No Artist - Test Series 50 N-A Beam (12") (Very Good (VG))

Media Condition:  Very Good (VG)
Sleeve Condition: Very Good Plus (VG+)
Country:    Australia  
Released:  
Genre:       Non-Music
Style:         Technical

Comments:
Vinyl is a conservative VG with some light marks. Cover in good shape with some wear.
 

Notes:

Laminated front cover with flipbacks top, spine and bottom
Black labels with gold text
Rear contains details description of purpose and methodology.

On both labels:
Playback flat - no de-emphasis

Instructions on side A label: 
When you hear on "N" (dash-dot) cartridge or equipment produces cross-modulation in excess of 2%.  All cuts contain two sweeping high frequencies 1000 cycles apart 20,000 - 4,000, 19,000 - 3,000 - recorded at constant velocity - "flat"

Instructions on side B label:
"Same as "A" side, except that two high frequency signals are separated into 2-bands - for checking amplifiers and preamps independent of cartridge I.M."

Cover:
Mastered with the Cook Feedback Cutter used for all Cook records.

. 2% Pilot Tone "A" (Dot-dash)
A1. 33 1/3 Two Outside Bands
A2. 78 Microgroove - Inside Band
. 2% Pilot Tone (Dot-dash)
B1. 33 1/3 Two Outside Bands
B2. 78 Microgroove - Inside Band

Barcode and Other Identifiers:

Matrix / Runout COOK 50-A-2
Matrix / Runout COOK 50-A-2
Matrix / Runout 52

Made By Electronic Industries Imports Pty. Ltd.