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I own Bliss Hifi, a high-end audio boutique and this PrimaLuna Dialogue Premium Power Amplifier Tube Amplifier is being listed as a trade in from one of my clients. It is in very good condition, with a minor ding / paint loss on one side of the chassis, but it presents in excellent condition from most angles and is in perfect working order.

This amplifier was purchased new by my client from Upscale Audio, so this is a one-owner unit. It comes with upgraded KT-120 output tubes with plenty of life left, as well as the stock 12AU7. The amplifier is securely triple boxed in its original packaging and comes with its manual, remote control, and power cable.

If you want a second matching amplifier to use as monoblocks, my client still has the second one and is willing to sell for a similar price. Contact me and we can discuss total pricing for both.

I have personally owned a number of PrimaLuna Dialogue amps over the years and they are a very good value for the money, especially on the used market. They exhibit the speed and coherence of solid state while delivering tube magic, similar to Audio Research.

Check my stellar feedback and buy with confidence. This listing includes free insured shipping across the CONUS. I prefer fee-free payments, which include ACH bank payments, PayPal F&F, Venmo Gift, cashier’s check, and personal check (has to clear prior to shipping), but I can accept credit card payments through my QuickBooks invoicing system. Considering that free oversized shipping and credit card conveniences are covered, the listing price is FIRM and more than fair. If you want to pay with PayPal F&F or another fee-free method, I’ll drop the price by $100.

Happy to answer any questions. Thanks for your consideration.

More about the unit:

Designed by Dutch audio veteran Herman van den Dungen, whose four decades in high-end audio earned him recognition as the field’s “Keith Richards,” the Dialogue Premium represents a radical departure from traditional tube amp complexity through its revolutionary Adaptive AutoBias technology. Unlike simple cathode bias circuits found in lesser amplifiers, PrimaLuna’s true smart bias system employs an array of sensors that monitor and adjust each tube in real time while remaining completely passive and outside the signal path, automatically protecting against tube failures with LED indicators while dramatically extending tube life. The amplifier features massive custom-wound output transformers designed and built in-house for exceptional bandwidth, combined with an innovative AC Offset Killer circuit that reduces transformer noise to unprecedented levels regardless of AC quality. Premium components include Swiss-made silver-plated OCC copper with Teflon dielectrics in critical signal paths, Japanese TAKMAN resistors prized by modders, and French capacitors selected through exhaustive listening tests, all assembled with meticulous point-to-point wiring. The result is a rare combination of lush midrange warmth and powerful dynamic slam that consistently earns Stereophile Class A ratings and prompts reviewers to declare it their benchmark in tube amplification.

Beyond exceptional sonic performance, the Dialogue Premium offers unprecedented versatility and future-proof design rarely found at any price. The amplifier delivers 42 watts per channel in ultralinear mode or 25 watts in triode mode with standard EL34 tubes, switchable on-the-fly via remote control for sonic fine-tuning. A rear-panel switch instantly converts the unit to monoblock operation, doubling power to 84 watts ultralinear or 50 watts triode while adding a 2-ohm speaker tap to the standard 4, 8, and 16-ohm outputs. Tube rolling enthusiasts can choose from an extraordinary range including EL34, 6CA7, KT66, 6L6GC, 7581A, 6550, KT88, KT90, KT120, and even the massive KT150—compatibility with tubes not yet invented when the amp was designed. The six 12AU7 input tubes and four EL34 power tubes sit atop a robust 64-pound chassis measuring 15.4 inches wide by 8.3 inches high by 16 inches deep, with frequency response extending from 12Hz to 75kHz and signal-to-noise ratio of 94dB. The Dialogue Premium competes firmly with amplifiers costing $10,000 and more, delivering what reviewers describe as goosebump-inducing soundscapes with texture, space, and dynamic impact that make listeners rediscover their entire music collections.

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