The Stereo 30 used germanium transistors because that was all that was available at the time. Two lots of 15W easily trumped the outgoing Stereo 20 valve model, even before the improvements in reliability and performance due to the elimination of the output transformer (both key claims by Leak at the time) were taken into account. The number '30' equated to the sum of the outputs of both channels when measured under the most favourable conditions. The Stereo 30 was Leak's first transistor amplifier. Side by side the two looked much the same, but inside the 30 Plus was all new in order to take advantage of improved technology. This was certainly not the case with the Leak Stereo 30 Plus amplifier of 1969, which replaced the Stereo 30 first seen in 1963. Often the changes are minimal: a tidied-up fascia to match a new model added elsewhere in the range, or an extra function or minor circuit redesign. It's not unusual for a successful hi-fi product to be updated with mild revisions during its lifetime. Capable of delivering between 5W and 25W of output power, the TRP-8000 can run for over 48 hours at a 40% transmit duty cycle at max power from a standard car battery.While a near dead-ringer for the amp it replaced, this '60s integrated saw Leak leverage new technology to boost performance and widen its appeal. In fact, the TRP-8000-X provides more protection than any other commercially available product on the market today! Designed to meet IP67 standards, the TRP-8000-X can withstand the harshest operating environments. The TRP-8000-X is built, using best of class radio transceivers & world-class Sinclair Duplexers - all built inside a lunch box sized, genuine 40MM US "Ammunition Can" that provides robust protection from dust, dirt, corrosion and most importantly, interface from outside sources. For example, a Search & Rescue team operating on UHF needs to communicate with a fire department on UHF. With Power & Versatility for All Band Operation Portable Tactical UHF to VHF CrossBand Radio CommunicationsĬhoose a Cross-Band repeater to link various services that operate in different bands. VHF/UHF Portable Crossband VHF to UHF Repeaters Read more about Portable VHF Emergency Radio Repeater - Deploy Anywhere - Ammobox Radio Products.Capable of delivering between 5W and 25W of output power, the AmmoBox can run for over 48 hours at a 40% transmit duty cycle at max power from a standard car battery. In fact, the TRP-8000 provides more protection than any other commercially available product on the market today! Designed to meet IP67 standards, the AmmoBox can withstand the harshest operating environments. The TRP-8000 is built, using best of class radio equipment & world-class Sinclair Duplexers - all built inside a lunch box sized, genuine 40MM US "Ammunition Can" that provides robust protection from dust, dirt, corrosion and most importantly, interface from outside sources. This nifty gear is all you need in an emergency. The TRP-8000 series of portable repeaters operate Analog and can be rapidly deployed to provide instant local or networked radio communication solutions. With Power & Versatility Business Band Repeaters
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