Specifications and Main Features
Model GX-4000D Specifications:
- Track System 4 track, 2 channel stereo/monaural
- Reel Capacity Up to 7” reel
- Tape Speed 7-1/2 ips and 3-3/4 ips
- Wow & Flutter less than 0.08% WRMS
- Frequency Response
- 7-1/2 ips 30 to 24000 Hz +3dB
- 3-3/4 ips 30 to 16000 Hz +3dB
- Distortion (1kHz "0" VU) At 7 ½ ips less than 1.0%
- Signal to Noise Ratio: better than 60 dB
- Erase Ratio: better than 70 dB
- Bias Frequency: 100 kHz
- Heads: One GX Recording head one GX Playback head one Erase head
- Motor: 4-pole induction motor
- FF & Rewind Time: 200 sec using 1,200 ft tape
- Output Jacks:
- Line: 0.775V (“0" VU) (Load Impedance: >50 ohm)
- Phone: 100mV/8 ohm
- Input Jacks:
- Microphone: 0.25mV (600 ohm)
- Line: 70 mV
- DIN Jack: Input: 2 mV/10 kohm Output: 0.3V
- Semiconductors: Transistors: 24, Diodes: 13, FETS: 2 Discrete ICs: 1
- Dimensions: 440(W) x 315(H) x 230(D) mm (17.3 x 12.4 x 9.1”)
- Weight: 13.2kg 29.1 lbs
- Power Requirements:
- Japan: 100V, 50/60Hz.
- Canada and the United States of America: 120V, 60Hz.
- European & Australia: 226/240V, 50 Hz
- The switchable frequency And voltages are 110/120/220/240V 50/60 Hz for the rest of the world
Model GX-4000DB Specifications:
- Track System: This system has 4 tracks and is stereo/2 channel monaural
- Reel Capacity: Up to a 7 inch reel
- Tape Speed: 7 1/2 IPS and 3 3/4 IPS
- Wow & Flutter: 0.08% WRMS by maximum standard
- Frequency Response:
- 3 3/4 ips: Hz +3 dB at 30 to 16,000
- 7 1/2 taps: Hz +3 dB at 30 to 24.000
- Distortion (1,000 Hz “0” VU): At 7-1/2 ips, it is reported to be less than 1.0%
- Signal to Noise Ratio: When the dolby switch is on, it is greater than 60 dB ( works for improvement of 10 Db at 5Khz )
- Erase Ratio: 70 db minimum
- Bias Frequency: Operates at 100,000 hertz
- Heads: The product operates a GX recording head, a GX playback head and an erase head
- Motor: The motor is 4 pole induction
- FF & Rewind Time: Time for rewind is less than 200 secs with a 1200 footer tape
- Output Jacks:
- Phone: 100 mV with 8 ohms
- Line : 580mv (supply voltage 0 VUU with Permanent loads greater than 100 K )
- Input Jacks:
- Microphone: 0.25 MV with 600 ohms impedance
- Line: 70MKV
- DIN Jack: Input: 2MV/10k, output 0.3 volt
- Semiconductors: Transistors: 21, Diodes: 21, FETs: 2, ICs: 5
- Dimensions: 440(W) x 315(H) x 230(D) mm (17.3 x 12.4 x 9.1”)
- Weight: 13.2 kg (29.1 lbs)
- Power Requirements:
– 120V, 60 Hz for Canada & U.S.A
– 220/240V, 50 Hz for European countries and Australia
– 110/120/220/240V (Switchable), 50/60 Hz for other countries
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Frequently Asked Questions
Q1: What is the maximum reel capacity for the GX-4000D and GX-4000DB models?
A1: Both models have an upper limit of accommodating 7” reels. Right from the go, you should mount a 7” reel in these models.
Q2: What are the tape speeds available on the GX-4000D and GX-4000DB?
A2: the tape speeds available are: 7-1/2 ips and 3-3/4 ips.
Q3: What is the frequency response of the GX-4000D at 7-1/2 ips?
A3: the Frequency response is: 30 to 24,000 Hz +3 dB.
Q4: What is the weight of the GX-4000D?
A4: the weight of GX-4000D is 13.2 kg ( 29.1 lbs ).
Q5: What is the signal to noise ratio of the GX-4000DB? A5: The signal to noise ratio has a value of better than 60 dB, which can be improved to 10 dB more than 5kHz when the Dolby Allan Switch is ON.
Q6: Is it permissible to connect the GX-4000DB to a 240V supply?
A6: Absolutely, operating GX-4000DB machine with 110/120/220/240V is possible and with it's switch installed, the GX-4000DB is versatile to all the different power supply setups.
Q7: Approximately how long does it take to fast forward or rewind a tape that is 1,200 feet long?
A7: It would approximately take 200 seconds to fast forward and rewind a tape that is 1,200 ft long.
Q8: Do the GX-4000D and GX-4000DB come with a built in Dolby noise reduction system?
A8: Yes, a Dolby noise reduction switch is provided in the GX-4000DB in an effort to increase performance.
Q9: What specific type of motors does GX-4000D and GX-4000DB use?
A9: A 4-pole induction motor is used in both models.
Q10: What would be the dimensions of both the above models?
A10: The dimensions for both models are 440(W) x 315(H) x 230(D) mm or 17.3 x 12.4 x 9.1 inches.
User Manual
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