andreus A-22 Manual de operação - Página 7

Procurar online ou descarregar pdf Manual de operação para Amplificador andreus A-22. andreus A-22 13 páginas. Head and combo

6. MASTER VOLUME CONTROL –

versatile. Used in conjunction with the VOLUME control and HIGH or LOW

inputs, you can obtain varying levels of overdrive at different volumes. Full

output power can be achieved with at a setting of 8.5 - 10 Try experimenting

within this range to get subtle tonal differences.

7. STANDBY SWITCH –

When turning on the amp, make sure the STANDBY switch is in the off (down)

position. Turn on the POWER (UP position) switch first. The pilot light will light

up. Wait at least 30 seconds to allow time for the tubes to warm up completely

before turning on the STANDBY switch. After the tubes are warmed up, turn

on the STANDBY switch (UP position) to operate the amp. It is a good idea to

turn the STANDBY switch off when not using the amp for more than a few

minutes. This will quite the amp and the stop plate current from flowing in the

tubes, resulting in longer tube life.

8. POWER SWITCH –

Always turn off the POWER SWITCH when not using the amp for several hours

or more.

9. PILOT LIGHT –

bulb replacement, simply unscrew the red lens, grab the bulb with your fingers,

push in while turning counterclockwise and release. Replace with a standard #

47 bulb. For longest life a $755 bulb may also be used. The lens thread fits

many standard lamp lenses and "jewels" allowing you to customize the color if

you desire.

This switch turns on the high voltage for the tubes.

This switch turns on the main power to the amplifier.

This light indicates when the main power is turned on. For

This control is designed to be very