Mesa/Boogie Heartbreaker Specifications download pdf (Page 10)

PAGE 6

CONTROLS:

GAIN:

This control adjusts the predominant gain stage in each channels’ circuit with the function and taper being optimized for

each individual channel. Remember that your Recto is really three separate multi-mode ampliﬁers built onto one chassis, so though

each channel looks identical, the GAIN Control for each channel comes in a different place and adjusts a different point in that chan-

nels circuit.

In most guitar ampliﬁers, and especially in all-tube circuits, the GAIN Control is the most powerful control in the preamp. It shapes the

overall style and character of the sound and is responsible for whether

the sound is clean, overdriven or anywhere in between. In your Recto,

the GAIN Control is even more powerful. It not only determines the

amount of drive, but also acts as an integral part of the tone control

string as well.

To simplify the GAIN Controls’ role in shaping the overall tone of the

sound we will look at it in two ways - 1; alone and 2; in conjunction with

the tone controls.

1) By itself the GAIN Control has basically three tonal regions -

Low (7:00 - 11:00) provides the cleanest, least saturated sounds and in

this region the sound will be brighter and contain more upper harmonics

lending a three dimensional character to the sound.

Middle (11:15 - 2:00) enhances the saturation and replaces some of the upper harmonics with a richer, warmer quality and a fuller

bottom end response. Not yet fully saturated, this region is the easiest place to get a great sound in all three channels. This region

contains many of the Recto’ best sounds...especially for soloing due to the crucial blend of an expressive attack combined with ample

sustain.

High (2:15 - 5:00) saturates the signal and enhances low and low mid frequencies. While this region provides the maximum saturation

and therefor sustain, it also compresses and softens the attack characteristics. For this reason we suggest using this higher region

of the GAIN Control sparingly and only when maximum sustain is needed.

NOTE: Due to the Rectos’ extreme gain potential, the highest regions of the GAIN Control may possibly push the pre-amp tubes past

what they can handle, producing microphonic squealing. While we screen and test the tubes your ampliﬁer was shipped with and the

tubes in your amp passed our rigourous test, we can’t predict how the tubes will respond over time exposed to extreme gain settings.

Your tubes are warranted for a period of 6 months under normal use, but you can save yourself the present and future inconvenience

of having to deal with annoying microphonic tube problems by simply using a little common sense...Don’t turn the Gain all the

way up!

If you must for a speciﬁc part or at very low volumes, back down the TREBLE and PRESENCE Controls. Your Recto was designed to

provide amazing gain and tone at less than extreme settings removing the need for you to crank everything all the way up. If you are

not able to achieve the sound you want at sensible settings on any or all of the controls, your problem may lie elsewhere in the signal

chain, i.e. pick-ups, cabinetry, processing etc. Keep in mind you can always call on one of our product specialist Monday through

Thursday and seek some advice should you ﬁnd yourself struggling to get the sound you want.

INPUT

CH1

CLEAN

PUSHED

GAIN

TREBLE

REGIONAL TITLES ARE THE SAME FOR ALL

3 GAIN CONTROLS

Brightest

Most Balanced

Warmer & Saturated

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 44 45

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Mesa/Boogie Heartbreaker Specifications Page 10

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