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Vacuum Tube Electronics by Tim de Paravicini
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INTEGRATED AMPLIFIERS |
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E.A.R. 834
Push-pull stereo integrated amplifier. 50 wpc into 4, 8, or 16 ohms. Uses 6L6, EL34, or KT66 output tubes. Self-biasing. Six line inputs and one tape output. |
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E.A.R. 8L6 Version of the 834 that can be used as an integrated amp or a power amp. No connection required between pre-out and amp-in jacks. 50 wpc into 4, 8, or 16 ohms. Uses 6L6, EL34, or KT66 output tubes. Self-biasing. Six line inputs and one tape output. |
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E.A.R. 899 Push-pull stereo integrated amplifier. 70 wpc into 4, 8, or 16 ohms. The 899 can be configured as an integrated amplifier or a power amplifier. Uses KT90 output tubes. Self-biasing. Six line inputs and one tape output. |
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E.A.R. 869 Version of the 859 that can be used as an integrated amp or a power amp. No connection required between pre-out and amp-in jacks. 13 wpc into 4, 8, or 16 ohms. Uses EL519 output tubes. Self-biasing. Six line inputs and one tape output. |
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E.A.R. V20
Push-pull stereo integrated amplifier operating in enhanced triode mode. 24 wpc into 4, 8, or 16 ohms. Uses 12AX7 output tubes (10 per channel). Self-biasing. Six line inputs and one tape output. |
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POWER AMPLIFIERS |
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E.A.R. 861 Push-pull power amplifier operating in pure Class A, enhanced triode mode. Zero overall negative feedback. 32 wpc stereo (bridgeable to 64 watts mono) into 4, 8, or 16 ohms. Uses EL519 output tubes. Self-biasing. Balanced and unbalanced operation. |
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E.A.R. 534 Push-pull power amplifier. 50 wpc stereo (bridgeable to 100 watts mono) into 4, 8, or 16 ohms. Uses 6L6, EL34, or KT66 output tubes. Self-biasing. Balanced and unbalanced operation. Available with black or chrome faceplate. |
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E.A.R. 890 Push-pull power amplifier. 70 wpc stereo (bridgeable to 140 watts mono) into 4, 8, or 16 ohms. Uses KT90 output tubes. Self-biasing.Balanced and unbalanced operation. |
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E.A.R. 509 Professional monoblock amplifiers. 100 wpc into 4, 8, or 16 ohms. Available with either RCA or true balanced inputs. No feedback used on the transformer secondary. Entirely stable into any load. |
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PREAMPLIFIERS |
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E.A.R. 912 A studio-grade preamplifier. Two phono inputs, both with switchable gain and input impedance. Trasnformer-coupled line stage with both balanced and unbalanced outputs. Two balanced line inputs, plus three unbalanced and a tape loop. Selection via reed relays. Meters give useful visual correlation of levels and ensure that phono gain settings are optimal. Contains five PCC88 tubes |
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E.A.R. 864 Full-function preamplifier with built-in MM/MC phono stage. Five line inputs plus tape monitor circuit. Balanced and unbalanced operation. |
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E.A.R. 834L Line-level preamplifier. Five line inputs plus tape monitor circuit. Available in deluxe chrome or economical "black box" versions. |
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E.A.R. 834P Switchable moving magnet/moving coil phono preamplifier. Available in deluxe chrome or economical "black box" versions. |
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E.A.R. 88PB Switchable moving magnet/moving coil phono preamplifier. Volume control allows direct connection to power amplifier. A buffer stage follows the volume control, using an output transformer which provides balanced or single-ended output at low impedance to drive long cables.Two inputs, one with switchable gain and input impedance (internal Mono/stereo switch. |
OTHER COMPONENTS |
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E.A.R. MC4 Step-up transformer, designed to provide moving-coil capability to a preamp that has a phono stage with insufficient gain, or to upgrade an existing phono stage. Four inputs, with voltage gain at x10, x20, x30, and x40. |
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E.A.R. 825Q Five-band stereo equalizer. Shelf filters give boost or cut in the bass and treble, with four corner frequencies and variable degrees of boost or cut, plus three tuned boost/cut filters with center frequency adjustable over a total range of 60Hz to 16kHz, giving a maximum boost or cut of 12dB. Bypass switch for quick reference to the original signal. Single-ended and balanced operation. |
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E.A.R. HP4 Headphone amplifier. Accommodates four pairs of headphones, two high impedance and two low impedance. Single-ended and balanced inputs and outputs. Controls include on/off switch for headphone outputs and mute switch for amplifier. |
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NEW PRODUCTS |
SOURCE COMPONENTS |
TUBE ELECTRONICS |
Class A Recommended Component
