Behringer GX108 user manual

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User´s Manual
Version 1.0 May 2001


 

ENGLISH

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SAFETY INSTRUCTIONS CAUTION: To reduce the risk of electrical shock, do not remove the cover (or back). No user serviceable parts inside; refer servicing to qualified personnel. WARNING: To reduce the risk of fire or electrical shock, do not expose this appliance to rain or moisture. This symbol, wherever it appears, alerts you This symbol, wherever it appears, alerts to the presence of uninsulated dangerous you to important operating and mainte- voltage inside the enclosure – voltage that may n

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1. INTRODUCTION With the FIREBIRD you purchased a retro-style guitar amp that offers you lots of practical uses in a really cool design. When developing the GX108, our top-priority goal was to perfect the sound of vintage analog guitar amps and combine it with a set of useful connection and expansion options. With the FIREBIRD GX108 we purposefully went back to the roots of guitar amplification. We realized the idea “less is more” by designing a “nostalgic” practice amp that allows you to fully

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1.2 Control elements 1.2.1 Front panel Fig. 1.1: Front panel control elements 1 INPUT is the GX108’s 1/4" jack input for your guitar. Use a commercial 1/4" jack mono cable with good mechanical and electrical shielding. 2 The GAIN control governs the degree of distortion produced by your GX108.
As high gain settings result in an output signal with plenty of treble frequencies, it might be necessary to adapt the high-frequency range with the TREBLE control. 3 The LEVEL control determines the ove

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8 FUSE HOLDER / VOLTAGE SELECTOR. Please make sure that your local voltage matches the voltage indicated on the unit, before you attempt to connect and operate the GX108. Blown fuses may only be replaced by fuses of the same type and rating. Some models allow for inserting the fuse holder in two different positions, in order to switch over from 230-V to 115-V operation, and vice versa. Please note that for 115-V operation outside Europe, you need to use a fuse of a higher rating (see chapter 1.1

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Fig. 2.1: Wiring of mono and PHONES jacks 3. SPECIFICATIONS AUDIO INPUTS Guitar input 1/4" mono jack, approx. 1 MΩ unbalanced Tape input Cinch connector, approx. 25 kΩ unbalanced AUDIO OUTPUTS Phones output 1/4" stereo jack Tape output Cinch connector, approx. 1kΩ unbalanced SYSTEM SPECIFICATIONS Power amp output 15 Watts / 8 Ω LOUDSPEAKER Type 8" special custom-made speaker Impedance 8 Ω Power handling 25 Watts POWER SUPPLY Mains voltages U.S./Canada 120 V ~, 60 Hz U.K./Australia 240 V ~,

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4. WARRANTY § 1 WARRANTY CARD/ONLINE REGISTRATION 3. Free inspections and maintenance/repair work are expressly excluded from this warranty, in particular, if caused by improper handling of the product by To be protected by the extended warranty, the buyer must complete and the user. return the enclosed warranty card within 14 days of the date of purchase to BEHRINGER Spezielle Studiotechnik GmbH, in accordance with the This also applies to defects caused by normal wear and tear, in particular,