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MMB MONOBLOCK® Series

  • Integrated HV Supply, Filament Supply, X-Ray Tube, Beam Port and Control Electronics
  • Compact & Lightweight
  • <1ms Rise Time is Ideal for Extremities
  • Specifically designed for the C-Arm OEM

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The Spellman MMB Series provides a comprehensive range of compact, high-voltage monoblock® generators designed to meet the evolving requirements of diagnostic, surgical, and specialized imaging systems. Spanning power levels from 3.5 kW to 25 kW, the MMB platform provides OEMs with a scalable solution capable of supporting applications ranging from low-dose pulsed fluoroscopy and mobile imaging systems to high-performance surgical and cardiac C-Arms and other advanced diagnostic platforms. 

Built upon Spellman's proven expertise in high-voltage power conversion and X-ray integration, MMB generators combine the high-voltage generator, filament supply, and system controls into a compact, reliable package optimized for demanding medical environments.

The MMB Series is available in a wide range of configurations, and it is fully customizable to meet the form, fit and function specifications of system designers to deliver optimal performance while leveraging from a common architecture.

  • Whether designing:
  • Mobile C-Arm systems
  • Surgical imaging platforms
  • Innovative Fluoroscopy-Pulsed Fluoroscopy systems
  • Orthopedic imaging systems
  • CBCT & Specialty diagnostic imaging equipment

Spellman’s MMB Series offers a flexible path from entry-level to premium-performance solutions.

  • Specifications

Specifications

MMB Family

Specification MMB125PN3.5 MMB150PN6 MMB150PN9 MMB120PN10 MMB125PN15 MMB120PN18 MMB125PN20 MMB125PN25
Power level 3.5kW 6kW 9kW 10kW 15kW 18kW 20kW 25kW
Input voltage 200-264V 47-63Hz 200-264V 47-63Hz 200-264V 47-63Hz 200-264V 47-63Hz 175-253V 50/60Hz 200-264V 47-63Hz 200-264V 47-63Hz 175-253V 50/60Hz
Normal voltage 40-125kV 40-150kV 40-150kV 40-120kV 40-125kV 40-120kV 40-125kV 40-125kV
mA Range S:0.2mA to 10 mA L:10mA to 40mA
S:1mA to 40 mA
L:40mA to 100mA
S:1mA to 40 mA
L:40mA to 100mA
S:1mA to 40 mA
L:40mA to 100mA
S:0.1mA to 120 mA
L:0.1mA to 250mA
S:1mA to 40 mA
L:40mA to 180mA
S:0.5mA to 100 mA
L:100mA to 200mA
S:0.1mA to 120 mA
L:0.1mA to 250mA
Tube type Cannon DF-161SBR
IAE RTM780H
IAE RTM780H
IAE RTM30HS
IAE RTM780H IAE RTM30HS IAE RTM780H IAE RTM780H
Focus size 0.5/1.6 0.3/0.6 0.3/0.6 0.3/0.6 0.3/0.6 0.3/0.6 0.3/0.6 0.3/0.6
Target angle 16° 10.5° 10.5° 16° 10.5° 16° 10.5° 10.5°
Cap bank No Yes Yes No No No No Yes
Battery pack No No No No Yes No No Yes
kV rise time 1ms 1.5ms 1.5ms 1.5ms 2ms 1.5ms 1.5ms 2ms
Leakage radiation 100mR/Hour 100mR/Hour 100mR/Hour 100mR/Hour 50mR/Hour 100mR/Hour 100mR/Hour 50mR/Hour
Window direction Top Side Side Side Top Side Side Top
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2026 High Voltage Reference Manual

We compiled all of our useful FAQ’s, application notes, articles, technical papers and three glossaries into a single handy reference guide.

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