CBS Laboratories Quadraphonic Test Record LP Columbia SQT-1100 NM/NM 1973 RARE
$
44
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Description
Description: CBS Laboratories Quadraphonic Test Record LP Columbia SQT-1100 NM/NM 1973 RARE.
This album was part of a collection that was extremely well cared for. Many of these records were only played once or twice and then carefully stored for 40+ years after the owner unfortunately lost his hearing. A real time capsule in audio.
Check out my Ebay listings regularly for many more albums to come.
Tracklist
A1 Lateral 1 kHz, 0 dB Reference Tone, 5 cm/sec rms
A2 Left Front Sweep Frequency; 40-20,000 Hz, RIAA Equalization, ?15 dB re 3.54 cm/sec rms at 1 kHz
A3 Right Front Sweep Frequency; 40-20,000 Hz, RIAA Equalization, ?15 dB re 3.54 cm/sec rms at 1 kHz
A4 Right Back Sweep Frequency; 40-20,000 Hz, RIAA Equalization, ?15 dB re 3.54 cm/sec rms at 1 kHz
A5 Left Back Sweep Frequency; 40-20,000 Hz, RIAA Equalization, ?15 dB re 3.54 cm/sec rms at 1 kHz
A6 Pickup Phase Measurement: Lateral Spot Frequencies 63, 125, 250, 500 Hz, 1, 2, 2.5, 3.15, 4, 5, 6.3, 8, 10, 12.5, 16, 20 kHz Low Frequency Constant Amplitude to High Frequency Constant Velocity, 3 dB Knee at 500 Hz, ?1 dB at 1 kHz
Channel Identification Signals
A7.a) Center Front - CF
A7.b) Right Front - RF
A7.c) Center Right - CR
A7.d) Right Back - RB
A7.e) Center Back - CB
A7.f) Left Back - LB
A7.g) Center Left - CL
A7.h) Left Front - LF
A7.i) Center Front - CF
A8 Left 1 kHz, 0 dB Reference Tone, 3.54 cm/sec rms
A9 Right 1 kHz, 0 dB Reference Tone, 3.54 cm/sec rms
B1 Lateral 1 kHz, 0 dB Reference Tone, 5 cm/sec rms
B2 AGC Adjustment: Lateral 1 kHz, ?27 dB to +12 dB 3 dB Steps
B3 Single Channel Logic Circuit Dynamics: 1 kHz, 0 dB Level, 1 Second ON, 1 Second OFF, LF, CF, RF, RB, CB, LB
B4 Alternating Channel Logic Circuit Dynamics, Switching Between Channels 1 kHz, 0 dB Level, 1 sec Per Channel, LF to RF, RF to RB, RB to LB, LB to LF, CF to CB, LF to RB, RF to LB, LF to CF, LF to CB, RF to CF, RF to CB
1 kHz, 0 dB Channel Level
B5.a) Left Front - Left 3.54 cm/sec rms
B5.b) Right Front - Right 3.54 cm/sec
B5.c) Left Back - Clockwise Helical Modulation 3.54 cm/sec—Left +90° rel Right, Each 2.5 cm/sec rms
B5.d) Right Back - Counterclockwise Helical Modulation 3.54 cm/sec—Right +90° rel Left, Each 2.5 cm/sec rms
B5.e) Center Front - Lateral 3.54 cm/sec rms
B5.f) Center Back - Vertical 3.54 cm/sec rms
Condition: Record: NM Sleeve: NM.
Shipping: Shipping is by Media Mail anywhere in the US.
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