Bolex Sound 715

marketed in 1978

super 8 mm film

lens: Bolex Hi-Fi Nivar f: 1.3 \ F: 14-30 mm

optival level system: adjustable lens height

lamp: 100 W, 12 V, EFP

reel capacity: 180 m

projection: forward, reverse

projection speed: 18, 24 fps

film counter: yes

film loading: fully automatic reel to reel threading

sound: magnetic playback on both sound tracks

sound mode: mono, duo

amplifier: 1 operational amplifier, 25 Transistors, 4 Diodes, 1 Bridge Rectifier, 5 Light-Emitting Diodes

amplifier output: 10 W sinusoidal, 15 W musical

signal/background noise ratio: +/- 43 dB

frequency response: 75-10000 Hz at 18 fps, 75-12000 Hz at 24 fps

public-adress: yes (1)

recording: magnetic recording on both sound tracks, sound fading, sound-on-sound

recording level control: ALL (Auto Level Limiter) and manual (2)

magnetic heads: a single unit comprising the recording/playback heads and erasing heads (3)

sound/picture separation: 18 frames in accordance with super 8 standards

recording level indicator: digital with Light-Emitting diodes

mixing: possible

input terminal: Microphone (0.3-100 mV, 9 kOhms), Phono (50 mV- 3 V, 470 kOhm)

input jacks: 5-pin DIN

output terminal: External Speaker (4-6 Ohm), Line-out

output jacks: Ext Sp:2-pin DIN; Line: 5-pin DIN

built-in speaker: sinus 10 W

motor: asynchronous magnetic motor drive

power source: available in two versions:

  • 220-230-240-250 AC, 50 Hz

  • 100-110-117-125-200-220-240 AC, 50/60 Hz

weight: circa 6,000 g

dimensions: 221 x 206 x 335 mm

made in Austria by Eumig

  • same as Bolex Sound 714, but with optical level system

  • (1) Microphone can be used as Public Address system for live commentary

  • (2) Automatic adjustment of recording level, compensting for fluctuationc in level of up to 50 dB. Response line: 10 miliseconds. Time constant: dependent on duration of input peak: approx 0.5 to 60 seconds.

  • (3) HF premagnetization: 50000 cycles