A Marshall 4X12 is a power amp and speaker cabinet. These are mainly for electric Guitars and bass guitars. This particular model is sized at 4 x 12".
I use mine to power a 4X12 Ampeg 200 Watt
He uses a Marshall DSL100 amplifier with two 300-Watt Marshall 1960A Angled-Front 4x12 Cabs and in these cabinets there are 75-Watt Celestion G12-T75 Speakers.
-48
48
I think 144
A Marshall head is used as an amplifier device. Marshall amplifiers are very popular among musicians. These items can be purchased online from several stores.
the answer is 48
22
It is an electronic device. A sort of one way valve for electricity.
1x48 2x24 4x12 6x8
1 foot = 12 inches. 4 feet = 4X12 inches. 4X12 = 48 inches. Therefore, 4 feet = 48 inches.
A CCD is a Couple-charged device. It has uses for everything from architecture design to astronomy.