VL Audio VL-14000 User manual

VL-14000

POWER AMPLIFIER CLASS TD

USER MANAUL

WWW.VL.CO.TH

AChannel

-10dB

0-inf

BChannel

-10dB

0-inf

SIG -20 -15 -10 -4 VPL CPL

PWR

PAL

MUTE

BRIDGE A+B

channel B

VL-14000

CLIP

HI-IMP

VHF

TEM

SIG -20 -15 -10 -4 VPL CPL

MUTE

channel A

CLIP

HI-IMP

VHF

TEM

NOMAD

LINK

1USER MANAUL

DESCRIPTIONS

For decades, the Class AB output stage set a standard for high

quality sound ampliﬁers. Although Class AB ampliﬁers are known for

their superior sound quality, they do not make efﬁcient use of power.

The output stage generates a lot of heat and requires huge heat sinks

and fans to ensure that the output transistors inside the ampliﬁer are

at a safe temperature. In order to achieve high power, a larger power

supply is required, but eventually most of the power becomes hot.

At the core of the VL-14000 performance is the Class TD output

stage a breakthrough ampliﬁer topology that approaches the exceptional

efﬁciency of Class D while retaining the sonic purity of proven Class B

Class TD is bridgeable, highly reliable, and maintains a ﬂat response

with complex loads as low as 2 ohms nominal. Also, it does not interfere

with RF equipment such as wireless (radio) microphones. Though

treated separately here, R.SMPS and Class TD were conceived and

engineered as an integral design within the ampliﬁer platform.

Designs. Remarkable efﬁciency of the VL-14000 is a Regulated

Switch Mode Power Supply (R.SMPS), which gives theadded beneﬁt

of stabilizing rail voltages to the output even with wide ﬂuctuations

of mains voltage.

The VL-14000 power ampliﬁer class TD from VL Audio. 2-channel

14,000 Watt high power that is low in heat. Dissipation. High wattage,

durable, strong, light weight Used for touring events, concerts or

installations.

INTRODUCTION

FEATURE

• Current Average Limiter

• Current-Clip Limiter, Direct Current Protection (DC)

• Short Circuit Protection

• Very High Frequency Protection (VHF)

• Voltage Clip Limiter (VPL)

• Temperature protection

• R.SMPS Power Supply

2USER MANAUL

1. Read all documentation before operating your equipment. Retain all documentation for further reference.

2. Mains voltage must be correct and the same as that printed on the rear of the unit. Damage caused by connection to improper

AC voltage is not covered by any warranty.

3. Always operate the unit with the AC ground wire connected to the electrical system ground. Precautions should be taken so that

the means of grounding of a piece of equipment is not defected

4. Connecting ampliﬁer outputs to oscilloscopes or other test equipment while the ampliﬁer is in bridged mode may damage both

the ampliﬁer and test equipment.

5. Do not drive the inputs with a signal level greater than that required to drive equipment to full output.

6. Do not run the output of any ampliﬁer channel back into another channel's input. Do not parallel or series connect an ampliﬁer

output with any other ampliﬁer output.

7. In system setup ‚ampliﬁer's output power must be greater 50%-100% than the loaded loudspeaker's rated power.

8. Make sure the signal correctly connect to the ampliﬁer's input channel at current input mode.

9. Please turn off the power switch ,when pull off the power cord and signal cable or select the input mode switch.

10. In typical use, Please set the volume to OdB position.

11. Sometime, one signal to more than one ampliﬁer, suggest use signal distributor.

12. Please clean the dust ﬁlter , every 15 days.

Read all safety instructions before operating ampliﬁer.

Install equipment as follows:

-- Install in a ﬂat place, not bending or curved.

-- Do not install near water and moisture.

-- Place power ampliﬁer away from heat sources, such as

radiators or other heat source.

Keep in mind the following when connecting ampliﬁers

-- Read the user manual before connecting the ampliﬁer

-- Connect each connection of the ampliﬁer perfectly. If not,

it may cause hum, damage, elec shock in case of disconnection.

-- To prevent electric shocks, do not open top cover.

Connect the power cord with safety after check fo AC power.

IMPORTANT: Use of controls or adjustments or performance of procedures other than

those speciﬁed herein may result in hazardous radiation exposure.

ATTENTION : RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR

WARNING : TO REDUCE THE RISK OF FIRE OR ELECTIRC

SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE

IMPORTANT NOTES

SAFETY INSTRUCTIONS

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

3USER MANAUL

OVERVIEW

FRONT PANEL

4 3 12

1211

1 AIR ENTRANCE

This part is the air entrance. Don't obstruct It.

2 “POWER”(PWR) INDICATOR

This indicator lights when the power ampliﬁer is switching on.

3 “CLIP”(VPL) INDICATOR

Any illumination of the clip indicates a state of over

modulation (distortion at extremely high volumes). In

this case, check the output signal of your mixer and

turn down the input gain control. Please keep in mind

that the power ampliﬁer connot correct any distortion.

4 CHANNEL A VOLUME CONTROL

In stereo mode, this potentiometer allows the adjustment

of the channel A input level.

5 CHANNEL B VOLUME CONTROL

In stereo mode, this potentiometer allows the adjustment

of the channel A input level.

6 “SIGNAL” INDICATOR

Signal levels -20dB (Sig) to -4 dB.

7 “CPL” INDICATOR

Current Peak Limiter (CPL) active (Orange ﬂashing).

8 “PRORECTION” INDICATOR

When this indicator lights, that means the power ampliﬁer

is in the protection mode. Switch off the device and ﬁnd

out the problem. This power ampliﬁer is protected overheat,

overload, short circuit, DC, softstart.

9 “TEM” INDICATOR

Temperature warning (Yellow ﬂashing).

10 “VHF” INDICATOR

Very High Frequency protection active (output muted)

(Yellow constant)

11 POWER SWITCH

Use this switch to switch your power ampliﬁer on.

12 HANDLES

Those handles are used for easy transportation.

AChannel

-10dB

0-inf

BChannel

-10dB

0-inf

SIG -20 -15 -10 -4 VPL CPL

PWR

PAL

MUTE

BRIDGE A+B

channel B

VL-14000

CLIP

HI-IMP

VHF

TEM

SIG -20 -15 -10 -4 VPL CPL

MUTE

channel A

CLIP

HI-IMP

VHF

TEM

NOMAD

LINK

4USER MANAUL

SPEAKER OUTPUTS

BALANCED INPUTS

220V-240V~50-60Hz

PUSH

CH B

PUSH

CH A

XLR PIN1:Gnd PIN2:+ PIN3:- 1+CH A+

1-CH A-

BRIDGE

1+:+

2-:-

2+CH B+

2-CH B-

1+CH B+

1-CH B-

CH B

LINK CH ALINK CH B

CH A +-

CH B -+

CH A+B

BRIDGE

+ CH B -

- CH A +

44dB

41dB

38dB

35dB

32dB

29dB

26dB

23dB

195V

170V

140V

118V

100V

80V

66V

54V

BRIDGE A+B

VPL-VOLTAGE PEAK LIMITER

CH B

VPL

MODE

VPL

CH A

SOFT

HARD

VPL-MODE

SWITCH

MODE

GAIN

1 2 3 4 1 2 3 4 5 6 7 8

ON ON

BRIDGE LED

REAR PANEL

1 AC CORD

Plug this cord into the power supply socket.

(Before using the power ampliﬁer, check if the power

supply is 220V).

2 VPL SELECTOR

CH B : the right number 123 is for power limit switch

CH A : the right number 567 is for power limit switch

3 CHANNEL B XLR INPUT

This XLR input is a balanced input. Connect this input to

the left output of your mixer.

4 CHANNEL B XLR LINK OUTPUT

This XLR output is a balanced output. Connect this output to

the left input of your Power Ampliﬁer.

5 CHANNEL A XLR INPUT

This XLR input is a balanced input. Connect this input to

the left output of your mixer.

6 CHANNEL A XLR LINK OUTPUT

This XLR input is a balanced input. Connect this input to

the left output of your mixer.

7-8 CHANNEL B - CHANNEL A BIDING POST OUTPUT

This Binding post 2-pole Outputs. Connect this Binding post

output to a speaker

9-10 CHANNEL B - CHANNEL A TURN LOCK OUTPUT

This SpeakOn 4 pin Outputs. Connect this turn lock output to

a speaker.

11 AIR EXIT

This part is the air exit. Don't obstruct it.

24 3 5 6 7 8 9 10

195V

2350W

170V

1740W

140V

1180W

118V

800W

100V

600W

80V

385W

66V

265W

54V

175W

FLEXIBLE OUTPUT POWER CHANGE (EACH CHANNEL)

PARAMETER TABLE.

In this mode, connect the 2 inputs CH A and CH B to your

mixer's outputs. Put the selector on the stereo position. Output

volume can be adjusted by means of the two potentiometers.

Connect the 2 turn lock outputs to the 2 speakers.

195V

170V

140V

118V

100V

80V

66V

54V

VPL-VOLTAGE PEAK LIMITER

CH B

VPL

MODE

VPL

CH A

SOFT

HARD

VPL-MODE

SWITCH

MODE

1 2 3 4 5 6 7 8

5USER MANAUL

TECHNICAL SPECIFICATION

VL-14000 DIMENSIONS

88mm

396mm

483mm 396mm

Number of Ampliﬁer channels

Peak total output

Peak output voltage per channels

Max output current per channels

Max output power

Max output power bridged

14000W

195V

36A

4Ω 4400W / 8Ω 2350W

4Ω 14000W / 8Ω 8800W

SPECIFICATIONS

THD+N(1kHz) 1/4 Full power @8Ω

Slew Rate

Signal to noise ratio

Input impedance

<0.1%

30V/μs

>95dB

20kΩ Balance / 10kΩ Unbalance

195, 170, 140, 116, 100, 80, 66, 54V

390, 340, 280, 232, 200, 160, 132, 108V

Hard / Soft

23, 26, 29, 32, 35, 38, 41, 44dB

PERFORMANCE

VPL, selectable per channel

VPL, when bridged

Voltage peak limiter mode(Per channel)

Ampliﬁer gain selectable(All channels)

GAIN, SENSITIVITY AND LIMITERS

Operating voltage, 230V

Minimum power-up voltage, 230V

Power average limiter(PAL)

Soft-start / Inrush current draw

Mains connector

130-265V

171V

Yes

Yes / Max. 5 A

230 V CE: 16A

POWER

Input connectors(Per channel)

Output connectors(Per channel)

Output bridge mode

Intelligent fans(On/Off)

Cooling

3-pin XLR

Binding Posts 2-pole / SpeakOn

A+B - Ch.’s A is Input Source

Yes, Depending on Presence of Output Signal

Dual Fan, Front to Rear Airﬂow

CONNECTORS AND BUTTONS

Height

Width

Depth

Weight

88mm (2U)

483mm

396mm

12kg

SIZE

AChannel

-10dB

0-inf

BChannel

-10dB

0-inf

SIG -20 -15 -10 -4 VPL CPL

PWR

PAL

MUTE

BRIDGE A+B

channel B

VL-14000

CLIP

HI-IMP

VHF

TEM

SIG -20 -15 -10 -4 VPL CPL

MUTE

channel A

CLIP

HI-IMP

VHF

TEM

NOMAD

LINK

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