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Supro Unveils High-End Amp Series: Delegate Custom & Ambassador Custom

This new series includes two exceptional combo amps, the Delegate Custom and the Ambassador Custom, both hand-built in the USA using "ultra-premium" components.

This new Supro series includes two combo amps, the Delegate Custom and the Ambassador Custom, Both hand-built in the USA using “ultra-premium” components. 

Supro Style

Supro’s Delegate Custom and Ambassador Custom both look great and have that classic vintage aesthetic.  The Valco-inspired wraparound cabinets, crafted from poplar and available in black or burgundy custom Scandia Tolex with gold accents, give them a classic vintage appearance.

The hemp grille cloths and the iconic Supro badge in black complete the vintage Supro tube amp aesthetic. One look at these amplifiers, and you’ll immediately recognise the distinctive Supro brand.



Craftsmanship Beyond Expectations

Supro has gone all out to ensure that these amplifiers not only look the part but also deliver top-notch tones.

Under the hood of both the Delegate Custom and Ambassador Custom, you’ll find top-of-the-line Mercury Magnetics transformers, vintage-correct Mallory capacitors, and precision-matched EHX tubes. Both amplifiers feature tube-driven spring reverb for that classic sound.


Delegate Custom: Small but Mighty

The Delegate Custom, the smaller of the two, is a 1×12 tube combo amp that packs 25 watts of Class A power.

It boasts a single Celestion Greenback speaker and a straightforward front panel with gold-embossed dials on a gold metal panel. The controls for Volume, Treble, Middle, Bass, Verb, and Master Volume make it easy to dial in your desired sound.

Under the hood, you’ll find a trio of 12AX7s and a single 12AT7 in the preamp section, along with a pair of 6V6 tubes in the power amp.

All these components work together to produce a “wide-open, immediate sound” that is sure to captivate any guitarist. Supro’s description promises “gushing overdrive and a hearth of warm mids,” providing a broadband sound rich in harmonic color and responsiveness to your instrument.

Ambassador Custom: Versatile and Iconic

The Ambassador Custom is equally impressive, offering 50 watts of Class AB power that can be switched down to a single-ended 35-watt output.

This lower-wattage option delivers the classic Supro Class A tone, while the full-throated Class AB mode provides a scooped ‘California grid-biased’ vibe with a rock-solid low-end and “faster transient response.”


Class A/Class AB

The front panel of the Ambassador Custom resembles that of the Delegate, with a toggle switch for Class A/Class AB operation being the only difference.

It’s equipped with a pair of Supro BD10 drivers, manufactured under license by Celestion. Both amplifiers can be controlled with a footswitch to toggle the reverb on and off.

Pricing and Availability

For those eager to get their hands on these premium amplifiers, the Supro Delegate Custom is priced at $3,299, while the Ambassador Custom is available for $3,499. Both models are now available for purchase.


In summary, Supro has raised the bar once again with the introduction of its high-end tube amp series.

With meticulous craftsmanship and a commitment to delivering iconic tones, the Delegate Custom and Ambassador Custom are poised to become favorites among guitarists seeking top-tier amplification. For more details and to make your purchase, visit Supro’s official website.

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