{ "version": "1.0.0", "records": [ { "id": "hifi-news-hfn-001", "manufacturer": "Hi-Fi News", "title": "Hi-Fi News Test Record", "edition": "Reissue (~2010+)", "format": "12-inch LP, 33 1/3 rpm", "source": "Hi-Fi News & Record Review technical notes", "sides": [ { "side": "A", "bands": [ { "index": "A1", "label": "Anti-skate bias 300 Hz +12 dB", "type": "sine", "channel": "mono", "frequency_hz": 300, "duration_seconds": 60, "purpose": "tracking_ability", "notes": "Tracking ability at +12 dB lateral modulation. Used to set anti-skate so left and right break-up are balanced." }, { "index": "A2", "label": "Anti-skate bias 300 Hz +14 dB", "type": "sine", "channel": "mono", "frequency_hz": 300, "duration_seconds": 60, "purpose": "tracking_ability", "notes": "Tracking ability at +14 dB lateral modulation." }, { "index": "A3", "label": "Anti-skate bias 300 Hz +16 dB", "type": "sine", "channel": "mono", "frequency_hz": 300, "duration_seconds": 60, "purpose": "tracking_ability", "notes": "Tracking ability at +16 dB lateral modulation." }, { "index": "A4", "label": "Anti-skate bias 300 Hz +18 dB", "type": "sine", "channel": "mono", "frequency_hz": 300, "duration_seconds": 60, "purpose": "tracking_ability", "notes": "Tracking ability at +18 dB lateral modulation." }, { "index": "A5", "label": "Speed reference 3150 Hz", "type": "sine", "channel": "both", "frequency_hz": 3150, "duration_seconds": 60, "purpose": "speed", "signal_type": "single_tone", "analyzer_module": "wow_flutter", "notes": "DIN 45 545 reference tone for platter speed and wow & flutter analysis." }, { "index": "A6", "label": "L channel identification 1 kHz", "type": "sine", "channel": "L", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ], "notes": "Tone present on the left channel only. Used together with the R band to measure channel separation." }, { "index": "A7", "label": "R channel identification 1 kHz", "type": "sine", "channel": "R", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ], "notes": "Tone present on the right channel only." }, { "index": "A8", "label": "Out-of-phase 1 kHz", "type": "sine", "channel": "out_of_phase", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "azimuth_crosstalk", "analyzer_modules": [ "azimuth_crosstalk", "vertical_modulation" ], "notes": "Vertical-only modulation used for azimuth alignment." } ] }, { "side": "B", "bands": [ { "index": "B1", "label": "Constant-velocity sweep 30 Hz to 20 kHz", "type": "sweep", "channel": "both", "from_hz": 30, "to_hz": 20000, "duration_seconds": 60, "purpose": "freq_response", "signal_type": "sweep", "analyzer_module": "frequency_response", "sweep_direction": "ascending", "sweep_scale": "log", "notes": "RIAA-encoded logarithmic sweep used for cartridge frequency-response analysis." }, { "index": "B2", "label": "Low-frequency resonance 5 Hz to 30 Hz", "type": "sweep", "channel": "both", "from_hz": 5, "to_hz": 30, "duration_seconds": 30, "purpose": "resonance", "signal_type": "sweep", "analyzer_module": "lf_resonance", "sweep_direction": "ascending", "sweep_scale": "log", "notes": "Slow sweep through the cartridge-arm fundamental resonance region." } ] } ] }, { "id": "jvc-trs-1007", "manufacturer": "JVC", "title": "TRS-1007 Test Record", "edition": "1979", "format": "12-inch LP, 33 1/3 rpm", "source": "JVC TRS-1007 technical insert", "sides": [ { "side": "A", "bands": [ { "index": "A1", "label": "Reference 1 kHz", "type": "sine", "channel": "both", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "freq_response", "notes": "0 dB reference tone." }, { "index": "A2", "label": "Frequency response sweep 20 Hz to 20 kHz", "type": "sweep", "channel": "both", "from_hz": 20, "to_hz": 20000, "duration_seconds": 90, "purpose": "freq_response", "notes": "Constant-amplitude logarithmic sweep. PCML and similar projects analyse this band with SJPlot." }, { "index": "A3", "label": "L channel 1 kHz", "type": "sine", "channel": "L", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ] }, { "index": "A4", "label": "R channel 1 kHz", "type": "sine", "channel": "R", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ] }, { "index": "A5", "label": "Speed reference 3150 Hz", "type": "sine", "channel": "both", "frequency_hz": 3150, "duration_seconds": 60, "purpose": "speed", "signal_type": "single_tone", "analyzer_module": "wow_flutter" } ] } ] }, { "id": "cbs-str-100", "manufacturer": "CBS Laboratories", "title": "STR-100 Standard Test Record", "edition": "1965", "format": "12-inch LP, 33 1/3 rpm", "source": "CBS Laboratories STR-100 technical bulletin", "sides": [ { "side": "A", "bands": [ { "index": "A1", "label": "1 kHz reference", "type": "sine", "channel": "both", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "freq_response", "notes": "0 dB reference." }, { "index": "A2", "label": "100 Hz reference", "type": "sine", "channel": "both", "frequency_hz": 100, "duration_seconds": 30, "purpose": "freq_response" }, { "index": "A3", "label": "10 kHz reference", "type": "sine", "channel": "both", "frequency_hz": 10000, "duration_seconds": 30, "purpose": "freq_response" }, { "index": "A4", "label": "Speed reference 3150 Hz", "type": "sine", "channel": "both", "frequency_hz": 3150, "duration_seconds": 60, "purpose": "speed", "signal_type": "single_tone", "analyzer_module": "wow_flutter" }, { "index": "A5", "label": "L channel 1 kHz", "type": "sine", "channel": "L", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ] }, { "index": "A6", "label": "R channel 1 kHz", "type": "sine", "channel": "R", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ] } ] } ] }, { "id": "clearaudio-ca-trs-1007", "manufacturer": "Clearaudio", "title": "CA-TRS-1007 Test Record", "edition": "2008 reissue of JVC TRS-1007", "format": "12-inch LP, 33 1/3 rpm", "source": "Clearaudio CA-TRS-1007 technical sleeve", "sides": [ { "side": "A", "bands": [ { "index": "A1", "label": "Frequency response sweep 20 Hz to 20 kHz", "type": "sweep", "channel": "both", "from_hz": 20, "to_hz": 20000, "duration_seconds": 90, "purpose": "freq_response", "notes": "Constant-amplitude logarithmic sweep. Directly compatible with PCML SJPlot analysis." }, { "index": "A2", "label": "Reference 1 kHz", "type": "sine", "channel": "both", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "freq_response" }, { "index": "A3", "label": "Speed reference 3150 Hz", "type": "sine", "channel": "both", "frequency_hz": 3150, "duration_seconds": 60, "purpose": "speed", "signal_type": "single_tone", "analyzer_module": "wow_flutter" }, { "index": "A4", "label": "L channel 1 kHz", "type": "sine", "channel": "L", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ] }, { "index": "A5", "label": "R channel 1 kHz", "type": "sine", "channel": "R", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ] } ] } ] }, { "id": "analogue-productions-aatlp", "manufacturer": "Analogue Productions", "title": "Ultimate Analogue Test LP", "format": "12-inch LP, 33 1/3 rpm", "source": "Analogue Productions product documentation and published test record insert (Acoustic Sounds)", "preferred_for_toolbox_3": true, "source_status": "publisher_listing", "sides": [ { "side": "1", "bands": [ { "index": "1-1", "label": "L channel identification 1 kHz", "type": "sine", "channel": "L", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ], "level_db": 0, "level_reference": "0dB_groove", "notes": "Tone present on the left channel only. Used for channel identity, reversed-channel detection and crosstalk measurement." }, { "index": "1-2", "label": "R channel identification 1 kHz", "type": "sine", "channel": "R", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "crosstalk", "signal_type": "single_tone", "analyzer_module": "channel_identity", "analyzer_modules": [ "channel_identity", "azimuth_crosstalk" ], "level_db": 0, "level_reference": "0dB_groove", "notes": "Tone present on the right channel only." }, { "index": "1-3", "label": "Speed reference 3150 Hz", "type": "sine", "channel": "both", "frequency_hz": 3150, "duration_seconds": 60, "purpose": "speed", "signal_type": "single_tone", "analyzer_module": "wow_flutter", "standard": "DIN", "notes": "DIN 45 545 reference tone for platter speed and wow & flutter analysis." }, { "index": "1-4", "label": "Frequency response sweep 20 Hz to 20 kHz", "type": "sweep", "channel": "both", "from_hz": 20, "to_hz": 20000, "duration_seconds": 90, "purpose": "freq_response", "signal_type": "sweep", "analyzer_module": "frequency_response", "sweep_direction": "ascending", "sweep_scale": "log", "notes": "RIAA-encoded logarithmic sweep for cartridge frequency-response analysis. Measures full chain: test record → cartridge → tonearm → cable/loading → phono stage → ADC." }, { "index": "1-5", "label": "THD reference 1 kHz", "type": "sine", "channel": "both", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "thd", "signal_type": "single_tone", "analyzer_module": "thd", "level_db": 0, "level_reference": "0dB_groove", "notes": "1 kHz lateral mono sine tone for total harmonic distortion measurement and reference level calibration." }, { "index": "1-6", "label": "SMPTE IMD 60 Hz + 7 kHz", "type": "dual_tone", "channel": "both", "duration_seconds": 30, "purpose": "imd", "signal_type": "dual_tone", "analyzer_module": "imd", "f1_hz": 60, "f2_hz": 7000, "ratio": "4:1", "standard": "SMPTE", "notes": "SMPTE dual-tone intermodulation distortion test (60 Hz + 7 kHz, 4:1 amplitude ratio)." }, { "index": "1-7", "label": "1 kHz reference -20 dB", "type": "sine", "channel": "both", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "freq_response", "signal_type": "single_tone", "analyzer_module": "reference_calibration", "level_db": -20, "level_reference": "0dB_groove", "notes": "1 kHz reference tone at -20 dB relative to standard groove level. Used for ADC headroom check and pre-calibration without risk of clipping." }, { "index": "1-8", "label": "10 kHz reference -20 dB", "type": "sine", "channel": "both", "frequency_hz": 10000, "duration_seconds": 30, "purpose": "freq_response", "signal_type": "single_tone", "analyzer_module": "reference_calibration", "level_db": -20, "level_reference": "0dB_groove", "notes": "10 kHz tone at -20 dB. Used to assess high-frequency tracking and HF channel balance relative to the 1 kHz reference." }, { "index": "1-9", "label": "100 Hz mono lateral reference", "type": "sine", "channel": "both", "frequency_hz": 100, "duration_seconds": 30, "purpose": "freq_response", "signal_type": "single_tone", "analyzer_module": "reference_calibration", "level_db": 0, "level_reference": "0dB_groove", "notes": "100 Hz lateral reference tone for low-frequency calibration and LF channel balance check." }, { "index": "1-10", "label": "Frequency sweep 1 kHz to 20 Hz", "type": "sweep", "channel": "both", "from_hz": 1000, "to_hz": 20, "duration_seconds": 60, "purpose": "freq_response", "signal_type": "sweep", "analyzer_module": "frequency_response", "sweep_direction": "descending", "sweep_scale": "log", "notes": "Descending sweep from 1 kHz to 20 Hz for low-frequency response and sub-bass resonance region analysis." }, { "index": "1-11", "label": "VTA/SRA adjust dual-tone IMD", "type": "dual_tone", "channel": "both", "duration_seconds": 30, "purpose": "vta_optimization", "signal_type": "dual_tone", "analyzer_module": "vta_imd_optimizer", "f1_hz": 60, "f2_hz": 4000, "ratio": "4:1", "standard": "IEC_IMD", "notes": "Dual-tone IMD reference for VTA/SRA optimization modelled as IEC IMD 60 Hz + 4 kHz in 4:1 amplitude ratio. Measure IMD at several tonearm-height settings; the lowest measured IMD can identify an experimental SRA candidate for further validation. Metadata only (S3D) — VTA IMD analyzer not yet fully validated." } ] }, { "side": "2", "bands": [ { "index": "2-1", "label": "Anti-skating 315 Hz amplitude sweep to +12 dB", "type": "sine", "channel": "both", "frequency_hz": 315, "duration_seconds": 60, "purpose": "tracking_ability", "signal_type": "amplitude_sweep", "analyzer_module": "anti_skate_tracking_stress", "level_start_db": 0, "level_end_db": 12, "level_reference": "0dB_groove", "notes": "315 Hz lateral tone at escalating amplitude from 0 dB up to +12 dB above standard groove level. Adjust anti-skating force until inner and outer groove-wall distortion are balanced across both channels." }, { "index": "2-2", "label": "Pink noise lateral", "type": "noise", "channel": "both", "duration_seconds": 60, "purpose": "pink_noise", "signal_type": "noise", "analyzer_module": "pink_noise_diagnostics", "notes": "Broadband pink noise, lateral modulation (L+R in phase). Used for spectral balance verification, phono chain noise floor diagnostics and left/right spectral tilt comparison." }, { "index": "2-3", "label": "Pink noise vertical", "type": "noise", "channel": "out_of_phase", "duration_seconds": 60, "purpose": "pink_noise", "signal_type": "noise", "analyzer_module": "pink_noise_diagnostics", "notes": "Broadband pink noise, vertical modulation (L+R out of phase). Used for vertical compliance response, vertical/lateral noise ratio and channel phase diagnostics." }, { "index": "2-4", "label": "Vertical 1 kHz", "type": "sine", "channel": "out_of_phase", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "vertical_modulation", "signal_type": "single_tone", "analyzer_module": "vertical_modulation", "level_db": 0, "level_reference": "0dB_groove", "notes": "Pure vertical modulation at 1 kHz (L+R out of phase). Used for azimuth verification, mono-sum null test and vertical channel balance." }, { "index": "2-5", "label": "Vertical sweep 1 kHz to 10 Hz", "type": "sweep", "channel": "out_of_phase", "from_hz": 1000, "to_hz": 10, "duration_seconds": 60, "purpose": "vertical_modulation", "signal_type": "sweep", "analyzer_module": "vertical_resonance", "sweep_direction": "descending", "sweep_scale": "log", "notes": "Descending vertical modulation sweep from 1 kHz to 10 Hz. Used to detect vertical resonance peaks. Compare measured peak with Tonearm Match Lab calculated resonance." }, { "index": "2-6", "label": "Silent groove", "type": "silence", "channel": "both", "duration_seconds": 30, "purpose": "rumble", "signal_type": "silence", "analyzer_module": "rumble_isolation", "notes": "Unmodulated groove. Used for bearing rumble noise floor measurement, low-frequency energy profiling and plinth/rack isolation testing." } ] } ] }, { "id": "ortofon-test-record", "manufacturer": "Ortofon", "title": "Ortofon Test Record", "edition": "Modern reissue", "format": "12-inch LP, 33 1/3 rpm", "source": "Ortofon test-record technical sleeve", "sides": [ { "side": "A", "bands": [ { "index": "A1", "label": "Reference 1 kHz", "type": "sine", "channel": "both", "frequency_hz": 1000, "duration_seconds": 30, "purpose": "freq_response" }, { "index": "A2", "label": "Frequency sweep 20 Hz to 20 kHz", "type": "sweep", "channel": "both", "from_hz": 20, "to_hz": 20000, "duration_seconds": 90, "purpose": "freq_response" }, { "index": "A3", "label": "Tracking ability 300 Hz", "type": "sine", "channel": "mono", "frequency_hz": 300, "duration_seconds": 60, "purpose": "tracking_ability" }, { "index": "A4", "label": "Speed reference 3150 Hz", "type": "sine", "channel": "both", "frequency_hz": 3150, "duration_seconds": 60, "purpose": "speed", "signal_type": "single_tone", "analyzer_module": "wow_flutter" } ] } ] } ] }