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.
QP Series Quad Power Amplifiers
172.243UK
QP2320
A range of quad power amplifiers with 4 fully independent channels and individual volume controls. Fully balanced line inputs and parallel outputs allow signal daisy-chaining to further amplifiers....
- Fully balanced signal path
- Stable down to 2 Ohms
- 2U rack-mountable
QP Series Quad Power Amplifiers
A range of quad power amplifiers with 4 fully independent channels and individual volume controls. Fully balanced line inputs and parallel outputs allow signal daisy-chaining to further amplifiers. Designed as a cost effective and efficient solution for multi speaker installations where sound quality is paramount.
- Fully balanced signal path
- Stable down to 2 Ohms
- 2U rack-mountable
- Speaker : outputs 4 x SPK connectors
- Power supply 230Vac, 50Hz (IEC)
- Input : line 4 x XLRF balanced
- Output : line 4 x XLRM (parallel from inputs)
- Input impedance 20k Ohms
- Frequency response 5Hz - 50kHz
- THD 0.05%
- Slew rate 40V/usec
- S/N ratio 103dB
- Controls 4 x channel gain
- Circuit protection Short-circuit, DC, overload, soft-start
- Dimensions 483 x 439 x 88mm
Versions
| 172.241UK | 172.243UK | |
|---|---|---|
| Fuse rating | F8A | F12A |
| Power rms @ 8 Ohms | 4 x 200W | 4 x 300W |
| Power rms @ 4 Ohms | 4 x 300W | 4 x 450W |
| Power rms @ 2 Ohms | 4 x 400W | 4 x 580W |
| Weight | 22kg | 23.5kg |
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 172.243UK (395KB)
For 172.243UK (395KB)
UK Declaration of conformity
For 172.243UK (252KB)
For 172.243UK (252KB)
EU Declaration of conformity
For 172.243UK (240KB)
For 172.243UK (240KB)
