Dan D'Agostino - Momentum - Phonostage

The Dan D'Agostino Momentum Phonostage is a reference-grade phono preamplifier engineered to extract exceptional musical detail, dynamics, and tonal accuracy from analog playback systems. Combining fully balanced discrete circuitry with precision digital control, the Momentum Phonostage delivers uncompromising vinyl performance while offering extensive adjustability for demanding audiophile applications.

Designed to accommodate multiple tonearms and cartridges, the Momentum features dedicated moving-coil and moving-magnet inputs with selectable gain, loading, and equalization settings directly accessible from the front panel. Passive equalization circuitry and carefully optimized low-noise design contribute to exceptional transparency and musical realism across a wide variety of cartridge configurations.

To maximize isolation and minimize interference, the Momentum Phonostage utilizes a sophisticated multi-stage external power supply arrangement incorporating separate transformer and regulation sections. Finished in the company’s signature precision-machined aluminum chassis with copper accents and illuminated meter display, the Momentum combines state-of-the-art analog engineering with distinctive industrial design.

Available in Silver or Black finishes

FEATURES

• Reference moving-coil and moving-magnet phonostage design
• Fully balanced discrete complementary circuitry
• Passive equalization topology
• Two moving-coil inputs
• Two moving-magnet inputs
• Balanced XLR and unbalanced RCA connectivity
• Front-panel selectable gain adjustment
• 16 selectable resistive loading options
• 16 selectable capacitive loading options for moving-magnet inputs
• Five selectable equalization curves
• RIAA, Columbia, Decca FFRR, DGG, and RCA Orthophonic EQ curves
• Separate transformer enclosure for enhanced isolation
• External power supply architecture
• Front-panel LED information display
• Precision-machined aluminum and copper chassis construction
• Hand-built in the USA

SPECIFICATIONS

Type: Reference Phonostage Preamplifier
Gain: 70dB (Moving Coil), 50dB (Moving Magnet)
Gain Adjustment: ±6dB selectable from front panel
Equalization Curves: RIAA, Columbia, Decca FFRR, DGG, RCA Orthophonic
Frequency Response: ±0.2dB, 20Hz – 20kHz
Loading: 16 selectable resistive loads for MC/MM, 16 selectable capacitive loads for MM
Equivalent Input Noise: <60nV, 20Hz – 20kHz
Input Clipping: MC 6mV / MM 6mV
Inputs (Moving Coil): 2 Pair Balanced XLR Stereo, 1 Pair Unbalanced RCA Stereo
Inputs (Moving Magnet): 2 Pair Balanced XLR Stereo, 1 Pair Unbalanced RCA Stereo
Outputs: 1 Pair Balanced XLR Stereo
Main Chassis Dimensions (W × H × D): 15.5 × 3.5 × 12.75 in. (39.4 × 8.9 × 32.4 cm)
Power Supply Dimensions (W × H × D): 13.5 × 2.5 × 11 in.
Transformer Dimensions (W × H × D): 4 × 2 × 10.5 in.
Finishes: Silver or Black