USER MANUAL 427 SMALL BLOCK • 550 SPYDER • 550 TOURING • BTA 200/300/400 • LITTLE BASTARD
VALVE BASS AMPS USER MANUAL 427 SMALL BLOCK • 550 SPYDER • 550 TOURING • BTA 200/300/400 • LITTLE BASTARD WELCOME TO ASHDOWN VALVE BASS AMPS Thank you for choosing an Ashdown Valve Series amplifier. To ensure that you receive the full benefits of the Ashdown warranty, please register your amplifier at www.ashdownmusic.com WARRANTY Your amplifier is covered by a one year warranty, against defects in materials and workmanship, for the original purchaser.
Do not place the amplifier in such a position where it may get splashed with liquid or water, e.g. near tables of drinks or near equipment that contains water, e.g. smoke and bubble machines The lightning flash within a triangle is intended to alert the user to the presence of un-insulated dangerous voltage within the product enclosure that may be of sufficient magnitude to constitute a risk of electric shock. Never stand bottles or containers of liquid on the amplifier.
VALVE BASS AMPS USER MANUAL 427 SMALL BLOCK • 550 SPYDER • 550 TOURING • BTA 200/300/400 • LITTLE BASTARD 427 SMALL BLOCK HEAD FRONT PANEL REAR PANEL FRONT PANEL FACILITIES INPUTS - There are two instrument inputs marked LOW and HIGH. The LOW input is high sensitivity and also high impedance to suit the output from PASSIVE (Low Output) basses. The HIGH input is low sensitivity and lower impedance to suit the output from ACTIVE (High Output) basses.
50 SPYDER HEAD AND TOURING COMBO MIDDLE INPUTS LOW HIGH BASS TREBLE MASTER GAIN EFFECTS SEND RTN MID SHIFT BASS SHIFT BRIGHT MUTE PRE POST OUTPUT FRONT PANEL REAR PANEL (SPYDER HEAD) REAR PANEL (TOURING COMBO) INTRODUCTION The 550 touring and spyder are hybrid amplifiers that feature a valve preamp with two ECC 83 (12AX7) valves and the semiconductor power section from the world renowned ABM 500. The preamp has a tube driven effects loop and a totally passive eq.
VALVE BASS AMPS USER MANUAL 427 SMALL BLOCK • 550 SPYDER • 550 TOURING • BTA 200/300/400 • LITTLE BASTARD BTA 200/300/400 HEADS FRONT PANEL REAR PANEL FRONT PANEL FACILITIES INPUTS - There is a single instrument input provided linked to a PASSIVE/ACTIVE selector switch. The Passive input (switch out) is high sensitivity and also high impedance to suit the output from PASSIVE basses. The Active input (switch in) is low sensitivity and lower impedance to suit the output from ACTIVE basses.
COMPRESSION – Adding a small amount of compression gives a fat bottom end to the sound and allows a greater volume of amplification to be used without the playing peaks distorting the amplifiers output stage. You will also find that this will add definition to your playing bringing out notes within a run more clearly as it evens out the dynamics of your playing.
VALVE BASS AMPS USER MANUAL 427 SMALL BLOCK • 550 SPYDER • 550 TOURING • BTA 200/300/400 • LITTLE BASTARD LITTLE BASTARD HEAD FRONT PANEL I o REAR PANEL INTRODUCTION VOLUME - This controls the overall output of the amplifier. The Little Bastard is a 30w all valve bass head mainly designed for recording and playing at home it features a two ECC83 valves in the preamp, an ECC82 as a driver valve and four El84 in the output.
RECORD YOUR INFORMATION You should us this space to record all the important information off the rear panel of your amplifier for future reference.
VALVE BASS AMPS USER MANUAL 427 SMALL BLOCK • 550 SPYDER • 550 TOURING • BTA 200/300/400 • LITTLE BASTARD CABINET CONFIGURATIONS 427 SMALL BLOCK / BTA SINGLE 4 CABINET SINGLE 8 CABINET DUAL 8 CABINETS QUAD 8 CABINETS DUAL 4 CABINETS
CABINET CONFIGURATIONS LITTLE BASTARD SINGLE 4 CABINET SINGLE 8 CABINET DUAL 8 CABINETS WARNING Ashdown BTA, 427 Small Block and Little Bastard bass amps feature valve output stages. It is therefore important to connect the speaker cabinet(s) correctly before switching the amplifier on. Switching the amplifier on without the speaker cabinet(s) connected can cause damage to the amplifier. Damage caused by the failure to correctly connect speaker cabinets is not covered under warranty.
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