Accuphase C-230 Preamplifier (1980s)
The Accuphase C-230 isn’t just an upgrade—it’s a refinement of high-end analog philosophy. Born in the golden era of Japanese audio engineering, this preamplifier builds on the legendary C-200 with tighter circuitry, deeper quiet, and a presence that commands any listening room. For collectors and audiophiles, the C-230 represents the quiet confidence of a brand that refuses to compromise.
Overview
Accuphase didn’t reinvent the wheel with the C-230—they re-tuned it to perfection. Taking the solid foundation of the C-200, they elevated the phono stage, smoothed the signal path, and packed in more connectivity, all while preserving the sonic purity that made their name. This is a preamp built for those who demand transparency, weight, and musical authority.
Specifications
| Model | C-230 |
| Era | 1980s |
| Type | Stereo Preamplifier |
| Phono Input | MM/MC switchable |
| Line Inputs | 6 pairs (RCA) |
| THD | < 0.008% |
| Frequency Response | 20Hz - 20kHz (+/- 0.2dB) |
| Signal-to-Noise Ratio | 87dB (MM phono) |
| Dimensions | 445 x 128 x 370mm (W x H x D) |
| Weight | 13 kg |
Features
- Enhanced phono stage - Lower noise, higher gain
- Additional inputs - Multiple line-level sources
- Improved attenuator - Smoother operation
- Tape monitoring - Three tape loops
- Balance control - Precise adjustment
Phono Performance
Spin a record, and the C-230 reveals its mastery. The phono stage is a quiet powerhouse—black backgrounds, dynamic punch, and dead-accurate RIAA equalization. Whether you’re using moving magnet or moving coil, the adjustable MC loading lets you fine-tune the match, while the high overload margin ensures transients hit with full force, never clipped or compressed.
Design
- Reportedly uses discrete components
- Separate power supply
- Star grounding
- Premium capacitors
- Champagne-gold finish
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Service Manuals & Schematics
- Manual — archive.org
Related Models
- Accuphase C-200 (1970)
- Carver C-9 (1985)
- Eico ST-84 (1957)
- Fisher RS-1056 (1978)
- Onkyo TX-6500MKII (1982)
- Luxman T-550V (1975)
- Scott LT-110B (1968)
- Dynaco PAS-2 (1960)
- McIntosh C504 (1980-1988)
- McIntosh MX113 (1967)