a90

I found not many teardowns with this model, especially with the output transistors uncovered and with surrounding close-ups, so I decided to purchase one for myself (second hand) to pair it with my D90 MQA then write an article here on ASR. Looks like taking the PCB out from the case if somehow...

For sale the famous HP amp Topping A90 (black) in excellent condition with all accessories/original packaging. Bought from audiophonics.fr (purchase invoice will be included) Ships from Greece. Price: 350Euros

What is the best DAC-headphones combo for A90 under 2k in terms of detailt retrival and transparency specifically on mid's and high's? Thanks!

Purchased new from Apos Audio a few months ago. Plenty of power for anything you have and dead quiet with any of my IEM's. Comes with original box, 3.5mm adapter and power cable. 400$ shipped to CONUS PM for any questions side note: if you use Hart Audio Cables I have a 4.4mm 90' (in picture)...

I’m quite new to the audiophile realm and the amount of knowledge you guys have is truly admirable. It’s precisely why I decided to start a thread, I want to exercise as much restraint as possible when considering purchasing a phono preamp or whatever is required in order to utilize my current...

Hi all, I wanted to share something with you all after months of reflecting about it without reaching any reasonable conclusion or output... Maybe getting older but nothing else xD I have been an "Audiophile" and an engineer for quite some years now, I have had different equipment, from very...

In excellent condition, bought new from Apos Audio in May 2020. SINAD of 121 dB per Audio Science Review measurements. Includes a short stereo pair of Canare L-2T2S with Neutrik XLR connectors balanced cables. Asking $400 + $30 shipping - local pickup available in Northern NJ (Montclair...

Offering up my Topping A90, located in Toronto, Canada. I’m open to sell it for $480 usd (trying to recover costs) and I’ll ship it within North America. If going overseas, we can figure out a fair shipping cost. Comes with Amp, Chrging Cable, associated manuals, 3.5 adaptor, and double boxed...

** SOLD **