Mesa/Boogie Heartbreaker Specifications download pdf (Page 14)

PAGE 10

OUTPUT CONTROL: (Continued)

Therefore, we recommend selecting Channel 1 when you wish to use the Recto as a power amp.

The more conventional power sensitivity of this channel will be the most compatible with external sources. Also, using Channel 1 in a

power-only application means that the PRESENCE Control will be active which allows you to tailor the power voicing to your speciﬁc

tastes. If you do need the extra sensitivity that Channel 2’s MODERN mode produces for a source that is unusually weak, it is there

if you need it. The PRESENCE Control will not have any effect on the sound as it switches with the mode change to an earlier stage

in the pre-amp.

5.) The EFFECTS MIX Control must be set to 90%.

SOLO CONTROL:

This control can only be activated if the correct Footswitch is connected to the Footswitch DIN

jack. SOLO is an additional ﬁnal output level control wired in parallel with the OUTPUT Control. It is capable of a setting above that

of the OUTPUT Control and can not be set below. The amount of apparent boost also depends on that of the OUTPUT Control - in

that if the ampliﬁer is at either the extreme low or extreme high levels of the OUTPUT, its effective-

ness is minimized. It has been optimized for live performance volume levels.

If the power section is either not a part of the sound (super quiet), or producing all its rated wattage

(super loud), there is very little signal for the SOLO control to work with. By using the Footswitch and

selecting SOLO, a pre-settable boost in overall levels is possible on the ﬂy...giving you some control

over your levels when it’s time to step out. Engineers may give you a bit of a frown the ﬁrst time you use it...but isn’t it time you heard

yourself. It might even prevent them from punishing you with the dreaded monitor or sideﬁll version of your tone.

STANDBY:

Perfect for set breaks...this toggle switch also serves an even more important purpose. In the Standby position

the tubes are at idle so that during power up they may warm up before being put to use. Before power is switched on make sure the

STANDBY switch is in the Standby position.

Wait at least 30 seconds and then ﬂip the STANDBY switch to the ON position. This prevents tube problems

and increases their toneful life substantially.

POWER ON:

This switch delivers the A.C. power to the Recto. Make sure the unit is grounded (all three terminals of the

A.C. power cord must be connected whenever possible to avoid injury to the user as well as to the unit) and that the proper voltage

is present.

Follow the cold start procedure described in the ON/ STANDBY section above when powering up your new

Recto.

The Controls:

(Continued)

HEAD

SOLO

OUTPUT

PRESENCE

BASS

POWER

STANDBY

POWER

STANDBY

POWER

STANDBY

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Mesa/Boogie Heartbreaker Specifications Page 14

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