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CONTROLS AND THEIR FUNCTIONS

(6)

1) High Level Input connector for connection to amplifier output
2) 
3)

t

4)Low Level Gain Adjust
5)Low Level Filter Bypass - In = Filter in operation - Out = Filter Bypassed. 

6)Frequency Contour, set up so as to integrate with main loudspeakers. 
7)Continously variable phase control 
8)Power Off/On Switch
9)IEC mains input connector. (Fuse Drawer contains spare 2AT fuse)

igh Level Gain Adjust

Low Level Input RCA connectors for connection to pre-amp output, Dolby output or other 

dedicated sub outputs

In the Out / 

L.F.E. Position the filter is opened wide to allow the optimum performance from processor

1

2

3

4

5

6

230V
50-60Hz
T4AL

OFF

ON

Designed and manufactured by :-

www.bkelec.com
+44 (0)1702 527572

TO AVOID RISK OF ELECTRIC SHOCK DO NOT REMOVE
PANEL NO USER SERVICEABLE PARTS INSIDE. REFER 
T O   Q U A L I F I E D   S E R V I C E   P E R S O N N E L .

B.K. Electronics
Southend-On-Sea
Essex. England

 
400 W S

ub Bass System

XXLS400 

INPUT

PHASE

0

O

180

O

In

Out

40Hz

120Hz

FREQUENCY

Min

Max

GAIN

Min

Max

GAIN

Min

Max

FILTER

LFE

L

R

(Mono)

INPUT

7

9

8

LOW LEVEL

HIGH LEVEL

Summary of Contents for XXLS400

Page 1: ...XXLS400 OWNERS MANUAL Subwoofer System...

Page 2: ...fety instructions 2 3 4 5 Setting up your XXLS400 6 Controls and their functions Connecting up your XXLS400 Connecting up using the high level input Connecting up using the low level input 7 Specifica...

Page 3: ...use this apparatus near water or allow to get wet 5 Keep well ventilated 6 Do not install near heat sources such as radiators stoves etc 7 Protect the power cord from damage 8 Disconnect from the powe...

Page 4: ...vel input are unbalanced and would normally be sourced from the LFE output of an AC3 decoder Alternatively the low level input can be connected to a dedicated sub out of a processor for single outputs...

Page 5: ...power amplifier This is important as some power amplifiers do not like their black terminals joined Now plug the neutrik connector into the high level input of the XXLS400 The Neutrik plug will fit on...

Page 6: ...cessor If a sub out is not available then you can use a spare set of pre amp outputs If you only have a single sub woofer output socket on your equipment then connect up using one of the pairs of lead...

Page 7: ...re on the low level input using a film track Adjust the gain control until the level of the bass from your subwoofer matches the level from your main system speakers Now slowly adjust the frequency co...

Page 8: ...rs for connection to pre amp output Dolby output or other dedicated sub outputs In the Out L F E Position the filter is opened wide to allow the optimum performance from processor 1 2 3 4 5 6 230V 50...

Page 9: ...a Neutrik Speakon connector Low level 10K unbalanced via gold plated RCA connectors 110 120v 220 240v where applicable Phase control 0 and 180 Deg High and low level mixing capability Automatic Speake...

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