It seems like you already have a number of good options, but I will add 2 more:
Musical Fidelity (Gary Garfield)
5183 Overland Ave.
Culver City, CA 90230
310-558-0037
310-558-0038 fax
www.musical-fidelity.com
repair / restoration / modification
also in the LA area:
Marc McMinn
323-650-1549
service & repair / very familiar with ARC gear
best regards,
Steve McCormack
Musical Fidelity (Gary Garfield)
5183 Overland Ave.
Culver City, CA 90230
310-558-0037
310-558-0038 fax
www.musical-fidelity.com
repair / restoration / modification
also in the LA area:
Marc McMinn
323-650-1549
service & repair / very familiar with ARC gear
best regards,
Steve McCormack