S P E A K E R S E L E C T I O N / V O L U M E C O N T R O L S Y S T E M
Tube Amplifier
150 
150
Figure 1
Using a
Tube Amplifier
150Ω 5 Watt Resistor
Niles SVL-4AB
Niles Audio Corporation,
| AMPLIFIER |
|
| SPEAKER 4 |
|
| SPEAKER 3 |
|
| SPEAKER 2 |
|
| SPEAKER 1 |
| |||||
L+ | L- | R- | R+ | L+ | L- | R- | R+ | L+ | L- | R- | R+ | L+ | L- | R- | R+ | L+ | L- | R- | R+ |
ON OFF
CONSTANT
PROTECTION
Miami, Florida USA
7