top of page

AGD ALTO Reference Analog Line and Phono Preamplifier



VAT Included


Free delivery in UAE

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 aluminum 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 MkII” power GaN Amplifiers.


The ALTO’s Phono stage, is a fully balanced topology circuitry, with superior sonic performances that will satisfy the also 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.



Parameter Description
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: <0.1dB
Frequency Response: 20Hz-20kHz ±0.1db
THD%: ≤0.05%
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)
bottom of page