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.
PL Series 1U Digital Amplifiers
172.111UK
PL720
Super compact and lightweight stereo power amplifiers in a 1U rack-mountable housing. Fully digital architecture provides high power output and efficiency with inbuilt protection circuitry. Signal ...
- Cutting edge class D architecture
- Compact and lightweight
- Fan cooling and internal protection circuitry
| Description | |
|---|---|
|
172.111UK
PL720 Class D Amp 1U 2 x 360W |
PL Series 1U Digital Amplifiers
Super compact and lightweight stereo power amplifiers in a 1U rack-mountable housing. Fully digital architecture provides high power output and efficiency with inbuilt protection circuitry. Signal inputs are balanced combo jack/XLR connectors and speaker outputs are provided as locking SPK or 4mm binding posts. Easy portability makes these amplifiers well-suited for mobile sound systems without compromising quality of the audio output.
- Cutting edge class D architecture
- Compact and lightweight
- Fan cooling and internal protection circuitry
- Input connections Combo jack/XLR balanced (L+R)
- Output connections SPK (L+R) + 4mm binding posts (L+R)
- Frequency response 20Hz - 20kHz (±0.5dB)
- THD +N <0.05%
- Damping factor 300
- S/N ratio (A weighted) : line 100dB
- Slew rate 20V/us
- Input impedance 10k Ohms unbalanced, 20k Ohms balanced
- Output circuit architecture Class D
- Protection Temperature, short circuit, DC, overload
- Indicators Power, signal, clip
- Controls L+R level, power on/off, bridge/parallel/stereo, ground lift
- Dimensions 482 x 180 x 44mm
Versions
| 172.111UK | |
|---|---|
| Power supply | 115/230Vac, 50/60Hz (IEC) |
| Fuse | T5AL (230V) / T10AL (115V) |
| Output power : 4 Ohms | 2 x 360Wrms |
| Output power : 8 Ohms | 2 x 200Wrms |
| Output power : bridged @ 8 Ohms | 720Wrms |
| Weight | 2.6kg |
Support : articles
Power Ratings: RMS vs Max vs Peak
A summary explaining the key differences between RMS, Max and Peak power ratings.
In the box
The box for this item contains :
- PL series stereo class D power amplifier
- IEC power lead(s)
Downloads
Instruction manual
For 172.111UK (215KB)
For 172.111UK (215KB)
UK Declaration of conformity
For 172.111UK (245KB)
For 172.111UK (245KB)
EU Declaration of conformity
For 172.111UK (237KB)
For 172.111UK (237KB)
