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Old 2nd July 2020
Gear Addict
Robb Robinson's Avatar

Verified Member
Originally Posted by Brent View Post
I was also looking at the CraneSong Solaris and matching it with a Benchmark HPA4 headphone amp.
I had the Solaris for over a year and have been using the HPA4 as my primary monitor controller and HP amp for over a month now. Both units are fantastic sounding and pair very well together.

The HPA4 is expensive but look at its specs:

THD < -125 dB (0.00006%)
SNR > 135 dB, unweighted, 20-20 kHz
SNR > 137 dB, A-weighted
Frequency Response - 0.003 dB at 10 Hz, -0.001 dB at 20 kHz
- 3 dB Bandwidth exceeds 0.1 Hz to 500 kHz
Output Impedance 60 Ohms
Output Noise < 1.9 uV at Unity Gain, 20-20 kHz
Maximum Input and Output Voltage, 20 Vrms (+28 dBu)
Crosstalk < -133 dB @ 1 kHz, -116 dB @ 10 kHz

There is currently nothing that measures better, and more importantly, it sounds that clean. It is the purest monitor controller Ive heard in 23 years of listening thru controllers. It is truly stunning and worth every penny imo (assuming you will be using it daily for years to come).