Hifi Devices of 1947-1970

This is a complete control and power center incorporating the results of H.H. Scott's famous engineering leadership and skill. This amplifier is ideal for those who prefer a top-quality monophonic system now, and wish to expand to stereo sound later. Together with the LM35 Stereo-Adaptor it also makes an excellent add-on system to existing amplifiers. Outstanding features include two low-level preamp inputs that enable you to use both a phono cartridge and tape head; extensive tape recording and monitoring facilities; and front-panel stereo expansion switch.

This preamplifier has already won the reputation of being the best stereo control center available. HI FI & MUSIC REVIEW magazine reports that the 130 "has so much flexibility that it defies adequate editorial treatment. " This unit bas separate Bass and Treble controls on each channel for accurate speaker balancing.

Expand to stereo by adding the Stereo-Daptor and a new H. H. Scott monophonic amplifier to your present system. The Stereo-Daptor permits control of two separate amplifiers from a central point. A Master Volume Control adjusts the volume levels of both channels simultaneously. Special switching lets you play stereo, reverse stereo, use your stereo pickup on monaural records, or play monaural program material through both amplifiers at the same time. This gives you the full power of both amplifiers. No internal changes are required when used with H.H. Scott amplifiers.

The 30 watt output stage of this complete amplifier makes it ideal for less-efficient speaker systems or where the absolute optimum in performance is required. The unique Acoustic Level Control insures perfect operation of the amplifier with any speaker and in any room. A convenient front-panel switch facilitates instant expansion of the 209 to a Stereo system, together with the 135 Stereo-Daptor and a second amplifier. Important operating features include dual magnetic inputs; three-position scratch and rumble filters and extremely high gain permitting use-with any phono cartridge or tape-recorder head.

The unique "Power-Balance" output circuitry of this amplifier results in performance equal to amplifiers of much higher power rating. Output transformer is of exclusive H. H. Scott design. Rugged 6CA7 output tubes are used, operating far below maximum ratings. Two 250's are ideal for use with the L30 Stereo preamp, combining to give stereo playback systems of unexcelled quality.

This is a complete stereo control and power center of unusual versatility. The dual 20 watts power stages provide ample reserve for any speaker requirements. Outstanding features include separate tone controls on each channel for accurate speaker balancing.

Designed for the perfectionist and true connoisseur, the 31OB is the most sensitive tuner it is possible to make at this stage of the art. It finds application in professional broadcast relay work, and in home listening where the absolute optimum in performance is required. Outstanding features include heavily silver-plated RF circuitry, professional illuminated signal strength meter and the interstation Noise Suppressor. HIGH FIDELITY Magazine says of this fine instrument: The 310 " ... is a tuner that seems as close to perfection as is practical at this time."

Here is an outstanding FM tuner, incorporating all the benefits of H. H. Scott engineering leadership at a moderate price. The 311 C features wide-band design, a unique silver-plated RF section, and professional FM Tuner illuminated signal strength meter. AUDIO magazine said of the 311 "Hermon Hosmer Scott has always had a reputation for making fine products, and even though the 311 FM tuner is low priced ... it turns in a performance and quality report that is enviable."

The extremely wide-range AM section of the 330, plus a highly sensitive, drift-free, wide-band FM section make this the outstanding tuner for reception of AM-FM Stereophonic broadcasts. H. H. Scott's long experience in the design of stereo tuners assures uncompromising performance in AM and FM reception. Technical authorities have acclaimed this tuner as the finest available. For example, Audiocraft Magazine reports: " ... a very high quality FM tuner combined with an AM tuner which is easily the best we have heard. "High Fidelity Magazine states" The cleanest and most transparent FM signals I have heard in a long time."

The LK-72 offers the finest performance and greatest reliability of any integrated stereo amplifier kit available. Since its introduction the superb performance of the LK-72 has been acclaimed by electronic experts and thousands of enthusiastic kit builders . . . many had never built a kit before!

The mighty LK-150 is the ultimate power amplifier. Rated at 65 watts (IHFM) per channel, it will bring out details in your favorite program material that you never knew existed. Whether played at a whisper or a roar, the LK-150 will be a revelation to even the most experienced music lover.

LM-35 Wide-Band Multiplex Adaptor. This is the kit version of H. H. Scott's famous 335 multiplex adaptor. It includes exclusive H. H. Scott "time-switching" circuitry. Multiplex section comes pre-wired and pre-aligned. The kit builder need assemble just the power supply and the controls which should take only about 4 hours.

LT-10 Wide-Band FM Tuner. The LT10 revolutionized kit building by making it possible for the novice to build a professional tuner without previous kit-building experience. Electronics Illustrated (Nov 1961) said "a remarkable combination of simplicity
and excellent performance"

Now you can build your own H. H. Scott Wide-Band Multiplex Tuner for flawless reception of new FM Stereo broadcasts. H.H. Scott tuners are used for off the-air monitoring by virtually every FM Multiplex station in both the United States and Canada.

A superb tuner In easy to build Kit form, Learn as you build manual contains full color wiring diagrams, mistake proof double check instructions and theory of operation. Finished product is a fine performer featuring the famous Scott silver plated FET front end for maximum sensitivity and low distortion, has four position meter selector switch for signal strength, multipath center frequency tuning and alignment, and stereo indicator light for positive identification of stereo broadcasts. Dynaural muting control virtually eliminates interstation static.