Marshall Studio Classic User Guide

Marshall Studio Classic User Guide

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Product dimensions

Product dimensions (height x width x depth):

• SC20H 240mm × 510mm × 240mm
  Unit weight 9.4kg

• SC20C 460mm × 510mm × 255mm
  Unit weight 14.55kg

• Accessories: power cable ×1, speaker cable (head only) ×1

WARNING! SAFETY INSTRUCTIONS

PLEASE READ THIS MANUAL CAREFULLY BEFORE PLUGGING IN. FOLLOW ALL INSTRUCTIONS AND HEED ALL WARNINGS.

Warning: before going any further, make sure that your amp is compatible with your mains electricity supply. If you have any doubt, please seek help from a qualified technician – your Marshall dealer can help you with this.

MAINS INPUT & FUSE
The specific mains input voltage rating that your amp has been manufactured for is indicated on the rear panel of the amp. Your amp is provided with a detachable mains (power) lead, which should be connected to the mains input socket on the rear panel of the amp. The correct value and type of mains fuse is specified on the rear panel of the amp.

Never attempt to bypass the fuse or fit one of the incorrect value or type.

IMPORTANT SET UP INFORMATION

1. When using your amp with one or more speaker cabinets, make sure that they are connected to the correct loudspeaker jack sockets.
   Warning: failure to do the above may damage your amp. When connecting a speaker cabinet make sure that you use a proper speaker cable. Never use a screened (shielded) guitar cable for this purpose.

2. Ensure that the power switch is set to the off position and the standby switch is set to standby.

3. Connect the supplied mains (power) lead into the mains input on the rear panel first and then into an electricity outlet.

4. Ensure that any master, volume and/or output level controls on the front panel are set to zero.

5. Plug your guitar into one of the input jack sockets on the front panel.

6. Turn the front panel power switch on and wait a couple of minutes.

7. Select between 20W / 5W using the standby switch.

8. Turn the volume up to your preferred level and you’re ready to play.

TRANSPORTING YOUR EQUIPMENT
Please ensure that your amp is switched off, unplugged from the mains electricity supply and all removable cables have been disconnected from your equipment before attempting to move it.

ENGLISH FRONT PANEL FUNCTIONS

SC20H

SC20C

1. POWER SWITCH
   This turns the amp on and off, it illuminates red when unit is turned on.

2. STANDBY SWITCH
   The unit power is in low power mode (5W) when set to low, when in the middle position it is set to standby and when set to high power the unit runs at full power (20W).
   Standby mode:
   this should be used during breaks in performances, instead of leaving the amp on full power. Always turn the power on for two minutes before using the standby switch.

3. PRESENCE
   Adjusts the high frequencies of the power amp. Increasing the high frequencies adds more bite to your sound.

4. BASS
   Adjusts the low frequencies of the amp. It will add bottom end and depth to your sound.

5. MIDDLE
   Adjusts the mid frequencies of the amp. Giving you anything from a fat and full sound to an aggressive tone.

6. TREBLE
   Adjust the upper frequencies of the amp. Your tone will get brighter as it is turned up.

7. MASTER VOLUME
   Adjust the amps output volume.

8. PREAMP VOLUME
   This will control the overdrive in the preamp. The input gain and distortion level of the amp are controlled with this.

9. HIGH INPUT
   High sensitivity guitar input socket.

10. LOW INPUT
    Low sensitivity guitar input socket.

REAR PANEL FUNCTIONS

SC20H

SC20C

1. SPEAKER OUT
   1/4” socket for 16 Ohm speaker connection.

2. SPEAKER OUT
   1/4” socket for 8 Ohm speaker connection – use this in conjunction with socket 3 when plugging in 2 x 16 Ohm cabinets.

3. SPEAKER OUT
   1/4” socket for 8 Ohm speaker connection – use this in conjunction with socket

4. when plugging in 2 x 16 Ohm cabinets.
   SPEAKER OUT
   1/4” socket for 4 Ohm speaker connection – use this in conjunction with socket 5 when plugging in 2 x 8 Ohm cabinets.

5. SPEAKER OUT
   1/4” socket for 4 Ohm speaker connection – use this in conjunction with socket 4 when plugging in 2 x 8 Ohm cabinets.
   Warning: never attempt to connect more speakers than rated. The safe combinations are those listed. Any other speaker combinations may stress the power amp and  potentially lead to valve failure.
   Note: never use this amp without a speaker load.

6. DI OUTPUT
   Connect your amp to an external recording device or sound desk using this output socket.
   Note: the DI output has added loudspeaker emulation.

7. LOOP SWITCH
   This turns the effects loop of the amp on or off to completely remove the loop from the signal path when

8. EFFECTS LOOP SEND
   Sends signal to effects loop / outboard equipment.

9. EFFECTS LOOP RETURN
   Returns signal from effects loop or outboard equipment.

10. POWER INLET
    The supplied mains power lead is connected here.

Whilst the information contained herein is correct at the time of publication, due to its policy of constant improvement and development,
Marshall Amplification Plc reserves the right to alter specifications without prior notice.

Marshall Amplification Plc, Denbigh Road, Bletchley, Milton Keynes, MK1 1DQ, England. Tel: +44 (0) 1908 375411. Registered in England. Registered Number: 805676.

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