Swipe or use the previous and next buttons to browse. Select an image to open a magnified view.
Nordost · QRT
$4,500
Not currently in our rooms. For a serious buyer we will often bring a piece in from the manufacturer for a private session — tell us about your system and what you are weighing it against, and we will advise.
Nordost · QRT
The high-power QSOURCE: dual transformers and the same six-output layout, with roughly twice the continuous output of the original for music servers, larger streamers and several components at once.
Price is for one power supply with a spare fuse. New for 2026; QSOURCE DC cables are specified per component and sold separately.
Authorized Nordost dealer · Delivery and installation by Pearl Audio · Trade-ins welcome
The story
The QSOURCE MKII is Nordost's high-power linear supply. It keeps the original's design, a fanless linear circuit with an internal QRT module that smooths the DC output and removes noise artifacts from the line, and adds a second top-grade transformer so that the variable outputs can deliver far more current. Nordost rates output A at up to 114 W continuous at 19 V and output B at 72 W at 24 V, with short-term peaks of 160 W and 100 W, which brings music servers, larger streamers and DC-powered DACs within reach of one supply.
The back panel carries four 5 V outputs for QPOINT Resonance Synchronizers and two variable outputs: A selects 9 or 12 V and B selects 12, 19 or 24 V, each by a switch, with a blue LED on the front once the unit is powered. All six outputs can be used at once within the published power limits. The unit is factory-set for 115 V and protected by a 3.15 A time-lag ceramic fuse, with a spare in the fuse holder.
Choose the MKII when the component you are powering draws more than the original QSOURCE's 66 W variable output, when you want to run a server and a switch from one supply, or simply as the reference choice in a system built on QNET7, QBASE Reference and QKORE. We specify the DC cables and voltage settings for your components before it ships.
| Type | High-power linear power supply, fanless |
| AC input | Switchable 115 V/60 Hz or 230 V/50 Hz |
| AC fuse | T3.15 A / 250 V time-lag, ceramic body; spare supplied |
| DC outputs | 4 × 5 V; output A 9/12 V; output B 12/19/24 V |
| Output power, continuous | 24 V: 72 W · 19 V: 114 W · 12 V (A): 30 W · 12 V (B): 24 W · 9 V: 30 W · 5 V: 15 W (combined output may be lower) |
| Output power, short-term peak | 24 V: 100 W · 19 V: 160 W · 12 V (A): 42 W · 12 V (B): 34 W · 9 V: 42 W · 5 V: 20 W |
| Rated ambient | 25 °C (77 °F) |
| Dimensions | 285 × 196 × 85 mm (11.2 × 7.7 × 3.4 in) |
| Weight | 7.7 kg (17 lb) |
| Sold as | Single unit |
| Warranty | Two-year limited |
Nordost QSOURCE product page Specifications from the Nordost QSOURCE MKII instruction manual and the Nordost USA price list (August 2026).
Nordost QRT power and network products, by price.
The original QSOURCE remains the right choice for a QNET and a few QPOINTs.
Plan your Nordost system with Pearl Audio
Pearl Audio is an authorized Nordost dealer and Nordost is the power, grounding and network foundation we recommend for high-end systems. We can plan power distribution, grounding, resonance control and the network path for your system and arrange an audition in our Portland showroom. Call (503) 222-2599 or email sales@pearlaudio.com.
The Pearl Audio experience
A system at this level should be heard, thoughtfully matched, and properly set up. From the first audition to long-term ownership, you work with the same people, in person.
The QSOURCE MKII Linear Power Supply is not in our rooms at present. When it is the right piece for a client we arrange a demonstration unit from the manufacturer and set it up for a private session.
We deliver and install throughout the Portland area, taking care of placement, connections, ventilation and system configuration ourselves.
We support everything we sell for as long as you own it, whether the answer comes by phone, in your home, or through factory service.
Trade-in assistance and qualifying 100% Trade-Up options give you flexibility when your listening priorities or your system change.
