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Crate Amplifiers BV120H manual

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Table of contents for the manual

  • Page 1

    User ’ s Guide All T ube Guitar Amplifier[...]

  • Page 2

    BV120H All Tube Guitar Amplifier IMPORT ANT SAFETY INSTRUCTIONS • READ, FOLLOW , HEED, AND KEEP ALL INSTRUCTIONS AND W ARNINGS. • DO NOT OPERA TE NEAR ANY HEAT SOURCE AND DO NOT BLOCK ANY VENTILA TION OPENINGS ON THIS APPARA TUS. FOR PROPER OPERA TION, THIS UNIT REQUIRES 3” (75CM) OF WELL VENTILATED SP ACE AROUND HEA TSINKS AND OTHER AIR FLOW[...]

  • Page 3

    3 BV120H All Tube Guitar Amplifier Introduction: The BV120H is an all-tube, feature-packed professional stage performers' amplifier . Rugged construction, reliable American craftsmanship and two powerful channels of pure tube power are some of the trademarks of this new and impressive piece of musician's equipment. This amplifier features[...]

  • Page 4

    4 BV120H All Tube Guitar Amplifier The Front Panel: 1. POWER: This switch applies AC volt- age to the amplifier , and should always be turned on first . The switch illuminates when the AC power is on. 2. ST ANDBY : This switch activates the amplifier , and should always be turned on last . The switch illuminates when the high voltage power is passi[...]

  • Page 5

    5 BV120H All Tube Guitar Amplifier 19 1 9 20 2 0 21 2 1 22 2 2 23 2 3 24 2 4 26 2 6 27 2 7 25 2 5 The Rear Panel: 19. IMPEDANCE SELECT OR: For the best performance and least strain on your amplifier , you MUST properly match the impedance of your amplifier to that of your speaker cabinet(s). Set the selector switch to the 8 or 16 ohm position, depe[...]

  • Page 6

    6 BV120H All Tube Guitar Amplifier Important Information About T ubes And T ube Products: A Brief History Of The T ube: In 1883, Edison discovered that electrons would flow from a suspended filament when enclosed in an evacuated lamp. Y ears later , in 1905, Fleming expanded on Edison's discovery and created the "Fleming V alve". The[...]

  • Page 7

    Important Information About T ubes And T ube Products (Continued): The Nature Of T ubes: Why (And When) T o Replace Them: T ubes are made up of a number of fragile mechanical components that are vacuum-sealed in a glass envelope or bubble. The tube's longevi- ty is based on a number of factors which include how hard and often the amplifier is [...]

  • Page 8

    Important Information About T ubes And T ube Products (Continued): Survival T ips For T ube Amplifiers: T o prolong tube life, observe these tips and recommendations: • Match the impedance of your speaker cabinet(s) to your amplifier . Improper impedance matching will contribute to early tube degradation and may cause premature tube failure. • [...]

  • Page 9

    BV120H All Tube Guitar Amplifier 9 Some Suggested Settings: (as needed) (as needed) (as needed) (as needed) (as needed) (as needed) (as needed) (as needed) (as needed) (as needed) (as needed) (as needed) ROCK RHYTHM: MASSIVE MET AL: CRUNCHY EDGE: F A T CLEAN: SP ARKLING CLEAN:[...]

  • Page 10

    BV120H All Tube Guitar Amplifier System Block Diagram: INPUT MID BASS TREBLE LEVEL REVERB LEVEL 1 REVERB LEVEL 2 PRESENCE SEND RETURN EFFECTS LOOP TUBE STAGE CH.1 CH.2 TUBE STAGE TUBE STAGE TUBE STAGE TUBE STAGE TUBE STAGE CHANNEL SWITCHING PAD SWITCHING EFFECTS SWITCHING FREQUENCY COMPENSATOR POWER AMP IMPEDANCE SELECTOR EXT. SPKR OUT MAIN SPKR OU[...]

  • Page 11

    BV120H All Tube Guitar Amplifier 11[...]

  • Page 12

    BV120H All Tube Guitar Amplifier BV120H TECHNICAL SPECIFICA TIONS: Output Power Rating 100W RMS @ 5% THD, 8 or 16 ohm load, 120 V AC Gain Channel 1 Channel 2 66dB, tones at “10” @ 1kHz 101dB, tones at “10” @ 1kHz T one Control Range Channel 1 Channel 2 Bass 16dB @ 100Hz 15dB @ 100Hz Mid 20dB @ 300Hz 13dB @ 500Hz High 10dB @ 10kHz 10dB @ 10k[...]