Sound Performance Lab Model 2601 manual Power Input, Speaker Thru

Page 11

Connections

Power Input

Here you connect the guitar amp‘s loudspeaker output. Connector variant and pin configura- tions follow industry standards: Unbalanced 1/4” Jack connector with the signal at the tip and ground at the sleeve.

IMPORTANT INFORMATION:

As with any typical amp and cabinet cabling, it is critical to observe loudspeaker cable of a minimum 1.5 mm2 cross section. Guitar or line cables can lead to amplifier damage! We recommend to use cables with a maximum length of 3 meters/10 feet for lossless signal transmission.

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WARNING: Connecting Guitar Amps and the Transducer

Many guitar amps are not designed for sustained maximum level operation, and if run this way, it can lead to overloads and power amp damage. At high levels, amps can produce high frequency oscillations which can destroy output transformers. Moreover, this can cause audible unwanted output transformer distortion. Such problems are not a result of Transducer use, but reside within the guitar amp.

Even in situations where you might wish to push the guitar amp to its limit in conjunction with the Transducer, you should always be sure to allow for ample power reserves to avoid endangering the amp itself!

In the same way a guitar amp and box should never be run knobs full to the right, so should you avoid running the Transducer this way. Therefore we strongly recommend that the guitar amp should never be run at over 70% of its maximal signal level!

Look for the amp‘s “Sweet Spot” as you make adjustments to it. This is almost never in the upper level output range. Where the amp‘s bass starts to sound “spongy” and somewhat undifferentiated is the place where your master level control should be turned back.

The guitar amp output must be rated at 8 ohms! Only connect amplifiers rated at a 100 W maximum to maintain a further 100 W reserve for signal peaks. A guitar amp may be used ONLY within its normal operating parameters. The Transducer may be loaded up to 200 W. But please note that a 100 W amp at higher volumes, eventually combined with further effects, produces peaks far above 100 W. Therefore we strongly recommend connecting amps rated at a maximum of 100 W.

Speaker Thru

This output provides for a passthrough from guitar amp to speaker in order to allow for the connection of an additional 4, 8 or 16-ohm cabinet. This setup makes it possible to have a traditional amp and cabinet combination sound sent to the stage and at the same time, route the Mic Level or Line Output for PA or recording.

At Speaker Thru the amp signal appears with a -8dB lowering of the original signal level. The guitar amp therefore can be driven into saturation also at moderate levels.

Connector variant and connections follow industry standards: Unbalanced 1/4" Jack connector with the signal at the tip and ground at the sleeve.

IMPORTANT INFORMATION:

As with any typical amp and cabinet cabling, it is critical to observe loudspeaker cable of a minimum 1.5mm2 cross section. Guitar or line cables can lead to amplifier damage! We recommend to use cables with a maximum length of 3 meters/10 feet for lossless signal transmission.

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Transducer

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Contents Manual Transducer Version 1.1 5/2007 Designer Ralf Reichen, Jens Gronwald Manual Transducer, ModelContents Important Safety Information Rack Mounting Symbols and NotesHook Up Hook upSPL Sound Performance Lab Scope of Delivery IntroductionTonehunter and SPL TonehunterOn Stage Advantages an OverviewAnalog Construction Analog Function Sound SetupsComplete Not Approximated Simulation Authentic VarietyRear Panel Rear Panel Speaker Thru Power InputPre Simulator Out Mic Level OutputLine Output Ground Lift PowerPhase VoltageSpeaker Voicing Signal LEDSpeaker Action Speaker CabinetControl Elements %8 Setup ExamplesSetup 4FUVQ4FUVQ 4FUVQ4FUVQ 4FUVQ 4FUVQDujwf Dujwf Pojups .POJUPS 4UBHFLeveling the Transducer PresetsSetting Examples for Clean, Crunch and Lead Sounds Presets Crunch Presets Outputs SpecificationsGuarantee & Product Registration Power SupplyBlock Diagram Guitar player Engineer Album/Gig Tracks/Group Title Date Copy Master Transducer SettingsManual Transducer