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User’s Guide
for the
BV-60H / BV-120H
All Tube
Guitar Amplifiers
by
Musician-Made in the U.S.A.
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BV-60H / BV-120H All Tube Guitar Amplifiers Congratulations! Your love of performing and driving ambition to be the best have brought you to a turning point in your musical career: the incredible BV-60H/BV-120H Professional Series guitar amplifier. An all-tube powerhouse of an amplifi- er designed to take you to the top and keep you there. We know something about you: we know you were never impressed with those "toys" that some of your friends called amplifiers. We know you were holding out unti
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BV-60H / BV-120H All Tube Guitar Amplifiers Introduction: The BV-60H/120H are all-tube, feature-packed professional stage performers' amplifiers. Rugged con- struction, reliable American craftsmanship and two powerful channels of pure tube power are some of the trademarks of these new and impressive pieces of musician's equipment. Both amplifiers feature two dis- tinctly different 12AX7 tube-driven channels: one with classic tube rhythm sounds and one offering you some of the finest lead and ov
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BV-60H / BV-120H All Tube Guitar Amplifiers REVERB CHANNEL 2 CHANNEL 1 CHANNEL CHANNEL EFFECTS LOOP EFFECTS LOOP SELECT SELECT PAD (12dB) AD (12dB) 5 5 5 5 O O O 5 O O O 5 4 6 4 6 4 6 4 6 4 6 4 6 3 7 3 7 3 7 3 7 3 7 3 7 2 8 2 8 2 8 2 8 2 8 2 8 ON ON OFF OFF 2 1 1 9 1 9 1 9 1 9 1 9 1 9 O 1O O 1O O 1O O 1O -5 +5 -5 +5 -5 +5 O 1O -5 +5 -5 +5 -5 +5 O 1O EFFECTS LOOP EFFECTS LOOP POWER STANDBY PRESENCE LEVEL LEVEL VOLUME LOW MID HIGH GAIN LOW MID HIGH VOLUME INPUT 2 1 1 2 3 4 5 6 7 8 9 1
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BV-60H / BV-120H All Tube Guitar Amplifiers 125VAC, 50/60Hz T5A SLO-BLO SPEAKERS EFFECTS 250VAC, 50/60Hz T2.5A SLO-BLO IMPEDANCE CAUTION 100 WATTS RMS LOOP FOOTSWITCH RISK OF ELECTRIC SHOCK SELECTOR DO NOT OPEN RISQUE DE CHOC ELECTRIQUE. AVIS:NE PAS OUVRIR WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, SO NOT EXPOSE THIS EQUIP- 816 MENT TO RAIN OR MOISTURE. MAIN EXT. LINE OUT RETURN SEND (USE FIRST) S TS R T R Made in the U.S.A. by • SLM ELECTRONICS TIP = CHANNEL SELECT 1
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BV-60H / BV-120H All Tube Guitar Amplifiers Important Information About Tubes And Tube Products: A Brief History Of The Tube: In 1883, Edison discovered that electrons would flow from a suspended filament when enclosed in an evacuated lamp. Years later, in 1905, Fleming expanded on Edison's discovery and created the "Fleming Valve". Then, in 1907, Dr. Lee de Forest added a third component – the grid – to the "Fleming's Valve" and the vacuum tube was a fact of life. The door to electronic amplifi
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BV-60H / BV-120H All Tube Guitar Amplifiers Important Information About Tubes And Tube Products (Continued): The Nature Of Tubes: Why (And When) To Replace Them: Tubes 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 played, vibration from the speakers, road travel, repeated set up and tear down, etc. Any time you notice a change i
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BV-60H / BV-120H All Tube Guitar Amplifiers Important Information About Tubes And Tube Products (Continued): Survival Tips For Tube Amplifiers: To 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. • Make sure the speaker(s) are properly connected prior to turning on the amplifier. • After playing the amplifier, al
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BV-60H / BV-120H All Tube Guitar Amplifiers Some Suggested Settings: CRUNCHY EDGE: SPARKLING CLEAN: REVERB CHANNEL 2 CHANNEL 1 CHANNEL CHANNEL EFFECTS LOOP EFFECTS LOOP SELECT SELECT PAD (12dB) AD (12dB) 5 5 5 5 O O O 5 O O O 5 4 6 4 6 4 6 4 6 4 6 4 6 3 7 3 7 3 7 3 7 3 7 3 7 2 8 2 8 2 8 2 8 2 8 2 8 ON ON OFF OFF 2 1 1 9 1 9 1 9 1 9 1 9 1 9 O 1O O 1O O 1O O 1O -5 +5 -5 +5 -5 +5 O 1O -5 +5 -5 +5 -5 +5 O 1O EFFECTS LOOP EFFECTS LOOP PRESENCE LEVEL LEVEL VOLUME LOW MID HIGH GAIN LOW MID HIGH VOLUM
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BV-60H / BV-120H All Tube Guitar Amplifiers System Block Diagram: CH.1 TUBE STAGE INPUT CHANNEL LOW MID HIGH VOLUME SWITCHING TUBE STAGE CH.2 TUBE TUBE TUBE TUBE GAIN STAGE STAGE STAGE STAGE LOW MID HIGH VOLUME PAD SWITCHING MAIN SPKR SEND RETURN OUT POWER IMPEDANCE AMP SELECTOR EFFECTS EXT. EFFECTS SWITCHING REVERB SPKR LOOP LEVEL 1 OUT PRESENCE LINE FREQUENCY OUT COMPENSATOR REVERB LEVEL 2 10
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BV-60H / BV-120H All Tube Guitar Amplifiers 11
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BV-60H / BV-120H All Tube Guitar Amplifiers Technical Specifications: Output Power Rating BV-60H 50 watts RMS @ 5% THD 8 or 16 ohm load, 120 VAC BV-120H 100 watts RMS @ 5% THD 8 or 16 ohm load, 120 VAC Gain Channel 1 66dB, tones at “10” @ 1kHz Channel 2 101dB, tones @ “10” @ 1kHz Tone Control Range Channel 1 Low 16dB @ 100Hz Mid 20dB @ 300Hz High 10dB @ 10kHz Channel 2 Low 15dB @ 100Hz Mid 13dB @ 500Hz High 10dB @ 10kHz Presence 5dB @ 10kHz Input Impedance 1M ohm Maximum Signal Accepted 2.8V pe
