Aavik acoustics P-300 Manuel utilisateur

P-300 Stereo power ampliﬁer User’s guide

SPECIFICATIONS Page 2

SAFETY INSTRUCTIONS Page 3

FRONT PANEL FUNCTIONS Page 4

REAR PANEL FUNCTIONS Page 6

Contents:Speciﬁcations:

Power output: 8Ω: 2x150W, 0.01% THD

4Ω: 2x300W, 0.01% THD

Input impedance: 11kΩ (XLR), 12kΩ (RCA)

Gain: 28dB

Input sensitivity for full power 1.35V RMS

Distortion: <0.005% 10W, 1kHz, 8Ω

Trigger input: 5-15V DC

1/8” socket, for stereo or mono jack, with positive pole on the tip

Dimensions: 440 x 480 x 133 mm (width/depth/height)

Weight: 35 kg

▲

P-300 Stereo power ampliﬁer User’s guide

Page 2

CAUTION: To reduce the risk of electric shock, do not remove cover (or back).

No user serviceable parts inside. Refer servicing to qualiﬁed service personnel.

WARNING: To reduce the risk of ﬁre or electric shock, do not expose the ampliﬁer to rain or moisture.

The lightning ﬂash with an arrowhead symbol within an equilateral triangle, is intended to alert

the user to the presence of uninsulated ‘dangerous voltage’ within the product’s enclosure that

may be of sucient magnitude to constitute a risk of electric shock to persons.

The ampliﬁer should be serviced by qualiﬁed service personnelSafety instructions

Page 3

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Clean the ampliﬁer only with a dry, lint-free cloth. For more thorough cleaning, unplug

the ampliﬁer from the mains supply and go over it lightly with a damp, lint-free cloth.

Do not use any type of chemical solvents or other cleaning products for cleaning.

6. Do not install near any heat sources such as radiators, heat registers, stoves, or other

apparatus (including ampliﬁers) that produce heat.

7. Protect the power cord from being walked on or pinched particularly at plugs,

convenience receptacles, and the point where they exit from the apparatus.

8. Unplug the ampliﬁer during lightning storms or when unused for long periods

of time.

9. Do not defeat the safety purpose of the polarized or grounding-type plug.

10. Place the ampliﬁer horizontally and on a suitable table or rack.

11. Refer all servicing to qualiﬁed service personnel.

12. Servicing is required when the ampliﬁer has been damaged in any way, such as

when the powersupply cord or plug is damaged, liquid has been spilled or objects

have fallen into the ampliﬁer, the ampliﬁer has been exposed to rain or moisture,

does not operate normally, or has been dropped.

The ampliﬁer should be serviced by qualiﬁed service personnel when:

A. the power-supply cord or the plug has been damaged, or

B. objects have fallen, or liquid has been spilled into the ampliﬁer, or

C. the ampliﬁer has been exposed to rain, or

D. the ampliﬁer does not appear to operate normally or exhibits a marked

change in performance, or

E. the ampliﬁer has been dropped or the enclosure damaged.

1. WARNING - Take care that objects do not fall and liquids are not spilled into the

enclosure through any openings. The ampliﬁer shall not be exposed to dripping or

splashing. Liquid-ﬁlled objects such as vases should not be placed on the ampliﬁer.

2. The ampliﬁer has been designed for use in moderate climates and in

domestic situations.

3. Only connect the ampliﬁer to a power supply of the type described in the operating

instructions or as marked on the ampliﬁer. The primary method of isolating the

ampliﬁer from the mains supply is to remove the mains plug.

The ampliﬁer must be installed in a manner that makes disconnection possible.

4. If an abnormal smell or smoke is detected from the ampliﬁer,

turn the power o immediately and unplug the ampliﬁer from the wall outlet.

Contact your dealer and do not reconnect the ampliﬁer.

Front panel

The balanced/unbalanced selector, is not a true input selector - it only

optimises the ampliﬁer for the selected mode of operation. The ampliﬁer will

play, with the incorrect mode selected.

Note: The button can move diagonally also, but it is only intended to move

up/down and left/right.

STANDBY/POWER INDICATORS

When the ampliﬁer is in standby mode, the only light showing on the

ampliﬁer will be a dim LED light above the rocker button. With the amp on,

the brightness of the LED increases, and the right and left sides of the

display window will be diusely lit. During the power-on phase, green

diuse lights ﬂash on the sides as well.

INPUT INDICATORS

The two RCA and XLR indicators show which input is selected.

CURRENT INDICATORS

If one or both of the current indicators switch on, too much current is

running through the output stage. This usually occurs because of a short

circuit in the speaker wiring. When the error is detected, the speaker

output(s) will be switched o, and you have to switch the ampliﬁer o and

back on, to re-enable normal operation. Before you switch the amp back

on, make sure that there are no wiring errors. The error could be strands

of wire from the speaker cable touching each other or the metalwork of the

ampliﬁer. If the indicators come on again after power cycling the ampliﬁer,

and even with speakers disconnected, the ampliﬁer has been damaged, and

will need servicing.

DC-OUT INDICATORS

If one or both of the DC-out indicators switch on, DC is present on the

output(s) of the ampliﬁer. When this occurs, the speaker output(s) are

disabled to protect the speakers. If music is playing, the sound will be

distorted and low in level. The DC could come from the preamp or a signal

source. Try switching the ampliﬁer o and back on. If the DC error is still

present, try switching the ampliﬁer o, disconnect the input cable(s),

and switch the amp back on. If the DC error persists, with input cables

disconnected, the error is in the power ampliﬁer. Otherwise the error is in

the preampliﬁer or the signal source.

P-300 Stereo power ampliﬁer User’s guide

RCA

CURRENT

DC-OUT

TEMP

XLR

CURRENT

DC-OUT

TEMP

100-240V AC

AAVIK P·300

MADE IN DENMARK

LINE IN LINE INRS-232 TRIGGER

23 3

4 41

FRONT ROCKER BUTTON

The button has four functions. To switch the ampliﬁer on, press the top of

the button. To switch it o, press the bottom.

To select the balanced input, press the right side of the button, and press

the left side to select the unbalanced input.

Page 4

5 6 56

Front panel functions

The DC indicators may switch on during power up, and then switch o again

after a couple of seconds. This is just the DC levels of the preampliﬁer or

power ampliﬁer that take a bit of time to stabilise. This causes no problems,

and is not an error.

TEMP INDICATORS

If one or both of the temp indicators switch on, the temperature inside the

ampliﬁer is reaching critical levels. This can occur if the ambient temperature

is too high and/or the ampliﬁer has been delivering large amounts of power

into low impedance speakers. When the indicators ﬁrst switch on, it is only a

warning. If the temperature drops again, the indicators will switch o. If the

temperature continues to rise however, the ampliﬁer will switch o. In that

case, you have to let the ampliﬁer cool o for some time, and then switch it

o and on using the main power switch on the back panel.

Page 5

RCA

CURRENT

DC-OUT

TEMP

XLR

CURRENT

DC-OUT

TEMP

100-240V AC

AAVIK P·300

MADE IN DENMARK

LINE IN LINE INRS-232 TRIGGER

Rear panel functions

12 118 89

7 7 7 710

SPEAKER TERMINALS

The P-300 ampliﬁer accepts speaker cables terminated with spade connec-

tors and 4mm banana plugs.

To connect speaker wires terminated with spades, loosen the isolation knob

and insert the spade between the isolator and copper terminal. Tighten the

isolation knob to secure the spade.

To connect speaker wires terminated with banana plugs, insert the banana

plug into the centre hole of the copper terminal.

The positive speaker terminal is white, and the negative is black.

LINE INPUTS

The P-300 ampliﬁer is equipped with an unbalanced (RCA) and a balanced

(XLR) line input. Only one input type can be used at a time, and no cable

can be connected to the unused input.

XLR pin-out:

1: Ground

2: + (non-inverting)

3: - (inverting)

TRIGGER INPUT

Connect the trigger input to the trigger output of the preamp, to get remote

controlled power on/o switching. When the ampliﬁer is in standby mode, it

can be switched on by applying 5-12VDC to the trigger input. The ampliﬁer

switches o again, when the trigger voltage is removed.

RS-232

The RS-232 connection is used for ﬁrmware updates, or for remote control.

POWER ON/OFF SWITCH

Toggle the switch to turn the ampliﬁer fully on or fully o.

When the ampliﬁer is in standby mode, the power consumption is less than

0.5 watt. When the ampliﬁer is fully on and there is no applied signal, the

power consumption is less than 100 watts.

POWER INLET (CAUTION!)

The P-300 ampliﬁer accepts mains voltages from 100 to 240VAC 50-60Hz.

The power inlet accepts power cables with an IEC 60320-C13 female

connector.

To ensure the best performance, please consult your Aavik Acoustics dealer

for a suitable mains cable.

P-300 Stereo power ampliﬁer User’s guide

Page 6

Page 7

Personal notes:

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