Alphasonik PMA1000DE, PMA1200DE manual Combination Series and Parallel

4	4
Dual	Dual	Amplifier
4-ohmcoils	4-ohmcoils
in series	in series
4	4

Combination Series and Parallel:

Example :

Series: The voice coils of each Dual 4-ohm speaker to yield 8-ohm speakers. R1 + R2 = 4 + 4 = 8 ohms (for each speaker)

THEN

Parallel: These two 8 ohm speaker to yield 4-ohm system total.

1	= 1		= 1 = 4 ohms
1 + 1	1 + 1		0.25
R1 R2	8	8

44

Dual	Dual	Amplifier
4-ohmcoils	4-ohmcoils
in Parallel	in Parallel

44

Combination Parallel and Parallel:

Example :

Parallel: The voice coils of each Dual 4-ohm speaker to yield 2-ohm speakers.

1	= 1		= 1 = 2 Ohms (for each speaker)
1 + 1	1 + 1		0.5
R1 R2	4	4

THEN

Parallel: These two 2 ohm speaker to yield 1-ohm system total.

1 =	1		= 1	= 1 Ohm
1 + 1+	1 + 1		1
R1 R2	2	2		14