C28 vs C30
The C30's signal-to-noise is 90 dB against the C28's 78 dB, its thd 0.007% against 0.100%, and its output voltage 2.0V RMS against 2.5V RMS. Both share mm gain (62 dB).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPre-AmplifiersDiscontinued
Estimated price (community-sourced)
$1,700
Around — community and catalog average, updates slowly
About the C28
The McIntosh C-28 is a high-quality solid-state preamplifier produced from 1970 to 1978. It features a frequency response of 20 Hz to 20 kHz, total harmonic distortion of less than 0.1%, and a gain of 62 dB for moving magnet inputs. It includes multiple inputs such as phono, tape, and microphone, along with outputs for main speakers and tape recording. The C-28 is often paired with McIntosh power amplifiers like the MC2505 or MC2105.
Specifications
Analog Output
Analog signal output specifications
- THD
- 0.100%
- SNR
- 78 dB
- Output Voltage
- 2.5V RMS
Connectivity
Input and output connections
- Digital Inputs
- phono, tape, microphone
- Analog Inputs
- main speakers, tape recording
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions