Pleiades K117 cable pre preamplifier with Sennheuser MD21 and iPad


The color of the cable is red, video cable, slightly longer than a meter.


On one side is the mini Tuchel connector. Inside the mini Tuchel connector is the Pleiades K117 low noise pre preamplifier. It consists of only a K117 JFET and a 230Ω source resistor.


The other dude if the cable is connected to a 1/8in mini jack. It can be connected to any mic input supplying power to electret condenser microphones.


Connection to iPad is made via a Y headphone, mic to combined headphone mic 4 pin adapter.


The Sennheuser MD21 HL microphone was connected taking full advantage of the high steeped up signal from the internal sept up transformer. The Pleiades K177 matches Aldo the high impedance to low to drive the iPad.


Sound quality is great. Undetectable hiss,


Signal path:


Kitchen with tiles and doors closed - male voice singing Πως θα ήταν - Sennheiser MD21 HL at 1 in - Pleiades K117 cable pre preamplifier - Y adaptor  - iPad GarageBand - Sennheiser HD580




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