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What are the IR speaker cabinets that come with Iridium?

Iridium comes pre-loaded with 9 curated IR speaker cabinets from IR vendors that partnered with us to compliment each of the 3 amp types.  You can select from one of 3 available IR speaker cabinets for each of the amps with the CAB switch.


  • round – a
    • Name:  112 DVRB (stereo)
    • Cab:  Fender® Deluxe Reverb® 1×12
    • Speaker:  Fender® CTS ceramic
    • Provided by:  OwnHammer®
    • File name:  OH 112 DVRB CTS.wav
    • Notes: Based on a vintage Fender Deluxe Reverb open back 1×12 combo loaded with a 1978 Fender CTS ceramic 12” speaker. Mic: Neumann U87. IR created using a neutral/reference amp.
    • Additional IR Vendor Documentation: OwnHammer® (r)Evolution 112 DVRB CTS-C12.pdf
  • round – b
    • Name:  112 FE-Junior (mono)
    • Cab:  Fender® Blues Junior® 1×12
    • Speaker:  Jensen® C12N
    • Provided by:
    • File name:  JUNIOR_FOCUS_CAB.wav
    • Notes:  Based on a Fender Blues Junior 112 cab with a Jensen C12N 80 Ohm speaker.  Mix IR with multiple microphones and microphone positions of all speakers of the cabinet (in this case 1 speaker, because the Blues Junior is a 1X12″ cabinet / combo).  The Focus_Cab IR contains all microphone types used in multiple positions: SM57, MD421, E906, C414, U87, R121, KM184.  No EQ post processing, pro grade flat mic preamps, clean amplification (theoretical sound influence by mic pre and amplifier are mathematically excluded).


  • chime – a
    • Name:  212 V30 Blue (stereo)
    • Cab:  2×12 Vox® AC30/6 open back fawn
    • Speaker:  Celestion® T0530 Blue AlNiCo
    • Provided by:  OwnHammer®
    • File name:  OH 212 VC30 BLU-12C CLASC-06.wav
    • Notes: Vox AC30/6 open back fawn 2×12 combo with 2001 Celestion T0530 Blue AlNiCo speakers. The IR was made with neutral/reference power amp and a blend of high-end microphones.  The complete list of available mics is in the PDF below.
    • Additional IR Vendor Documentation: OwnHammer® (r)Evolution 212 VC30 BLU-12C.pdf
  • chime – b
    • Name:  112 Blue Closed (mono)
    • Cab:  1×12 closed back
    • Speaker:  Celestion® Blue AlNiCo
    • Provided by:  Celestion®
    • File name:  Cel Blue 112 C Hi-Gn 421+57 Celestion.wav
    • Notes: Celestion Blue Alnico speaker in a closed back 1×12 cab mic’d with both an SM57 and a Sennheiser MD421.×12-closed/
  • chime – c
    • Name:  412 V2-MHB (mono)
    • Cab:  4×12 Mesa Boogie® Halfback
    • Speakers:  Celestion® Black Shadow MC-90 + Electro-Voice® Black Shadow EVM-12L
    • Provided by:
    • File name:  V2-MHB412-d-e906-C5.wav
    • Notes:  4×12 Mesa Boogie“Halfback”, which is loaded (open back) with 2 Black Shadow MC-90 speakers from Celestion® and (closed bottom) 2 Black Shadow EVM12-L from ElectroVoice™. The MC-90s provide a very powerful, open sound, while the bottom speakers, 200 watt monster EV’s, deliver extra-punch in the low section.  The e906 designator in the file name means that this particular IR was recorded through a Sennheiser e906 supercardiod dynamic instrument microphone.


  • punch – a
    • Name:  412 MRBW GNR (stereo)
    • Cab:  4×12 closed back
    • Speaker:  Celestion® T1221 G12M-25
    • Provided by:  OwnHammer®
    • File name:  OH 412 MRBW M75-GNR BROWN-00.wav
    • Notes:  16-ohm, 75-Hz, 1971 Celestion® T1221 G12M-25 speakers with a very unique “Greatly Neutral Response”.  The IR was made with a neutral/reference power amp and a blend of high end microphones (the complete list of available mics is in the PDF below).
    • Additional Manufacturer’s Documentation: OwnHammer® (r)Evolution 412 MRBW M75-GNR.pdf
  • punch – b 
    • Name:  212 V30 Open (mono)
    • Cab:  2×12 open back
    • Speaker:  Celestion® Vintage 30
    • Provided by:  Celestion®
    • File name:  V30 212 O R-121 Dark2 Celestion.wav
    • Notes:  Celestion Vintage 30 in an open back 2×12 cab mic’d with a Royer 121 ribbon mic
  • punch – c
    • Name:  812 PETE (mono)
    • Cab:  8×12 Marshall®
    • Speaker:  Celestion® T652 AlNiCo
    • Provided by:
    • File name:  PETE_CAB_M01_MULTI_I.wav
    • Notes:  Marshall’s limited edition (350 pieces worldwide) full stack with JTM45/100.  This 8X12 cabinet is a tribute to Pete Townshend from “The Who”.  He ordered this combination in 1965 from Jim Marshall.  The re-issue of this 8×12 cabinet was divided into two parts:  The bottom 812B40 closed back, and the upper 812T40 open back. Like the original, the cabinet is loaded with CelestionTM T652 AlNiCo speaker rated at 15 Watt each. These speakers are mostly identical in construction to the “Vox Blue” up to their silver magnet covers.  This is a “Multi” mic’d IR is listed as a mix of miscellaneous microphone types and -positions.
    • Additional IR Vendor Documentation: MR-PETE Speaker Cab Impulse Responses User Guide


*All product names are trademarks of their respective owners, which are in no way associated or affiliated with Strymon. These product names, descriptions and images are provided for the sole purpose of identifying the specific products that were studied during Strymon’s sound design process.  Fender®, Deluxe Reverb®, Blues Junior®, and Vibrolux® are registered trademarks of Fender Musical Instruments Corporation. Vox® is a registered trademark of Vox R&D Limited. Marshall® is a registered trademark of Marshall Amplification Plc. Mesa/Boogie®, Half-Back®, and Black Shadow® are registered trademarks of Mesa/ Boogie, Ltd. Celestion® is a registered trademark of Rola Celestion, Ltd. Electro- Voice® is a registered trademark of Robert Bosch, GmbH. Jensen® is a registered trademark of Sica Altoparlanti S.R.L.