Arcam Alpha 7 modifications

The Arcam Alpha 7 CDP was modified to the 7M version between 1997-98.

Click on the snapshots below to reveal more modification details.


CDP internals RCA socket upgrade Capacitor upgrade Transport damping Internal cabling Fuse upgrade Copper shielding


All soldering was done with WBT-0800 silver solder (4% silver content).
Specs: 0.9 mm diameter, 10 meters, 42 grams, melting temperature 180 degrees. US$14.00


WBT Silver Solder


Overall sound improvements (personal views)
Silky, smoother treble.
Mid-range and voices were clearer and slightly less warm (due to the capacitors?).
Bass was also more well-controlled, solid and 'full-bodied'.

Comments by other listeners
"more detail" (did not detect this using my untrained ears)
"greater sense of presence" (did not know how to identify this)
"better 3D soundstaging" (especially with Eagles' Hell Freezes Over)
"a very airy and atmospheric presentation" (whatever that means!?)
"more attack and clout with dance/techno tracks" (not sure I agree)