Differences

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--- 420 [2007/02/11 23:07]
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+++ 420 [2007/12/04 03:35]
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 ====== Hercules II Model 420 ======
+{{420.jpg?150|}}{{420rear.jpg?135|}}
+===== Description =====
+Solid state all mode 550 watt no-tune amplifier.
+===== Reviews =====
+  *[[http://www.eham.net/reviews/detail/111|eHam]]
+  *CQ Magazine, 1990, August, Page 22
+===== Related Links =====
+  *[[/webarchive/420/|Archived Ten-Tec Web Page]]
 ===== Specifications =====
-**Operating Frequency Range:** General coverage 1.6 to 22.000 MHz. Modification for 22.000 to 30.000 MHz is available for authorized users.Coverage is in seven bands which are front panel or rear panel remote selectable.
+  ***Operating Frequency Range:** General coverage 1.6 to 22.000 MHz. Modification for 22.000 to 30.000 MHz is available for authorized users.Coverage is in seven bands which are front panel or rear panel remote selectable.
-**RF Power:** 1000 watts input. 500/600 watts output, depending on frequency and load impedance.
+  ***RF Power:** 1000 watts input. 500/600 watts output, depending on frequency and load impedance.
-**Drive Power:** 65 to 80 watts typical for 500 watts output.
+  ***Drive Power:** 65 to 80 watts typical for 500 watts output.
-**Distortion:** -35 dB from 500 watt output level.
+  ***Distortion:** -35 dB from 500 watt output level.
-**Harmonics:** -50 dB typical.
+  ***Harmonics:** -50 dB typical.
-**Input and Output Impedance:** 50 0hms unbalanced, < 2:1 SWR
+  ***Input and Output Impedance:** 50 ohms unbalanced, < 2:1 SWR
-**Cooling:** Internal forced air, rear panel exhaust.
+  ***Cooling:** Internal forced air, rear panel exhaust.
-**Metering:** Switch selectable forward power, SWR, Icc (collector current) and Vcc (Voltage). Ten element LED bar graph displays peak output power.
+  ***Metering:** Switch selectable forward power, SWR, Icc (collector current) and Vcc (Voltage). Ten element LED bar graph displays peak output power.
-**Primary Power:** RF deck, 12 to 14 volts at 100 amps, maximum.
+  ***Primary Power:** RF deck, 12 to 14 volts at 100 amps, maximum.
-**TX/RX Switching Time:** 10 ms or less.
+  ***TX/RX Switching Time:** 10 ms or less.
-**Duty Cycle:** 100% typical Amateur service. 10 minutes maximum continuous key-down at 500 watts output.
+  ***Duty Cycle:** 100% typical Amateur service. 10 minutes maximum continuous key-down at 500 watts output.
-**Final Amplifier Transistors:** Eight MRF458, or equivalent.
+  ***Final Amplifier Transistors:** Eight MRF458, or equivalent.
-**Protective Circuits:** Over-voltage and overcurrent lockout. Front panel "OVERDRIVE" light.
+  ***Protective Circuits:** Over-voltage and overcurrent lockout. Front panel "OVERDRIVE" light.
-**Front Panel Controls:** Multi-meter control switch. power on-off switch and band select switch.
+  ***Front Panel Controls:** Multi-meter control switch. power on-off switch and band select switch.
-**Rear Panel Connections:** RF in, RF out, DC input. TX/RX control jacks and remote control socket.
+  ***Rear Panel Connections:** RF in, RF out, DC input. TX/RX control jacks and remote control socket.
-**Size:** HWD 5.25" x 12" x 14. 5".
+  ***Size:** HWD 5.25" x 12" x 14. 5".
-**Weight:** 15 lbs.
+  ***Weight:** 15 lbs.
+===== Accessories =====
+  *Model [[9420]] Power Supply (sold separately from amp)
+  *Model [[9423]] Remote Control Head
+  *Model [[9422]] DC Cable
+  *Model [[264]] "Y" Cable
+  *Model [[236]] "Y" Cable

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