Crate BV300H Operation Manual Download Page 14 | Manualshive

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The Block Diagram:

1 4

INPUT

BASS

V1–V8 = 12AX7
V9–V10 = 12AU7
V11–V16 = 6550A

V1

V1

V2

TREBLE

GAIN

LEVEL

1+

1-

EEK!

UGH!

SEND

RETURN

EFFECTS

LOOP

SLAVE

OUT

IMPEDANCE

SELECTOR

SPEAKON
SPEAKER
OUTPUTS

1/4"
SPEAKER
OUTPUTS

V2

MID

BASS

V3

V6

V6

TREBLE

OFF

1k

250

750 500

GAIN

LEVEL

V7

MID

BASS

V4

TREBLE

10k

2k

8k

4k

6k

GAIN

LEVEL

V4

V5

V5

MID

LEVEL

300

3k

700

1.5k 1k

1+

1-

V8

V9

V10

V11

V13

V15

V12

V14

V16

V9

V10

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Summary of Contents for BV300H

Page 1: ...This is the operation guide for the Crate BV300H READ IT Then get ready for the Ride of your Life...

Page 2: ...ATION AND TO AVOID INJURY WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE SERVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL OUR AMPLIFIERS ARE CAPABLE O...

Page 3: ...way to describe it is to experience it Coupled with its massive power amplifier is a state of the art 3 channel preamp Switching is accomplished via momentary switches that provide instant access to e...

Page 4: ...thick punchy A humbucker will push the preamp intensely into compression 4 Treble Use this control to adjust the top end level for Channel 1 The Treble control provides a range of 38dB at 5kHz 5 Mid F...

Page 5: ...annel 2 The Treble control provides 12dB of boost or cut at 2kHz 12 Mid Boost Select Use this control to add a 4 5dB boost from the low end up to the midrange frequency selected 250Hz 500Hz 750Hz or 1...

Page 6: ...tones 18 Treble Use this control to adjust the top end level for Channel 2 The Treble control provides 25dB of boost or cut at whatever fre quency the High Freq control 19 is set to 19 High Freq Selec...

Page 7: ...ound The Eek control helps to compensate for dark rooms and or speaker cabinets 25 Ugh This is your low frequency power amp damping control This is used to con trol and shape the low end Towards the s...

Page 8: ...IMPEDANCE 16 ohms 8 2 ohms 16 ohms 4 4 ohms 8 ohms 4 2 ohms 8 ohms 2 4 ohms 4 ohms 2 2 ohms 31 Slave Out Jack Use this jack to con nect the amp to a slave amplifier PA amp or recording console The si...

Page 9: ...se this section to work their magic on the amplifier Like it says on the amp Don t mess with the Bias Your Authorized Crate Service Center will have all the information needed to re bias your amplifie...

Page 10: ...The tubes used in preamplifiers 12AX7 12AU7 12AT7 etc are smaller than the power tubes These tubes amplify the signal from your instrument and shape the sound They are inherently microphonic mechanic...

Page 11: ...ape and amplitude of the signal applied to the power tube s and has to work almost as hard as the power tube s You can check your preamplifier tubes for microphonics by turning the amplifier on turnin...

Page 12: ...t tubes unless the amplifier is equipped with self biasing circuitry This should be done ONLY at a qualified service center Improper biasing could result in the tubes running too hot which greatly red...

Page 13: ...Some Suggested Settings 13 Chug Rhythm Humbucker Metal Sound Bluesy Stang Sparkling Clean Rock Sound Chunk Humbucker Spitty Gain Humbucker Evil Thoughts Bluesy Tone Strat As Sick As It Gets...

Page 14: ...1 EEK UGH SEND RETURN EFFECTS LOOP SLAVE OUT IMPEDANCE SELECTOR SPEAKON SPEAKER OUTPUTS 1 4 SPEAKER OUTPUTS V2 MID BASS V3 V6 V6 TREBLE OFF 1k 250 750 500 GAIN LEVEL V7 MID BASS V4 TREBLE 10k 2k 8k 4...

Page 15: ...ring 1901 Congressional Drive St Louis MO 63146 USA Tel 314 569 0141 Fax 314 569 0175 OUTPUT POWER RATING 300 Watts RMS 5 THD 4 ohm load 120 VAC SIGNAL TO NOISE RATIO 75dB Typical GAIN Channel 1 Chann...

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