Crosby system available by latter part of 1958 with Crosby multiplex decoders being manufactured and sold (Hi-Fi & Music Review, November 1958, pp. 54-56)

Crosby multiplex system described (patented) – Audio, October 1958, pp. 30, 32, 37, 63

WBAI, New York, begins broadcasting with Crosby system in late 1958 (Ibid.)

Crosby multiplex decoders built and sold by now by Madison Fielding Corp., with EICO, Karg and Sargent-Rayment having announced their intention to manufacture (Ibid.)

Fisher, Pilot, Sherwood – conducted research but waiting for FCC to release a standard (Ibid.) – Fisher announces MPX-10 in Hi-Fi & Music Review full page ad, February 1959, p. 17; also Audio mag, Feb 59 – $79.50; High Fidelity mag – Jan 59

MPX-20 (for FM-100, 100-T, 202-T) in Stereo & Hi-Fi Directory, 1961 (likely Fall 1960) – $49.50

GE system patent applied for July 1960

Zenith system patent applied for April 1960

Both systems considered identical enough that they were combined into one

TA-600 announced May 1959, 2 page ad, Hi-Fi & Music Review (pp. 10-11); also Audio mag, May 59 – $349.50

The same month Harman Kardon announces its Stereo Festival TA230 receiver (p. 15) – $259.95

TR-1 Transistor Preamp-Equalizer – May 56 – $27.50

20-A monoblock amp – May 56 – $59.50

FM-40 tuner – May 56 – $99.50

CA-40 master control & amp – Jun 56 – $139.50

55-A monoblock amp – Jun 56 – $169.50

90-A monoblock amp – Sep 56 – $229.50

TA-500 – Jan 57 – $239.50 (price increase Mar 58 – $249.50)

FM-90 – Jan 57 – $149.50

FM-90X – Feb 57 – $159.50

125(-AX) monoblock amp – Mar 57 – $229.50

90-R, 90-T – Dec 57 – 90-R – $199.50, 90-T – $239.50

200 (AKA 200-A) monoblock amp – Jan 58 – $179.50

90-C Master Audio Control (replaces 80-C) – Feb 58 – $119.50

400-C – May 58 – $169.50

X-101 – Aug 58 – $189.50

PR-66 stereo phono preamp – Aug 58

101-R – Aug 58 (still avail Jul 60) – $229.50

30-C Master Audio Control for second channel – Aug 58 – $39.50

(FM-90X, 90-R, 90-T still available Nov 58, Apr 59)

100 monoblock amp – Feb 58 – $99.50 (Oct 58 $119.50)

125-AX block amp – Aug 58 – $229.50

SA-300 stereo block amp – Mar 1959 – $169.50 ($179.50 Aug 60)

RK-1 Remote Control for 400-C – Apr 59

FM-100 – August 1959 (Jun 59, Audio mag) – $159.50

400-CA – Aug 59 – $174.50

X-101-A – Aug 59 – $194.50

XP-1 speaker – Sep 59 – $124.50 (unfinished birch); $129.50 (mahogany, walnut, cherry, blonde) – Still avail Aug 61, $129.50

100-T, SA-100 – Oct 59 – 100-T – $249.50; SA-100 – $119.50

202-T – Nov 59 – $349.50

X-202 – Jan 60 – $229.50 (replaces X-101)

WS-1 Wide Surround Speakers – Jan 60 – $49.50

TA-800 – Feb 60 – $429.50

X-100 – Apr 60 – $159.50

400-CX – Jun 60 – $199.50 (still avail Aug 61, $199.50)

X-202 – Aug 60 – $229.50

30-A amp – Aug 60 – $59.50

PR-6 mono preamp – Aug 60 – $12.95

FM-50 – Aug 60 – $129.50

K-10 Dynamic Spacexpander – Sep 60 – $59.50

SA-300-B – Oct 60 (still avail Aug 61, $199.50)

100-R, 202-R – Sep 60 202-R – $329.50; 100-R – $199.50

XP-2 speaker – Sep 60 – $79.50 (unfinished birch); $84.50 (mahogany, walnut, cherry)

XP-3 speaker – Oct 60 – $219.50 (unfinished birch); $224.50 (mahogany, walnut, cherry) (disc Aug 61)

FM-200 – Nov 60 – $229.50 (FM-100 STILL AVAILABLE)

100-T, 202-T Still Avail Nov 60

500-S – Jan 61 – $349.50 (replaces TA-600)

MPX-100 – Jun 61 – $89.50

XP-4 speaker – Jun 61 – $199.50 (mahogany, walnut, cherry); $189.50 (birch)

500-B – Aug 61 – $359.50

800-B – Aug 61 – $429.50

X-1000 – Aug 61 – $329.50

X-101-B – Aug 61 – $189.50

X-202-B – Aug 61 – $249.50

FM-50-B – Aug 61 – $189.50

FM-100-B – Aug 61 – $229.50

FM-200-B – Aug 61 – $289.50

KX-200 kit amp – Oct 61 – $169.50

KS-1 speaker – Nov 61 – Kit $59.50; Assembled, Walnut – $89.50; Birch – $84.50 (still avail Nov 63)

KM-60 kit tuner – Jan 62 – $169.50

MPX-200 – Mar 62 – $79.50

FM-1000 – May 62 – $429.50

X-101-C – Aug 62 – $199.50

X-100-B – Aug 62 – $169.50

KX-100 kit amp – Aug 62 – $129.50

R-200 – Sep 62 – $299.50

XP-4A speaker – Sep 62 – $199.50

XP-1A speaker – Oct 62 – $129.50

XP-2A speaker – Oct 62 – $84.50

SA-1000 – Mar 63 – $329.50

400 – Apr 63 – $329.50

500-C – Apr 63 – $389.50

800-C – Apr 63 – $449.50

K-1000 kit amp – Jul 63 – $279.50

KS-2 kit speaker – Oct 63 – $89.50 (birch, unfinished)

XP-10 floor speaker – Dec 63 – $249.50

FM-90-B tuner – Nov 1964 – $179.50

FM-100-C tuner – Nov 1964 – $249.50

FM-200-C tuner – Nov 1964 – $299.50

TFM-300 tuner – Sep 1964 – $299.50

Sherwood S-3000 II – June 59 $105.50