Your best bet for ordering a Chardonnay is to contact Mick directly through the e-mail address listed on the website. Due to the time difference he will get back to you within 24 hrs. and you can discuss your purchase directly. I just was in contact today about buying a Cabernet to upgrade from my Chardonnay.
The Chardonnay has two knobs and two switches on top of the control unit. Front right is a knob for balance and rear right is for gain adjustment. The two switches in the rear center are for mute and turning the gain adjustment on and off.
Per my discussion with him today the lead time is 3-4 months due to Covid supply chain issues. Again contact him directly for concrete answers to any questions you have.
I have used the Chardonnay with six different amps including two tube amps and it doesn't care what kind of amp is on the other end. Just adjust the gain on the preamp to match the needs of the amps

