Optonica RT-6105 Stereo Cassette Deck

This Optonica RT-6105 is a stereo cassette deck with Dolby B noise reduction, it was first sold by Optonica in 1979 with a list price of USD $290 and discontinued 2 years later in 1981.

The main features of the Optonica RT-6105 cassette deck are: 2 heads, mechanical 3 digit tape counter, manual tape type selection and capable of handling normal, chrome, ferro-chrome and metal tapes with additional manual equalization selection, belt driven single-capstan transport.

Typical front loading cassette deck with the cassette compartiment located on the left side of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well.

Level meters used on the Optonica RT-6105 cassette deck are generic digital peak reading meters with peak hold for easy adjustment of optimum recording level. Mechanical transport controls for reliable Optonica RT-6105 transport function selection.

The Dolby-B system reduces tape hiss on tapes recorded on the Optonica RT-6105 by as much as 10 dB at the highest frequencies.

To make live recordings this deck has 2 microphone inputs to connect microphones with a jack connector. For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable.

• APLD (Auto Program Locate Device)
• OPTO (OPTO Peak Level Display)