I am offering the AGD Alto MKII Reference Pre-amplifier that represented Nightingale Audio at this year’s T.H.E. Show in Costa Mesa/Los Angeles.
Wealth of inputs and outputs. Phono (MC & MM), 2x RCA, 1xXLR, USB, COAX, OPT, AES, LAN, Bluetooth inputs. Purchased May 2025 for the show, with very low hours. MSRP $8000 Plus Tax and Shipping.. Offered for $5995, a great deal.
“The AGD “ALTO MKII” is a complete audiophile Analog and Digital Reference Preamplifier that delivers unique features and components in a single beautifully crafted single billet aluminum cabinet. With his built-in fully balanced phono stage (MM & MC) and now the optional R2R DAC with a full-fledged versatile Network Player, the “ALTO MKII” is, by design, the perfect companion preamplifier for our line of GaN-based amplifiers.
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 are fully shielded and separated from digital boards to deliver the lowest possible noise and prevent 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).
Three analog outputs (for multi-amplification solutions.
1 XLR balanced output (6.4VRMS max)
1 Single-ended stereo output
1 Sub-woofer output (L & R)
8-bit fully balanced passive Ladder volume control.
Digital inputs: (with Digital Option installed) • 1- AES • 1- SPDIF • 1- TOSLINK • 1- USB
Network Player functionality (via Ethernet port). Full HD Streaming Capability (DLNA, UPNP, Apple).
HD AptX Bluetooth.
R2R multibit DAC with Up-Sampler (sampling rate of all signals is increased to 32-bit / 384 kHz).
Clock / Jitter control Digital block- synchronizes incoming data with an internal clock reference generator, removing jitter.
Remote control.”
