RG1 vs RG2
The RG2's thd is 0.050% against the RG1's 0.100%, its weight 4.4 kg (10 lbs) against 5.3 kg (12 lbs), and its depth 336 mm against 318 mm. Both share signal-to-noise (100 dB).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Pioneer RG-1 Dynamic Processor, produced around 1975-1977, is a stereo equipment up-dater that expands the dynamic range of audio sources and provides noise reduction simultaneously. It addresses modern recording techniques that reduce dynamic range by compressing loud levels and manipulating soft levels. The RG-1 restores and enhances the original dynamic range, scrubbing out tape hiss, record surface noise, and other unwanted noises without affecting musical content. It features a Dynamic Expansion Selector switch that automatically controls the attack and release times of musical notes for balanced and dynamic reproduction. The unit includes large twin VU meters for monitoring effects and has simplified controls with one stereo set of input and output terminals, making it easy to integrate into any stereo setup. It is compatible with Pioneer's SX-xx50 series and includes a tape monitor loop, variable input level, bypass switch, and stepped dB range expansion (+6, 8, 10, 12, 14 dB). The RG-1 is housed in a metal case with dimensions approximately 13.75 x 5.5 x 12.5 inches and consumes about 15 watts of power. It is known for delivering a warm, analog sound and can also add a 'glue' effect similar to classic mixing consoles when set to the right input level.
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the RG1 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The RG2's thd is 0.050% against the RG1's 0.100%, its weight 4.4 kg (10 lbs) against 5.3 kg (12 lbs), and its depth 336 mm against 318 mm. Both share signal-to-noise (100 dB).
Both turn up in the same documented systems.
The G-120A's thd is 0.005% against the RG1's 0.100%, its output impedance 500Ω against 300Ω, and its weight 5.2 kg (11 lbs) against 5.3 kg (12 lbs). Both share signal-to-noise (100 dB).
The 3BX II's output impedance is 100Ω against the RG1's 300Ω, its weight 5.44 kg (12 lbs) against 5.3 kg (12 lbs), and its height 95.25 mm against 140 mm. Both share thd (0.100%).
The DiVA AVR280's thd is 0.200% against the RG1's 0.100%, its weight 15.9 kg (35 lbs) against 5.3 kg (12 lbs), and its height 145 mm against 140 mm. Both share signal-to-noise (100 dB).
The specs and the pairings above are open to everyone. Sign up and you get the system builder, the assistant, a compatibility check against the gear you already own, and a watch on this product so a price or pairing change reaches you.
Sign up free