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[SP72170]

SPL Crescendo 8 Channel Preamp

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This 8 Channel Preamp is the first of it's kind to offer 120v technology giving it absolute clarity and fidelity with incredible headroom that is next to impossible to overdrive.

The SPL Crescendo is the first microphone preamplifier which operates with an internal operating voltage of 120V. Making it absolutely unique, because with the 120V Technology it is nearly impossible to overdrive this preamplifier. The Crescendo excels with absolute signal fidelity and clarity. Rediscover your microphones, they have never been amplified like this.

 

HIGH-VOLTAGE PREAMPLIFIER

Imagine a microphone preamp which has a dynamic range and distortion limit so huge, that you can record all dynamics of your microphone without any limitations. Additionally, imagine there is no influence on the sound through preamp electronics, and you can experience the sound of your microphones like never before. This is Crescendo.

 

SUPRA OP-AMP

Thanks to the discrete build of SPL's proprietary high-voltage amplifiers, the SPL SUPRA op-amps, and thus a an internal operating voltage of ±60 V (120 V Technology), the Crescendo provides unprecedented technical performance. Crescendo is capable to amplify even the fastest transients, the finest details and the complete frequency range, clean and almost without any distortion.

 

MIC GAIN

Use the Mic Gain for the setting of the pre-amplification. You can control a range from 18 dB to 70 dB. For high-level signals, which do not need to be amplified that much, you can use a PAD with -20 dB. Thus the control range of the amplification is shifted to -2 dB to 50 dB.

 

IN AND OUTPUT STAGES

The differential amplifiers in the input stage are built-up with transistor pairs, consolidated in a special housing. A precise matching of the transistors as well as thermal coupling guarantee a high common mode rejection and extremely low THD values. The choice of transistors and electrical resistors has a massive impact on the sound. Within countless listening sessions, the perfect components for the Crescendo were chosen – It was well worth the effort!

 

SERVO

The discrete op-amps of the output stage are able to drive long cable paths without any problems. The output stages operate as current amplification, which, with 6 mA quiescent current, also provide mere Class A operation. SPL almost completely renounced to use coupling capacitors, to avoid their sonic disadvantages (diffuse, blurring, loss of dynamics). However, to eliminate DC voltage, active servo circuits are used.

 

ADDITIONAL FEATURES

Each of the eight preamplifier sections of the Crescendo provides individual gain control (Mic Gain), an own VU meter, phase reversal switch, phantom power, a -20 dB PAD switch and a reduction for the display of the level on the VU meter (VU -10).

 

POWER SUPPLY

The toroidal transformer power supply is integrated in the housing of the Crescendo. To avoid electrical interference from the power supply on the preamplifier, the power supply is shielded with a special Mu-metal sheet. The transformer itself is also Mu-metal encapsulated.

Specs:

 

CONDITIONNew

CHANNELS8-Channel

CHASSIS19-in Rackmount

RACK SPACES3u

INPUT CONNECTORSAnalog XLR

OUTPUT CONNECTORSAnalog XLR, Analog DB25


MPN: SPLCRESCENDO
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Retail Price: $7,999.00
Discount Price: $6,499.00

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