Product Comparison Guide and Featureset **

The table below compares the feature set of the Ultimate Preamplifer Plus with the Ultimate Preamplifier 2 along with a competitors product which claims high-end performance.

FeatureUltimate Preamplifier
Plus
Ultimate Preamplifier
2
Ultimate Preamplifier
Original
Nearest Competitor
Onboard DSP
DSPAnalog Devices SHARC
ADSP21489
4th Generation
(circa 2010)
Analog Devices SHARC
ADSP21489
4th Generation
(circa 2010)
Analog Devices SHARC
ADSP21489
4th Generation
(circa 2010)
Analog Devices SHARC
ADSP21065L
1st Generation
(circa 1995)
Number of DSP's1112
DSP Clock Rate392 MHz392 MHz392 MHz66 MHz
Synchro-locked to Master Clock
SIMD instruction set
Rated MIPS4004004002 x 66
Rated MMACs8008008002 x 66
Peak MFlops2400240024002 x 198
Hardware Accelerator'sIIR, FIR, FFTIIR, FIR, FFTIIR, FIR, FFT
Onchip Memory5 Mbits5 Mbits5 Mbits2 x 0.544 Mbits
Offchip Memory256 Mbits SDRAM256 Mbits SDRAM256 Mbits SDRAM
DSP Audio Processing
DSP Processing Rate192 KHz192 KHz192 KHz96 KHz
Floating Point Computation40 bit40 bit40 bit40 bit
Fixed Point Computation32 bit32 bit32 bit32 bit
Fixed Point Accumulator80 bit80 bit80 bit80 bit
DSD Audio Processing
DSD Processing via USB input
Direct DAC DSD Processing
DSD supported modesDSD64, DSD128, DSD256DSD64, DSD128, DSD256DSD64, DSD128, DSD256
DAC Operating Modes
Direct DAC 2-Channel
Preamp 2-Channel
Preamp 2-Channel
with Loop-Through
Preamp Multi-Channel
Preamp Multi-Channel
with Loop Through
Direct DAC Multi-Channel
2 Channel Digital Audio Inputs
S/PDIF (via Coax)3332
S/PDIF (via Toslink)2221
S/PDIF (via AES3)1111
I2S (via USB)1111
I2S (via HDMI)111
DSD (via USB)111
I2S (8 channel via USB)1
Galvanic isolation on all digital
audio inputs
2 Channel Digital Audio Outputs
S/PDIF (via Coax)1113
S/PDIF (via Toslink)111
Analog Audio Inputs
Unbalanced Line In (via RCA)2221
Balanced Line In (via XLR)1111
MM Phono Input Capability (via RCA)
Microphone Input (via XLR)
Switchable 48 Volt Phantom
AES-48 Compliant on the balanced inputs?
Analog Audio Outputs
Unbalanced (via RCA)8886
Balanced (via XLR)8886
AES-48 Compliant on the balanced outputs?
Master Clock
Ultra Low Noise Master Clock NDK NZ2520SDANDK NZ2520SDANDK NZ2520SDA?
Master Clock Frequency49.152 MHz49.152 MHz49.152 MHz? MHz
On-board DAC Stage
DAC ChipEsstech ES9038PROEsstech ES9038PROEsstech ES9028PRO?
DAC Resolution32 bits32 bits32 bits? bits
Integral DAC Master
Volume Control
64 bits64 bits64 bits
Uses Onboard Master Clock?
Maximum PCM Sample Rate192 KHz192 KHz192 KHz96 KHz
Maximum DSD Clock Rate11.2 MHz11.2 MHz11.2 MHz
Direct injection DAC Mode
(DSP and SRC bypass)
On-board ADC Stage
ADC ChipTI PCM1863TI PCM1863TI PCM1863?
ADC Resolution24 bit24 bit24 bit24 bit
Uses Onboard Master Clock?
Software/Firmware
Onboard DSP software/firmwareFully User Customizable
Drag and Drop by
Audioweaver from DSP Concepts
Fully User Customizable
Drag and Drop by
Audioweaver from DSP Concepts
Fully User Customizable
Drag and Drop by
Audioweaver from DSP Concepts
Propriertary
External DSP software capability
Firmware Upgradable
via USB port
Factory Mode Firmware Upgrades
User Interface
Front Panel Rotary Volume ControlPush button only
Remote ControlApple CompatibleApple CompatibleApple CompatibleProprietary
LCD Display
LCD Display ResolutionFull Color 320 x 240 QVGAFull Color 320 x 240 QVGAFull Color 320 x 240 QVGA
Push Button Menu Navigation ControlsSimple
Context sensitive menus
Real time LED status lights
DSP Expansion
InterconnectUSB Audio Class-2
Channel Expansion
InterconnectHDMI cableHDMI cableCOAX
ProtocolI2SI2SS/PDIF
Word depth32 bits32 bits24 bits
Miscellaneous
Input VoltageInternally switchable
115-240 Vac/50-60Hz
Internally switchable
115-240 Vac/50-60Hz
Externally switchable
115-240 Vac/50-60Hz
Externally switchable
115-240 Vac/50-60Hz
Case Design3mm Brushed Stainless
Steel Front Panel
3mm Brushed Black
Anodized
Aluminium Back Panels
3mm Brushed Stainless
Steel Front Panel
3mm Brushed Black
Anodized
Aluminium Back Panels
3mm Brushed Aluminium
Front Panel
3mm Brushed Black
Anodized
Aluminium Back Panels
6mm Brushed Aluminium
Front Panel
Powder coated
folded steel
Back Panels
Price***$4950 USD with pre-order​$3450 USD with pre-order​$2365 USD$4495 USD

** Specifications and feature set have not been finalized and should be taken as a guide only.

*** Pricing does not include freight and taxes.