M³ Gallery - Page 1Here is an area showcasing M³ amplifiers from people like you! The unusual, the exotic, even the mundane... As long as you like what you built, then why not show it off? To have your M³ featured here, contact AMB.New photos are added often, so come back to see the creative work of the M³ builders community. Have fun! Click on any image to see a larger version.
AMB's M³Here are some pictures of AMB's own M³ prototype, wrapped in a custom home-built case. The styling and construction follows the same theme as AMB's modified SDS Labs MOSFET amplifier, the "β18". The circuit board is a pre-production version with no solder mask or silkscreen. This amp has AD8610AR opamps, Vishay-Dale RN55D resistors, Vishay-Roederstein MKT1817 for C2 and C8, Wima MKP2 for C6 and Cbb, and Nichicon HE electrolytics. The MOSFETs are biased to 85mA per channel. A companion σ11 27V regulated DC supply is used to power this amplifier.       
Three M³s by rjkdivinHere are three M³ amplifiers built by rjkdivin. This first one, and a companion Tangent STEPS power supply, are each housed in a black Silverstone LC01 Nano-ITX computer case. Custom rear panels were fabricated to replace the originals, which came with cutouts for computer connections. The second one has the M³ amplifier and STEPS PSU board both mounted in a Par-Metal 20-series 12"x8"x2.5" case. The third one has separate Par-Metal 20-series 6"x8"x2.5" cases for the amplifier and PSU, this one uses a Welborne Labs PS1 power supply.        
MisterX's M³MisterX built this stylish M³ in a ATI 645T case, to the desired size. This amplifier features a DaCT CT2 stepped attenuator volume control, Elna Cerfine electrolytic capacitors, AD8065 opamps, and a Condor Power-One PSU at 24V.      
M³ by steinchenThis M³, built by steinchen, is housed in an enclosure from Segor Electronics (part number 001.07.L.SW), with a custom front panel made by Front Panel Express. Two headphone jacks are installed, one for standard headphones, and one specifically for the AKG K1000. Vishay-Dale RN55 resistors are used in most locations as well as Wima film capacitors.       
Skyskraper's M³Skyskraper built his M³ in an Altronics 19" 2U rack-mount case in raw aluminum finish. The amplifier is powered by a Tangent TREAD board and a 30VA toroidal transformer. An input selector switch allows a choice of multiple inputs and jack types, a DC output jack provides power to external devices, and the front panel has jacks for two pairs of headphones.     
"Lunchbox" M³ by phobusThis unique M³ from phobus runs a voltage gain of 5.5, has OPA637BPs for the left and right channels, OPA627AP on the ground channel, Vishay-Dale RN55E resistors, Vishay-BC MKT370 for C2 and C8, Wima MKP2s for C6 and Cbb, and Panasonic FM electrolytics. The MOSFETs are biased to 108mA per channel, and the amp is powered by a Velleman K1823 PSU at 24V.     
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