Parasound HCA-1500A High Current Power Amplifier designed by John Curl
- THX certified by Lucasfilm Ltd.
- Independent power supplies for each channel
- 1 kVA toroid power transformer
- 60,000 µF computer-grade capacitors in power supply
- Polystyrene film bypass capacitors in power supply
- DC Trigger Auto On Feature
- Cascoded Class A input stages with matched J-FET pairs
- Handpicked complementary MOSFET transistors in high voltage driver stage
- 8 complementary pairs of 15 ampere 50 MHz output transistors
- Output transistors direct-coupled to speakers without LRC networks
- DC servo direct-coupled audio circuits with 0.8 Hz rolloff
- High-bias Class A/AB operation
- Gold-plated metal structure RCA input jacks
- Gold-plated looping output jacks
- Multiple temperature sensors and silver-cadmium relay protection
- Glass epoxy circuit boards, double-sided for precision
- Custom designed audiophile-grade AC power cord
- Multiple Protection Circuits
| General |
| Period |
1997 - 2004
|
| Amplifier |
| Power Output (8Ω x 2) |
205WRMS x 2, 20Hz-20kHz, both channels driven
|
| Power Output (4Ω x 2) |
315WRMS x 2, 20Hz-20kHz, both channels driven
|
| Power Output (8Ω x 1) |
630WRMS, 20Hz-20kHz
|
| Frequency Response |
5Hz – 100kHz / +0dB, -3dBat 1 watt
|
| Damping Factor |
80020Hz
|
| Inputs |
| Outputs |