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AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$325
Around — community and catalog average, updates slowly
About the RB-1050
The RB-1050 is a two-channel, high-current Class AB power amplifier designed for stereo playback and custom or distributed-audio installations. It delivers 70 watts per channel into 8 ohms and includes individual input-sensitivity adjustments, signal-sensing auto-on circuitry, buffered line-level outputs for daisy-chaining amplifiers, 12-volt trigger connections, and front-panel clipping and protection indicators.
Specifications
Type: Two-channel power amplifier; Output power: 70 W/channel into 8 Ω, both channels driven, 20 Hz–20 kHz, 0.06% THD; THD: 0.03% maximum at rated power (per manufacturer specifications); Frequency response: 10 Hz–100 kHz (±1 dB); Damping factor: 500 (8 Ω); Input sensitivity/impedance: 1.0 V / 33 kΩ; Signal-to-noise ratio: 116 dB (IHF A); Power consumption: 250 W; Connections/features: stereo line-level input and buffered line-level output, 12 V trigger, signal-sensing auto-on, individual sensitivity adjustments; Dimensions (W × H × D): 433 × 92 × 334 mm; Net weight: 8.1 kg