JVC - SEA-50 Equalizer





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JVC SEA‑50 stereo graphic equalizer, made in Japan, manufactured 1977–1982, very good condition and tested and working, 1 item with aluminium grey front panel housing, weight 6.9 kg, dimensions 420 × 159 × 340 mm, includes power cord.
Description from the seller
The legendary JVC SEA-50 equalizer. A solid beast!
A well regarded treasure for the vintage enthusiastic. Hi-Fi made in Japan. Tested and working.
Please see pictures as those form part of the description. Small few marks, but not significant considering the equipment age.
Characteristics:
- Type: Stereo graphic equalizer (10 bands)
- Years of manufacture: 1977–1982
- Made in: Japan
- Front panel: Aluminum, grey metallic housing
Audio Performance
- Frequency response: 10 Hz – 100 kHz
- Total harmonic distortion:
- < 0.005% (HiFi‑Wiki)
- 0.03% (HiFi Engine & SEA‑50B spec)
- Signal‑to‑noise ratio:
- 115 dB (HiFi‑Wiki)
- 80 dB (HiFi Engine)
- ≥ 105 dB (SEA‑50B)
- Output level: Max 5 V
- Gain: ±0 dB
Equalizer Bands & Controls
- 10 frequency bands:
32 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 12 kHz
- High band switchable to: 16 kHz or 20 kHz
- Adjustment range: ±12 dB (2 dB steps)
- Special functions:
- SEA effect on/off
- SEA defeat (bypass)
- Volume cut: 0 dB / –6 dB
- Tape Monitor 1 & 2
Inputs & Outputs
- Inputs:
- 1 × Line (RCA)
- 2 × Tape (RCA)
- Outputs:
- 2 × Line (RCA)
- 2 × Tape Rec (RCA)
- Front‑panel I/O: Present on SEA‑50B variant
Dimensions & Weight
- Dimensions:
- 420 × 159 × 340 mm
- Weight: 6.9 kg
Shipment: total weight approx.. 11 kg.
Shipment will be packed with care and extra protection for transportation.
The legendary JVC SEA-50 equalizer. A solid beast!
A well regarded treasure for the vintage enthusiastic. Hi-Fi made in Japan. Tested and working.
Please see pictures as those form part of the description. Small few marks, but not significant considering the equipment age.
Characteristics:
- Type: Stereo graphic equalizer (10 bands)
- Years of manufacture: 1977–1982
- Made in: Japan
- Front panel: Aluminum, grey metallic housing
Audio Performance
- Frequency response: 10 Hz – 100 kHz
- Total harmonic distortion:
- < 0.005% (HiFi‑Wiki)
- 0.03% (HiFi Engine & SEA‑50B spec)
- Signal‑to‑noise ratio:
- 115 dB (HiFi‑Wiki)
- 80 dB (HiFi Engine)
- ≥ 105 dB (SEA‑50B)
- Output level: Max 5 V
- Gain: ±0 dB
Equalizer Bands & Controls
- 10 frequency bands:
32 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 12 kHz
- High band switchable to: 16 kHz or 20 kHz
- Adjustment range: ±12 dB (2 dB steps)
- Special functions:
- SEA effect on/off
- SEA defeat (bypass)
- Volume cut: 0 dB / –6 dB
- Tape Monitor 1 & 2
Inputs & Outputs
- Inputs:
- 1 × Line (RCA)
- 2 × Tape (RCA)
- Outputs:
- 2 × Line (RCA)
- 2 × Tape Rec (RCA)
- Front‑panel I/O: Present on SEA‑50B variant
Dimensions & Weight
- Dimensions:
- 420 × 159 × 340 mm
- Weight: 6.9 kg
Shipment: total weight approx.. 11 kg.
Shipment will be packed with care and extra protection for transportation.

