Sound-performance-lab 2595 Manuel d'utilisateur

ManualPassive Equalizer with 120 V Makeup AmplifiersPasseqModel 2595-.'°.)')'.'°.)'.)'°)'-'°-.&apos

10PasseqRear Panel1JO8JSJOH9-34PDLFUT(/%IPUDPME"7*43*426&%&$)0$c-&$53*26&/&1"40673*33*

11PasseqPower and Signal ConnectionsBe very careful to check that the rear chassis power selection switch is set to the correct local line voltage pos

12PasseqOne Coil per Filter, one Core per CoilEach Passeq lter is individually constructed for its intended frequency, that is, each coil, condenser

13PasseqCut LF-LMF Cut MF-MHF Cut MHF-HF Boost LF B. LMF-MHF Boost HF 20k19k518k 18k17k16k15k14k13k12k11k10k8k6 8k67k87k57k6k 6k5k25k 5k4k84k54k34k

14Passeq-'#PPTUE#LF-LMF Cut and LF BoostThe low cut frequency range extends from 30 Hz

15PasseqMHF-HF Cut and HF Boost Passeq’s high frequency bands have a different layout for the cut and boost ranges: The MHF-HF cut band exhibi

16PasseqIn the arenas of recording and mixing one can generally distinguish between two main goals in applying EQ: The rst is sound correction, or so

17PasseqFirst control levels, then apply EQBadly adjusted levels often induce us to misuse EQ in misguided efforts to correct them. As soon as one has

18PasseqCutting fundamental levelsCutting fundamental frequencies provides for a perceived increase in harmonics and is therefore an effect

19PasseqAn overview of frequencies and examples for possible processing (Here we provide approximate values which may expand to adjacent areas)50 Hz –

2PasseqVersion 1.0 – 7/2006Designer: Wolfgang NeumannThis user's guide contains a description of the product. It in no way represents a guarantee

20PasseqClassical instruments and their frequenciesA symphony orchestra presents a kind of ideal paradigm of a balanced, wide-spectrum ins

21PasseqFrequency and EnergyIn general, a frequency prescribes a number of events in a time interval. The per-second cycle of a wave form is given in

22PasseqFrequency FiltersAs a rule almost everyone of us has rst made an aquaintance with frequency ltering through our listening to h

23PasseqEqualizerIn our context here, an EQ is in effect a network of frequency lters which changes its output characteristics depending on frequenci

24PasseqActive EQsThe lters of an active network require external power which allows for an integration of amplifying elements that allow

PasseqPower SupplyThe power supply was carefully engineered to provide clean and consistent currenttttan important prerequisite for exce

26PasseqGuarantee & Product RegistrationAll SPL products come with a two-year manufacturer’s guarantee against defects in material or assembly fro

Copy Master: Recall Settings-.'°.)')'.'°.)'.)'°)'-'°-.'

28Passeq< Manual Passeq

3PasseqImportant Safety Information ... 4Hook Up ...

4PasseqPlease note and retain this information. Carefully read and follow all of the safety and oper-ating instructions before you use the machine. Be

5PasseqBe very careful to check that the rear chassis power selection switch is set to the correct local line voltage position before using the unit (

6PasseqSPL Passeq—the most powerful passive Equalizer ever madeUnique Features• The most powerful passive EQ ever made—72 (!) passive lters per chan

7PasseqAdvantages of Passive Filtering• Typically coil inductance in virtually all active lters is achieved through simulation. True passive coil l

8Passeq120 Volt Makeup AmpliersWith passive ltering comes an unavoidable drop in signal level that requires makeup ampli-cation, and with the Passe

9PasseqLundahl TransformersThe Swedish rm of Lundahl is recognized world wide for the superior sonic qualities of its hand made transformers. SPL has