| Title | Value |
|---|---|
| Heads : | 2x Permalloy (play) |
| 1x rec/erase | |
| Tracks : | 4-tracks, two channel |
| Motors : | 1x dual-speed hysteresis synchronous (capstan) |
| 2x eddy current induction (reels) | |
| Tape speed : | 19cm/s (± 0,5%) |
| 9,5cm/s (± 0,5%) | |
| Wow & flutter : | 0,08% (19cm/s) |
| 0,10% (9,5cm/s) | |
| FF time : | 90s (1200ft tape) |
| Frequency response : | 30Hz...22Khz (19cm/s) |
| 40Hz...18Khz (19cm/s ; ±3dB) | |
| 30Hz...16Khz (9,5cm/s) | |
| 40Hz...12Khz (9,5cm/s ; ±3dB) | |
| Bias : | 100Khz |
| S/N ratio : | 55dB |
| Crosstalk : | 60dB channel to channel at 1Khz |
| 50dB between adjacent tracks at 100Hz | |
| Inputs : | 2x MIC (0,3mV minimum / 600 Ohm) |
| 2x line (0,1V minimum / 50,000 Ohm) | |
| Outputs : | 2x line (0,3V for 10,000 Ohm load or more) |
| 1x headphones (8 Ohm) | |
| PC : | ? |
| Dimensions : | 44 x 38,3 x 20,3cm |
| Weight : | 17kg. |
Teac A-1250
july 1971
1973
Mid-end recorder built in a very solid way, 1970s style, from the same generation as the A-2300 : same motors, same electronics, same controls, pots, pans and switches.
But for the addition of the automatic reverse mode : automatic being if one has previously glued a piece of conductive foil at one end (or both) of the reel tape - a very manual automation in the end.
Also necessary for this planned-in-advance automation : a second play head !
To not build a different head-stack to accomodate said head, in other words to save pennies, Teac devised a special head which performs both duties of erasure and recording.
The rest is an A-2300, but being a year younger the A-1250 has much better channel separation, frequency response and S/N ratio - so who's the small one, really ?
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