VICTOR/JVC S-777
* Built to order
¥ 119,000 (1 unit, around 1976)
Commentary
This is a 2-way floor type speaker system that uses a professional specification unit of Phase Link Co-axial.
The unit is equipped with a 30 cm coaxial type unit that combines 30 cm cone type woofer and horn type tweeter.
This unit employs a phase-ring coaxial method, which uses a phase-moire transmission partan measuring method to precisely match the phase. This method not only concentrates the sound source, but also precisely adjusts the positional relationship between the woofer and tweeter to reduce mutual interference near the crossover frequency.
The woofer is made of lightweight, high-Young's modulus corn paper manufactured by Horley in the United States. The tweeter is equipped with a drip type equalizer that advances the sound center.
Alnico V magnet is used for the magnetic circuit of each unit.
The enclosure uses a bass reflex system.
In addition, a tapered baffle has been adopted to match the sound axis and ear height from the viewpoint of ergonomics, and to reduce standing waves inside the cabinet.
Model Rating
Method | 2-Way, 1-Speaker, Bass Reflex System, Floor Type |
Unit | All Band : 30 cm Coaxial Type For low band : 30 cm cone type For High Frequency : Horn Type |
Playback frequency band | 30 Hz to 20 kHz |
Impedance | 8 Ω |
Max Input | 100W (Music Power) |
Output sound pressure level | 95dB/W/m |
Crossover frequency | 1500Hz |
Level control | Constant Resistance Continuously Variable Type (Tweeter) |
External dimensions | Width 470x Height 803x Depth 392 mm |
Weight | 37.0kg |