All-Transistor, All-Mode Stereo Receiver AR-13

• anderer Name: Heath Company

Heathkit AR-13. 43 transistor, 16 diode circuitry for cool, fast economical operation and the quick, natural beauty of “transistor sound” if Compact, yet houses two 20-watt power amplifiers, two separate preamplifiers, and a wide-band AM/ FM/FM Stereo tuner if Tuner automatically switches to stereo. Richly-warm walnut cabinet styled in Heathkit's new low-silhouette design. Easy to build with preassembled, prealigned “frontend” and AM-FM I.F. strip.

SPECIFICATIONS—Amplifier: Power output per channel (Heath Rating): 20 watts/8 ohm load, 13,5 watts /16 ohm load, 9 watts/4 ohm load. (IHFM Music Power Output): 33 watts/8 ohm load, 18 watts /16 ohm load, 16 watts/4 ohm load @ 0.7% THD, 1 KC. Power response: ±1 db from 15 cps to 30 KC @ rated output; ±3 db from 10 cps to 60 KC @ rated output. Harmonic distortion (at rated output): Less than 1% @ 20 cps; less than 0.3% @ 1 KC; less than 1% @ 20 KC. Intermodulation distortion (at rated output): Less, than 1%, 60 & 6,000 cps signal mixed 4:1. Hum & noise: Mag. phono, 50 db below rated output; Aux. inputs, 65 db below rated output. Channel separation: 40 db @ 20 KC, 60 db @ 1 KC, 40 db @ 20 cps. Input sensitivity (for 20 watts output per channel, 8 ohm load): Mag.
phono, 6 MV; Aux. 1, .25 v; Aux. 2, .25 v. Input impedance: Mag. phono, 35 K ohm; Aux. 1,
100 K ohm; Aux. 2, 100 K ohm. Outputs: 4, 8, & 16 ohm and low impedance tape recorder
outputs. Controls: 5-position Selector; 3-position Mode; Dual Tandem Volume; Bass &
Treble Controls; Balance Control; Phase Switch; Input Level Controls (all inputs except
Aux. 2); Push-Pull ON /OFF Switch. FM: Tuning range: 88 me to 108 me. IF Frequency:
10.7 me. Antenna: 300 ohm balanced (internal for Local reception). Quieting sensitivity:
2% uv for 20 db of quieting, 3% uv for 30 db of quieting. Bandwidth: 250 KC @ 6 db down
(full quieting). Image rejection: 30 db. IF Rejection: 70 db. AM Suppression: 33 db.
Harmonic distortion: Less than 1%. Multiplex: Bandpass: ±% db, 50 to 53,000 cps.
Channel separation: 30 db, 50 to 2,000 cps; 25 db @ 10 KC. 19 KC Suppression: 50 db
down, from output @ 1 KC. 38 KC Suppression: 45 db down, from output @ 1 KC. SCA
Rejection: 30 db. AM: Tuning range: 535 to 1620 KC. IF Frequency: 455 kc. Sensitivity:
1400 KC, 3.5 uv; 1000 KC, 5 uv; 600 KC, 10 uv—standard IRE dummy antenna. Bandwidth: 8 KC @ 6 db down. Image rejection: 30 db @ 600 KC. IF Rejection: 45 db @ 600 KC. Harmonic distortion: Less than 1%.

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Alle gelisteten Radios usw. von Heathkit (Brand), Heath Co.; Benton Harbor (MI)