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Samson VS Series manual

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Table of contents for the manual

  • Page 1

    o Hartke Systems T ransient Attack   POWER MODEL 3500 350 WATTS INPUT PRE AMP CONTOUR MASTER 0 3 5 10 15 -18 3 5 10 15 +18 0 3 5 10 15 -18 3 5 10 15 +18 LOW PASS HIGH PASS 5 4 3 2 1 0 6 7 8 9 10 VOLUME PASSIVE COMPRESSION 5 4 3 2 1 0 6 7 8 9 10 5 4 3 2 1 0 6 7 8 9 10 5 4 3 2 1 0 6 7 8 9 10 +15 +12 +9 +6 +3 +2 0 -2 -3 -6 -9 -12 -15 +15 0 -15 8[...]

  • Page 2

    [...]

  • Page 3

    Introduction 2 F eatures 3 Guided T our F ront P anel 4-5 Rear P anel 6-7 Setting Up and Using the VX3500 8-9 About Equalization 10-11 About Compression 12 Appendix A: Caster Installation 13 Appendix B: Block Diagram 14 Appendix C: Changing the VX3500 V oltage 15 Specifications 16[...]

  • Page 4

    2 Congratulations on purchasing the Hartke VX3500 Bass Amplifier! Although this unit is designed f or easy operation, we suggest you first tak e some time to go through these pages so you can fully understand ho w we’ve implemented a n umber of unique f eatures. The VX3500 provides 350 w atts of power to the built-in 2-w ay bass speak er sys- tem[...]

  • Page 5

    3 The Har tk e VX3500 bass amplifier offers all the new est concepts in bass ampli- fication. Here are some of its main f eatures: •P ow er to spare — The VX3500, a full 350 watts deliv ered to its inter nal 4 ohm speaker system. • Internal, 2-way bass speak er system including four custom design 10-inch low frequency drivers , plus 1-inch hi[...]

  • Page 6

    4 Guided T our - VX3500 F ront P anel o Hartke Systems T ransient Attack   POWER MODEL 3500 350 WATTS INPUT PRE AMP CONTOUR MASTER 0 3 5 10 15 -18 3 5 10 15 +18 0 3 5 10 15 -18 3 5 10 15 +18 LOW PASS HIGH PASS 5 4 3 2 1 0 6 7 8 9 10 VOLUME PASSIVE COMPRESSION 5 4 3 2 1 0 6 7 8 9 ∞ 5 4 3 2 1 0 6 7 8 9 10 5 4 3 2 1 0 6 7 8 9 10 +15 +12 +9 +6 [...]

  • Page 7

    5 Guided T our - VX3500 F ront P anel 6. Compression control - This deter mines the amount of compression (peak signal reduction) by sim ultaneously adjusting both threshold and compression r atio (which ranges from 2:1 to infinity [limiting]). At the fully counterclockwise “Off ” position, the circuitr y is b ypassed and no compression is appl[...]

  • Page 8

    6 Guided T our - VX3500 Rear P anel Hartke Systems Distributed Exclusively by Samson Technologies Corp. Hicksville, New York 11802 MODEL 3500 350 WATTS 8 = 240 WATTS 4 = 350 WATTS CAUTION TO PREVENT SHOCK, DO NOT OPEN. NO USER SERVICEABLE PARTS INSIDE. REFER SERVIC- ING TO QUALIFIED SERVICE PERSONNEL. TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE [...]

  • Page 9

    7 Guided T our - VX 3500 Rear P anel 5. Effect Send jack - Use this 1/4” unbalanced jack to send low impedance (600 ohm) signal from the Model 3500 to a prof essional outboard effects proces- sor such as a re verb , echo , chor us , flanger , or har monizer de vice.* Output le vel is appro ximately 0 dB to +4 dB and is post-EQ and post-compressio[...]

  • Page 10

    8 Setting Up and Using the VX3500 SPEAKER OUTPUT MINIMUM IMPEDANCE 4 OHMS INPUT PASSIVE ACTIVE o POWER W ARNING: Har tke amplifier s can deliver ver y high pow er levels. Driven to full power , they can damage connected loudspeakers, regardless of brand, size, or configuration. Care should be taken not to strain connected loud- speakers as this can[...]

  • Page 11

    9 Setting Up and Using The VX3500 PRE AMP 5 4 3 2 1 0 6 7 8 9 10 5 4 3 2 1 0 6 7 8 9 10 A B TUBE SOLID STATE CONTOUR 0 3 5 15 -18 3 5 10 15 +18 0 3 5 10 15 -18 3 5 10 15 +18 LOW PASS HIGH PASS COMPRESSION 5 4 3 2 1 0 6 7 8 9 ∞ EFFECT SEND RETURN BALANCE 0 SEND RETURN Model 3500 Eff ect Send/Return jacks and Balance control IN OUT +15 +12 +9 +6 +3[...]

  • Page 12

    10 About Equalization CONTOUR 0 3 5 15 -18 3 5 10 15 +18 0 3 5 10 15 -18 3 5 10 15 +18 LOW PASS HIGH PASS Contour controls IN OUT +15 +12 +9 +6 +3 +2 -2 -3 -6 -9 -12 -15 +15 0 -15 8KHz 5KHz 3KHz 2KHz 1KHz 500Hz 250Hz 125Hz 64Hz 30Hz 8KHz 5KHz 3KHz 2KHz 1KHz 500Hz 250Hz 125Hz 64Hz 30Hz GRAPHIC EQUALIZER Graphic equalizer The Har tk e Systems Model 3[...]

  • Page 13

    11 About Equalization IN OUT +15 +12 +9 +6 +3 +2 -2 -3 -6 -9 -12 -15 +15 0 -15 8KHz 5KHz 3KHz 2KHz 1KHz 500Hz 250Hz 125Hz 64Hz 30Hz 8KHz 5KHz 3KHz 2KHz 1KHz 500Hz 250Hz 125Hz 64Hz 30Hz GRAPHIC EQUALIZER IN OUT +15 +12 +9 +6 +3 +2 -2 -3 -6 -9 -12 -15 +15 0 -15 8KHz 5KHz 3KHz 2KHz 1KHz 500Hz 250Hz 125Hz 64Hz 30Hz 8KHz 5KHz 3KHz 2KHz 1KHz 500Hz 250Hz [...]

  • Page 14

    12 About Compression COMPRESSION 5 4 3 2 1 0 6 7 8 9 ∞ VX3500 Compression control and LED The dynamic range of a sound is the diff erence between its loudest and softest points. For e xample, as y ou play y our bass, you’ll probab ly find that some notes (f or example, notes pla yed on the upper frets of the lo west string) are consider- ably l[...]

  • Page 15

    13 Appendix A: C ASTER INST ALLA TION • Locate one caster and f our each of the supplied screws and loc k washers. • Hold the caster in place and hand star t the screws . Be careful to ensure that the screws are on the proper thread chase. DO NO T PUSH TEE NUT INT O ENCLOSURE. • Use a screw driv er to tighten the four scre ws. Be careful not [...]

  • Page 16

    14 Appendix B: Block Diagram 1 2 3 10 BAND EQ FIXED EQ VR SOLID STATE MIXER SEND 50 mV, IN 0 dB TO +4dB RETURN 2 BAND CONTOUR PRE POST AMP PROTECTION GND. LIFT/ NORMAL 50 mV, IN -20 dB TO -30 dB MASTER SECTION 10 BAND OUT 10 BAND IN VR TUBE RMS DETECTOR COMPRESS VCA COMPRESSOR IN/OUT SWITCH Model 3500[...]

  • Page 17

    15 Appendix C: Changing the VX3500 V oltage 115 115 115 230 1: Insert a small screwdriv- er into the slot beneath the fuse sled and gently press in and up. The fuse sled will pop out approximately 3/8" inch. 2: Remove fuse sled. 3: Use a small pair of needlenose pliers to gently pull out the mains jumper. 4: Use the needlenose pliers to revers[...]

  • Page 18

    16 Specifications Input Sensitivity P assive Input 100 k Ohms 20 mv . Active Input 100 k Ohms 60 mv . Rated Output Po wer 350 watts @ 4 ohms T otal Har monic Distor tion less than .5% Signal T o Noise Ratio appro x. 78 dBm Equalizer Contour Low P ass ±18 dB @ 100 Hz Contour High P ass ±18 dB @ 10 kHz T en-Band Gr aphic ±15 dB, center detented @ [...]

  • Page 19

    [...]

  • Page 20

    Distributed Worldwide Exclusively b y: Samson T echnologies Corp. 575 Underhill Blvd. P. O. Bo x 9031 Syosset, NY 11791-9031 Phone: 516-364-2244 F ax: 516-364-3888 www .samsontech.com[...]