Big City Music is a US-based, Los Angeles dealer, authorized to sell Effectrode products in the US. Our price includes the 14% - 20% tariffs, duties and processing fees that are now levied on imported goods coming into the US. Effectrode pedals include a 12v positive (+) center power supply. We are not responsible for damage caused by using a power supply that is not included with your Effectrode order. The Glass-A™ model GL-1A triode buffer is specially designed to do just one thing very, very well – buffer the output signal from a musical instrument fitted with a high impedance pickups or transducer. The Glass-A buffers the pickup from cables and effect pedals input stages to prevent ‘loading’ which dulls and degrades the instrument’s tone. High voltage tube circuitry coupled with audiophile passive components makes the Glass-A a sonic dream! Its frequency response is flat from 5Hz to over 100KHz with a shallow roll-off to maintain low phase distortion. The wide linear region of a tube operating at 300V means this buffer can handle signal levels of over 50V P-P and its parallel cathode follower circuitry ensures whisper quiet operation and superb line-drive capability. The Glass-A will effortlessly handle active 5-string bass guitars, NS Stick and even ‘difficult’ instruments with fast transients such as lutes, harpsichords and hammered dulcimers to reveal more detail and improve the depth and clarity and of these instruments. Audiophile grade components are used throughout the circuitry, polyester coupling capacitors, precision resistors (with silver/palladium contacts) and Philips N.O.S. (new old stock) 6111 subminiature tube operating at real amp plate voltages all on a special gold-plated printed circuit board. The tube is manufactured to meet the stringent MIL-E-1 specification for reliability and designed for long service life under conditions of severe shock, vibration (20,000G!), high temperature and high altitude. The Subminiature Tube represent the absolute pinnacle of tube technology and offer exceptional musical performance and reliability making this the perfect buffer pedal for studio and touring in even the harshest conditions. Note: This is a limited edition pedal. Due to the limited availability of high quality N.O.S. tubes, we cannot guarantee continued production of this pedal for any amount of time. Users David Gilmour – Pink Floyd Features All Tube: 100% pure analogue vacuum tube audio path operating at amp plate voltages ensures the GL-1A buffer has phenomenal headroom and very quiet, natural sound reproduction. Each tube is burned in for 24 hours and every GL-1A pedal tested and hand assembled by the designer to make sure it is perfect. Frequency Response: Essentially flat between 5Hz-100KHz ±0.1dB. Lower -3dB break frequency is below 2Hz. Upper -3dB break frequency is above 200KHz. Class-A operation: Pure class-A operation ensures outstanding detail and resolution. Caution! This little pedal runs hot! Input impedance: Greater than 1MΩ. Output impedance: Less than 500Ω. Fitted with N.O.S Philips tube: Each GL-1A buffer is fitted with a hand-selected 6111 Subminiature Tube. This is one of the finest tubes ever built by any manufacturer at any time in history. True Bypass Switching: Automatically defaults to bypass when power is removed. Includes 12V Wall-wart Power Supply: High quality low-noise switched mode 12VDC at 1.5A wall-wart compatible with all our pedals. Accepts 100V to 240VAC mains input and comes with different mains outlet adaptor plugs, so there is always a plug that fits the country that you are playing in.
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