# Vincent SA-93 Plus PreAmplifier

> Vincent SA-93 Plus Preamplifier — Review Overview The SA-93 Plus is a dual-monaural stereo preamplifier from Vincent Audio, a brand that's built its reputation...

URL: https://audioexchange.co.za/product/vincent-sa-93-plus-preamplifier/
Published: 2026-07-20 | Updated: 2026-10-29
Source: Audio Exchange (https://audioexchange.co.za/)

## Product details

- Price: R12 000,00 (ZAR)
- Availability: In stock
- Condition: Used
- Brand: Vincent Audio

## Content

## Vincent SA-93 Plus Preamplifier — Review



## Overview


The SA-93 Plus is a dual-monaural stereo preamplifier from Vincent Audio, a brand that's built its reputation on hybrid tube/solid-state designs that aim to blend valve warmth with solid-state control. True to that formula, the SA-93 Plus pairs a tube-influenced signal path with a fully separated dual-mono layout, aiming to give each channel its own isolated amplification and power supply for cleaner channel separation.




## Build & Design


The chassis is genuinely substantial for a preamp, weighing around 11-15kg (specs vary slightly by source) and measuring roughly 430 x 84 x 360mm. Internally, the case is divided into two isolated sections to reduce interference: one housing the left and right channel amplification stages, and the other housing the power supply, built around two toroidal transformers rather than a single shared unit. Volume control runs through precision Crystal-brand chips specified to hold channel-to-channel difference to within 1dB — a detail that matters for accurate stereo imaging at all listening levels. The front panel carries Vincent's typical clean, understated look with a display and per-channel controls, and a full remote is included.




## Performance


Measured specs are solid for the class: frequency response of 10Hz–20kHz (±0.5dB), signal-to-noise ratio around 95dB, channel separation of 86dB, and total harmonic distortion under 0.1% at 1kHz. Those numbers point to a preamp that prioritizes low noise and accurate channel tracking over chasing extreme bandwidth figures.


Sonically, the SA-93 Plus sits in the sweet spot Vincent's hybrid designs are known for: cleaner and more neutral than a pure tube preamp, but with a touch more warmth and ease than an all-solid-state design. Owners of Vincent's preamp lineup broadly describe the house sound as balanced — neither too dark nor too bright — with a natural, unfatiguing quality that makes long listening sessions comfortable. The dual-mono construction and separated power supply are specifically aimed at tightening up bass control and stereo separation compared to simpler shared-supply designs.




## Features


Connectivity is generous for a preamp in this range: five unbalanced RCA inputs plus one balanced XLR input, with two RCA outputs, one balanced XLR output, and a dedicated RCA record output for tape or recording use. The bi-amping-friendly output configuration and balance controls make it a flexible hub for a variety of source components, and being designed as the natural partner to Vincent's own power amps (like the SP-991 series), it's built with easy pairing in mind for anyone building a full Vincent system.




## Value


Pricing has typically landed in the $1,000–$1,400 range depending on market and condition, positioning the SA-93 Plus as an accessible way into a genuine hybrid tube preamp with dual-mono construction — features that are often reserved for considerably pricier separates. It's consistently described in the Vincent community as excellent value, delivering a meaningfully more refined sound than typical solid-state preamps at a similar price point.




## Verdict


**Pros:** Genuine dual-mono construction with isolated power supplies; balanced, natural hybrid tube/solid-state sound; precise volume tracking between channels; solid connectivity including balanced XLR; strong value relative to the build quality on offer.


**Cons:** Bandwidth and distortion specs are good but not class-leading against premium solid-state rivals; styling is functional rather than a design statement; as a hybrid design, it still carries a tube stage that needs occasional attention over the long term.


**Bottom line:** The SA-93 Plus is a well-regarded, sensibly priced entry into genuine dual-mono hybrid preamplification. For anyone wanting Vincent's characteristic tube-solid-state balance with serious build quality behind it, it's a preamp that punches well above its price.

The Vincent SA-93 Plus is a high-end, dual-mono solid-state preamplifier featuring strict channel separation, a massive power supply with dual toroidal transformers, and Burr-Brown op-amps. It delivers exceptional low-distortion audio with a nominal output voltage of 2 V and frequency response of 10 Hz - 20 kHz. [[1](https://reverb.com/item/7531261-vincent-sa93-plus-dual-monoaural-preamplifier), [2](https://www.youtube.com/watch?v=aXITbpWnrpg)]




Key Specifications





- Frequency Response: 10 Hz - 20 kHz







- Total Harmonic Distortion (THD): < 0.03%







- Signal-to-Noise Ratio (SNR): > 95 dB







- Nominal Output Voltage: 2 V (max 8 V)







- Input Sensitivity: 380 mV







- Input Impedance: 47 kΩ







- Power Consumption: 15 W







- Dimensions (W x H x D): Approx. 430 x 84 x 360 mm (17 x 3.3 x 14 inches)







- Weight: ~10.9 kg to 15 kg (approx. 24 lbs, dependent on exact version/housing components) [[1](https://reverb.com/en-hu/item/7531261-vincent-sa93-plus-dual-monoaural-preamplifier), [2](https://vincent.manymanuals.com/audio-amplifiers/sa-93-plus/specifications-36704/30), [3](https://reverb.com/item/7531261-vincent-sa93-plus-dual-monoaural-preamplifier), [4](https://www.youtube.com/watch?v=aXITbpWnrpg), [5](https://www.facebook.com/themissinglinkaudiocables/posts/the-new-vincent-sa-32-ae-30th-anniversary-preamplifer-this-is-the-first-unit-in-/1406389301534121/)]









Connectivity & Features







- Inputs: 5x RCA stereo, 1x XLR stereo







- Outputs: 2x RCA stereo, 1x XLR stereo







- Design: Dual monoaural design (true balanced architecture)







- Included: Remote control and detachable power cord [[1](https://www.youtube.com/watch?v=aXITbpWnrpg), [2](https://reverb.com/item/7531261-vincent-sa93-plus-dual-monoaural-preamplifier), [3](https://reverb.com/en-hu/item/7531261-vincent-sa93-plus-dual-monoaural-preamplifier)]







For a deeper dive into the technical details or setup configuration, you can view the complete [Vincent SA-93 Plus User Manual](https://www.vincent-tac.de/fileadmin/pdf/BDA/Vorstufen/BDA_SA-93_Plus_DE_EN_FR.pdf). [[1](https://vincent.manymanuals.com/audio-amplifiers/sa-94)]