Modbar Espresso AV System - Auto-Volumetric Dosing
Modbar Espresso AV System - Auto-Volumetric Dosing
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The Modbar Espresso AV system is a game-changing addition to our commercial equipment lineup. Born from a ground-up rethink of the original architecture, this next-generation under-counter marvel combines Modbar’s iconic, barrier-free design with the engineering muscle and industry-leading reliability of La Marzocco. Built directly on the robust mechanical foundation of the legendary Linea PB workhorse, the Modbar AV overhauls everything under the hood. The result is an elegant, above-counter espresso tap equipped with a simple barista interface, intuitive display, and highly responsive multi-zone heating technology that guarantees perfect thermal stability from the first morning shot to the peak afternoon rush.
Engineered to optimize modern café workflows and foster genuine customer interaction, the system delivers absolute, unmatched shot-to-shot consistency. It features reliable auto-volumetric dosing, a 4-position programmable lever, and a flexible Add-a-Tap design that allows you to operate up to two taps from a single module as your business volume grows. Advanced integration options include built-in drip tray scales that utilize La Marzocco’s innovative Drip Prediction software to accurately stop extractions by weight or brew ratio without manual offsets. Merging premium aesthetics with technical serviceability—such as consolidated side-panel utility connections—this system creates a truly magical experience for guests while serving as an efficient powerhouse for your baristas.
Modbar Espresso AV System Brochure
Modbar Espresso AV System User Manual
You get this when you Purchase through Prime Coffee Suppliers:
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Free! Delivery (Worth £95): 1-3 days Free Standard UK Delivery, Direct from
UK Warehouse. -
Free! Bronze Service Plan (Worth £1200): Gives you 1-year parts coverage, labour or call-out fees, direct phone support for quick technical help. Click here for more info about this plan
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Free! Installation, Water Filter and on-site training (Worth £350)
- Free! 5KG of MONT58 Sustainable Coffee Beans (Worth £30): Start your journey with premium beans on us.
- 10 Trees planted with every order of a Modbar Espresso AV System With our environmental Project through Ecologi.
Features

La Marzocco Linea PB DNA: Built with the exact same heavy-duty internal architecture, multi-boiler design, and rotary pumps as the iconic Linea PB café workhorse.
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Advanced Auto-Volumetrics: Program precise shot volumes directly via a 4-position programmable tap lever for continuous, repeatable extraction.

Scalable "Add-a-Tap" Design: A single under-counter module can power up to two independent above-counter taps with zero performance drops, allowing your gear to
scale seamlessly as your business grows.

Predictive Drip Software: Utilises La Marzocco's algorithm to calculate flow rate variations in real-time, automatically stopping the shot at your target weight without needing manual offsets.

Smart Multi-Zone Thermal Stability: Uses predictive software factoring in time, usage, and multi-stage heating zones across 1.5 metres of insulated tubing to ensure identical brew temperatures shot after shot.

Integrated Drip Tray Scales (Optional): Supports built-in scales to switch seamlessly between mass-mode, pulses, or custom brew-ratio extraction workflows.

Streamlined Commercial Servicing: All main water, electrical, and drainage line connections are strategically consolidated on the side panels of the under-counter module for easy technician access.
Specification for Modbar Espresso AV System
| Category | Parameter | Specification Detail |
| Physical Dimensions | Above-Counter Tap (Per Unit) | 14 cm x 32 cm x 36 cm (5.4" x 12.5" x 14.0") |
| Under-Counter Module (1-Group) | 43 cm x 38 cm x 22 cm (17.0" x 14.9" x 8.5") | |
| Under-Counter Module (2-Group) | 43 cm x 38 cm x 22 cm (17.0" x 14.9" x 8.5") | |
| Component Weight | Above-Counter Tap | 10.5 kg (23 lbs) |
| 1-Group Module | 16.5 kg (36.5 lbs) | |
| 2-Group Module | 18.0 kg (40.0 lbs) | |
| Boiler & Water Capacity | 1-Group Module Boiler | 1.4 Litres (AISI 300 Stainless Steel) |
| 2-Group Module Boiler | 2.8 Litres Dual Boiler System (1.4L per boiler) | |
| Brew Group | Independently Heated Brew Group | |
| Electrical (1-Group Module) | Voltage / Frequency / Phase | 208V – 240V | 50/60 Hz | Single-Phase |
| Amperage Draw & Wattage | 7A | 1,545W – 1,650W total element capacity | |
| Electrical (2-Group CE) | Voltage / Frequency / Phase | 220V – 240V | 50/60 Hz | Single-Phase |
| Amperage Draw & Wattage | 11A | 3,233W total element capacity | |
| Electrical (2-Group ETL) | Voltage / Frequency / Phase | 208V | 60 Hz | Single-Phase |
| Amperage Draw & Wattage | 13A | 2,733W total element capacity | |
| Plumbing & Water Supply | Intake Fitting Requirements | Dedicated 3/8" compression angle stop valve |
| Supply Line Flow Rate | Minimum delivery speed of 3.8 Litres (1 Gallon) per minute | |
| Safe Pressure Operating Window | Minimum 35 PSI (0.24 MPa) // Maximum 70 PSI (0.48 MPa) | |
| Filtration Target Standards | Commercial B2B setup optimized to 90–150ppm TDS | |
| Drainage Requirements | Waste Line Configuration | 3/4" male barb connection with a 5-foot armored hose |
| Main Countertop Gravity Drain | Minimum 1.5" interior diameter open gravity waste receptor | |
| Required Piping Pitch Profile | Continuous downward slope of at least 1" drop per foot | |
| Functional Infrastructure | Scalability Limits | Supports a max of 2 taps per under-counter module |
| Distance Threshold Limit | Max 1.5 metres (5 feet) of line distance from tap to module | |
| Hardware Ecosystem | Fits standard La Marzocco 58mm commercial portafilters |
The Magic of Hospitality: Why the Modbar Espresso AV Belongs in Your Business
For many specialty cafés and premium venues, the traditional setup of a bulky espresso machine acts as a massive steel fortress, trapping baristas and cutting off the vital connection with guests. If you want to break down those physical barriers and transform coffee preparation into an immersive visual experience without losing the high-volume performance your business relies on, the La Marzocco Modbar Espresso AV is the ultimate solution. Engineered as a ground-up rethink of under-counter brewing, this system delivers world-class mechanical precision within an ultra-sleek, minimalist package that puts hospitality back at the center of your counter.
A Seamless Countertop Aesthetic Meets Legendary Engineering
The core philosophy of the Modbar Espresso AV is about shifting the heavy lifting out of sight while retaining absolute extraction precision.
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Iconic Under-Counter Design: By concealing the complex boilers and pumps neatly beneath the countertop, only the elegant, low-profile stainless steel taps remain visible. This opens up your space, dramatically increases natural light, and turns your brew bar into an open stage for customer interaction.
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The Linea PB Workhorse DNA: Rather than designing a completely unproven system, Modbar partnered with La Marzocco to build the Espresso AV on the exact internal architecture, multi-boiler design, and reliable auto-volumetric technology of the industry-standard Linea PB. It is a legendary café workhorse tucked neatly beneath your counter.
Multi-Zone Thermal Control and Predictive Consistency
High-volume service requires unwavering thermal stability, a challenge Modbar solves through sophisticated multi-stage technology.
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Instant Temperature Reaction: Unlike standard machines that rely on short delivery pathways, the Modbar AV uses a highly responsive system that instantly reacts to time, volume, and usage changes. Incorporating multiple heating zones across 1.5 meters of insulated tubing, it guarantees identical, rock-solid brew temperatures whether it is your first shot of the morning or the peak of a busy rush.
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Smart Software & Scalability: Equipped with La Marzocco's innovative Drip Prediction software, the machine maps flow rates in real-time to stop shots accurately at your precise target weight without manual offsets. Furthermore, its modular Add-a-Tap design means a single under-counter module can power up to two independent taps, allowing your gear to expand seamlessly as your business grows.
Premium Commercial Integration Benefits
| Feature | What It Means For Your Business |
| Barrier-Free Layout | Removes the physical "wall" between staff and guests, driving cross-selling and customer loyalty. |
| La Marzocco Reliability | Built with Linea PB internals, making it easy to source parts and secure qualified commercial technicians. |
| Add-a-Tap Scalability | Lowers startup costs by letting you install a single tap now and easily plug in a second group head later. |
| Predictive Drip Software | Automatically hits your programmed brew ratios by weight, ensuring flawless shot-to-shot consistency. |
| Side-Panel Utility Connections | Consolidates water, power, and drainage paths to the side of the module for incredibly easy technician access. |
The Verdict
The La Marzocco Modbar Espresso AV proves that achieving a clean, minimalist design does not mean cutting corners on high-volume commercial power. By combining an advanced multi-zone heating system, dependable auto-volumetric dosing, and an elegant above-counter footprint with the legendary reliability of a Linea PB, it strips away the mechanical bulk to let your staff focus on what matters most: exceptional coffee and remarkable hospitality. If you want to elevate your customer experience and future-proof your café workflow, this premium Italian masterpiece is the ultimate addition to your business.
Scouting Innovation: Prime Coffee Suppliers Hits the London Coffee Festival to Explore the Modbar Lineup
LONDON — The annual pilgrimage to East London’s iconic Old Truman Brewery on Brick Lane remains the ultimate litmus test for the future of the hospitality sector. For the procurement and engineering teams at Prime Coffee Suppliers, the recently concluded London Coffee Festival provided the perfect stage to evaluate the latest technical hardware shaping modern café design. At the absolute top of the sourcing agenda this year was an in-depth, hands-on assessment of the highly acclaimed La Marzocco Modbar under-counter system.
As open-plan hospitality, minimalist counter layouts, and experiential design transition from niche trends to core commercial requirements, traditional above-counter espresso machines are increasingly viewed as physical barriers to customer engagement. To experience the alternative firsthand, the Prime Coffee Suppliers team spent extensive time at both the Modbar stand and the festival’s high-octane Latte Art Live stage, where the sleek, low-profile Modbar system was designated as the official machinery partner. The open layout proved immediately transformative: without a massive metal chassis blocking the view, audience members and buyers enjoyed an unhindered, close-up look at world-class baristas executing precision pours.
Putting the Hardware to the Test
Beyond aesthetics, the technical team at Prime Coffee Suppliers subjected the Modbar lineup to rigorous performance analysis during the festival’s high-volume roaster takeovers.
The evaluation focused heavily on the Modbar Espresso AV (Auto-Volumetric) system. Built on the mechanical foundation of the legendary La Marzocco Linea PB, the system proved it could handle relentless back-to-back service without a single hitch in thermal stability. The team observed:
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Thermal Consistency: Modbar’s multi-zone PID heating loops effectively overcame the classic under-counter challenge, keeping temperature delivery rock-solid across insulated fluid lines throughout peak afternoon rushes.
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Integrated ABR Scales: The built-in drip tray scales utilizing La Marzocco’s Drip Prediction software were put through their paces, automatically halting extractions at precise mass targets to eliminate human error.
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Modular Versatility: The team explored the full ecosystem, assessing the standalone Modbar Steam tap—featuring a dual-stage lever and cool-touch wand—alongside the automated Modbar Pour-Over tap, which allows a single barista to scale multi-profile filter brewing workflows.
The Supplier’s Verdict
"Seeing the Modbar system anchoring major interactive zones like Latte Art Live and the True Artisan Café leaves no doubt about its commercial readiness," noted the Head of Equipment Procurement at Prime Coffee Suppliers. "For our B2B clients in the luxury boutique, high-end hotel, and specialty café sectors, Modbar isn't just about freeing up counter space. Because it shares internal components and engineering DNA with the standard La Marzocco lineup, it gives our service division absolute confidence in long-term parts reliability and maintenance simplicity."
With the insights gathered from the showroom floor, Prime Coffee Suppliers is officially expanding its commercial portfolio to offer fully integrated Modbar consultation, custom bench-drilling installation templates, and multi-tap lease packages tailored for premium hospitality fit-outs.






About the Brand
La Marzocco Modbar began in the early 2000s when two American bandmates and coffee professionals set out to shatter the physical barrier of bulky traditional espresso machines by hiding the complex mechanical clutter beneath the counter and leaving only elegant, minimalist taps above. Recognizing the revolutionary potential of this under-counter design, industry giant La Marzocco became an early investor in 2012, eventually absorbing the brand's manufacturing entirely into its legendary factory in Florence, Italy. Today, Modbar operates as a premium, design-forward sub-brand whose equipment is built with the exact internal DNA, heavy-duty boilers, and electronic reliability of the iconic La Marzocco Linea PB. By combining this world-class mechanical power with cutting-edge multi-zone thermal stability, Modbar has become the global benchmark for luxury hotels, high-end retail boutiques, and specialty cafés looking to turn coffee service into a barrier-free, interactive piece of theatre.
