Citronic D1000 Bruksanvisning

Citronic mottagare D1000

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D1000
CLASS-D POWER AMPLIFIER
Order ref: 110UK 172.
User Manual
Version 1.0
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
172.110 User Manual UK
Intr uction od
Thank you for choosing a Citronic D1000 power amplifier as part of your sound reinforcement system. Our new class-D
circuit design provides an efficient amp ier within compact and lightweight form factor. Please read this manual fulllif a y
and follow the instructions to achieve the best results from your amplifier and to avoid damage through misuse.
Warning
To prevent the risk of fire or electric shock, do not expose any of the components to rain or moisture.
If liquids are spilled on the casing, stop using immediately, allow unit to dry out and have checked by qualified personnel
before further use. Avoid impact, extreme pressure or heavy vibration to the case.
No user serviceable parts inside Do not open the case refer all servicing to qualified service personnel. – –
Safety
• Check for correct mains voltage and condition of IEC lead before connecting to power outlet.
• Ensure speaker leads are good condition with no short connections or damaged plugs. ed
• Check that the impedances of speaker loads do not exceed the minimum stated load for the amplifier.
• Do not allow any foreign objects to enter the case or through the ventilation grilles.
Placement
• Keep out of direct sunlight and away from heat sources.
• Keep away from damp or dusty environments.
• When rack-mounting, ensure adequate support for the base of the amplifier and firm fixings for the front.
• Ensure adequate airflow and do not cover cooling vents at the front and rear of the amplifier.
• Ensure adequate access to controls and connections.
Cleaning
• Use a soft cloth with a neutral detergent to clean the casing as required.
• Use a vacuum cleaner to clear ventilation grilles of any dust or debris build-ups.
• Do not use strong solvents for cleaning the unit.
Front Panel
1.
Power on/off switch
6.
SIGNALpresent indicators
2.
Cooling vents do not cover or obstruct –
7.
AUDIO PROTECT indicator
3.
POWER on indicator
8.
Audio LIMIT indicators
4.
POWER PROTECT indicator
9.
CH.B output level control
5.
CH.A output level control
10.
Amplifier operating mode LEDs
Rear Panel
Input SENSITIVITY switch 0.775V / 00V / 1.44V 1.
17.
Cooling fan vents do not cover or obstruct –
Amplifier switch Bridge / Stereo / Parallel MODE –
18.
CH.B output - SPK connector
75Hz LOW CUT filter on/off switch
19.
BRIDGE mono output - SPK connector
C A+B signal link output (XLR balanced/unbalanced) H.
20.
CH.A output - SPK connector
GROUND Lift switch
21.
IEC mains power inlet & fuse holder
C A+B signal put (XLR balanced/unbalanced)H. in
172.110 User Manual UK
Operation
Connect speaker cabinets to channel outputs (18, using good quality Speakon20) ® leads.
(all speaker outputs from the D1000 are wired to pins 1+/1-)
A single 8 or 4 speaker may be connected to each channel or 2 x 8 speakers connected in parallel may be connected Ω Ω Ω
to either output as a 4 pair Ω. WARNING The combined load on either channel must be no lower than 4 .– Ω
Also ensure that the speaker cabinets can handle the power output from the amplifier based at that impedance.
Th rear panel has a MODE switch 2), which determines the way that the amplifier operates, indicated by LEDs on e (1 3
the front panel (10) The standard operating mode is , with each input feeding its relevant speaker output. . STEREO
PARALLEL mode sums both inputs together in mon so that each amplifier channel receives a mix of both inpu o ts.
Alternatively, both channels can be combined to drive a single load at higher power by selecting mode. In this BRIDGE
mode, the input is on channel A and the output from the BRIDGE output SPK connector (19). is
WARNING The minimum load for BRIDGE mode is 8 .– Ω
Above the MODE switch is a SENSITIVITY switch (11), which has 3 settings for different input levels.
The standard setting is 0.775V, with further settings for 1. V and 1.44 - higher settings reduce the input sensitivity. 00 V
Above the CH.B Link Output XLR is a 75Hz LOW CUT filter switch 3) When active, this filter removes frequencies below (1 .
75Hz to avoid wasted power in full range cabinets that cannot reproduce these low frequencies.
Above the CH.A Link Output XLR is a GROUND switch (15) which can olate the signal ground from mains Earth is .
This can sometimes help to cure mains hum caused by Earth loop connections. If there is in the audio, try the LIFT ‘hum’
setting. The normal setting for this is GND, where both signal ground and mains Earth are connected.
Connect each signal input from mixer or other line level source to the CH.A and CH.B inputs ( on the rear panel using 16)
good quality signal leads Depending on output level of the mixer, select the appropriate sensitivity on the rear panel. .
Wiring for balanced or unbalanced inputs are as follows …
Signal hot +
Signal cold -
Ground (GND)
Unbalanced wiring
Pin 2
Pin 3
Pin 1
Pin 3 + Pin 1 combined to ground
Each channel input also has a corresponding XLR k output ( for linking onto further amplifiers, necessary. lin 14) as
XLR inputs and link outputs for each channel are wired in parallel, allowing signal to be cascaded over several amplifiers.
Connect the amplifier to a mains supply ( ) ensuring the IEC lead is earthed, in good condition and connected securely. 21 ,
With CH.A CH.B controls (5 9 turned fully down, switch on the power to the amplifier (1) Th power indicator will + , ) . e
light (3). This unit -has a “soft start” function which makes some checks before engaging power to the amplifiers, which
may take a few seconds.
With the mixer (or other signal source) levels turned down, gradually increase the ampli CH.A + CH.B controls to the fier’s
required level (normally full) and then gradually increase the signal level from the mixer or sound source until sound can
be heard through the speakers and then continue increasing up to the required level.
Each channel has LED indicators to show when the signal (6) is present and operation of the inbuilt audio limiter (8),
which engages automatically when the output reaches the peak power level to help avoid overload to the speakers.
Additional LEDs indicate operation of the internal protection circuitry for the Power supply (4 and the Audio circuitry ( ) 7)
When either of these LEDs is lit, this means that there is a fault in the system and the amplifier has shut it down to
protect itself and other connected equipme . Switch the power off and disconnect other equipment before re-checking nt
connections and equipmen t.
If the PROTECT LEDs stay lit, refer the amplifier to qualified service engineer. a
Before powering down, turn the channel gain controls fully down to avoid loud noises when powering down.

Produktspecifikationer

Varumärke: Citronic
Kategori: mottagare
Modell: D1000

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