U.K pressing from 1974 of this test record for your hi-fi. Includes tones and compositions to set up yout record player correctly. With channel separation, speaker phasing etc. Each complete test or group of test ends with a locked groove.Intensive notes are found on the sleeve for each test, care of records, about this record and Ambisonics.

• A5 Test 5: Determination Of Bias Correction Test At Inner Grooves Of The Disc
• B2 Test 2: Pink Noise
• B3 Test 3: White Noise
• B4 Test 4: Wow And Flutter - Test Tone
• B5 Test 5: Pickup Resonance Test
• B6 Test 6: Rumble Test - Unmodulated Grooves