Amplifier Classes
There have been many developments in audio electronics, resulting in different amplifier circuit designs. Such designs can be divided into classes, of which 4 main types are relevant to audio – A, AB, H and D.
PPX Series Power Amplifiers
172.203UK
PPX300
19" rackmount 2U power amplifiers with fan cooling and output protection. Balanced inputs via 6.3mm jack or XLR sockets, speaker outputs on 2 SPK connectors or 4mm binding posts. Switchable ground ...
- Bridge mode for high power mono operation
- Removable handles for low profile install
- Switchable clip limiter
PPX Series Power Amplifiers
19" rackmount 2U power amplifiers with fan cooling and output protection. Balanced inputs via 6.3mm jack or XLR sockets, speaker outputs on 2 SPK connectors or 4mm binding posts. Switchable ground lift, bridge mode and clip limiter.
- Bridge mode for high power mono operation
- Removable handles for low profile install
- Switchable clip limiter
- Power supply 240Vac, 50Hz (IEC)
- Controls Level channel 1, level channel 2, ground, mode, clip limiter
- Input impedance 20k ohms
- Frequency response 5Hz - 50kHz
- Total harmonic distortion 0.05%
- Slew rate 40V/us
- Damping factor >400
- Protection Short-circuit, overload, D.C. and thermal protect
Versions
| 172.203UK | 172.206UK | |
|---|---|---|
| Power rms @ 4 Ohms | 150W + 150W | 300W + 300W |
| Power rms @ 8 Ohms | 100W + 100W | 200W + 200W |
| Power rms bridge @ 8 Ohms | 300W | 600W |
| Dimensions | 88 x 483 x 266mm (2U) | 88 x 483 x 266mm (2U) |
| Weight | 8.2kg | 8.8kg |
Support : articles
Power Ratings: RMS vs Max vs Peak
A summary explaining the key differences between RMS, Max and Peak power ratings.
Downloads
Instruction manual
For 172.203UK (273KB)
For 172.203UK (273KB)
UK Declaration of conformity
For 172.203UK (247KB)
For 172.203UK (247KB)
EU Declaration of conformity
For 172.203UK (237KB)
For 172.203UK (237KB)
