Nova Scotia eh? Fellow Scotsman? Welcome to the site Wayne! You pegged it right on the head. This is a very relaxed place to hang with everyone. How bout some pictures of your speakers and amps for us to drool on? From the internet those are very good looking speakers. I think your M400a will be fine powering those speakers.
Here's your specs.
Design: 2-way vented-boxFrequencyRange: 55Hz-40kHz Sensitivity (2.83V/1m): 87dBImpedance: 8 ohms (minimum 6.4 ohms) Power Requirement: 50-200W recommended Tweeter: Model: G2. Purified aluminum ribbon tweeter, the size of aluminum ribbon (LWT): 70mm×8.5mm×0.01mm. High power handling, high output, shielded design, easily field-replaceable for the ribbon. Midwoofer: Model: AC130/50CK, 1×130mm (5.2″). Aluminum frame, the composite cone of Non-woven carbon fiber and Kevlar, 50mm (2″) copper clad aluminum voice coil with flat wire, the special magnet system with Faraday ring and demodulation coil, 120mm×20mm Y30 Ferrite magnet. Crossover Frequency: 2500Hz Crossover’s Attenuation Slope: Woofer -12dB, Tweeter -18dB Crossover Components: M-Cap Supreme MKP capacitors are used for the crossover of tweeter, Aurum Cantus MKP capacitors are used for the crossover of midwoofer. Also, high purified OFC inductors and the metal oxide film resistors with military industrial standard.Connective Cable: Teflon insulated OCC cableDamping Materials: The polyester fiber and the PU foamConnections: 2 pcs 18mm gold-plated copper connectors Cabinet Material: High quality MDF Finish: The standard finish is RosewoodPE high gloss paint. Furthermore, there are also Figured maple PE high gloss paint, Cherry PE high gloss paint, Mapa burl PE high gloss paint and the Black PE high gloss paint for options. Dimensions (HWD): 350mm×226mm×280mm(13.78″×8.9″×11.02″). Net Weight: 11kgs/pc (24.25lb/pc)Gross Weight: 28kgs/pair (61.73lb/pair)Shipping Volume: 0.115m3/pair