BogDuende G12H 70A IR Cab Pack


Impulse Response (IR) pack made from a made from a Bogner Duende loaded with a 12″ Celestion G12H30 70th Anniversary speaker. This pack includes both single microphone and multiple microphone IR’s in formats that work in a wide variety of hardware and software.

Categories: , SKU: IRCab-006



1. CROSS PLATFORM: These .WAV impulse responses can be used in any hardware or application that supports IR’s. This includes products by Line 6 (Helix, HX Stomp, HX Effects, etc), Kemper, Axe-FX, etc.

2. EXPERIMENT: We’ve included multiple options in this IR pack (more details below). The best idea is just to start experimenting and find the IR or combinations of IR’s that sound the best.


The first step is to determine what sample rate and length you need to use. Refer to the user manual of the hardware or software you intend to use the IR’s with to determine the correct file type. These IRs come in the following options:

  • 44.1 kHz, 200ms and 500ms
  • 48 kHz, 200ms and 500ms (Line 6 & Fractal Hardware – use 500ms)
  • 96 kHz, 200ms and 500ms (IRIDIUM – use 500ms)
  • We’ve also included a ‘Line 6’ and ‘Iridium’ folder. These are the 48k 500ms and 96k 500ms options respectively.

Next you’ll want to experiment with the different mic options. Our recommendation is to start with the ‘mic combo’ options. We have found that if you intend to run two IR’s in stereo, the best results come from using two different single mic IR’s. See the ‘Mic’ section below for more details.


These IR’s were created from an Bogner Duende 1×12 combo featuring a UK Celestion G12H30 70th Anniversary speaker. This speaker/combo will give you a slightly different (we think sweeter) midrange character from other G12H30 IR’s. It pairs well with a wide variety of amps from Fender to Vox to Marshall. You really can’t go wrong with this one.


To create this IR pack we used a variety of microphones, including ribbon, dynamic, and condenser microphones.

In the file names you’ll see microphone codes. Here is what they mean:

  • ‘7B’ – This is the Shure SM7b. It’s a dynamic microphone that sounds a bit smoother and warmer than an SM57 with a slightly different midrange character. Pairs well with ribbon mics.
  • ‘160’  This is the Beyerdynamic M160. It’s a ribbon mic that is a popular alternative to the Royer 121. It’s punchy and offers the warmth of a classic ribbon mic but with the punch and midrange often found in dynamic mics. Pairs well with dynamic mics.
  • ‘121’ – This is a Royer 121. The 121 is a classic ribbon mic used on countless hit records. Pairs well with dynamic mics.
  • SR25’ – This is the Earthworks SR25. A small diaphragm condenser that works extremely well on a wide variety of instruments, and surprisingly well on guitar cabs. It’s very articulate and bright without being harsh, but has a ton of warmth and character as well. We love pairing this with the 160. Pairs well with ribbon mics.
  • ’57’ – The Shure SM57. You’ve heard it a million times on a million guitar tones. Tried and true. The midrange of this mic is perfect for guitar tones, but on it’s own it can be somewhat bright and harsh. Pairs well with ribbon mics.

IR’s: Single Mic and Dual Mic, and Combo

For each IR type. You’ll see folders labeled ‘Single Mic’ and Dual Mic’. The single mic folders contain all the single microphone options. If you are using a system where you can run two IR’s in stereo, we like using the single mic options and pairing one of the ribbon mics with either the 57 or the SR25. You can mix and match the speakers for some really great tonal options.

If you can only use one IR, the Dual Mic options are tonally more balanced. The different microphone combinations will give you different flavors.

For each IR, we chose the mic placement that sounded the best to us. Some IR providers include literally hundreds of IR’s with a multitude of microphone, mic placement, and EQ options. This can be great, but it also leads to option paralysis. With our IR packs, we’ve just given you what sounds best to us.


The IR’s are available in WAV formate in four different sample rates: 44.1 kHz, 48 kHz, and 96 kHz (all at 24 bit) and at both 200ms and 500ms. This ensures these IR’s  are compatible with a wide variety of hardware and software options.


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