Viola Audio Labs Crescendo Preamplifier
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Condition | |
Payment methods | |
Ships from | New York, NY, 10011 |
Ships to | United States |
Package dimensions | 18.0" × 22.0" × 6.0" (25.0 lbs.) |
Shipping carriers | USPS or FedEx |
Shipping cost | Log in to see price |
Average | Research Pricing |
The unit is in mint condition with very little use.
Crescendo Audio Design
The OPA-1 module used in the Crescendo preamplifier is a discrete Class A operational amplifier. The first stage employs a low noise FET input. This is followed by a differential voltage gain section. The output is a high current, low output impedance voltage follower which is capable of driving the most demanding load. This results in a very open, fast and transparent sound stage.
Features
The Crescendo features a high resolution USB DAC input capable of data streams up to 192 kHz/24 Bits. This allows connection from a computer USB to stream music without the need to purchase additional hardware.
The Crescendo uses Wi-Fi remote control on Apple devices. This eliminates the line of site problems associated with IR remote controls.
Crescendo Preamplifier Specifications
Inputs: Analog
Digital 3 XLR balanced
3 RCA unbalanced
1 USB Audio
1 SPDIF
Outputs 1 RCA
1 XLR
1 FIXED (Tape)
Input Impedance 1 Million Ohms (Single Ended)
40k Ohms (Balanced)
Output Impedance Main Output 100 Ohms
Tape Output 600 Ohms
Maximum Gain 16dB, 26dB Switchable
Maximum Output 14.6Vrms Balanced
7.3Vrms Single Ended
Frequency Response 20Hz to 20kHz ± 0.2dB
IMD Less than 0.005% @ 1V input
THD Less than 0.01% @ 20n kHz 1V input
Noise > -90dBv 10Hz – 22 kHz
Power Consumption Approximately 37W
Weight 25.0 lbs. (11.3kg)
Dimensions 17.5’’W x 3.5’’H x 15’’D
44.5cm W x 8.9cm H x 38.1cm D
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