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Description
SPL CRESCENDO DUO v2 Dual-Channel Microphone PreamplifierCrescendo 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 create a detail rich, vivid and equally honest sound image. Crescendo duo lets microphones shine in a whole new light because they have never been amplified like this
Crescendo 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 create a detail-rich, vivid and equally honest sound image.
Crescendo duo lets microphones shine in a whole new light – because they have never been amplified like this before.
The Undistortable
Thanks 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.
48 V
The 48V switch activates the required phantom power of 48 volts for the use of condenser microphones.
VU-10
With this switch the level displayed in the VU meter can be adjusted by -10 dB. This is very handy to display high levels.
Ø
Activating the polarity reversal switch turns the polarity of a microphone signal by 180°.
HP
A high-pass filter with 6 dB per octave reduces subsonic noise below 120 Hz.
Specifications
Analog inputs & outputs; XLR (balanced)
| Input impedance | 10 kΩ |
| Output impedance | 75 Ω |
| Maximum output gain | 32.5 dBu |
| Common Mode Rejection Ratio (1 kHz, 30 dB Gain) | 79 dB |
| Frequency range (30 dB Gain) | 20 Hz – 100 kHz |
| THD + N (10 Hz – 22 kHz, 30 dB Gain) | 0.0036 % |
| THD + N (10 Hz – 22 kHz, 70 dB Gain) | 0.32 % |
| Noise (A-weighted, 150 Ω, 30 dB Gain) | - 89.2 dBu |
| Noise (A-weighted, 150 Ω, 70 dB Gain) | - 51.7 dBu |
| Equivalent Input Noise, EIN (150 Ω) |
-121.7 dBu |
Internal Linear Power Supply with Toroidal Transformer
| Operating voltage for analog audio | +/- 60 V |
| Operating voltage for relays and LEDs | + 12 V |
Mains Power Supply
| Mains voltage (selectable) | 230 V AC, 50; 115 V AC, 60 Hz |
| Fuse for 230 V | T 500 mA |
| Fuse for 115 V | T 1 A |
| Power consumption | max. 17.7 W |
Dimensions & Weight
| W x H x D (width x height x depth) | 19 x 3.46 x 11.8 inch |
| Unit weight | 13.45 lbs |
| Shipping weight (incl. packaging) | 16.54 lbs |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy