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Akai X-2000SD

Reel to Reel/Cartridge/Cassette Combination Stereo Tape Recorder (1973)

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Akai X-2000SD


The Akai X-2000SD features 4-track stereo/monaural recording/playback, two IC main plus two IC preamplifier, transfer from reel to cartridge or cassette and a cross-field head.

The cartridge section features 8-track recording/playback and one hour continuous performance, while the cassette section features 4-track stereo recording/playback.


Track system: 4-track, 2-channel, stereo/monaural system

Heads: 1 x record/playback, 1 x erase, 1 x bias

Motor: 2 speed condenser

Tape speeds: 1 78  3 34  7 12 ips

Wow and flutter: 0.2% (7 12 ips)

Frequency response: 30Hz to 22kHz (7 12 ips)

Signal to Noise Ratio: 48dB

Total harmonic distortion: 2%

Crosstalk: 40dB

Input: 50mV (line), 5mV (DIN), 0.5mV (mic)

Output: 1.3V (line), 0.4V (DIN)

Dimensions: 350 x 465 x 270mm

Weight: 22.4kg

Note: optional 15ips


schematics   English - rebrands

service manual   English - Ivy Caudieus

instruction/owners manual   English - Pugsley

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Reviewed Apr 13th, 2016 by hortensio

Answering Steve Pepper´s question:

I used to own one of these. The switch to the left of the volume controls is an EQ (Equalization) switch which works only for the reel-to-reel part of the machine. It must be set for both recording and playback to match the mechanical speed of the tape for best results. It has no effect for cassette or 8-track tapes.

As for the speed selection, with the motor switch on LOW and with the thinnest capstan, reel-to-reel speed is set for 1-7/8 ips (Seldom used, unless you want extra long recording time at the least sound quality).
With the intermediate capstan, reel-to-reel speed is set for 3-3/4 IPS.
Moving the motor switch to HIGH changes speed to 7-1/2 IPS,
and with the motor on HIGH and the largest capstan, reel to reel speed is 15 IPS. (Leave EQ switch set at 7-1/2)

Note: For cassette and 8-track, motor must always be set to LOW speed!.

If you want to TRANSFER from a 7-1/2 IPS recorded reel to either cassette or 8-track, you can still do it by using the LOW speed for the motor and the largest capstan.

Hope this helps!

Reviewed Oct 26th, 2014 by huallacan

A machine rough, but high quality. It brilliantly blended the three formats of the time, the reel, cassette and 8-track cartridge.

It is also one of the few that I know of (if not the only) working with four recording speeds for open reels 1-7 / 8, 3-3 / 4, 7-1 / 2 and 15 inches per second. Given the technology of the time, the change was witty, an electronic switch that changes the motor speed (low-high) and two sets of capstan roller-pinnch changing the velocity ratio of belt drive. This 2x2-mechanical electronic 4-speed combination were achieved.

On the subject of sound, despite the years, the machine is still of great quality, and 15-inch recordings are spectacular, clear tough little film ... but it's joy.

Regarding the performance of the cassette is of acceptable quality, plays pretty well, but I prefer a recording cassette deck.

Regarding the cartridge, I have not recorded on it that I have blank tapes, but in reproduction (studio recordings) sounds great.

In short ... like collectible is a gem, and despite the years, as the object of HiFi ... is amazing.

Juan Carlos Jerez



re: X-2000SD

Does anyone have an electronic version of the owners manual for this machine.

In particular I'm confused at the tape speeds switch at the bottom underneath the volume controls. It doesn't seem to do anything and the only options I have for changing the speed of the tape is via the switch at the top of the machine that gives me two speeds but I haven't a clue what the speeds are it just says Low or High I'm assuming that this is 3.3/4" and 7.1/2" if this is so how do I get 1.7/8" if I get any old tapes recorded at that speed to transcribe. I think I can do this on the computer digitally but would be nice to have it on the machine. I know that you can get a conversion kit for 15 ips but haven't seen anyone selling these.

All help gratefully received it's nearly 40 years since I had a reel to reel and I've only had the machine for a day so yet another steep learning curve


re: X-2000SD

I'll scan my Owners Manual if you still want it.

The AA072 "IC" tends to fail. I built a replacement circuit on .1" perfboard that works well and I'd include a drawing here if I could. Ping me for details.


re: X-2000SD

Hello Schadel,
i would be interested in a digital copy of the owners manual if you are still able to share? i recently came across this unit at a garage sale, and to save it from being passed around to people with no respect for history, i saved it and brought it home. I'm attempting to share with my wife how it works, unfortunatly i don't play with things unless i've read thier manual in fear of damaging components.
Let me know if this is something still able to recieve.

re: X-2000SD

Bruce I would love a copy of the User guide if that's not too much trouble...


re: X-2000SD

Dear Steve.

This machine has four speed in two mechanical options; first 1-7/8, 3-3/4 IPS and te second 7-1/2 & 15 IPS.

For change between both options you need have a second capstan and two pinch roller.

1.- Thin capstan (no aditional part) and largest pinch roller:
a) low switch : 1-7/8 IPS
b) High swicth : 3-3/4 IPS
2.- Thick capstan (it comes with the recorder) and smallest pinch roler:
a) low switch : 7-1/2 IPS
b) High swicth : 15 IPS

This machine is amasing... in 15 ips sounds wonderfull.

If you need some pictures to see that, you can write to me.

Juan Carlos Jerez

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