IK CSR - has anyone copied over the original Lexicon PCM90/91 presets?

[machinated]

not too different, but also some slightly different behaviours here. no idea if orchestral hall is based off deep blue.



just going through some other presets. lots of them seem based off them, in that there is an inherent similarity but slightly tweaked. It also seems some of the included IK presets go by different names, for instance "Looong Plate" in CSR sounds a LOT like the "Just Plate" from the HW.

this is really impressive! i struggle to re-create the CSR Hall Presets:
Large Hall & Large Organ Church with the Relab 480 Reverb.

were you succesful? i want to replace the IKM Plugin. this would be awesome!

I didn’t recreate anything myself, just went through the IK presets and found what was closest. I can see if any match to the Reverberate FIR captures of those specific presets, but if there aren’t any factory presets on CSR then it’s probably easier finding the HW values and copying those in (at least to start with).

[jamcat]

Yes, I basically just need to find the time/energy - I am really curious myself as to how close CSR is to it...

If/when you do, please post an A/B of Lexicon and CSR. A blind test would be fun.

And if you transcribe any of the first 6 presets, you could throw in LX480, if you own it.

[jens]

Will certainly do!

I only own the light version...

[jamcat]

Does LX480 Essentials have the Modern > 1990s Hardware preset folder with “Deep Blue”?

[jens]

Neither - nor (at least not the version I have installed (which is super-buggy so I stopped using it (I know this might be fixed in the current version but I much rather waste my time posting crap here at KVR than being a guinea-pig like this))

[machinated]

A polite bump for 2025 - perhaps someone here has a PCM90 or 91 and can share the parameter settings for some presets?

[jamcat]

I'm still interested in this project.

One user said on Gearslutz in 2011 that "There are also presets around that emulate lex's verbs for CSR, the result is staggeringly good."

Perhaps we could just track down these presets if someone else already did the work?

[jens]

Ack! I really need to come around doing this soonish.
Thing is that in the limited time I have outside of bringing up the kids, household stuff and work I always end up writing and producing songs.

[machinated]

I’ve been tempted to rent a unit a few times to do this but haven’t got around to it yet. I’d definitely be keen for these Lexicon presets in CSR though.

[machinated]

Small bump for 2026. I've created spreadsheets and organised the presets by algorithm type, which should make copying the settings over somewhat more tolerable than doing it into CSR directly.

PM me for the spreadsheet.

CSR has (I believe) Concert Hall, Rich Plate, Ambience and Inverse. LX480 should be able to handle much of the Random Hall stuff. I believe the Concert Hall has some additional processing in the HW like a compressor/expand/eq which aren't in the plugin, so any presets using those won't map the same unless those are bypassed.

[zeep]

Is it possible to come close to the PCM96 Chamber using the IKM reverbs?

[machinated]

Is it possible to come close to the PCM96 Chamber using the IKM reverbs?

No, not really. I believe the PCM96 Chamber algorithm is derived from the 960L and is somewhat new compared to the other algorithms.

CSR Room is based on the Ambience algorithm, not Room/Chamber as far as I know. The available parameters correspond closer to the Ambience algo at least.

[PointOfDeparture]

If a bunch of folks get access to the machinated spreadsheet, they could work separately creating the presets for the four CSR algorithms and then share them here.

[Caine123]

keep in mind the older CSR Hall sounds different than the newer ones from IK Multimedia. i made a video long time ago which showed it.

[PointOfDeparture]

Is it possible to come close to the PCM96 Chamber using the IKM reverbs?

No, not really. I believe the PCM96 Chamber algorithm is derived from the 960L and is somewhat new compared to the other algorithms.

CSR Room is based on the Ambience algorithm, not Room/Chamber as far as I know. The available parameters correspond closer to the Ambience algo at least.

I asked Gemini to give me some info about the presets. I wonder how accurate they are?

P0 0.0 Deep Blue (Concert Hall Algorithm)

Acoustic Profile: An expansive, rich, space-maximizing hall with heavy pitch modulation that generates a signature deep-space character.
ADJUST Knob Link: Mid RT (Decay Time)
Time / Space Design:
Mid RT: 3.6s
Bass Mult: 1.4x (Provides massive low-end blooming)
Crossover: 320Hz
Size: 39.5m
Shape: 90 | Spread: 48
Reflection / Echo:
Pre-Delay: 35ms
Early Refl Levels: Muted
Modulation / EQ:
High Cut: 3.8kHz (Keeps it dark, preventing top-end digital harshness)
Mod Depth: 32 (Heavy chorus-like wandering)
Mod Rate: 14

P0 0.1 Large Hall (Random Hall Algorithm)

Acoustic Profile: A highly natural, neutral, all-purpose tracking space with a gentle bloom envelope.
ADJUST Knob Link: Decay
Time / Space Design:
Mid RT: 2.5s
Bass Mult: 1.0x (Even frequency breakdown)
Crossover: 500Hz
Size: 33.0m
Shape: 45 | Spread: 25 (Linear buildup behavior)
Reflection / Echo:
Pre-Delay: 24ms
Early Refl Levels: -12dB
Modulation / EQ:
High Cut: 6.5kHz
Mod Depth: 12
Mod Rate: 8

P0 0.2 Medium Hall (Random Hall Algorithm)

Acoustic Profile: A tighter, standard studio tracking space with crisp initial reflection parameters.
ADJUST Knob Link: Decay
Time / Space Design:
Mid RT: 1.8s
Bass Mult: 1.0x
Crossover: 500Hz
Size: 24.0m
Shape: 32 | Spread: 15
Reflection / Echo:
Pre-Delay: 16ms
Early Refl Levels: -8dB
Modulation / EQ:
High Cut: 8.0kHz
Mod Depth: 8
Mod Rate: 10

P0 0.3 Small Hall (Random Hall Algorithm)

Acoustic Profile: Bright initial reverb energy meant to replicate a tight performance stage that collapses quickly.
ADJUST Knob Link: Pre-Delay
Time / Space Design:
Mid RT: 1.1s
Bass Mult: 0.9x (Attenuates low mud)
Size: 16.5m
Shape: 15 | Spread: 5
Reflection / Echo:
Pre-Delay: 8ms (Default baseline configuration)
Early Refl Levels: -4dB (Pronounced wall feedback)
Modulation / EQ:
High Cut: 10.5kHz (Open high end)
Mod Depth: 4
Mod Rate: 12

Row P0 0.4 – 0.6: The "Hall + Stage" Variations
These variations replicate the previous spaces but inject discrete, early-reflection boundaries to mimic the physical architecture of a stage floor and proscenium arch.
P0 0.4 L Hall + Stage (Random Hall Algorithm)

Acoustic Profile: Large Hall decay with prominent early lateral stage wall reflections.
ADJUST Knob Link: Stage Size
Time / Space Design:
Mid RT: 2.6s
Size: 35.0m
Shape: 55 | Spread: 30
Reflection / Echo (The "Stage" Layer):
Pre-Delay: 30ms
Reflection Delay 1: 14ms (Level: -3dB) (First stage boundary)
Reflection Delay 2: 28ms (Level: -6dB) (Proscenium reflection)
Modulation / EQ:
High Cut: 5.8kHz

P0 0.5 M Hall + Stage (Random Hall Algorithm)

Acoustic Profile: Shorter medium decay paired with intense, close localized reflections.
ADJUST Knob Link: Stage Size
Time / Space Design:
Mid RT: 1.9s
Size: 26.0m
Shape: 38 | Spread: 18
Reflection / Echo:
Pre-Delay: 18ms
Reflection Delay 1: 11ms (Level: -2dB)
Reflection Delay 2: 22ms (Level: -4dB)
Modulation / EQ:
High Cut: 7.2kHz

Row P0 0.7 – 0.9: Iconic Structural Environments
P0 0.7 Gothic Hall (Concert Hall Algorithm)

Acoustic Profile: Designed to emulate an immense stone cathedral. Features highly diffuse initial energy but relies on aggressive high-frequency damping to mimic porous ancient stone surfaces.
ADJUST Knob Link: Decay
Time / Space Design:
Mid RT: 4.5s
Bass Mult: 1.5x (Massive low-end resonance)
Crossover: 200Hz
Size: 42.0m (Maximum volume structure)
Shape: 110 | Spread: 60
Reflection / Echo:
Pre-Delay: 45ms
Early Refl Levels: Off
Modulation / EQ:
High Cut: 3.2kHz
HF Damping: 1.8kHz (Causes the high tail to decay instantly, leaving a deep low drone)

P0 0.8 Concert Hall (Concert Hall Algorithm)

Acoustic Profile: The legendary, dark, rich signature Lexicon flagship tail.
ADJUST Knob Link: Decay
Time / Space Design:
Mid RT: 2.8s
Bass Mult: 1.2x
Crossover: 400Hz
Size: 38.0m
Shape: 128 | Spread: 45 (The classic slow, lush Lexicon bloom)
Reflection / Echo:
Pre-Delay: 24ms
Early Refl Levels: -6dB
Modulation / EQ:
High Cut: 4.2kHz
Mod Depth: 28
Mod Rate: 12