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Summary of Contents for Koch LB 120-II
- Page 1 LB120-II Loadbox OPERATING INSTRUCTIONS BEDIENUNGSANLEITUNG GEBRUIKSAANWIJZING 2003 Koch Guitar Electronics...
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Page 2: Ec Declaration Of Conformity
EC DECLARATION OF CONFORMITY We, Koch Guitar Electronics, Neonweg 27, 3812 RG Amersfoort, The Netherlands, declare under our sole responsibility that the product: LB120-II Load Box to which this declaration relates is in conformity with the following harmonized standards: * EN 50081-1 (1991) Electromagnetic compatibility. Generic emission standard. - Page 3 Balanced DI Output From To Two Line Attenuator Speaker Cabinets Output Voicing Total Load = Z Lift -10dBV 0dBV Recording / PA Direct Out Multiple Cabinets 100% Z Volume Guitar Amp’s Output Combo Speaker or Single Speaker Cabinet Speaker output Phones 120 Watts RMS Power Attenuator / Dummy Load Fan Power Supply...
- Page 4 E N G L I S H Thank you for choosing our LOADBOX. The LB120-II LOADBOX has been designed to enable you to use your guitar amplifier's full-power-sound at low volumes and/or to input that sound, exactly the way it is, into a PA or Recording mixing console.
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Page 5: Rack Mounting
[8] PHONES OUTPUT : Provided for the connection of a set of headphones. The signal is frequency compensated in order to simulate the sound of a guitar speaker or speaker cabinet [10 ‘silent practising']. NOTE: a set of normal quality headphones will often give the best results. High quality headphones may sound shrill with distortion sounds as a result of their extended high frequency response. - Page 6 D E U T S C H Vielen Dank dafür, dass Sie sich für unsere Load Box entschieden haben. Die LB120-II LOADBOX wurde entwickelt, um Ihnen die Möglichkeit zu geben, Ihren Gitarrenverstärker ohne Soundverlust bei geringeren Lautstärken zu betreiben und/oder dieses Signal mit hervorragenden Resultaten zu einer PA-Anlage oder einem Recording-Mixer weiterzuleiten.
- Page 7 Bitte beachten Sie: Das Label oben rechts muß mit dem Lautsprecher-Ausgang Ihres Verstärkers übereinstimmen. Dies bedeutet zum Beispiel, dass die 8 Ohm Version der LB 120-II ausschliesslich an einem 8 Ohm Lautsprecherausgang Ihres Verstärkers betrieben werden darf; falls Ihr Verstärker über die Möglichkeit verfügt, die Ausgangsimpedanz vorzuwählen muss die 8 Ohm Option gewählt werden.
- Page 8 N E D E R L A N D S Bedankt dat je je keus op onze LOADBOX hebt laten vallen. De LB120-II LOADBOX werd ontwikkeld om je in staat te stellen je gitaargeluid-op-vol-vermogen, ook op een laag volume te gebruiken en/of om dat geluid, precies zoals je het hoort, te sturen naar een PA of opname-mengpaneel.
- Page 9 [7] MULTIPLE CABINETS : Deze jacks maken het mogelijk om twee speakerkasten op de LB120-II aan te sluiten. Je moet eerst de “From Attenuator” ingangsjack verbinden met één van de 1%-100% uitgangsjacks [10] van de "Atttenuator”, m.b.v. een korte jack-jack speakerkabel. Nu kunnen de twee “To Two Cabinets” uitgangsjacks gebruikt worden om twee speakerkasten aan te sluiten [10 “impedantie”].
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Page 10: Connection Diagram
CONNECTION DIAGRAM Guitar Combo/Head Mixing Console Guitar Power Amp Recording Computer Balanced DI Output From To Two Line Attenuator Speaker Cabinets Output Voicing Total Load = Z Lift -10dBV 0dBV Recording / PA Direct Out Multiple Cabinets 100% Volume Guitar Amp’s Output Combo Speaker or Single Speaker Cabinet Speaker output... -
Page 11: Block Diagram
From Guitar Amp’s 100% Speaker Output 0 dBV Attenuator Direct Outputs Power Attenuator -10 dBV Line Output Trans- DI Output former Filter Ground From Attenuator Lift To Two Cabinets Headphones Output Volume Block Diagram SPECIFICATIONS Maximum power handling 120 Watts continuous power 200 Watts peak power Min.
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