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The Progression Preamplifier adds new features previously not included in a D’Agostino preamplifier. Most noticeably, the Progression Preamplifier features an optional digital module. The digital module adds coaxial, Toslink, and USB capability to the analog base model. A fully differential DAC handles PCM signals up to 24 bit/384 KHz and DSD signals up to 4xDSD (11.2 MHz). This digital module feeds a discrete, fully complementary and balanced analog signal path from input to output. Negative feedback is not used anywhere in the Progression Preamplifier, nor is it necessary. Open-loop distortion is less than < 0.006% and the open loop bandwidth extends to over 100KHz.
Also new is the Bluetooth technology featured in the included remote control. The Bluetooth backbone extends the range of the remote by a factor of five and eliminates line of sight limitations that are inherent in IR remote controls.
The volume control is realized with a stepped balanced resistor ladder, using high-linearity solid-state relays and discrete precision resistors. The bandwidth and transient response of the preamplifier circuitry are unaffected by volume setting. The Progression Preamplifier has two independent outputs that can be individually operated or used simultaneously for driving a second amplifier in a subwoofer based system.
Housed in a separate chassis, the power supply makes use of extensive electrical and magnetic shielding to keep radiated interference away from critical preamplifier circuits. Internal circuitry filters RF noise on the AC power, and compensates for asymmetric power waveforms and DC on the mains. A second DC output is included to power future Progression source components.
Two analog meters, inspired by Swiss watch faces, function as VU meters during music playback. When volume is adjusted, the meter needles change to volume setting indicators. After adjustments are made, the meters revert back to VU meter operation. The meters also function as balance indicators when adjusting balance.
Custom Finishes Available Upon Request
|Frequency Response||0.1 Hz to 1 MHz, -3dB / 20 Hz to 80 kHz, +/-0.5dB|
|Distortion||< 0.018% THD+N, 20 Hz to 20kHz|
|Gain||+8 or +14 dB, Switchable|
|Signal to Noise Ratio||-95 dB, unweighted|
|Power Consumption in Standby||< 40W|
|Analog Inputs||4 stereo pairs of balanced XLR
2 stereo pairs of single-ended RCA
|Digital Inputs (w/DAC Module Installed)||1 USB Type A
1 Optical Toslink
1 SPDIF Coaxial
|Outputs||2 stereo pairs of balanced XLR|
|Control||RS-232, 2 12V trigger outputs|
Connection & Operation
Windows Driver Installation
|DAC Drivers||Windows Driver [ZIP; EXE]|
|High Resolution Images||View/Download|
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Our refund policy operates in a 30-day window - after this time we are unable to accept the product and cannot issue a refund. Don't worry, our products are hand picked from thousands of luxury brands to ensure you are only offered the best of the best so we doubt you'll need to consider this policy at all. If you are concerned about making the wrong decision when it comes to your purchase, please feel free to talk with our team of experts who can advise you on equipment based on your personal music taste, aesthetics, and the layout of your listening room. Still not convinced? Discuss the possibility of a loan (trial period) with our experts and hear the difference yourself.