Product Overview & Specifications
FUTURE-PROOF BY BEING FAR AHEAD
We decided to design, from the ground up, a discrete DAC whose unbeatable staying power results simply from being more than 10 years ahead of the performance curve. To put it into perspective: todays best DAC chip available, claims no better than 22 bits worth of dynamic range and only 20 bits worth of linearity. High resolution music deserves better than that. To accommodate this, Mola Molas DAC is designed using circuits and digital algorithms that were entirely developed in house.
The converter is a two board stack that fits into one of the option slots in the preamp. On the first board, all incoming digital audio is upsampled to 3.125MHz/32 bits and converted to noise shaped PWM. On the other board are two mono DACs, in which a discrete 32- stage FIR DAC and a single-stage 4th order filtering I/V converter, convert the PWM into analogue with a breathtaking 130dB SNR.
This is near the theoretical limit for 24-bit files and far beyond that of even quad-speed DSD. Uniquely, distortion remains below the noise floor even for full scale signals. A quick look at current and historic trends of high-end ICs indicates that for the foreseeable future this kind of performance will remain unavailable to manufacturers forced to rely on the same chip du jour that also powers their competitors products.
Even by todays exacting standards, extraordinary care has been taken to deal with jitter. Mola Molas DAC uses a home-grown asynchronous upsampling algorithm whose input frequency measurement slows down rapidly until after a few seconds of lock, the frequency ratio measurement is frozen. Frequency stability is then wholly determined by the internal clock, a laboratory grade 100MHz SC-cut oscillator. This is effectively an atomic clock sans the physics package (which contributes nothing to spectral purity but quite a lot to cost).
Features
I/O
AES/EBU (XLR)
Optical (Toslink)
USB type B
Bluetooth (SBC, AAC, APTX, LDAC)
Ethernet (Roon Ready)
SUPPORTED FORMATS
PCM up to 384kHz/32 bits (>192kHz and >24 bits via USB and Roon only)
DoP and Native DSD up to quad speed (USB and Roon only)
PERFORMANCE Full-Scale Output Level: 20dBu
Signal to Noise Ratio: 130dB
THD, IMD: not measurable (estimated -140dB)
Bandwidth: Up to 80 kHz (apodizing response)
Integrated jitter: <1ps from 10Hz upwards, <300fs from 1kHz upwards
Jitter rejection: >80dB at 1Hz after 20 seconds of lock
Manufacturer Site
Reviews
Customer Reviews
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Mola Mola DAC Module
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