Instruction/ maintenance manual of the product BV120H Crate Amplifiers
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User ’ s Guide All T ube Guitar Amplifier.
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.
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.
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 .
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).
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".
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.
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.
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 need.
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.
BV120H All Tube Guitar Amplifier 11.
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, tone.
An important point after buying a device Crate Amplifiers BV120H (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Crate Amplifiers BV120H yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Crate Amplifiers BV120H - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Crate Amplifiers BV120H you will learn all the available features of the product, as well as information on its operation. The information that you get Crate Amplifiers BV120H will certainly help you make a decision on the purchase.
If you already are a holder of Crate Amplifiers BV120H, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Crate Amplifiers BV120H.
However, one of the most important roles played by the user manual is to help in solving problems with Crate Amplifiers BV120H. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Crate Amplifiers BV120H along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
