v. 22.june.
OWNER'S MANUAL 1. INTRODUCTION Congratulations on purchasing one of the world’s best bass amplifiers! Markbass amps are built to the highest standards by a small team of skilled technicians in San Giovanni Teatino, Italy. We have spent many years researching not only the highest-quality technologies for bass amp design and construction, but also the practical needs of the working bassist.
1.1 A WORD FROM MARCO DE VIRGILIIS When I began to develop the Markbass concept in Italy several years ago I had one objective in mind: to produce a top-quality bass amp that would meet the needs of professional bass players everywhere. I wanted my amps to be compact and lightweight, yet able to handle the low frequencies that today’s four, five and six string passive and active basses are capable of producing.
2. 1) 2) 3) 4) 5) 6) 7) 8) 9) IMPORTANT SAFETY INSTRUCTIONS Read these instructions; Keep these instructions; Heed all warnings; Follow all instructions; Do not use this apparatus near water; Clean only with dry cloth; Do not block any ventilation openings.
3. CLASSIC 300 PRODUCT OVERVIEW The Classic 300 is a high-quality all-tube bass amplifier, which delivers 300W of power into a 4 or 2 ohm cabinet or 175W into an 8 ohm cabinet. 3.1 Classic 300 Front Panel 3 1 2 4 5 6 7 8 9 10 11 12 13 14 INPUT The input jack (1) can be used for both passive and active basses. GAIN and MASTER There are two knobs on the front panel of the Classic 300 that control the volume of your bass.
STANDBY This button (12) is a standby control that puts the amp into low consumption mode, which is useful when the head is momentarily not in use. It is not necessary to start the amp in standby mode. The amp is automatically muted while it starts up. FOOTSWITCH The Classic 300’s optional footswitch has one on/off switch. This is a mute control that interrupts the output signal from your amp, but allows it through to a tuner, should you have one plugged into the rear panel.
Equalization should be treated as fine-tuning. Spend some time listening to your bass through the amp with all the EQ controls in the neutral (12 o’clock) position before you start changing the settings. You’re likely to need little or no equalization! However, if and when equalization is required, this amp's EQ should allow you to find the sound you want. The LOW (4) EQ control is set to a center frequency of 80 Hz.
3.2 Classic 300 Rear Panel 24 14 15 16 17 18 19 20 21 22 23 LINE OUT The balanced XLR (15) output allows you to connect your amplifier directly to a mixing console (either in live situations or in a recording studio) without the need of a DI box. Simply connect a standard XLR cable from this output to the soundboard/mixing console, or a snake connected to the board/console.
SPEAKER OUT The Classic 300 can be connected to speaker cabinets using either 1/4” speaker cables (do not use instrument cables) or speakon speaker cables. The first high-quality Neutrik SPEAKON COMBO jack (22) can be connected to a 4 or 8 ohm load. The second Neutrik SPEAKON COMBO jack (23) can be connected to a 2 ohm load. WARNING: never use both jacks together! If you want to use two 8 ohm cabinets, connect one directly to the 4/8 ohm jack (22) and then link the second cabinet to the first.
3.3.2 CLASSIC 300 TROUBLESHOOTING Error: the amplifier doesn’t start-up Warning: the amplifier keeps functioning Message: operating messages Display Message Power supply failure! Amplifier failure! Cabinet not connected! Type Error Error Error (until you connect a cabinet) Error (until you connect correctly to a suitable cabinet) Error (until the temperature decreases) Explanation The power supply has failed. Contact an authorized technician for repair. The power amplifier has failed.
3.4 CLASSIC 300 TECHNICAL DETAILS INPUTS INPUT RETURN EFFECT CONTROLS GAIN LINE OUT PRE/POST EQ (for line out) GROUND LIFT MASTER VOLUME impedance: 500 Kohm, max. voltage: 5 Vpp impedance: 22 Kohm, max. voltage: 15 Vpp -60 dB to +35 dB range level control on front panel switch on rear panel switch on rear panel OTHER HEIGHT WIDTH DEPTH WEIGHT OUTPUT POWER POWER REQUIREMENT TUBE 12.44 in. / 31.6 cm 19.76 in. / 50.2 cm 11.65 in. / 29.
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Product speci¿cations are subject to change without notice Italy - 66020 San Giovanni Teatino (Ch) - Via Aterno, 44 - Tel. +39 085 446 5705 - Fax +39 085 440 7399 - www.markbass.it - info@markbass.
