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Eight-channel mic preamp with discrete transistors, analog gain, 48V phantom power, PAD, phase inversion, high-pass filter, ADAT optional, 192kHz, robust and sleek designThe SPL P8 is a high-end, eight-channel microphone preamplifier designed to offer pristine audio quality for multi-channel recording. Each of the eight preamps is built with discrete technology, ensuring a signal path free from integrated circuits (ICs). This design, utilizing individual transistors, is tailored for audiophiles and professionals who prioritize sound purity, contributing to the unit's open and transparent sonic characteristics. The preamplifiers provide a flexible gain range from +8 dB to +62 dB, making the P8 suitable for a wide range of microphones, including those requiring higher gain.Key features include individual controls for each preamp, such as a 48V phantom power switch for condenser microphones, a 20 dB PAD for handling loud sources, a high-pass filter to eliminate subsonic noise, and a phase inversion function. For digital workflows, the P8 can be equipped with an optional eight-channel ADAT converter, allowing seamless connection to digital audio interfaces. This versatility makes the P8 ideal for both analog and digital recording environments, delivering unparalleled audio performance while maintaining ease of integration into various studio setups.FeaturesEight Preamplifiers: Equipped with eight discrete microphone preamps for high-end sound quality.Gain Control: Adjustable gain from +8 dB to +62 dB for handling various microphone types.Phantom Power: Each channel has switchable 48V phantom power for condenser microphones.Signal Processing: Includes PAD switch (20 dB reduction), high-pass filter, and phase reverse for each preamp.Analog & Digital Outputs: Offers both analog outputs and an optional ADAT digital output for direct digital connectivity.Durable Build: Features a robust aluminum and steel construction for long-lasting use.
SPL Pre One OverviewEnjoy the open and transparent sound of the SPL Channel One Mk3 in a compact, dual-channel preamp with the Pre One, a desktop unit with two discrete preamps. With a wide gain range of 8 to 62 dB and optional Hi-Z instrument input, you can draw out the full glory of nearly any input source, from condenser mics to passive instruments.Each preamp features an independent 6 dB per octave high-pass filter for subsonic rumbles, switchable 48V phantom power, and a 180° polarity reversal switch. Each preamp features a selector, so you can choose Flair or Contour, analog EQ presets, and on the rear panel, you have a channel-selectable -20 dB input pad for overly hot signals. Each preamp features a balanced XLR 3-pin mic input and its own dedicated 1/4" TRS balanced output. Preamp 2 also includes a 1/4" TS instrument input (which automatically deactivates the mic input on preamp 2). This design allows the Pre One to process stereo signals if desired. Like all SPL products, the Pre One is manufactured in Germany.Gain ControlThe gain control can be used to adjust the preamplification. The control range ranges between +8 and +62 dB, so even truly demanding microphones can unfold their full potential. Each preamp gets its own large gain control knob. A green signal LED is provided for both preamps to indicate that a signal is present.Switchable FunctionsA high-pass filter with 6 dB per octave is available in both preamp sections and reduces subsonic noise below 80 Hz when activated. This low-cut filter can be used for the microphone inputs as well as for the instrument input on the second amplifier.Both preamplifiers have a 48V switch. This switch activates the required phantom power of 48 volts for the use of condenser and active dynamic microphones. The phase reverse function reverses the polarity of the signal. After pressing the switch, the phase is reversed by 180°.Perfect Sound with Flair and ContourFor each of the two preamps, Flair and Contour provide an analog EQ preset to perfect the sound. When Flair is activated, it gives the signal a beautiful range of high frequencies; silky highs is the key word here. When Contour is activated, the signal perfectly blends into a compact mix while retaining its natural presence and strength.Input PadThe pad switches for each preamp section are located as DIP switches on the rear of the Pre One. These switches attenuate the signal of the microphone input by 20 dB, so that even very high levels can be processed with the Pre One. This is the case, for example, with loud percussion or brass recordings.Power SupplyGood sound always starts with the power supply. This is where you lay the foundation for the performance of the entire device. Although SPL supplies a 12V plug-in power supply unit, the secondary power supply inside generates a voltage level of +/-17V for the analog audio sections with which professional levels of up to 22.5 dB can be achieved. Elaborate low-drop operating-voltage regulation provides more juice and regulates cleanly even when the maximum operation voltage is reached.In the BoxSPL Pre One Dual-Channel Microphone Preamplifier (Black)12V Power SupplyLimited 2-Year Manufacturer WarrantyKey FeaturesFor Studios and AudiophilesTwo Discrete, Transparent PreampsMic and Hi-Z Input on Preamp 2Dual 8 to 62 dB Gain Controls6 dB per Octave HPF per Channel48V Phantom Power and Phase ReversalSwitchable Flair and Contour EQ Presets-20 dB Pad per Mic InputSeparate 1/4" TRS Line Out per PreampMade in Germany
Channel One Mk3The perfect front-end for the modern producer.For over 20 years, Channel One has been a synonym for a high-quality and extremely musical recording and mixing channel strip.In the newest Mk3 version, this classic has been thoroughly revised and, in addition to a higher internal audio voltage (now +/-18 V) for even better, more detailed sound, a further improved preamplifier section, an integrated Transient Designer, a Tube Saturation stage and a Mic A/B comparison option for two microphones and other great features that raise the modern recording and mixing studio to a new level of quality. With de-esser, compressor and equalizer, all the important tools of a real channel strip are still on board. Whether it’s a microphone, line, or instrument signal, the Channel One Mk3 makes any source sound like a professionally recorded signal.The new design of the SPL Studio Series perfectly highlights the sonic qualities of this 3rd generation Channel One.Packed with must-have toolsThe SPL Channel One MK3 Premium channel strip packs a wealth of features, including a discrete preamp, 3-band EQ, compressor/limiter, noise gate, and de-esser, making it the ideal front end for your DAW. Plug into this stellar-sounding channel strip and enjoy the world-class sounds that you've heard in your head but have been unable to achieve in your studio. Whether you want to record vocals, instruments, or any other audio source, the SPL Channel One MK3 Premium channel strip will imbue your recordings with the lustrous, expensive sound you've been craving.
Dual-Channel Microphone Preamplifier with 120V technologyCrescendo duo combines the precise sound that German Rundfunk-Technik is famous for with the innovative SPL 120V technology. The internal operating voltage of 120 volts allows Crescendo microphone preamplifiers to break completely new ground. This results in microphone preamps that sound detail-rich, vivid and equally honest.Crescendo duo lets microphones shine in a whole new light – because they have never been amplified like this before.The UndistortableThanks to the SPL 120V technology, it is almost impossible to overdrive this microphone preamplifier.Crescendo duo is a dual-channel microphone preamplifier with 120V technology. Both channels feature the same range of functions. Besides phantom power (48 V) for condenser microphones, polarity reversal, a high-pass filter and a PAD switch, they provide the possibility to adjust the VU meter to display very high levels – so they leave nothing to be desired. The gain can be adjusted comfortably and precisely via a 12-step switch. With the switchable output control, the output level of the Crescendo duo can be perfectly adapted to following AD converters. Two outputs per channel allow the signal to be sent to two different devices in parallel. In addition to the extensive feature set and the outstanding technical characteristics, Crescendo duo convinces with a sonic authenticity that is second to none.The 120V technologyThe 120V technology is our reference technology. The 120V technology is unique in the world. It operates at a DC voltage of 120 volts. This is four times that of IC-based semiconductor op-amps.Sounds goodWith all SPL devices we develop not only according to plan, but also by ear. Many important components are installed on the circuit boards using Through-hole technology. This way we can ensure that we can use the best sounding components.
Eight-Channel Microphone Preamplifier with 120V technologyCrescendo 8 combines the precise sound that German Rundfunk-Technik is famous for with the innovative SPL 120V technology. The internal operating voltage of 120 volts allows Crescendo microphone preamplifiers to break completely new ground. This results in microphone preamps that sound detail-rich, vivid and equally honest.Crescendo 8 lets microphones shine in a whole new light – because they have never been amplified like this before.The UndistortableThanks to the SPL 120V technology, it is almost impossible to overdrive this microphone preamplifier.Crescendo 8 is an eight-channel microphone preamplifier with 120V technology. All eight channels feature the same range of functions. Besides phantom power (48 V) for condenser microphones, polarity reversal and a PAD switch, they provide the possibility to adjust the VU meter to display very high levels. The gain can be adjusted comfortably and precisely via a high-quality potentiometer. Two outputs per channel allow the signal to be sent to two different devices in parallel. In addition to the extensive feature set and the outstanding technical characteristics, Crescendo 8 convinces with a sonic authenticity that is second to none.Built-in Output SplitterAll eight microphone preamps have two parallel outputs each. This allows the signal to be sent to two different devices in parallel. One output each is available as XLR line output. The respective second outputs are available as a DB25 jack. These can for example be ideally connected to a multi-channel AD converter, with the for this kind of device type typical DB25 input. An additional external signal splitter for back-up systems during a recording session is therefore no longer necessary.Perfection in detailThe input differential amplifiers are constructed with pairs of transistors, each of which is combined in a housing. Precise matching of the transistors and thermal coupling ensure high common-mode rejection and extremely low THD values. The choice of transistors and resistors has a decisive influence on the sound. In countless listening sessions the optimal components for Crescendo were selected – the effort paid off!More sound through innovationOur 120V SUPRA operational amplifiers work as current amplifiers, which also offer pure class A operation with over 6 mA quiescent current. We largely dispense with coupling capacitors in order to avoid their sonic disadvantages (diffuse, sloping, loss of dynamics). In order to eliminate DC voltage components active servo circuits are used.
Ο πρώτος 8κάναλος Προενισχυτής Μικροφώνου με Τεχνολογία 120V Ο Crescendo είναι ο πρώτος προενισχυτής μικροφώνου που λειτουργεί με εσωτερική τάση 120V. Μοναδικός στην κατηγορία του, λόγω της τεχνολογίας 120V, αφού είναι σχεδόν αδύνατο να υπεροδηγήσουμε τον προενισχυτή . Ο Crescendo υπερέχει με απόλυτη πιστότητα σήματος και ποιότητα. Ξανά-ανακαλύψτε τα μικρόφωνα σας. Δεν θα έχουν ενισχυθεί έτσι ποτέ ξανά στο παρελθόν . SUPRA op-amp Χάρη στην discrete κατασκευή του με τους αντίστοιχους ενισχυτές υψηλής τάσεως SUPRA op-amps της SPL, με την δυνατότητα λειτουργίας τάσεως +/- 60V (Τεχνολογία 120V ), ο Crescendo παρέχει 'πληροφορία' σε επίπεδα που δεν έχει ξαναυπάρξει. Ο Crescendo είναι ικανός να ενισχύσει ακόμα και τα γρηγορότερα transients, τις μικρότερες λεπτομέρειες και το πλήρες ηχητικό φάσμα, καθαρά και σχεδόν με μηδενική παραμόρφωση. Mic GainΧρησιμοποιήστε το Gain μικροφώνου για να ρυθμίσετε την προενίσχυση, έχοντας στην διάθεση σας εύρος από 18dB μέχρι 70dB. Για υψηλών στάθμεων σήματα, όπου δεν χρειάζονται και τόσh ενίσχυση, μπορείτε να κάνετε χρήση του PAD -20dB. Έτσι, το εύρος ελέγχου της ενίσχυσης μετατρέπεται από -2dB μέχρι 50dB. Οι ενισχυτές στο στάδιο εισόδου είναι κατασκευασμένοι με transistor ανα ζεύγος. Η επιλογή των transistors καθώς και των αντιστάσεων έχουν εμφανή επίδραση στον ήχο. Μετά από αμέτρητα sessions ακροάσεων, τα ιδανικά εξαρτήματα επιλέχθηκαν για τον Crescendo– Άξιζε τον κόπο!ServoΟι discrete op-amps στο στάδιο εξόδου είναι ικανοί να οδηγήσουν μεγάλης απόστασης καλωδίωση χωρίς κανένα πρόβλημα . Τα στάδια εξόδου λειτουργούν ως ενισχυτικά με τάση 6mA , παρέχοντας έτσι λειτουργία Κλάσης Αλφα. Έχουν επιτευχθεί οι κατάλληλες ενέργειες για την αποφυγή ηχητικών μειονεκτημάτων, (diffuse, blurring, έλειψη δυναμικής περιοχής ). Επίσης, έχουν χρησιμοποιηθεί ενεργά κυκλώματα servo, για αποφυγή θορύβου λόγω τάσης DC.Κάθε ένας από τους οχτώ προενισχυτές του Crescendo, διαθέτει ξεχωριστό έλεγχο (Mic Gain), ξεχωριστά μετρητικά VU , επιλογή αλλαγής φάσεως, phantom power, ένα επιλογέα -20dB PAD και μείωση ένδειξη στάθμης των VU meter (VU -10).Η τροφοδοσία τοροειδούς μετασχηματιστή είναι ενσωματωμένη στο σασί του Crescendo. Για αποφυγή ηλεκτρικών παρεμβολών του τροφοδοτικού στην προενίσχυση, το τροφοδοτικό είναι καλυμμένο και απομονωμένο με το ειδικό κάλυμμα Mu-metal. Ο μετασχηματιστής είναι επίσης 'προστατευμένος' με το ειδικό κάλυμμα Mu-metal.Xαρακτηριστικά:Ο πρώτος παγκοσμίως προενισχυτής μικροφώνων με τεχνολογία 120V, τον οποίον είναι σχεδόν αδύνατο να υπεροδηγήσετε.Διαθέτει πολύ μεγάλη δυναμική περιοχή καθώς και όρια παραμόρφωσης, χωρίς αλλοίωση στον ήχο, ώστε να μπορείτε να ηχογραφήσετε όλες τις δυναμικές των μικροφώνων, χωρίς όρια.Προηγμένη σχεδίαση (SUPRA op-amp), με δυνατότητα ενίσχυσης ακόμα και των πιο γρήγορων μεταβατικών (transients) σε όλη την περιοχή συχνοτήτων, με καθαρότητα και χωρίς παραμόρφωση.Έλεγχος στάθμης προενίσχυσης από 18dB έως 70dB. > Χρήση απόλυτα ταιριασμένων τρανζίστορ υψηλής ποιότητας, σε όλα τα στάδια εισόδου εξόδου, για τέλειο ήχο.Ενεργό κύκλωμα servo για εξάλειψη DC voltage. > Κάθε κανάλι διαθέτει: έλεγχο στάθμης (Mic Gain), ένδειξη στάθμης (VU meter), διακόπτη αντιστροφής φάσης, τροφοδοσία phantom power, διακόπτη -20dB PAD, μείωση της ένδειξης στα VU meter (VU -10).Power Supply: Τροφοδοτικό με τοροειδή μετασχηματιστή. Θωρακισμένο με ειδικό μεταλλικό φύλλο (Mu-metal). > Απόκριση συχνότητας: 20-50kHz, -3dB.Αντίσταση εισόδου: 10 kOhm. > Αντίσταση εξόδου: < 600 Ohm.Στις εξόδους διαθέτει σύνδεση XLR (για κάθε μία) και σύνδεση DB25 (8 κανάλια).