The new E1CO Model 720 is a very "clean" 90 watt CW, 80 through 10 meters bandswltching amateur Transmitter This exceptionally conservative, stable high efficiency electrical design is housed in a modern "low-silhouette" cabinet to permit its use in normal living-room space. Some important design features are: one-knob band switching; one-knob power, tune and operate switch; final amp- lifiergrid drive control without detuning oscillator; Oscillator keying for break in operation; a"novice limit" calibration (75 watts) on the meter; matching Antenna from 50 to lOOOohms. External plate modulation terminals permit use as an AM Phone Transmitter delivering up to 65 watts plate power input with the EICO Electronic Instrument Co. Inc. Model 730 High Level Universal Modulator-Driver. FEATURES 1. Ideal for seasoned veteran or beginning novice, 2. 6146 final Amplifier for full 90 watts cw input. 3. Completelysealed cabinet and careful by-passing and choking of all input and output leads for effective TV1 suppression* 4. Protection of final Amplifier is provided by a clamper tube circuit, when a loss of excitation exists· 5· One knob band-switching —no coils to change. 6. Final Amplifier grid drive control without detuning oscillator· 7· Auxiliary power socket provided· 8. One knob power, tune, and operate switch. 9 Oscillator keying for break-in operation. 10. No shock hazard at key terminals