AGD Productions
AGD Alto MKII Line and Phono Preamplifier
AGD Alto MKII Line and Phono Preamplifier
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The AGD “ALTO” is a complete audiophile Line and Phono Reference Preamplifier that delivers a unique set of features and components in a very compact beautifully crafted single billet aluminium cabinet.
With his built-in fully balanced phono stage (MM & MC), a volume control with the most thermally stable and high precision resistor ladder circuit, the “ALTO” is by design the perfect companion preamplifier for our “TEMPO” and “Audion MkIII” power GaN Amplifiers.
The new MKII release of the ALTO, is available with optional Digital front end (Streamer and DAC).
The ALTO’s Phono stage, is a fully balanced topology circuitry, with superior sonic performances that will satisfy the most demanding Audiophile.
While The “ALTO” is by design the perfect companion preamplifier for our “TEMPO” and “Audion” Stereo GaN Amplifier, it will also deliver the most sublime and purest sound with any audio system of any standard.
The AGD Audio Design team is confident the “ALTO” will meet your expectations and as a team, we will always stand in support of your needs and future requirements.
4 Analog Inputs (Phono Included)
3 Analog Outputs
Home Theater Pass Trough with programmable Gain Dimension : 11"x 7"x 4"
Weight :10lbs (5kg)
Optional finishing SE : Chrome/Copper (Custom Order) Please contact Groove Audio.
Features
Features
- Fully Balanced Phono preamplifier stage with MM & MC cartridges support (selection via Menu and Remote control) and with dedicated ultra-low noise linear power supply and ultra-low noise linear professional grade amplifiers stage.
- Analog boards fully shielded and separated from digital boards to deliver the lowest possible noise and prevent any undesired interference.
- High Dynamic low noise professional grade instrumentational amplifier stages for the output buffer stage (configurable as bi-amp X-Over upon request).
- Fully balanced design and full DC coupling (no capacitors in line with analog signals).
- Three Analog inputs with one input fully balanced (XLR connectors).
- 8bit fully balanced passive Ladder volume control.
- Three analog outputs (for multi-amplification solutions.
- 1 XLR balanced output (6.4VRMS max)
- 2 Single-ended stereo output (low/high pass X-Over customizable)
- Remote control.
- 12V output Trigger.
Specifications
Specifications
- Phono Input : Moving Magnet and Moving Coil selectable via Menu
- MM Input Impedance : 47kΩ, S/R ≥ 80db
- MC Input Impedance : 420Ω, S/R ≥70db
- RIAA Accuracy : <0.1dB0Hz÷50KHz
- Frequency Response : 20Hz-20kHz ±0.1db 40kohm (600ohm upon request)
- THD% : ≤0.05%>94%
- Line Analog Inputs 2 Single ended (RCA2, RCA3), 1 XLR inputs (XLR)
- Frequency Response: 1Hz-100kHz ±0.2db
- (Passive front-end direct coupling)
- Analog Outputs : 1 XLR Output, 2 RCA Outputs (Output #1&2 full range, Output #3 HT Pass-Through).
- Output Impedance : <50ohm
- Frequency Response : 1Hz-100kHz ±0.2db
- THD+N (Balanced): ≤0.005%
- THD+N (Single Ended): ≤0.009%
- S/R ≥130db
- Direct output coupling.
- Net Dimension 11”x 7.1”x 3.5” (280 x 180 x 90mm)
- Remote : Infrared
- Trigger Output : 12V, 0.1A DC
- Flight Case Dimension 20”x 16”x 7.5” (500 x 406 x 190mm)
- Net Weight : 11lb/5Kg
- Gross Weight : 17lb/8Kg
- Input voltage : Universal (110-240V, 50-60Hz)
What's in the box
What's in the box
- Alto MKIII
- 1 x power cables
- All packed in a single, hard flight case
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