Hartke VX3500 Owner's Manual
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Hartke VX3500 Owner's Manual

Vx series 350 watt 4x10" bass combo
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350 WATT 4 X 10" BASS COMBO
Hartke
Hartke
Hartke
VX3500
Hartke Systems
MODEL 3500 350 WATTS
T
ransient Attack
GRAPHIC EQUALIZER
INPUT
PRE AMP
CONTOUR
MASTER
30Hz
64Hz
125Hz
250Hz
500Hz
1KHz
2KHz
3KHz
5KHz
8KHz
CROSSOVER
A
B
+15
+15
+12
5
PASSIVE
4
5
6
4
5
6
4
5
6
+9
3
0
3
3
0
3
4
6
500Hz
IN
+6
5
5
5
5
3
7
3
7
3
7
3
7
+3
+2
2
8
2
8
2
8
0
0
10
10
10
10
2
8
250Hz
1KHz
-2
1
9
1
9
1
9
15
15
15
15
1
9
-3
0
10
0
10
0
10
-6
-18
+18
-18
+18
0
10
80Hz
OUT
-9
-12
ACTIVE
-15
-15
VOLUME
FREQUENCY BALANCE
LOW PASS
HIGH PASS
TUBE
SOLID STATE
COMPRESSION
30Hz
64Hz
125Hz
250Hz
500Hz
1KHz
2KHz
3KHz
5KHz
8KHz
o
LOW
HIGH
POWER

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Summary of Contents for Hartke VX3500

  • Page 1 VX3500 MODEL 3500 350 WATTS INPUT PRE AMP PASSIVE ACTIVE TUBE SOLID STATE COMPRESSION 350 WATT 4 X 10” BASS COMBO Hartke Hartke Hartke  Hartke Systems  ransient Attack GRAPHIC EQUALIZER CONTOUR MASTER 30Hz 64Hz 125Hz 250Hz 500Hz 1KHz...

  • Page 3: Table Of Contents

    Introduction Features Guided Tour Front Panel Rear Panel Setting Up and Using the VX3500 About Equalization About Compression Appendix A: Caster Installation Appendix B: Block Diagram Appendix C: Changing the VX3500 Voltage Specifications 10-11...

  • Page 4: Introduction

    The VX3500 provides 350 watts of power to the built-in 2-way bass speaker sys- tem. With that kind of power and Hartke’s custom designed transducers, includ- ing 4 x 10-inch low frequency, working with a 1-inch high frequency compres- sion driver, the VX3500 is EXTREMELY loud and punchy.

  • Page 5: Features

    The Hartke VX3500 bass amplifier offers all the newest concepts in bass ampli- fication. Here are some of its main features: • Power to spare — The VX3500, a full 350 watts delivered to its internal 4 ohm speaker system.

  • Page 6: Front Panel

    (this circuitry actually includes a real tube!). Note that when both Pre-Amp knobs are used at equal settings, the amplifier will be twice as loud as when only one is used. Avoid setting both Pre-Amp knobs on maximum (“10”), since the result will almost always be undesirable distortion.
  • Page 7 Guided Tour - VX3500 Front Panel 6. Compression control - This determines the amount of compression (peak signal reduction) by simultaneously adjusting both threshold and compression ratio (which ranges from 2:1 to infinity [limiting]). At the fully counterclockwise “Off” position, the circuitry is bypassed and no compression is applied (the knob clicks when set to the “Off”...

  • Page 8: Rear Panel

    3. Speaker output – The VX3500 internal speaker system is connected here. WARNING: In order to get the full 350 watts of power and the maximum output volume, the VX3500’s internal speaker system has an impedance of 4 ohms. Do not connect additional speakers to the SPEAKER OUTPUT, unless you discon- nect the internal speakers.
  • Page 9 Guided Tour - VX 3500 Rear Panel 5. Effect Send jack - Use this 1/4” unbalanced jack to send low impedance (600 ohm) signal from the Model 3500 to a professional outboard effects proces- sor such as a reverb, echo, chorus, flanger, or harmonizer device.* Output level is approximately 0 dB to +4 dB and is post-EQ and post-compression but unaffected by the setting of the Master Volume control.

  • Page 10: Setting Up And Using The Vx3500

    “Active” input; if not, connect it to the “Passive” input). On the front panel of the Model 2000/3500, set the Master volume control to “0” (fully counterclock- wise) and set both Pre-Amp A (Tube) and B (Solid State) knobs to “5” (the twelve o’clock position). Set the Compression knob to its “Off” position (fully counterclockwise—you’ll hear a click) and set both Contour knobs to their center...
  • Page 11 “10” position since this setting will almost always result in undesirable distortion. 8. When you have settled on a Pre-Amp balance, the next step is to adjust the two Contour (bass and treble equalizer) controls to taste. For more information, see the “About Equalization”...

  • Page 12: About Equalization

    EQ controls allow you to alter a sound by boosting or attenuating specific fre- quency areas—they operate much like the bass and treble controls on your hi-fi amp, but with much greater precision. The Model 3500 provides you with two different means for equalizing your bass sound: •...
  • Page 13 EQ controls in the form of its tonal settings—this can be particularly effective in instruments that have active circuitry. Also, try various EQ settings with different Pre-Amp blends and with and without Compression. For more information, see the “About Compression” section on the following page.

  • Page 14: About Compression

    About Compression ∞ COMPRESSION VX3500 Compression control and LED The dynamic range of a sound is the difference between its loudest and softest points. For example, as you play your bass, you’ll probably find that some notes (for example, notes played on the upper frets of the lowest string) are consider- ably louder than others.

  • Page 15: Appendix A: Caster Installation

    Appendix A: CASTER INSTALLATION • Locate one caster and four each of the supplied screws and lock washers. • Hold the caster in place and hand screws. Be careful to ensure that the screws are on the proper thread chase. DO NOT PUSH TEE NUT INTO ENCLOSURE.

  • Page 16: Appendix B: Block Diagram

    Appendix B: Block Diagram FIXED EQ VR TUBE VR SOLID STATE MASTER SECTION Model 3500 COMPRESSOR IN/OUT SWITCH DETECTOR COMPRESS MIXER 10 BAND EQ 10 BAND OUT 10 BAND IN SEND 50 mV, IN 0 dB TO +4dB RETURN 2 BAND CONTOUR POST 50 mV, IN...

  • Page 17: Appendix C: Changing The Vx3500 Voltage

    (actually 220 - 240 volts). The position of the two fuses in the sled as well as the fuse ratings must be maintained for adequate protection. Fuse ratings for the Model 2000 are: 5 amp for 115 VAC and 2.5 amp for 230 VAC.

  • Page 18: Specifications

    Specifications Input Sensitivity Passive Input Active Input Rated Output Power Total Harmonic Distortion Signal To Noise Ratio Equalizer Contour Low Pass Contour High Pass Ten-Band Graphic Compression Ratio Send Output Level Return Input Level Speaker System Impedance (Ohms) Low Frequency Drivers High Frequency Driver Weight Dimensions...
  • Page 20 Distributed Worldwide Exclusively by: Samson Technologies Corp. 575 Underhill Blvd. P.O. Box 9031 Syosset, NY 11791-9031 Phone: 516-364-2244 Fax: 516-364-3888 www.samsontech.com...

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