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Owners Manual
for the
BX-440H / BX-4115
BX-440H / BX-4115
INPUT EQUALIZATION MASTER CROSSOVER CROSSOVER
LINE OUT EFFECTS HEADPHONES
GAIN INCREASE CONTOUR MASTER LEVEL BLEND LEVEL FREQUENCY BALANCE POWER POWER POWER POWER
GAIN 300 Hz
INPUT 46 5 46 46 5 46 5 46 5 46 5
3 7 37 3 7 3 7 3 7 3 7
OK
2 8 2 8 2 8 2 8 2 8 2 8
1 9 1 9 1 9 1 9 1 9 1 9
DECREASE
10 10 10 10 10
0 0 0 0 0 100 Hz 1kHz LO HI
GAIN
40 100 225 625 1.6k 4k 8k 16k
— 15dB CONTOUR
LIMIT POST/PRE
ON/OFF
BX-440H
HEADPHONES
®
INPUT EQUALI
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Congratulations! You are now the proud owner of the innovative Crate BX-440H/BX-4115 ThunderBass amp. These fea- ture-packed powerhouses offer you solid state reliability with classic Crate performance. Like all Crate products, your BX-440H/BX-4115 ThunderBass amp is Musician Made in the U.S.A., using only the best components. Extensive testing at many stages in its production, including a final audition by a skilled musician, insures
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Introduction: Crates new BX-440H/BX-4115 ThunderBass amplifiers are feature-packed, professional strength power- houses which can deliver incredible bass sounds. Rugged construction, reliable American craftsmanship and solid state electronics add up to create very roadworthy, stage-ready gear. ® The BX-440H packs solid performance into a compact head unit, contained in a rugged Tolex covered cabinet. Its side-mounted handle and heavy dut
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 The Front Panel: 1 2 4 5 7 8 10 12 13 15 16 1718 19 20 21 22 INPUT INPUT EQUALIZATION EQUALIZATION MASTER MASTER CROSSOVER CROSSOVER CHORUS CHORUS EFFECTS HEADPHONES LINE OUT INCREASE MASTER LEVEL BLEND LEVEL FREQUENCY BALANCE SPECTRUM DEPTH RATE POWER POWER GAIN CONTOUR GAIN 5 5 5 5 5 300 Hz 250 5 5 INPUT 46 46 46 46 46 46 46 46 3 7 37 3 7 3 7 3 7 3 7 3 7 3 7 OK 2 8 2 8 2 8 2 8 2 8 2 8 2 8 2 8 1 9 1 9 1 9 1 9 1 9 1 9 CHORUS 1 9 1 9 DECRE
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 The Rear Panel: CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE. NE PAS OUVRIR. WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. CAUTION: CHASSIS SURFACE HOT. 1200W MAX / 120V / 60Hz ATTENTION: SURFACIE DE CHASSIS CHAUDE. MODEL BX-440H SERIAL # AC LINE IN MADE IN THE U.S.A. BY SLM ELECTRONICS 1400 FERGUSON AVE. ST. LOUIS, MO 63133 23. POWER CORD: Connect the m
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Using the Biamp Capabilities BX-440H: About Biamping: The Biamp High and Low outputs of the BX-440H and the BX-4115 allow for a number of ways to biamp your system: that is, using two amplifier/speaker combinations to share the task of reproducing the full range of your bass. Biamping increases each amplifiers efficiency by allowing it to focus on a certain frequency range, rather than operating full range. The results of biamping
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Using the Biamp Capabilities BX-440H (cont): Example 2: from BX-440H CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN BX-440H AVIS: ELECTRIQUE. NE PAS OUVRIR. RISQUE DE CHOC bass WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. CAUTION: CHASSIS SURFACE HOT. 1 1200W MAX / 120V / 60Hz ATTENTION: SURFACIE DE CHASSIS CHAUDE. MODEL BX-440H SERIAL # AC LINE IN MADE IN THE U.S.A. BY SLM ELECTRON
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Using the Biamp Capabilities BX-4115: PREAMP OUT PREAMP Example 1: EFFECTS LOOP OUT BX-220H PWR AMP IN RETURN BX-220H SEND EFFECTS 2 S P E LOOP A 150W @ 8 OHMS K 220W @ 4 OHMS MIN. LOAD E R MADE IN THE U.S.A. S BALANCED BY SLM ELECTRONICS LINE OUT 1400 FERGUSON AVE. PWR AMP With the BX-4115 for the low end; a RETURN IN BX-220H and a BXE-410H cabinet BXE-410H 2 SEND for the high end: 47-146-04 BY SLM ELECTRONICS MADE IN THE U.S.A. 1400
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Using the Biamp Capabilities BX-4115 (cont): Example 3: 500 WATTS MAX. • 60 Hz • 120 VAC BXE-210HP MODEL BXE-210HP BXE-210HP With the BX-4115 for the low end; a SERIAL # A MADE IN THE U.S.A. BY SLM ELECTRONICS 1400 FERGUSON AVENUE • ST. LOUIS, MO 63133 BX-210HP powered cabinet for the 500 WATTS MAX. • 60 Hz • 120 VAC MODEL BXE-210HP AC LINE IN POWER SERIAL # A MADE IN THE U.S.A. BY SLM ELECTRONICS 1400 FERGUSON AVENUE • ST. LOUIS, MO 6
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Some Suggested Settings: EQUALIZATION MASTER CONTOUR 5 46 46 37 3 7 2 8 2 8 1 9 1 9 0 10 40 100 225 625 1.6k 4k 8k 16k CONTOUR LIMIT ON/OFF OUT OUT EQUALIZATION MASTER CONTOUR 5 46 46 37 3 7 2 8 2 8 1 9 1 9 0 10 40 100 225 625 1.6k 4k 8k 16k CONTOUR LIMIT ON/OFF IN IN EQUALIZATION MASTER CONTOUR 5 46 46 37 3 7 2 8 2 8 1 9 1 9 0 10 40 100 225 625 1.6k 4k 8k 16k CONTOUR LIMIT ON/OFF IN IN EQUALIZATION CHORUS SPECTRUM DEPTH RATE MASTER CONTO
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 System Block Diagram: INPUT 8 BAND CONTOUR EFFECTS GRAPHIC SEND GAIN -15dB PAD ON / OFF PEAK LED EFFECTS EFFECTS BLEND RETURN CHORUS ∑ LINE OUT CHORUS ON MASTER LEVEL POST BALANCED BX-4115 LINE OUT SPECTRUM DEPTH RATE ONLY PRE PREAMP OUT POWER AMP IN POWER AMP SPEAKER OUT LIMIT LED SPEAKER OUT HEAD- PHONES HEADPHONE LEVEL 11
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BX-440H / BX-4115 ThunderBass Amplifier BX-440H / BX-4115 Technical Specifications: Maximum Input Signal Level Accepted 17 volts peak to peak (-15dB switch pressed in) Input Power Requirements 120VAC, 60Hz, 1200 watts max. Input Impedance 500k ohms (-15dB switch out), 75k ohms (-15dB switch in) Signal to Noise Ratio 75dB typical Output Power Rating 250 watts RMS @ < 5% THD w/8 ohm load, 120VAC line 440 watts RMS @ < 5% THD w/4 ohm load, 120VAC line Gain @ 1kHz 67dB with EQ flat, Contour off EQ S
