4 tracks 2 channels (Playback): | Reproduction head (High density ferrite)
Tape end detection
Photo sensor system |
Tape speed: | 38 cm / s, 19 cm / s |
Speed deviation: | Within ±0.5% |
Tape speed fluctuation: | 0.2% or less (Difference in tape speed at the beginning and end of winding of reels 10, 7, 5) |
Change in tape tension: | Recording and playback - Within 20g
Fast-forwarding and rewinding - Within 40g (for both the take-up side and the supply side, from the outermost circumference of No. 10 reel to the inner circumference of No. 5 reel, against the change in winding diameter) |
Fast winding time: | Within 10 min. with 10 reels and 740m tape |
Reel diameter: | Up to 10 (26 types) |
Recording bias: | About 200kHz (bias can be adjusted from +60% to -40%) |
Recording and playback compensation characteristics: | NAB standard (Recording compensation can be adjusted by using tape) |
Total S / N ratio (38 cm / s, 19 cm / s): | 66dB or more for the maximum recording level (514 pWb / mm)
58dB or more against the standard recording level (200 pWb / mm) |
Total harmonic distortion: | Within 1% at 1kHz reference level |
Frequency characteristic: | 38 cm / s - 30Hz to 22kHz, ±2dB
19 cm / s - 30Hz to 18kHz, ±2dB |
Channel separation: | 55dB or more (At 2 tracks, 1kHz) |
Wow and flutter: | 38 cm / s - 0.02% WRMS or less
19 cm / s - 0.025% WRMS or less |
Rising characteristics: | 38 cm / s - Within 0.9 sec.
19 cm / s - Within 0.4 sec. (Time until wow / flutter falls within the specified value from startup) |
[Inputs] | |
Microphone (50kΩ imbalance): | -72dB (LOW)
-60dB (HIGH) |
Line (100kΩ Unbalance): | -20dB (77.5mV) |
[Outputs] | |
Line: | Output impedance - 100Ω or less
Compatible load impedance - 600Ω or more
Reference output - 0dBm (0VU) |
Headphones: | Compatible load impedance - 8Ω |
Used semiconductor: | Mechanism part - 38 x Transistors, 66 x Diodes
Amplifier section - 29 x Transistors, 29 x Diodes, 2 x IC's |
Power supply: | AC 100V, 50 / 60Hz |
Power consumption: | 120W |
