AudioFuAudioFu Chart · October 2026
Best Heritage Audio 500 Series Components 2026
The top pick is Heritage Audio OST-6 V2.0 6-Slot 500 Series Powered Rack ($671). Heritage Audio HABPNL 500 Series Blank Panel gives you the most for the money at $21. Heritage Audio Grandchild 670 500 Series Compressor Module leads the high end. Ranked by the AudioFu Index from 9 models, prices checked every night.
Last updated: October 12, 2026
Top 9
Full detail for the 9 highest AudioFu Index scores. Every other model is listed below.
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Heritage Audio OST-6 V2.0 6-Slot 500 Series Powered Rack
OST-6 V2 · Heritage Audio
5 for sale on Reverb1 finish at Thomann
- Size19"
- Weight2.368 kg
The OST-6 V2 is a solid, no-frills 500 series chassis – exactly what you need to build a focused signal chain. It's perfect for engineers and producers who want a reliable, well-powered home for their favorite modules without breaking the bank. The build quality is surprisingly good for the price point, and the On-Slot feature is a real time-saver.
Pros
- Robust sheet steel chassis offers excellent module protection.
- On-Slot technology ensures clean, reliable power to each module.
- Aluminum front panel adds a professional, refined aesthetic.
Cons
- Limited to six 500 modules, restricting expandability.
- External power supply adds clutter and potential noise floor.
60AudioFu
IndexStableno change since Aug 14Aug 14$671 now$671€599 at Thomann · in stockCheck price ↗ -
Heritage Audio i73 Pro Edge USB-C Audio Interface
73 EQ Jr. · Heritage Audio
20 for sale on Reverb1 finish at Thomann
The Heritage Audio 73 EQ Jr. nails that classic Neve vibe. It’s a beautifully simple, powerful EQ, perfect for adding warmth and character to vocals, guitars, or anything needing a touch of vintage polish. If you’re chasing a specific sonic signature and appreciate a straightforward workflow, this is a serious contender.
Pros
- Carnhill transformers deliver a signature warmth and vintage character
- Fixed Q provides precise, musical shaping of frequencies
- Class A preamp adds subtle harmonic richness and gain
Cons
- Fixed Q can limit versatility for complex dynamic EQ tasks
- Price places it in a premium-priced tier for 500 series modules
60AudioFu
Index↓ 1.1%since Aug 14 · lowest so far$1,037 · Aug 14$1,025 now$1,025€915 at Thomann · in stockCheck price ↗ -
Heritage Audio Grandchild 670 500 Series Compressor Module
Grandchild 670 · Heritage Audio
5 for sale on Reverb1 finish at Thomann
- Weight1.12 kg
The Grandchild 670 nails that sought-after Fairchild vibe – it’s got a gorgeous, smooth compression that's perfect for vocals, bass, and anything needing a touch of vintage glue. If you’re chasing that classic studio sound and have the space in your rack, this is a serious contender for a flagship compressor.
Pros
- NOS 6BA6 tubes deliver a creamy, classic Vari-Mu warmth.
- Custom-wound transformers impart a distinct, vintage color and character.
- Flexible attack/release times and variable slope offer tonal shaping.
Cons
- Premium-priced, a significant investment for a 500 series module.
- Relatively high power draw may strain some power supplies.
53AudioFu
IndexStableno change since Aug 14Aug 14$2,240 now$2,240€1,999 at Thomann · in stockCheck price ↗ -
Heritage Audio Lang 312L 500-Series Microphone Preamp
LANG 312L · Heritage Audio
10 for sale on Reverb1 finish at Thomann
The LANG 312L is a seriously good-sounding preamp, especially if you're tracking drums or guitars and want that classic NY studio vibe. Those transformers really add something special, giving your signals a real weight and presence – it’s a fantastic addition for anyone chasing that vintage, punchy tone.
Pros
- CineMag output transformer delivers a warm, authoritative low-end.
- HS-880 op-amp provides exceptional transient response and clarity.
- 2622 LANG input transformer handles ribbon mics exceptionally well.
Cons
- Limited to a single channel, restricting multi-mic recording scenarios.
- 500 series format requires a frame, adding to overall system cost.
52AudioFu
IndexStableno change since Aug 14Aug 14$447 now$447€399 at Thomann · in stockCheck price ↗ -
Heritage Audio OST-4 V2.0 4-Slot 500 Series Frame
OST-4 V2 · Heritage Audio
4 for sale on Reverb1 finish at Thomann
- Weight1 kg
The OST-4 V2 is a solid, no-nonsense 500 series frame. It's built like a tank and the On Slot power delivery is a real boon for sensitive modules, preventing those annoying power-related gremlins. Ideal for engineers building a focused, high-quality signal chain without needing a massive rack.
Pros
- Robust sheet steel chassis provides excellent module protection
- On Slot technology ensures clean, stable power to each module
- Aluminum front panel looks and feels premium, resists wear
Cons
- Limited to four modules; expansion requires additional frames
- External power supply adds to clutter and potential noise issues
50AudioFu
IndexStableno change since Aug 14Aug 14$414 now$414€369 at Thomann · in stockCheck price ↗ -
Heritage Audio OST-10 V2 10-Space 500 Series Rack Frame
OST-10 V2 · Heritage Audio
4 for sale on Reverb1 finish at Thomann
- Weight2.5 kg
The OST-10 V2 is a serious contender for anyone building a dedicated 500 series rack. Heritage Audio’s On Slot power delivery really shines, keeping your modules running clean and stable, which is vital for critical tracking and mixing applications. It's a premium-priced solution geared towards engineers and producers who value quality and reliability.
Pros
- Robust sheet steel chassis provides excellent vibration damping
- On Slot technology ensures clean, consistent power to modules
- Aluminum front panel looks classy and feels substantial
Cons
- Limited to ten 500 modules – expansion can become costly
- The external power supply adds to the overall footprint
50AudioFu
IndexStableno change since Aug 14Aug 14$895 now$895€799 at Thomann · in stockCheck price ↗ -
Heritage Audio OST-8 ADAT 8-Slot 500-Series Rack Frame
OST-8 ADAT · Heritage Audio
1 for sale on Reverb1 finish at Thomann
- Size19"
- Weight4.7 kg
The OST-8 ADAT is a seriously solid foundation for a 500 series rack. It's a fantastic solution for engineers and producers wanting a compact, high-quality front-end for tracking or processing – especially those already invested in the 500 format. Just be mindful of the size and the external power brick.
Pros
- Robust sheet steel chassis ensures excellent durability for studio use.
- On Slot technology provides clean, stable power to each 500 module.
- Sub-D25 connectivity offers flexible routing options for complex setups.
Cons
- Limited to 500 series modules, restricting format choices.
- The physical size (3U) might be a constraint in smaller studios.
49AudioFu
Index↓ 2.8%since Aug 14 · lowest so far$1,220 · Aug 14$1,187 now$1,187€1,059 at Thomann · in stockCheck price ↗ -
Heritage Audio 73JR II 500 Series Microphone Preamp Module
73 Jr. II · Heritage Audio
6 for sale on Reverb1 finish at Thomann
The Heritage Audio 73 Jr. II is a fantastic recreation of a classic 1970s Neve 1073 preamp. It’s a premium-priced but worthwhile upgrade for anyone tracking vocals, acoustic instruments, or needing that authentic vintage vibe – especially those who love a touch of warmth and harmonic richness. It’s a real workhorse for singer-songwriters and indie recording studios.
Pros
- Carnhill transformers deliver that classic, warm British console tone
- Discrete Class A J-Fet DI is surprisingly clean and versatile
- Selectable input impedance shines with sensitive ribbon mics
Cons
- Limited headroom compared to some modern, high-voltage preamps
- Single-ended design can be noisier than dual-ended alternatives
47AudioFu
IndexStableno change since Aug 14Aug 14$1,007 now$1,007€899 at Thomann · in stockCheck price ↗ -
Heritage Audio HABPNL 500 Series Blank Panel
HABPNL · Heritage Audio
1 for sale on Reverb1 finish at Thomann
This Heritage Audio blank panel is a simple but essential addition for anyone building a 500-series rack. It's a no-frills solution for filling empty slots, and the RAF-Blue-Grey finish keeps things looking clean and professional – perfect for studios or home recording setups expanding their modular signal chains.
Pros
- Solid RAF-Blue-Grey finish adds a professional aesthetic.
- Durable metal construction ensures longevity in a rack environment.
- Provides a clean, blank slot for future module expansion.
Cons
- Offers no functionality on its own – purely a placeholder.
- Limited to 500-series format; not compatible with other rack types.
500 Series Components by the numbers
Measured across all 176 models we track, not a sample.
Median $895 — half of all 500 series components here cost less.
median of 18 models · 19"–19"
median of 24 models · 0.38 kg–6.4 kg
How to choose the best 500 series components
Heritage & Tone
Heritage Audio's designs are directly inspired by classic consoles like the Neve 1073 and the Focusrite ISA 110. That means you're getting that legendary fat midrange honk and smooth, musical saturation - the kind of warmth that makes instruments sit perfectly in a mix without sounding muddy. It's not a bright, sterile clean; it's a characterful preamp.
Transformer Technology
They use custom-wound Carnhill transformers in many of their modules. These aren't just for show; they impart a specific harmonic character that's crucial to that vintage console vibe. It's the secret sauce that adds that extra bit of glue and cohesion.
Build Quality
These are built like tanks. The metalwork is solid, the pots feel smooth and precise, and the component selection is top-notch. This isn't some flimsy plastic box; it's something you'll be using for years, gigging or in the studio.
Dynamic Range & Headroom
Heritage Audio modules generally offer excellent headroom, allowing you to push them into subtle saturation without clipping easily. This is a huge benefit when tracking drums or guitars - that extra headroom lets you capture those transient peaks without sacrificing the overall warmth.
Discrete Class A Design
Almost all Heritage Audio modules utilize discrete Class A circuitry. This design is known for its musical distortion characteristics and excellent transient response, contributing to a more dynamic and engaging sound, but also means they run hotter than some other designs - be mindful of that in a densely populated rack.
Buying guide
Okay, so you're diving into the 500 series world? Smart move - it's a rabbit hole, but a rewarding one. Heritage Audio is a name you absolutely need to know. They're not just slapping together another preamp; they're meticulously recreating classic British console tones, and doing it with a level of detail that's genuinely impressive for a modular format.
Look, you're paying a premium with Heritage Audio. They're not the cheapest 500 series modules out there, and you're paying for that meticulous recreation and the quality components. Don't expect a 'plug and play' experience - experiment with gain staging to really dial in the sweet spot.
If you're just chasing sterile, pristine recordings, these probably aren't for you, but if you want some genuine vibe and character, they're worth every penny.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 9 500 series components from the Thomann catalogue (of 176 in the category). Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
Are Heritage Audio modules true to the originals?
They're remarkably close. They've clearly done their homework, but there are subtle differences - it's not a perfect clone, but it captures the essence of those classic consoles extremely well. Expect a similar tonal character, but with a slightly modern refinement.
My 500 rack gets hot. Will Heritage Audio modules make it worse?
Yeah, they can. Their Class A design generates more heat. Make sure your rack has adequate ventilation, especially if you're packing it full of modules.
Which Heritage Audio module is best for vocals?
The 1073 EQ is a classic choice for a reason - it's incredibly versatile. The 6MC is also fantastic, offering a more neutral preamp with a beautiful sheen. It really depends on the vocalist and the vibe you're going for.
Can I use these modules for tracking electric guitar?
Absolutely! They're amazing for adding warmth and grit to electric guitars. The 1073 preamp can really thicken up a rhythm part, while the 6MC can add a subtle sparkle. Experiment with the EQ to find the sweet spot.
What's the difference between the different 1073 variations?
Heritage Audio offers several 1073 variants (Elite, Legacy, etc.). The Elite is their flagship, offering the highest component quality and the closest recreation of the original. The Legacy is a more affordable option with a slightly different tonal character but still delivers a lot of that classic 1073 mojo.
