Vintage Dokorder 1120 4-Track Three Motor Three Head Reel to Reel Tape

This is a vintage Dokorder Model 1120 4 track / 2 channel, three motor / three head reel to reel tape recorder with solid hardwood side panels. Includes one plastic 7" reel with 1/4" tape (unknown if there is any recording on the tape). It accepts 10 1/2" reels with adapters (not included). Made by Denki Onkyo in Japan.
The unit powers on and the Play, Fast Forward and Reverse buttons all appear to operate normally. It has not been tested with tape installed and the audio has not been tested. The power cord shows some aging but is intact. There are a few mars and scratches on the cabinet.
17" x 8" x 17.75" and weighs 47+ lbs.
Below are specifications found online (assumed to be from the manufacturer but cannot verify):
- Track system: 4-track, 2-channel, stereo/monaural system
- Heads: 1 x record, 1 x playback, 1 x erase
- Motor: 1 x capstan, 2 x reel
- Reel size: up to 10.5 inch reel
- Equalization: NAB
- Tape speeds: 3 3⁄4  7 1⁄2 ips
- Wow and flutter: 0.15% (7 1⁄2 ips)
- Frequency response: 30Hz to 20kHz (7 1⁄2 ips)
- Signal to Noise Ratio: 50dB
- Crosstalk: 45dB
- Input: 80mV (line), 30mV (DIN), 0.5mV (mic)
- Output: 1.2V (line), 1.2V (DIN)
- Semiconductors: 2 x IC, 38 x transistors, 62 x diodes
- Dimensions: 452 x 430 x 172mm
- Weight: 27kg
- Year: 1976
Item is sold as-is with no guarantee of function. See photos for exterior condition.