QSC SPA2-60 Manuale utente

System Power Amplifier (SPA)

Installation Guide

SPA2-60 Ampliﬁer

SPA4-60 Ampliﬁer

EXPLANATION OF SYMBOLS

The term “WARNING!” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death.

The term “CAUTION!” indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in

damage to the equipment that may not be covered under the warranty.

The term “IMPORTANT!” indicates instructions or information that are vital to the successful completion of the procedure.

The term "NOTE" is used to indicate additional useful information.

The intent of the lightning ﬂash with arrowhead symbol in a triangle is to alert the user to the presence of un-insulated "dangerous"

voltage within the product's enclosure that may be of sufﬁcient magnitude to constitute a risk of electric shock to humans.

The intent of the exclamation point within an equilateral triangle is to alert the user to the presence of important safety, and operating

and maintenance instructions in this manual.

What's in the Box

(1x)

(2x)

(6x)

(4x)

(1x) SPA2-60 (1x)

SPA4-60 (2x)

SPA2-60 (1x)

SPA4-60 (1x) SPA4-60 (1x)

(1x)

Warranty TD-000453

(1x)

Safety Information TD-000337

TD-000500-01-A

*TD-000500-01*

TD-000500-01-A

Installation

Ventilation

• Recommend 1RU (1.75 in / 44.45 mm) space above the ampliﬁer.

• Minimum open space of 6 inches measured from back of ampliﬁer.

NOTE:

QSC System Power Ampliﬁers contain advanced protection

circuitry which allows them to reduce output power in order to

maintain safe operating temperatures. Insufﬁcient ventilation may

result in the ampliﬁer reducing output power during normal

operation (indicated by Limiter/Protect LEDs illuminating red). To

reduce the possibility of thermal limiting, and allow proper heat

dissipation, we recommend that you keep the space directly above

and to the rear of these ampliﬁers free of obstacles.

— Figure 1 —

Select the Ampliﬁer Installation Conﬁguration

Choose one of the following conﬁguration options:

A. One Ampliﬁer 19-inch Rack (Left or Right Mount) on page 3 D. Under Table or on Wall on page 4

B. Two Ampliﬁers 19-inch Rack (Front or Rear Facing Out) on page 3 E. Free-Standing on Desk/Table on page 5

C. One Ampliﬁer Half Rack (Front or Rear Facing Out) on page 4 F. Plenum Installation on page 5

TD-000500-01-A

A. One Ampliﬁer 19-inch Rack (Left or Right Mount)

Figure 2

(1)

(2)

(5)

(1)

— Figure 2 —

Top Side

Front Panel

Top Side

Front Panel

B. Two Ampliﬁers 19-inch Rack

(Front or Rear Facing Out)

Figure 3

(2)

(6)

(1)

(6)

— Figure 3 —

Front Panel

Bottom Side

Amp 2

Bottom Side

Amp 1

Front Panel

Rear Panel

Bottom Side

Amp 2

Bottom Side

Amp 1

Rear Panel

TD-000500-01-A

C. One Ampliﬁer Half Rack (

Front or Rear Facing Out

)

Figure 4

1. (1)

2. (2)

3. (6)

— Figure 4 —

Top Side

Front Panel

Top Side

Rear Panel

D. Under Table or on Wall

Figure 5.

(1)

(2)

(6)

(4)

Not supplied – use appropriate screws for

mounting surface.

— Figure 5 —

Mounting

Surface

Bottom Side

Front Panel

TD-000500-01-A

E. Free-Standing on Desk/Table

Figure 6

(1)

(4)

— Figure 6 —

Bottom Side

Front Panel

F. Plenum Installation

Conﬁgure ampliﬁer per option D Under Table or on Wall.

Figure 7

(1)

— Figure 7 —

Top Side

Front Panel

Plenum Kit - Suitable for Air Handling Spaces

only when used with optional Plenum Kit

(FG-000995-00) sold separately.

Rack-Mounting Options

All Conﬁgurations

Figure 8

Using the examples shown, you can mount any of the

ampliﬁer conﬁgurations. The example at the lower right of

Figure 8 can be ﬂipped to accommodate a single ampliﬁer

on the left side.

1. Equipment Rack (not supplied)

(2)

Optional – to bring ﬂush with Q-Sys Core 110

(2)

(4)

Rack-Mounting Screws and Washers (not supplied) — Figure 8 —

1234

TD-000500-01-A

Front Panel

— Figure 9 —

Limiter / Protect

Red – Protect / Mute

Orange – Limiter on

Input Signal

Blue – Present

Power

Blue – On

Orange – Standby

Limiter / Protect

Red – Protect / Mute

Orange – Limiter on

Input Signal

Blue – Present

Power

Blue – On

Orange – Standby

Rear Panel

— Figure 10 —

12345467 8

12345467

91011 121314

1. Output Channels 1 & 2

2. Remote Control Channels 1 & 2

3. Input Channels 1 & 2

4. Channel 1 thru Channel 4 Status LEDs

a. Green – Normal Signal Level

b. Amber – Input or Output Overload/

Clipping or Thermal Limiting

c. Red – Limit or Protect Mode

d. Red – Thermal Limit or Protect Mode

e. Red – Mute 1

5. Channel 1 Attenuator Control

6. Channel 2 Attenuator Control

7. Mode Conﬁguration Switches Channel 1& 2

8. AC Power Connection

9. Output Channels 3 & 4

10. Remote Control Channel 3 & 4

11. Input Channels 3 & 4

12. Mode Conﬁguration Switches Channel 3 & 4

13. Channel 3 Attenuator Control

14. Channel 4 Attenuator Control

1 No signal for 10 minutes, ampliﬁer outputs are muted (LEDs are red). No signal for 25 minutes, ampliﬁer is put in Standby Mode (Rear LEDs are off).

TD-000500-01-A

Connections

Wire

IMPORTANT:

Class 2 Wiring

— Figure 11 —

5mm 1:1

Strip Length = 5mm

DO NOT TIN!

Output Connectors

IMPORTANT:

Class 2 Wiring

Figure 12 – Figure 13

SPA2-60

(1)

SPA4-60

(2)

— Figure 12 — — Figure 13 —

SPA4-60SPA2-60

Input Connectors

SPA2-60 Connector

Figure 14 – Figure 15

(1)

SPA4-60 Connector

Figure 16 – Figure 17

(1)

— Figure 14 —

— Figure 15 —

— Figure 16 —

— Figure 17 —

TD-000500-01-A

Balanced and Unbalanced Inputs

Figure 18

— Figure 18 —

Unbalanced Inputs:

jumper between (-) negative and ground.

Balanced Unbalanced

Stereo Mode

Figure 19 – Figure 21

CAUTION!: Do not connect any output to

ground.

— Figure 19 —

& & &

— Figure 20 —

Inputs

— Figure 21 —

Outputs

TD-000500-01-A

4 or 8-ohm Bridged Mode

Figure 22 – Figure 24

CAUTION!: Do not connect any output to

ground.

— Figure 22 —

& & &

— Figure 23 —

Inputs

— Figure 24 —

Outputs

70V / 100V Bridge Mode

Figure 25 – Figure 28

— Figure 25 —

& & &

— Figure 26 —

Bridged

Inputs

— Figure 27 —

Bridged

Outputs

— Figure 28 —

TD-000500-01-A

Remote

Figure 29 – Figure 31

SPA2-60

(1)

3.5mm, 5-pin

SPA4-60

(1)

3.5mm, 10-pin

When the potentiometer is at the

minimum position, the ampliﬁer goes into

Mute mode. On the SPA4-60 ampliﬁer, the

remote level controls for channel 1 & 2 are

independent from channels 3 & 4 remote

level control.

On the SPA4-60 model, closing the

"Standby Switch" between the ﬁrst two

pins of either Ch1-Ch2 or Ch3-Ch4 causes

all four channels to go into Standby.

— Figure 29 —

10 kΩ

Standby Switch in Run Mode

Standby Switch in Standby Mode

V = +10Vdc reference output

C = 0-10Vdc control input

C @ 10V = Max Volume

C @ 0V = Mute

— Figure 30 —

— Figure 31 —

SPA4-60

SPA2-60

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