Vintage RG Dynamic Range Processor
All pre-owned product is tested in our service department and have been passed for sale... and comes with a 90 day warranty!
In good condition - Cabinet has seen a bit of wear, but this still works great! Original box and packing are NOT included, but we will pack carefully.
Very cool unit! Circa 1981-83. See last image for specs.
From Pioneer:
Broadens Dynamic Range: The dynamic range of the music source can be expanded by employing the RG-9 as a stereo system adaptor unit. No preprocessing is needed and only ordinary program sources, such as records, FM broadcasts or tape music, are required. The dynamic range is broadened by upward and downward expansion, resulting in a powerful and sharp rendition of the source. This has the effect of bringing performers right into the listening room, and especially pulsive sources such as rock and soul are given a broad new dimension.
Preserves Natural Impression: Attack and release characteristics of the audio signal are preserved by a fast and slow response (mixed) double action control signal that prevents unnatural impressions in the reproduced sound.
Noise Reduction Effect: A noise reduction effect is also included which reduces underlying source noise. Tape hiss, motor rumble and other background noises are reduced by the circuit properties of this unit, so that low noise, exciting stereo sound can be enjoyed.
Faithful Reproduction Function: The sensor section which produces the control signal is provided with an energy distribution filter, to ensure that the expansion function is not trigged by noise components. However, expansion is not limited to instruments, whose fundamental frequency is close to the center frequency of the energy distribution filter, since all musical instruments produce harmonics which are strongest when the instru ment is played hard. Hence these harmonics activate the sensing circuit and control the degree of expansion, so that lower frequency instruments are also enhanced.5-Stage Dynamic Expansion Selector: The expansion in the dynamic range can be switched in 3dB steps from 4dB to 16dB with this 5-setting selector. By combining the upward and downward expansion, it is possible to produce the optimum expansion in the dynamic range and also to select the expansion according to the music source and your individual taste.
The processor has been slimly designed with the dynamÂic expansion meter, which employs a Fluoroscan display, in the center for a clean, fresh look.
