Here’s two DACs similar in price.
the Mytek Brooklyn Bridge
Maximum output level / Impedance. 9.6Vrms / 73ohm
A-wtd S/N ratio (S/PDIF / USB) 112.9dB / 112.8dB
Distortion (1kHz, 0dBFs/–30dBFs) 0.0003% / 0.00017%
Distortion & Noise (20kHz, 0dBFs/–30dBFs) .0005% / 0.00035%
Freq. resp. (20Hz-20kHz/45kHz/90kHz) +0.0 to –0.0dB/–0.4dB/–1.9dB
Digital jitter (48kHz / 96kHz) <5psec / <10psec
Resolution (re. –100dBFs / –110dBFs) ±0.1dB / ±0.5dB
Power consumption15W (1W standby)
The Prima Luna EVO 100
Maximum output level / Impedance. 2.15Vrms / 2.35-12.2kohm
A-wtd S/N ratio (S/PDIF / USB) 104.9dB / 105.0dB
Distortion (1kHz, 0dBFs/–30dBFs) 1.07% / 0.025%
Distortion & Noise (20kHz, 0dBFs/–30dBFs) 1.03% / 0.026%
Freq. resp. (20Hz-20kHz/45kHz/90kHz) –1.6 to +0.1dB/–0.5dB/–7.4dB
Digital jitter (48kHz / 96kHz) 160psec / 80psec
Resolution (re. –100dBFs / –110dBFs) ±0.6dB / ±3.5dB
Power consumption 53W
Specs from Hi Fi News
It mentions in the review the Prima Luna uses a crystal as the Master clock the tube is used in he side bandwidth oscillator.
the Mytek Brooklyn Bridge
Maximum output level / Impedance. 9.6Vrms / 73ohm
A-wtd S/N ratio (S/PDIF / USB) 112.9dB / 112.8dB
Distortion (1kHz, 0dBFs/–30dBFs) 0.0003% / 0.00017%
Distortion & Noise (20kHz, 0dBFs/–30dBFs) .0005% / 0.00035%
Freq. resp. (20Hz-20kHz/45kHz/90kHz) +0.0 to –0.0dB/–0.4dB/–1.9dB
Digital jitter (48kHz / 96kHz) <5psec / <10psec
Resolution (re. –100dBFs / –110dBFs) ±0.1dB / ±0.5dB
Power consumption15W (1W standby)
The Prima Luna EVO 100
Maximum output level / Impedance. 2.15Vrms / 2.35-12.2kohm
A-wtd S/N ratio (S/PDIF / USB) 104.9dB / 105.0dB
Distortion (1kHz, 0dBFs/–30dBFs) 1.07% / 0.025%
Distortion & Noise (20kHz, 0dBFs/–30dBFs) 1.03% / 0.026%
Freq. resp. (20Hz-20kHz/45kHz/90kHz) –1.6 to +0.1dB/–0.5dB/–7.4dB
Digital jitter (48kHz / 96kHz) 160psec / 80psec
Resolution (re. –100dBFs / –110dBFs) ±0.6dB / ±3.5dB
Power consumption 53W
Specs from Hi Fi News
It mentions in the review the Prima Luna uses a crystal as the Master clock the tube is used in he side bandwidth oscillator.