Master Section, AMP 2 Controls | Marshall Amplification MF350

MODE FOUR Front Panel Features - see panel page 70

	MASTER SECTION	bottom-end more full. At high gain settings the
	MASTER SECTION Controls (12 - 16) are	pre-amp valve is driven into saturation as the
	MASTER SECTION Controls (12 - 16) are	sound becomes more compressed and there is
	common to both AMP 1 and AMP 2.	sound becomes more compressed and there is
	common to both AMP 1 and AMP 2.	an increase in the aggressive high end.
		an increase in the aggressive high end.

19. VOLUME Control

This control determines how loud or quiet AMP 2 is. This control should be used in conjunction with AMP 1’s VOLUME control (6)

25. TREBLE Control

This controls the amount of treble and makes your guitar’s tone brighter as it is turned up.

ENGLISH

12. RESONANCE Control

This control operates in the power amp section of the MODE FOUR and adds a low- end breadth and ‘thump’ to your sound that cannot be produced via EQ alone. When used in conjunction with the BASS control of AMP 1

(5)or AMP 2 (20), the RESONANCE control, affects the low-end rumble and overall tightness of your sound. Higher settings will give your tone a fatter, fuller bottom end.

13.PRESENCE Control

This control also operates in the power amp section of your amp and adds high frequencies to your tone, increasing edge and bite. Higher settings will make your sound become crisper and more cutting.

14. TUNER MUTE Switch

Engaging the TUNER MUTE switch mutes the speaker outputs and line outputs of the MODE FOUR, but allows signal to pass through the TUNER OUT jack on the rear panel (see page 8) for ‘silent’ tuning.

15. SOLO LEVEL Control

This control allows you to select a volume boost on all four modes when the BOOST switch is engaged on the included footcontroller. The SOLO LEVEL control will, when switched on, cause a volume increase of up to 6dB (i.e. twice the volume).

16. MASTER Volume Control

The MASTER Volume control determines the overall volume of your amplifier. We suggest you use the AMP 1 and AMP 2 Volume Controls ((6) and (19), respectively) to set the relative volume of the two amps and then use the MASTER to adjust the overall output of your MODE FOUR.

AMP 2 CONTROLS

17. GAIN Control

This GAIN Control is shared by AMP 2’s two selectable modes, OD1 & OD2. At low gain settings the valve generated overdrive will be dynamic and punchy. Increasing the GAIN Control will make the sound thicker and the

18. TONE MATRIX

The three way rotary TONE MATRIX Switch selects one of three fully independent tone control networks.

LEVEL

100Hz	3	2	1	1kHz FREQUENCY

TONE MATRIX

Each of the three positions entirely reconfigures the tone network for three different middle frequency responses (see above graph). This is different than a parametric equalisation in that the treble and bass controls remain completely interactive with the middle control.

The three positions give very different pre- amplifier distortion tones and hence experimentation is essential. The interactivity between the three tone controls (BASS, MIDDLE and TREBLE) cannot be overemphasised as this relationship varies between the three positions and again experimentation will allow you to dial your exact signature sound as required.

TONE MATRIX Setting 1 – This has the highest mid frequency value of the three settings and produces that instantly recognisable ‘woody knock’ associated with high-gain Marshall valve amps.

TONE MATRIX Setting 2 – This tightens up the low-mid frequencies and, as a result, your tone becomes heavier with less ‘woodiness’.

TONE MATRIX Setting 3 – This is the lowest of the three settings and is also the most extreme sounding. It removes the low-mid frequencies from your sound, giving you an exaggerated bottom-end that has tremendous width and ‘thump’.

to set the relative levels of the two amps. Once this is done you can use the MASTER volume control (16) to set the overall output level of the amplifier.

20. BASS Control

This controls the amount of low frequencies (bottom end) in AMP 2’s tone. Adjusting this control in conjunction with the RESONANCE control (12) will drastically affect the size and tightness of your low end. The more BASS and RESONANCE you dial in, the fatter your bottom will become.

TONE TIP: Due to the unique nature of AMP 2’s design, the low end becomes even bigger and also has an incredible ‘thump’ at high volumes – especially when TONE MATRIX Setting 3 is selected. Adjust BASS (20) and RESONANCE (12) according to taste.

21. REVERB Control

This controls the level of the MODE FOUR’s specially designed, built-in, digital Reverb for AMP 2.

22. MIDDLE Control

This control adjusts the level of the all- important mid-range in your sound once AMP 2’s mid-frequency has been selected with the TONE MATRIX switch (18). Turning this control up will make your guitar sound fatter and fuller. Conversely, turning it down will reduce the mids in your sound, giving you an aggressive ‘scooped’ tone.

23. SCOOP Switch

This control is voiced differently to the SCOOP switch on AMP 1 and has been meticulously fine-tuned to work with the sonic characteristics of AMP 2, reconfiguring the entire post-EQ voicing to give you the most uncompromising and brutal ‘scoop’ sound.

24. FX LEVEL Control

This controls the amount of external effect that is mixed in with the dry (uneffected) signal of AMP 2. Please refer to the FX Loop section (page 8) for further details.

TONE TIP: As is the case with AMP 1, AMP 2’s tone network is highly interactive and because of this, altering one control can have a significant impact on your overall sound. As always, experimentation is the best way to achieve the tone(s) you desire.

26. OD1 Mode Select Switch

Push this switch to select the OD1 mode of AMP 2. When this mode is selected via the front panel or the supplied 6-way footcontroller, the LED within this switch will light up.

OD1 produces a modern, high gain tone with a slightly accentuated treble response and a large, tight bottom-end.

27.OD2 Mode Select Switch

Pushing this switch selects the OD2 mode of

AMP 2. When this mode is selected via the front panel or the supplied 6-way footcontroller, the LED within this switch lights up.

OD2 produces a staggering amount of gain and also boasts an incredibly full and wide low- end thump – especially when TONE MATRIX Setting 3 is selected and the MODE FOUR is at high volume.

28. POWER Switch

This is the On/Off switch for the mains power to the amplifier. When it is switched ‘On’, the switch will light. Please ensure the amplifier is switched off and unplugged from the mains electricity supply before being moved.

IMPORTANT NOTE: As is the case with an all-valve amplifier, there will be no signal heard until the amp's ECC83 pre-amp valves warm- up and start to pass signal. This can take up to 30 seconds so don't panic!