Vincent Audio SP-T700 Hybrid Mono Amplifier - Silver - Each

Vincent SP-T700 Hybrid Tube Monoblock Power Amplifier – Each

What You Need to Know

Tube Soul, Transistor Muscle—In One Groundbreaking Monoblock

The Vincent SP-T700 Hybrid Tube Monoblock Power Amplifier joins the best of two hi-fi worlds: a genuine vacuum tube amplifier stage for purity and musicality, driving a muscular transistor output stage that delivers 150 watts into 8 ohms and 300 watts into 4 ohms—with the first 10 watts in pure Class A.

Available in black or silver, each with Vincent’s signature illuminated tube window. Priced and sold individually—a stereo pair requires two.

The Blöhbaum Circuit: A New Kind of Hybrid

Most hybrid amplifiers simply bolt a tube buffer onto a transistor amp. The SP-T700 is different. Internationally acclaimed engineer Frank Blöhbaum designed a globally unique, directly coupled “trans-conductance” tube amplifier that performs the actual voltage amplification—with very high linearity and broad bandwidth—while the transistor stage supplies only the current.

The result: the amplifier’s character is governed by the highly linear tube stage, and its reproduction remains constant across the entire frequency range and load range.

Military-Grade Tubes Built for 10,000 Hours

The SP-T700’s three tubes—a 6S3P-EV, a 6SCH9P frame grid pentode, and a 6Z4 rectifier—are 100% selected frame grid tubes from the military sector, designed for a minimum service life of 10,000 hours. Compare that to the mere 500 hours guaranteed for a common ECC83.

Fully automated tube monitoring extends their life even further—so you enjoy tube sound without tube anxiety.

A Power Supply Taken Seriously

The tube stage’s supply is rectified by the 6Z4 valve, then electronically regulated and smoothed. The transistor stage draws on an over-dimensioned toroidal transformer and switching-stable electrolytic capacitors. Vincent’s power reserves are why modern speakers with small bass drivers, complex crossovers, and hair-raising impedance dips never faze the SP-T700.

Built to Drive Real-World Speakers

Vincent likens a great power amp to a ballet dancer lifting heavy weights while turning pirouettes: delicacy and brute strength at once. The SP-T700 renders voices and acoustic instruments with subtlety, then summons the punch of a rock stage—keeping even current-hungry speakers under complete control.

Hand-Crafted in Germany

The critical circuit boards are assembled and hand-tested in Germany by designer Frank Blöhbaum himself, who also performs final assembly and testing. This proprietary circuitry is a Vincent Audio exclusive—no one else has access to it.

Building Your System

Feed each SP-T700 from your preamplifier’s RCA outputs and place one beside each speaker for short cable runs. A/B speaker terminals support two pairs or bi-wiring, the Power Control trigger loop switches the pair on with your preamp, and the tube window’s glow is dimmable—or can be switched off entirely.

The natural partner is Vincent’s SA-T7 Diamond tube preamplifier, the combination European reviewers praised for “the highest level of craftsmanship.” Remember: one SP-T700 powers one channel.

Features & Specifications

Groundbreaking Hybrid Circuit by Frank Blöhbaum
Directly coupled trans-conductance tube stage; transistors supply only current.

150 Watts into 8 Ohms, 300 into 4
With the first 10 watts in pure Class A.

10,000-Hour Military-Spec Tubes
Selected frame grid tubes with fully automated monitoring.

Regulated Tube Power Supply
6Z4 valve rectification, electronically controlled and smoothed.

Over-Dimensioned Toroidal Transformer
Massive current reserves for difficult speaker loads.

Black or Silver, Illuminated Tube Window
Dimmable or defeatable glow; hand-built and tested in Germany.

Specifications

•          Type: Hybrid Tube/Transistor Monoblock Power Amplifier

•          Power Output: 150W RMS @ 8 ohms; 300W RMS @ 4 ohms

•          Class A Output: 10W @ 8 ohms

•          Frequency Response: 20Hz–20kHz (±0.5dB)

•          THD: <0.1% (1kHz, 25W)

•          Signal-to-Noise Ratio: >90dB

•          Input Sensitivity: 1V

•          Input Impedance: 22k ohms

•          Tube Complement: 1 x 6S3P-EV, 1 x 6SCH9P, 1 x 6Z4

•          Inputs: RCA (single-ended); Power Control Trigger In/Out (3.5mm)

•          Outputs: A/B Speaker Terminals (bi-wire ready; banana, spade, or bare wire)

•          Tube Window: Illuminated, Dimmable/Defeatable

•          Maximum Power Consumption: 306W

•          Dimensions: 8.26“W x 10.35”H x 15.7"D

•          Weight: 35.2 lbs

•          Finish: Black or Silver

•          Sold: Individually (two required for stereo)

•          Warranty: 2 Years Parts & Labor (tubes 90 days)

•          Made In: Germany (critical boards hand-assembled and tested by Frank Blöhbaum)

Frequently Asked Questions

Do I need two of these?
For stereo, yes—each SP-T700 powers one channel and is priced individually. Monoblocks let you place each amp at its speaker and keep both channels completely independent.

Will I be replacing tubes all the time?
No. The SP-T700 uses 100% selected military-sector frame grid tubes rated for a minimum of 10,000 hours—twenty times the guaranteed life of a common ECC83—and automated monitoring extends their life further still.

What preamp should I pair with it?
Vincent’s SA-T7 Diamond tube preamplifier is the designed-for match, and the pairing has earned outstanding European reviews. Any quality preamp with RCA outputs and a healthy output level will drive the SP-T700 beautifully.

Who is the SP-T700 designed for?
It’s for the listener who loves the warmth, texture, and dimensionality of tubes but owns real-world speakers that demand solid-state current and control—the best of both worlds, without compromise.

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