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COnneCTiOns

CAuTION: make sure that all of the system’s electrical components are turned OFF (and preferably 

unplugged from their AC outlets) before making any connections.

Speakers and amplifiers have corresponding positive and negative (“+” and  “–”) connectors. All LOFT series speakers 

have connectors that are marked “+” and “–” on the terminal-cup assembly. Additionally, the “+” connectors have red 

markings, while the “–” connectors have black markings.

To ensure proper polarity, connect each “+” connector on the back of the amplifier or receiver to the respective “+” 

(red) connector on each speaker. Connect the “–” connectors in a similar way. Do not reverse polarities (i.e., “+” to “–” 

or “–” to “+”) when making connections. Doing so will cause poor stereo imaging and diminished bass performance.

ImPORTANT: make sure the “+” and “–” wires or connectors do not touch each other or the other terminal. 

Touching wires can cause a short circuit that can damage your receiver or amplifier.

The LOFT series speakers’ connectors can accept a variety of wire connector types: bare wire, pin connectors, spade 

connectors and banana connectors.

uSING BARE WIRE OR PIN CONNECTORS:

1.

2.

3.

uSING SPADE CONNECTORS:

1.

2.

3.

uSING BANANA CONNECTORS:

1.

2.

Connect the amplifier to each speaker as shown in the illustration below. 

+ –

Receiver or Amplifier

(One Channel Shown)

Speaker

Connector Panel

Summary of Contents for LOFT50

Page 1: ...Owner s Manual JBL LOFT Series loudspeakers...

Page 2: ...posted on our latest advancements and helps us to understand our customers and build products that meet their needs Included Items LOFT50 Two 2 LOFT50 speakers Two 2 speaker bases Eight 8 speaker bas...

Page 3: ...m 3m 40 60 20 in 51cm Generally bass output will increase as the speaker is moved closer to a wall or corner For the best performance we recommend that you place the speakers at least 5 130mm away fro...

Page 4: ...aker 2ft 61cm TV LOFT40 LOFT30 Surround Channels 5 1 Channel System When you use LOFT40 or LOFT30 speakers as surround channel speakers in a 5 1 channel system place them slightly behind the listening...

Page 5: ...ing position at least 3 4 feet 0 9m 1 2m above the floor Place the surround back speakers on the wall behind the listening position also at least 3 4 feet 0 9m 1 2m above the floor and 3 6 feet 0 9m 1...

Page 6: ...on each speaker Connect the connectors in a similar way Do not reverse polarities i e to or to when making connections Doing so will cause poor stereo imaging and diminished bass performance IMPORTAN...

Page 7: ...inner or alcohol on the cabinet Do not spray insecticide near the cabinet To remove dust from the grille fabric use a vacuum cleaner set to low suction Do not wash the grilles in water as it may fade...

Page 8: ...losure type Ported Connector type Binding post Dimensions H x W x D 42 1 2 x 7 1 8 x 11 7 8 1078mm x 180mm x 300mm Weight 27 5 lb 12 5kg each LOFT40 BOOKSHELF Speaker Speaker type 2 way bookshelf Low...

Page 9: ...Dimensions H x W x D 8 1 4 x 5 1 8 x 7 210mm x 130mm x 175mm Weight 4 3 lb 1 9kg each LOFT20 Center Channel Speaker Speaker type 2 way dual woofer center channel Low frequency transducer Two 4 100mm...

Page 10: ...N International Industries Incorporated registered in the United States and or other countries Features specifications and appearance are subject to change without notice Part No 950 0456 001 Rev A HA...

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