Akai Cross-Field Reel-to-reel and Cartrdidge Stereo 8 Recorder
Your dream of cartridge recording and playback or Reel-to-Reel recording and playback with the same recorder has come true. This is possible with Akai's X-1800SD, a novelty in the tape recorder world. Akai has combined in one tape recorder all the features that could beattained by using three conventional interconnected recorders.
Cartridge 8-track stereo recording and playback, with an one micron gap head; Reel-to-Reel 4-track Stereo/Monaural recording and playback, with the Cross-Field head of superior recording capacity; and transfer from rell to cartrdige are unique and exclusive features of this model.
Outstanding Features
Reel-to-Reel
4-track stereo/monaural recording and playback
Tape speeds; 1-7/8; 3-3/4 and 7-1/2 ips (15 ips with 15ips adaptor kit)
Heads; Cross-Field head system (Erase, Recording/Playback and Nias heads)
Wide Cross-Field Frequency Response
Two lever system ensures dependable and durable operation
Track selector for simple selection between stereo and monaural
Automatic shut-off and Instant Stopcontrol
3-digit index counter with reset button
Tape cleaner with release button
Tape lifter in fast forward and rewind operation
Cartridge
8-track stereo recording and playback
Transfer fom reel to Cartridge
Transfer safety lock
Tape speed 3-3/4 ips
Heads, Erase and one micron gap recording/playback heads
Cartridge program selector button
Program selection may be remote controlled
Program indicator lamp (also indicates whether cartridge is perfectly set)
One hour of continuous stereo recording and playback
300 foot cartridge tape
Cartridge automatic stop
Reel-to-Reel/Cartridge
Hi-fi stereo sound produced by high capacity 12 W solid stste amplifier and high compliance self-contained speakers
Silicon transistors and shield type head for high Signal-to-Noise ratio
Strudy mechanism for absolute duraability
Main amplifier protector fuse
Tone controls
Tape speed equalizer high visable twin type VU meter
Speaker On/off switch
DIN jack, Stereo headphone jack
Fine oil-finished wooden cabinet
Vertical and horizontal operation
Universal voltage selector (100 V - 240 V , 50/60 Hz)
Cross-Field Head
On conventional recorders the signal and biass are applied to the same recording head. Therefore the frequencies recorded, especially the high frequency component of the recorded signal tend to be attenuated or erased by the effect of this bias field. On the exclusive Akai Cross-Filed head which was developed by Akai for practical use the signal and bias heads are mounted in opposition with their centres slightly off. As the recorded signal is entirely unaffacted by the prevailing effect of the bias fielf, the tape can be recorded over the entire frequency spectrum with maximum fidelity.
One Micron Gap head
Model X-1800SD utilizes the cross-field head to obtain an amazing level of recording characteristics in reel-to-reel recording. In cartridge recording, the high-quality one micron gap head designed by Akai also gives excellent recording characteristics. This recording characteristic, 50 to 17,000 Hz ±3 dB at a tape speed of 3-3/4 ips, produces excellent results for cartridge tape recordings.
8-track stereo recording/playback (cartridge)
Model X-1800SD employs the 8 track stereo system on the cartridge. The tape has a total of eight tracks, two of which are used at a time for stereo recording or playback. These are four choices of channels for stereo recording and playback. When the tape ends, the next channel is automatically positioned for recording or playback. Recording or playback time for one channel is fifteen minutes, and continous one hour on four channels by using 300 foot cartridge tape. The desired channel may be easily selected by manually pushing the Cartridge program Selector Button.
Cartridge recording tape (ACT-200, ACT-300)
Akai's 1800 series tape recorders, Model 1800L and X-1800SD are the latest models that are capable of recording with a cartridge tape. For use in this type of recording, we have cartridge recording tapes, ACT-200 with 200 foot long tape, and ACT-300 with 300 foot long tape. This cartridge tapes are highly recommended for best results.
Specifications
Reel Tape Spped: 1-7/8, 3-3/4, 7-1/2 ips
Cartridge Tape Speed: 3-3/4 ips
Wow and Flutter::
Reel
7-1/2 : less than 0,12% RMS
3-3/4 : less than 0,15% RMS
1-7/8 : less than 0,20% RMS
Cartridge: less than 0,25% RMS
Frequency Response
Reel
7-1/2 : 30 - 23,000 Hz ±3 dB
3-3/4 : 30 - 18,000 Hz ±3 dB
1-7/8 : 30 - 9,000 Hz ±3 dB
Cartridge : 50 - 17,000 Hz ±3 dB
Signal-to-Noise Ratio
Reel : better than 50 dB
Cartridge : better than 45 dB
Input Level
Mic ; better than 0,5 mV
Line : better than 60 mV
Power Output: 6 W maximum each channel at Music Power,total 12 W
Equalization: Correct equalization for plaback of tapes recorded to the NARTB curve
Recording level Indicator: Twin type VU meter
Recording System:
Reel : 4-track stereo/monaural, Cross-Field bias system
Cartridge : 8-track stereo system
Fast Forward and Rewind Time
Reel : 150 seconds using 1200 foot tape at 50 Hz or 120 seconds at 60 Hz
Recording Capacity
Reel :
8 hours monauraal recording at 1-7/8 ips (1200 foot tape)
4 hours stereo recording at 1-7/8 ips
Cartridge : one hour stereo recording at 300 foot cartridge tape
Maximum Reel Size: 7-inch
Motor: 2-speed induction motor
Speakers: 2 x 4" speakers
Semiconductors: 19 Transistors, 13 Diodes
Power Supply: AC 100 - 240 V,, 50/60 Hz
Power Consumption: 60 VA
Dimensions: 378 x 338 x 238 mm (16" x 13-1/2" x 9-1/2")
Weight: 17 kg (37,4 lbs)
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