Hafler GX2800 Owner's Manual

Manual is about: 2-channel Audio Power Amplifier

Summary of GX2800

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    Declaration of conformity application of council directive: 73/23/eec (low voltage directive) application of council directive: 89/336/eec (emc directive) standard(s) to which conformity is declared: en55103 -1 (emissions) en55103 -2 (immunity) en60065 (safety) manufacturer’s name: hafler manufactur...

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    – 1 – table of contents declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inside cover safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    – 2 – notice - important safety information 1. Read instructions all the safety and operating instructions of your hafler equip- ment should be read before power is applied to the equipment. 2. Retain owner's manual these safety and operating instructions should be retained for future reference. 3. ...

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    – 3 – advertencia – informacion de seguridad importante el símbolo de flecha relámpago dentro de un triángulo equilátero, es para alertar al usario de la presencia de “voltajes peligrosos” no aislados en el interior del aparato, los cuales pueden ser de suficiente magnitud para constituir un riesgo ...

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    – 4 – achtung – wichtige sicherheits – informationen 1. Instruktionen lesen alle sicherheits- und operationshinweise ihres hafler equipments sollten vor der inbetriebnahme gelesen werden. 2. Betriebsanleitung aufbewahren bewahren sie die bedienungsanleitung sorgfältig auf, damit sie in dieser auch i...

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    – 5 – attention: informations importantes de sÉcuritÉ 1. Lire les instructions le mode d'emploi et les mesures de sécurité de votre équipement hafler devraient être consultés avant sa mise en marche. 2. Conserver le guide de l'utilisateur le mode e'emploi et les mesures de sécurité devraient être co...

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    – 6 – notare – importanti informazioni sulla sicurezza 1. Leggete le istruzioni tutte le istruzioni riguardanti la sicurezza ed il funzionamento devono essere lette prima di applicare tensione all'apparato. 2. Conservate il manuale queste istruzioni riguardanti la sicurezza ed il funzionamento devon...

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    – 7 – all measurements taken at normal operating conditions (i.E. 1/8th rated output power) unless noted otherwise. Power output: 1khz, 1% thd 20-20khz, 0.2% thd stereo 8 Ω 700w x 2 ch 600w x 2 ch 4 Ω 700w x 2 ch 600w x 2 ch 2 Ω 700w x 2 ch 600w x 2 ch 70v 700w x 2 ch 600w x 2 ch bridged 8 Ω 1400w x...

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    The hafler gx2800 amplifiers are two rack height, two channel, fan-cooled professional power amplifiers suitable for use in the most demanding sound reinforcement and commercial sound installations. These amplifiers offer outstanding effi- ciency by means of three technologies: high-efficiency trans...

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    – 9 – universal line voltage input voltage selection is provided in two bands: 100-140 volts and 200-265 volts, (both 50-60 hz) via two quick-connect termi- nals located on the emi filter board, accessed by removing the top cover. The current-mode control system automatically corrects for the bulk o...

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    – 10 – 1. Recessed front panel - prevents switches and controls from accidentally being adjusted or broken. 2. Power switch - turns the amplifier on and off 3. Power leds - verifies that the amplifier channel is on 4. Status leds - displays the status of the amplifier. The leds are as follows: signa...

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    – 11 – 1. Recessed front panel - prevents switches and controls from acci- dentally being adjusted or broken. 2. Power switch - turns the amplifier on and off 3. Power leds - verifies that the amplifier channel is on 4. Status leds - displays the status of the amplifier. The leds are as follows: sig...

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    The gx2800 is a standard 2u (2 rack height) 19" rack-mount unit, with both front and rear rack mounting ears. In portable systems, the amplifier must be supported at both the front and rear. Cooling the gx2800 uses forced-air cooling (fan cooling) to remove the heat produced during normal operation....

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    – 13 – audio ground chassis/float switch in general, the audio ground of each amplifier should be connected to ac mains earth ground at one point only- either through the chassis (by selecting the "chassis" position) or through the input cable (with the switch in the "float" position, and pin 1 of t...

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    – 14 – the amplifier will operate with either a balanced or unbalanced signal source. Input the input jacks used on the gx2800 are dual function connectors which accept 1/4" trs (tip ring sleeve) or male xlr plugs. The amplifier will operate with either a balanced or unbalanced signal, from earth gr...

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    – 15 – floated equipment units with a 2-pin mains power cord have no means to connect the audio output ground to earth ground, so usually the audio output ground is floated from earth ground. However, this does not insure that when installed in a system, the audio output ground will remain floated f...

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    – 16 – phase the phase switch will select either 0° (normal polarity) or 180° (inverted polarity) for the corresponding output signal. Cd horn equalization this adjustable high-frequency shelving circuit can be used to compensate for the roll-off of constant directivity (cd) horns. At the +10db sett...

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    – 17 – 70v and 100v mono mode also use the ch b input connector and level control only. The 70v or 100v speaker array load should be connected across the red terminals of the output connectors. Set both load switches to the appropriate 70v or 100v value. The rated power into the mono load will be do...

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    – 18 – 1. Connect signal from source to both ch a and ch b inputs. 2. Move biamp/stereo switch to stereo input mode. 3. Move stereo/mono switch to stereo mode. 4. Select desired speaker load (8 Ω/4Ω/2Ω) for each channel – ch a & ch b loads do not need to match. 5. Connect appropriate speaker load 8 ...

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    – 19 – 1. Connect signal from source to ch b input. 2. Biamp/stereo switch not active-(stereo/mono switch overrides this switch when in mono/70v/100v mode). 3. Move stereo/mono switch to mono mode. 4. Set load switches (8 Ω/4Ω/2Ω) to 1/2 the actual load impedance. (16 Ω/8Ω/4Ω) i.E. For a 4Ω speaker ...

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    1. Connect signal from source to ch b input. 2. Biamp/stereo switch not active (stereo/mono switch overrides this switch when in mono/70v/100v mode). 3. Move stereo/mono switch to 100v mode. 4. Select 100v load, both channels. 5. Connect parallel array of 100v transformer-equipped speakers across th...

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    – 21 – rockford corporation (hafler division) offers a limited warranty on hafler products on the following terms: • length of warranty 5 years on gx2800 3 years on b-stock electronics (receipts are required) • what is covered this warranty applies only to products sold to the original owner (non-tr...

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    A division of rockford corporation 546 south rockford drive tempe, arizona 85281 u.S.A. In u.S.A. (480) 967-3565 / in canada, (604) 942-1001 in europe, fax 8503-9340-14 / in japan, fax (81) 559-79-01265 ® man-3643-a 6/01 bm printed in u.S.A..