Here's some more survey entries, measuring all my Famicoms at this point in time.
Don't currently have a Gimmick! cart, but one could extrapolate what the resulting 5B mixing might be using an average of all the deltas in one console revision compared to another.
All recordings here use the same input gain.
All measurements done using Audacity's Contrast Analyzer.
Audio is selected on the falling edge of the waveform and when entire selection is centered to account for DC offsets.
Test is run for 3 minutes to stabilize analog audio levels, then the last 5 iterations are measured to get an average dB RMS delta on each recording.
Code: Select all
HS_DEC072022_HVCN-CPU-01_HN10563380
APU1 APU2 (HVCN-CPU-01, RP2A03H-4AM-4J)
-20.42dB -20.56dB -0.14dB
-20.42dB -20.56dB -0.14dB
-20.43dB -20.56dB -0.13dB
-20.43dB -20.56dB -0.13dB
-20.43dB -20.57dB -0.14dB
average: -0.14dB
APU1 VRC6B (Mouryou Senki Madara, VRC-VI-053330-C02-485)
-26.09dB -20.02dB 6.07dB
-26.10dB -20.02dB 6.08dB
-26.10dB -20.02dB 6.08dB
-26.10dB -20.02dB 6.08dB
-26.10dB -20.02dB 6.08dB
average: 6.08dB
APU1 VRC7A (Lagrange Point, VRC-VII-053982-9046-IAND)
-30.05dB -12.78dB 17.27dB
-30.05dB -12.78dB 17.27dB
-30.05dB -12.79dB 17.26dB
-30.05dB -12.79dB 17.26dB
-30.05dB -12.79dB 17.26dB
average: 17.26dB
APU1 FDS (HVC-FMR-02, RP2C33-01A-5L1-33)
-17.68dB -5.60dB 12.08dB
-17.68dB -5.60dB 12.08dB
-17.68dB -5.60dB 12.08dB
-17.68dB -5.60dB 12.08dB
-17.68dB -5.60dB 12.08dB
average: 12.08dB
APU1 MMC5 (Nobunaga no Yabou: Sengoku Gunyuuden, N-MMC5-8951AA050)
-24.62dB -19.14dB 5.48dB
-24.62dB -19.14dB 5.48dB
-24.62dB -19.14dB 5.48dB
-24.62dB -19.14dB 5.48dB
-24.62dB -19.14dB 5.48dB
average: 5.48dB
APU1 N163 (Mappy Kids, JAPAN-163-8848-Z68)
-30.58dB -6.23dB 24.35dB
-30.58dB -6.23dB 24.35dB
-30.58dB -6.23dB 24.35dB
-30.58dB -6.23dB 24.35dB
-30.58dB -6.23dB 24.35dB
average: 24.35dB
APU1 N163 (King of Kings, epoxy-ASIC)
-30.28dB -6.73dB 23.55dB
-30.29dB -6.73dB 23.56dB
-30.29dB -6.73dB 23.56dB
-30.29dB -6.73dB 23.56dB
-30.29dB -6.73dB 23.56dB
average: 23.56dB
HS_DEC072022_HVC-CPU-GPM-02_HC3913554
APU1 APU2 (HVC-CPU-GPM-02, RP2A03G-1CP-21)
-21.41dB -21.83dB -0.42dB
-21.41dB -21.84dB -0.43dB
-21.41dB -21.84dB -0.43dB
-21.42dB -21.85dB -0.43dB
-21.42dB -21.85dB -0.43dB
average: -0.43dB
APU1 VRC6B (Mouryou Senki Madara, VRC-VI-053330-C02-485)
-26.72dB -21.13dB 5.59dB
-26.72dB -21.13dB 5.59dB
-26.73dB -21.13dB 5.60dB
-26.73dB -21.13dB 5.60dB
-26.73dB -21.13dB 5.60dB
average: 5.60dB
APU1 VRC7A (Lagrange Point, VRC-VII-053982-9046-IAND)
-30.90dB -13.38dB 17.52dB
-30.90dB -13.38dB 17.52dB
-30.91dB -13.38dB 17.53dB
-30.91dB -13.38dB 17.53dB
-30.91dB -13.38dB 17.53dB
average: 17.53dB
APU1 FDS (HVC-FMR-02, RP2C33-01A-5L1-33)
-19.38dB -5.88dB 13.50dB
-19.38dB -5.88dB 13.50dB
-19.38dB -5.88dB 13.50dB
-19.39dB -5.88dB 13.51dB
-19.39dB -5.88dB 13.51dB
average: 13.50dB
APU1 MMC5 (Nobunaga no Yabou: Sengoku Gunyuuden, N-MMC5-8951AA050)
-25.94dB -19.30dB 6.64dB
-25.93dB -19.30dB 6.63dB
-25.93dB -19.30dB 6.63dB
-25.94dB -19.30dB 6.64dB
-25.94dB -19.30dB 6.64dB
average: 6.64dB
APU1 N163 (Mappy Kids, JAPAN-163-8848-Z68)
-31.99dB -6.52dB 25.47dB
-31.99dB -6.53dB 25.46dB
-31.99dB -6.53dB 25.46dB
-31.99dB -6.53dB 25.46dB
-31.99dB -6.53dB 25.46dB
average: 25.46dB
APU1 N163 (King of Kings, epoxy ASIC)
-31.67dB -7.01dB 24.66dB
-31.66dB -7.01dB 24.65dB
-31.66dB -7.01dB 24.65dB
-31.66dB -7.01dB 24.65dB
-31.66dB -7.01dB 24.65dB
average: 24.65dB
HS_DEC072022_HVC-CPU-07_H11111212
APU1 APU2 (HVC-CPU-07, RP2A03E-6F3-42)
-15.85dB -16.07dB -0.22dB
-15.85dB -16.07dB -0.22dB
-15.85dB -16.08dB -0.23dB
-15.85dB -16.08dB -0.23dB
-15.86dB -16.08dB -0.22dB
average: -0.22dB
APU1 VRC6B (Mouryou Senki Madara, VRC VI 053330 C02 485)
-20.86dB -20.95dB -0.09dB
-20.86dB -20.95dB -0.09dB
-20.86dB -20.95dB -0.09dB
-20.87dB -20.95dB -0.08dB
-20.87dB -20.95dB -0.08dB
average: -0.09dB
APU1 VRC7A (Lagrange Point, VRC VII 053982 9046 IAND)
-24.86dB -13.19dB 11.67dB
-24.87dB -13.19dB 11.68dB
-24.87dB -13.19dB 11.68dB
-24.87dB -13.19dB 11.68dB
-24.88dB -13.19dB 11.69dB
average: 11.68dB
APU1 FDS (HVC-FMR-02, RP2C33 01A 5L1 33)
-13.20dB -5.70dB 7.50dB
-13.20dB -5.70dB 7.50dB
-13.20dB -5.70dB 7.50dB
-13.20dB -5.70dB 7.50dB
-13.20dB -5.70dB 7.50dB
average: 7.50dB
APU1 MMC5 (Nobunaga no Yabou: Sengoku Gunyuuden, N MMC5 8951AA050)
-19.92dB -19.18dB 0.74dB
-19.92dB -19.18dB 0.74dB
-19.92dB -19.18dB 0.74dB
-19.93dB -19.18dB 0.75dB
-19.93dB -19.18dB 0.75dB
average: 0.74dB
APU1 N163 (Mappy Kids, JAPAN 163 8848 Z68)
-25.90dB -6.40dB 19.50dB
-25.90dB -6.40dB 19.50dB
-25.90dB -6.40dB 19.50dB
-25.90dB -6.41dB 19.49dB
-25.90dB -6.41dB 19.49dB
average: 19.50dB
APU1 N163 (King of Kings, epoxy ASIC)
-25.59dB -6.88dB 18.71dB
-25.59dB -6.88dB 18.71dB
-25.58dB -6.88dB 18.70dB
-25.58dB -6.88dB 18.70dB
-25.58dB -6.88dB 18.70dB
average: 18.70dB
Results:
HS_DEC072022_HVCN-CPU-01_HN10563380
- APU1 (HVCN-CPU-01, RP2A03H 4AM 4J): 0
- APU2 (HVCN-CPU-01, RP2A03H 4AM 4J): -14
- VRC6B (Mouryou Senki Madara): 608
- VRC7A (Lagrange Point): 1726
- FDS (HVC-FMR-02): 1208
- MMC5 (Nobunaga no Yabou: Sengoku Gunyuuden): 548
- N163 (Mappy Kids): 2435
- N163 (King of Kings): 2356
HS_DEC072022_HVC-CPU-GPM-02_HC3913554
- APU1 (HVC-CPU-GPM-02, RP2A03G 1CP 21): 0
- APU2 (HVC-CPU-GPM-02, RP2A03G 1CP 21): -43
- VRC6B (Mouryou Senki Madara): 560
- VRC7A (Lagrange Point): 1753
- FDS (HVC-FMR-02): 1350
- MMC5 (Nobunaga no Yabou: Sengoku Gunyuuden): 664
- N163 (Mappy Kids): 2546
- N163 (King of Kings): 2465
HS_DEC072022_HVC-CPU-07_H11111212
- APU1 (HVC-CPU-07, RP2A03E 6F3 42): 0
- APU2 (HVC-CPU-07, RP2A03E 6F3 42): -22
- VRC6B (Mouryou Senki Madara): -9
- VRC7A (Lagrange Point): 1168
- FDS (HVC-FMR-02): 750
- MMC5 (Nobunaga no Yabou: Sengoku Gunyuuden): 74
- N163 (Mappy Kids): 1950
- N163 (King of Kings): 1870
HS_DEC072022_HVC-CPU-07_H7853459
- APU1 (HVC-CPU-07, RP2A03G 8E3 H4): 0
- APU2 (HVC-CPU-07, RP2A03G 8E3 H4): -14
- VRC6B (Mouryou Senki Madara): 20
- VRC7A (Lagrange Point): 1086
- FDS (HVC-FMR-02): 724
- MMC5 (Nobunaga no Yabou: Sengoku Gunyuuden): 43
- N163 (Mappy Kids): 1918
- N163 (King of Kings): 1846
Link to archive of recordings