C600 vs Accuphase C-3900S
The C-3900S's signal-to-noise is 113 dB against the C600's 120 dB, its thd 0.005% against 0.002%, its output voltage 2.0V RMS against 1.5V RMS, and its input sensitivity 0.3V RMS against 1.0V RMS.
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Technical Audio Devices Laboratories (TAD) C600 is a reference-grade solid-state line preamplifier designed for ultimate audio fidelity. It employs a fully balanced dual-mono construction with symmetrical left/right circuitry to ensure precise signal transmission and resistance to external noise. Key technologies include a precision-machined 33mm thick aluminum sub-chassis weighing 15kg for superior vibration isolation, a ladder-resistance switching electronic volume control with channel matching better than 0.1dB and distortion of 0.0005% at 1Vrms, and a simple signal path with a single voltage amplification stage per channel. The dual-enclosure design separates the main unit from the power supply to minimize noise from vibrations and magnetic flux. It supports Extreme Link for multi-unit synchronization up to six channels. Inputs include 3 balanced XLR and 3 unbalanced RCA; outputs comprise 2 balanced XLR and 2 unbalanced RCA line outs, plus 1 balanced XLR and 1 unbalanced RCA tape/recording outs. Front panel features large volume and source knobs, DC-powered yellow LED display, and menu-adjustable functions like L/R balance, input levels, and mute. Originally A successor, the C700, was announced, indicating the C600 is an older model.
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
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The C-3900S's signal-to-noise is 113 dB against the C600's 120 dB, its thd 0.005% against 0.002%, its output voltage 2.0V RMS against 1.5V RMS, and its input sensitivity 0.3V RMS against 1.0V RMS.
The Grandioso C1X's thd is 0.000% against the C600's 0.002%, its output voltage 2.0V RMS against 1.5V RMS, and its weight 49.2 kg (108 lbs) against 29 kg (64 lbs). Both share signal-to-noise (120 dB).
Both turn up in the same documented systems.
The LINEb's thd is 0.003% against the C600's 0.002%, its output voltage 1.6V RMS against 1.5V RMS, and its input sensitivity 1.6V RMS against 1.0V RMS. Both share signal-to-noise (120 dB).
The L1's signal-to-noise is 130 dB against the C600's 120 dB, its thd 0.001% against 0.002%, its output voltage 8.0V RMS against 1.5V RMS, and its weight 20 kg (44 lbs) against 29 kg (64 lbs).
Audio Research Corporation Reference 10 Line Stage
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