Mesa/Boogie Heartbreaker Specifications download pdf (Page 6)

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GETTING STARTED:

Before we get to some basic sample settings, let’s get the Recto plugged in and ready to play.

1.) Remove the plastic webbing from all of the tubes (including the preamp tubes behind the row of power tubes) and unwrap

the large 5U4 Rectiﬁer Tubes.

2.) Slowly bend the spring steel tube clamps on the two (or three) far right (when viewing amp from the rear) tube sockets up so that

the tubes will have to push the clamps open slightly as you install the tubes.

3.) Install 5U4 Rectiﬁer tubes in the far left (when viewing amp from the rear) tube sockets being careful to line up the guide pin on

the tubes base with the slot in the respective tube socket. Then gently rock the tube back and forth while pushing downward on the

tube until the tubes are seated.

4.) Connect the Footswitch DIN Cable to the DIN jack located near the center of the Rear Panel.

5.) Connect your speaker cabinet to the correct impedance Speaker Output jack located on the Rear Panel. (MESA cabinet imped-

ances are printed on the jackplate of all cabinets.) MESA 4x12 cabinets are 8 Ohm.

6.) Connect the included A.C. power cable to the A.C. receptacle located on the Rear Panel and plug the ampliﬁer into a grounded

A.C. outlet.

7.) Flip the POWER switch to the ON (up) position and wait at least 30 seconds for the power tube ﬁlaments to warm up with the

STANDBY switch in the Standby (OFF/down) position. This cold start procedure prolongs tube life substantially if it is followed each

time your ampliﬁer is powered up.

8.) Turn the OUTPUT Control off or to a very low setting before ﬂipping the STANDBY switch to the ON (up) position. This will

prevent accidental settings that are too loud for the room or your ears. These ampliﬁers are capable of extremely loud volumes

and should be used with care to avoid damage to your hearing. Starting each power up with the OUTPUT Control zeroed will

help to eliminate painful and/or embarrassing situations.

9.) Flip the STANDBY switch to the ON (up) position and enter the world of Rectosis.

Before we move on to some sample settings that will help you to better understand the nature of the beast, here are some tips that

may save you some time and answer some questions.

HELPFUL HINTS:

1.) The Rear Panel CHANNEL SELECT rotary switch must be set to FOOTSWITCH for the Footswitch to select either channels or

features.

2.) The OUTPUT Control works only when the FX LOOP is activated. Switch out of the Loop Bypass position on the Loop Assign

Rotary Control to any of the other 5 positions.

3.) The SOLO Control is activated when the Footswitch is connected to the FOOTSWITCH jack on the Rear Panel and the FX LOOP

is activated. When the footswitch is not connected the SOLO Control will have no effect on the volume level.

4.) When the FX LOOP is activated it is normal to hear the volume drop a bit. Use the SEND Level Control on the Rear Panel even

if no processor is patched in to bring the volume level back up to approximately unity gain.

FRONT PANEL: CONTROLs & FEATuREs

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Mesa/Boogie Heartbreaker Specifications Page 6