Interviews with Spica Designer John Bau
- John Bau Stereophile Interview
by John Atkinson, February, 1988 - John Bau Interview Enjoy the Music.com
by Oswaldo Martinez, September 2000
John Bau Copper Magazine Interview (PS Audio) (index)
- Vintage Whine by By Bill Leebens
- Part 1 Issue 26, February 13, 2017 (pdf)
- Part 2 Issue 27, February 27, 2017 (pdf)
- Part 3 Issue 28, March 13, 2017 (pdf)
Reviews by Publication, Model and Date
Absolute Sound (index)
- Spica Angelus Jul 1989, vol 14, issue 60
by AH Cordesman - Spica TC-50 May 1994, vol 19, issue 95
- Spica TC-60 Nov 1994, vol 19, issue 99
Audio Magazine (index)
- Spica TC-50, March 1984
by Bert Whyte
Spica Angelus, September 1991 - by Bascom King
The Audio Critic (index)
- Spica TC-50 No. 16 Spring / Fall 1991
by David A. Rich
High-End Audio Recommended Components
- TC-50, Angelus, and Kinergetics sub
by Authur Salvatore
The Boston Audio Society (BAS) Speaker (index)
- Spica SC-50 CES Report 1981, Vol 9, No 10
by Unterbrink and Meyer
The Sensible Sound
- Spica SC-30, #43 Summer 1991
by Roy Nakano - Spica TC-60, May-June-1996
by GDB
High Fidelity (index)
International Audio Review
- Spica TC-50 (date not known)
by J. Peter Moncrief - Spica Angelus (date not known)
Stereo Review (index)
- Spica TC-60 February 1995
by Julian Hirsh
Stereophile (index):
- Spica SC-50i V-7, Archibald
- Spica TC-50 VII-2 (Feb 11, 1984), IX-5 (Aug 1986), XI-1(Jan 1988), XII-10 (Oct 1989), XIV-10 (Oct 1991)
- Spica TC-50i XII-10 (Oct 1989), XIV-10
- Spica Servo Subwoofer IX-5, VII-2, IX-7, XII-10
- Spica Angelus XI-2 (Feb 25, 1988), XIII-1 (January 1990),4 (April 1990), XVI-4 (April 1993), 9 (April 1993)
- Spica SC-30 XV-5, XVI-1,7 (1992 Budget Product of the Year)
- Spica TC-60, XVII-12 (Dec 25, 1994) Atkinson
- Parasound Suspends Spica Development, January 1996