Graham Audio LS4/4
Image source — © Graham Audio
What is it?
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Model name
LS4/4
Frequency Response low +/- 3dB (Hz)
40
Frequency Response high +/- 3dB (Hz)
20 000
Sensitivity (dB at 1 W/1m)
88
Impedance (Ohms)
8
Power amplifier requirements (W)
50 - 200
Has internal amplification
N/A
Internal amplification power (W)
N/A
Size (sm)
31 × 110 × 48
Weight (kg)
45
Official link
VOTU has two 10" (254 mm) drivers that deliver bass from the very bottom up to 800 Hz, then a 3" soft dome emitter comes into play, covering the entire critical midrange range up to 4 kHz, and then a powerful 34 mm soft dome tweeter takes over. The MF dome is located above the tweeter to improve their integration.
This is the outdoor version of the LS8/1 model. It retains all the advantages of its predecessor, but it has increased the volume, so it is much easier for speakers to reproduce basses.
The Graham Audio C5/9f was developed by Derek Hughes based on the iconic BBC LS5/9 model, which was redesigned as a floor mount. Frequency response is extended by 5 Hz "down", additional case damping is added
The Graham Audio LS5/5f is a speaker system that was first developed for the BBC in 1967, and received an update in 2022.
The model is designed to fill medium and large spaces with sound. The frequency range is from 37 to 18,000 Hz.