Found a decent (I think) IR that has Altec 417-8H speaker captured. Various mics. Pretty cheap too at $5.
I have no affiliation, just found it randomly searching for Altec 417-8H IRs. Another came up by Tone Factor but it was just a 1x12 IR.
Silver 87 80s Iconic Tone A piece of the music history, iconic cab of the 80s era with glam, hard rock, thrash, heavy metal and many other genres.The 80's was one of the best times for music specially for heavy tones and, the goal of this cab is capture those tones in a single pack. You can...
audioassault.mx
Features
Based on Marshall® 2556B Silver Jubilee Cab from 1980s.
Speakers:
⊛ 417H: Based on Altec Lansing® 417-8H.
⊛ EV12L: Based on Electrovoice® EVM12L from the 80s.
⊛ G12V: Based on Celestion® Vintage 30 T3896(Marshall G12 Vintage) 70 watt from the 80s.
⊛ G1265: Based on Celestion® G12-65 T3054 from the 80s.
⊛ G1280: Based on Celestion® G12-80 T3537 from the 80s.
⊛ UKT75: Based on Celestion® G12T-75 T3760 60 watt from the 80s.
Microphones
Ribbons:
⊛ 44: Based on AEA® R44C.
⊛ 92: Based on AEA® R92.
⊛ 121: Based on Royer® R121.
⊛ 160: Based on Beyerdynamic® M160.
⊛ 313: Based on Shure® KSM313.
⊛ 4038: Based on Coles® 4038.
Condensers:
⊛ 47F: Based on Neumann® U47 FET.
⊛ 47T: Based on Neumann® U47.
⊛ 49: Based on Neumann® M49.
⊛ 67: Based on Neumann® U67.
⊛ 251: Based on Telefunken® ELA M251E.
⊛ 414: Based on AKG® C414.
Dynamics:
⊛ 7: Based on Shure® SM7B.
⊛ R20: Based on Electrovoice® RE20.
⊛ 57: Based on Shure® SM57.
⊛ 421: Based on Sennheiser® MD421.
⊛ 545: Based on Shure® 545SD Classic Unydine.
⊛ 906: Based on Sennheiser®E906.
Rear & Room Mics:
⊛ 47F: Based on Neumann® U47 FET.
⊛ 47T: Based on Neumann® U47.
⊛ 49: Based on Neumann® M49.
⊛ 67: Based on Neumann® U67.
⊛ 121: Based on Royer® R121
⊛ 313: Based on Shure® KSM313.
⊛ 414: Based on AKG® C414.
⊛ 4038: Based on Coles® 4038.