Beschreibung
ADCOM GFA-535L Stereo Power Amplifier (High Current, High Bandwidth) Serial Number: AA17981019 This is a superb sounding stereo power amplifier that punches above its weight and will drive any loudspeakers with ease. It is simple to connect to a preamplifier, CD Player, tuner, or other audio component such as a Bluetooth receiver. The design of this amplifier is simple and effective, providing excellent performance and value. [NOTE: As Adcom indicates: the GFA-535L is identical in virtually all respects to their model GFA-535 (which does NOT have the “L” at the end of the Model number). The major exception, and improvement, is that the GFA-535L has the addition of the two input level controls on the front panel directly above the L and R INSTANTANEOUS DISTORTION ALERT LEDs.] Here are some of the outstanding features of the GFA-535L: Conservatively, 60 watts per channel, 20Hz-20kHz, into an 8 ohm load with both channels driven with less than 0.09% Total --Harmonic Distortion. 100 watts for a 4 ohm load. Dual-mono design with separate transformers and heat sinks for each channel. The ability to drive low impedance loads. Input level controls Input sensitivity is 1.0 Volt for full output Instantaneous Distortion Alert which indicates when distortion products are above the 1% level. (THD, IM, TIM, etc.) Damping factor 130 (20Hz-20kHz) Dynamic headroom is 3dB (4 ohms)Outputs for 2 pairs of speakers.INPUT LEVEL CONTROLS The input-level-control design in the GFA-535L preserves the 22,000 or input impedance of the GA-535 and remains at 22,000 ohms regardless of the position of the level controls. The design was carefully integrated into the input circuitry of the GA-535L to insure that no degradation in performance would occur with different settings of the level controls. All operating parameters will remain the same at any position of the level controls (distortion, frequency response, bandwidth, damping, etc.). The only specification which will vary is the input sensitivity of the amplifier. Whereas the input sensitivity of the amplifier is 1 volt RMS, for full output, at the maximum clockwise position of the level controls, this sensitivity will be proportionately reduced as the level controls are turned counterclockwise from their maximum on position.Product Dimensions 17 W x 3 1?4 H x 12 1?2 D (432mm 83mm x 318mm) Shipping weight 22 lbs (10 kg) Input Voltage 120 VAC / 60HzTwo additional AC outlets for a CD Player, Tuner, or other audio components up to 100 watts, maximum.WARNING: You must connect all inputs and outputs before powering the amplifier. The GFA-535L is a high bandwidth and high current amplifier. Powering the amplifier with inputs and/or outputs not connected may result in RF detection which can destroy the output transistors and/or any connected loudspeakers. Please Note: For your information, we asked the specialist who worked refurbishing and preparing this unit for sale to briefly cite his qualifications for working on this equipment. Here is his reply:“Electronics technical credentialsI have greater than twenty five years of work experience in the design, manufacture and test of complex transducers for domestic and international customers. This included developing and interpreting circuit schematics and performing thousands of hand soldered joints while using professional test equipment for circuit verifications. Additionally, I taught numerous electronics technicians in fine detail hand soldering, as well as critical cleaning and encapsulation techniques of the resulting circuits. “ Please see our photos. They are both part of our description and of the actual item you will receive. We gladly answer questions and/or supply additional photographs. We ask that you make your inquiries prior to bidding. SHIPPING AND CONDITIONS:All our offerings are carefully packed, but we advise our buyers to take out insurance if they wish. We request payment within two days of an auctions close or immediately upon purchase of a Buy it Now listing.We can arrange combined shipping if you contact us prior to bidding on your first item. For combined shipping, you must purchase everything you wish to combine with this item within 74 hours of the first purchase.Your address must be current with eBay.Please contact us if you have any questions, concerns (or information) about this listing. We work hard to have full and satisfactory results for all parties in our transactions.
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