Crate Thunder Bass BX-220H Owner'S Manual Download Page 2

Congratulations!

You are now the proud owner of the innovative Crate BX-220H/BX-2115 ThunderBass amp. These fea-

ture-packed powerhouses offer you solid state reliability with classic Crate performance. 

Like all Crate products, your BX-220H/BX-2115 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 you that your BX-220H/BX-2115 ThunderBass amp is the best it can be.  

In order to get the best possible performance, please read this manual before you use the amplifier.

And 

thank you

for choosing       

.

Contents:

Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .3

Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

The Front Panel  . . . . . . . . . . . . . . . . . . . . . .4

The Rear Panel  . . . . . . . . . . . . . . . . . . . . . .5

Some Suggested Settings  . . . . . . . . . . . . . . .6

System Block Diagram  . . . . . . . . . . . . . . . . .7

Technical Specifications . . . . . . . . . .back cover

THIS EQUIPMENT HAS BEEN DESIGNED AND ENGINEERED TO PROVIDE SAFE AND RELIABLE OPERATION. IN ORDER TO PROLONG THE LIFE OF
THE UNIT AND PREVENT ACCIDENTAL DAMAGES OR INJURY, PLEASE FOLLOW THESE PRECAUTIONARY GUIDELINES:

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT OPEN CHASSIS; DO NOT DEFEAT OR REMOVE THE GROUND PIN OF THE POWER
CORD; CONNECT ONLY TO A PROPERLY GROUNDED AC POWER OUTLET.

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

CAUTION: NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

CAUTION: IF YOU USE AUDIO AMPLIFIERS PROFESSIONALLY OR IN WORK RELATED SITUATIONS AS AN EMPLOYEE, THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION (OSHA) HAS SPECIFIED REGULATIONS CONCERNING PROLONGED EXPOSURE TO HIGH SOUND PRESSURE LEV-
ELS. PLEASE REFER TO THE CODE OF FEDERAL REGULATIONS DOCUMENT 29CFR1910 FOR ADDITIONAL INFORMATION.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER.

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

ATTENTION

RISQUE D'ELECTROCUTION

NE PAS OUVRIR

ATTENTION: POUR REDUIRE D'ELECTROCUTION NE PAS

ENLEVER LE COUVERCLE. AUCUNE PIECE INTERNE N'EST REPRABLE

PAR L'UTILISATEUR. POUR TOUTE REPARATION, S'ADRESSER A UN

TECHNICIEN QUALIFIE.

VORSICHT

ELEKTRISCHE SCHLAGGEFAHR

NICHT OFFENEN

VORSICHT: ZUR MINIMIERUNG ELEKTRISCHER SCHLAGGEFAHR NICHT

DEN DECKEL ABENHMEN. INTERNE TEILE KONNEN NICHT VOM

BENUTZER GEWARTET WERDEN. DIE WARTUNG IS QUALIFIZIERTEM

WARTUNGSPERSONAL ZU UBERLASSEN.

"IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL"
"REFERREZ-VOUS AU MANUAL D'UTILISATION"
"UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN"

EXPLANATION OF
GRAPHICAL SYMBOLS:

"DANGEROUS VOLTAGE"
"DANGER HAUTE TENSION"
"GEFAHLICHE SPANNUNG"

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BX-220H / BX-2115

BX-220H / BX-2115 

ThunderBass Amplifier

All manuals and user guides at all-guides.com

Summary of Contents for Thunder Bass BX-220H

Page 1: ...yyy yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyy...

Page 2: ...T TO RAIN OR MOISTURE CAUTION NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION IF YOU USE AUDIO AMPLIFIERS PROFESSIONALLY OR IN WORK RELATED SITUATIONS AS AN EMP...

Page 3: ...ven below Features Additional information can be found on the pages indicated Solid state circuitry for reliable service and incredible tones Crate s APM Automatic Power Maximizer limiter circuit for...

Page 4: ...may also use this output or the headphone jack 14 to run a signal to a tuner 11 POST PRE This switch selects the tap point for the signal at the Balanced Line Out jack With the switch out the signal...

Page 5: ...ohms 2 4 ohms 16 ohms 2 8 ohms 16 ohms 4 4 ohms 25 BALANCED LINE OUT Use this 3 pin XLR jack to send a line level signal to the house sound board or mixing con sole The level of the signal at this ja...

Page 6: ...MASTER LINE OUT LEVEL EFFECTS BLEND HEADPHONES LEVEL LIMIT SPECTRUM DEPTH RATE CHORUS ON OFF OK INCREASE GAIN DECREASE GAIN 0 1 10 2 3 5 7 9 8 4 6 1 2 3 7 9 8 4 6 0 1 10 2 3 5 7 9 8 4 6 0 1 10 2 3 5 7...

Page 7: ...HORUS ON PRE POST EFFECTS RETURN LIMIT LED SPECTRUM DEPTH RATE MASTER HEADPHONE LEVEL POWER AMP IN SPEAKER OUT SPEAKER OUT HEAD PHONES LINE OUT LEVEL BALANCED LINE OUT CHORUS CONTOUR EFFECTS BLEND BX...

Page 8: ...75k ohms 15dB switch in Signal to Noise Ratio 75dB typical Output Power Rating 160 watts RMS 5 THD w 8 ohm load 120VAC line 220 watts RMS 5 THD w 4 ohm load 120VAC line Gain 1kHz 67dB with EQ flat Con...

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