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Audio and Video Talk
The Vintage Audio Section
1960's valve kit.
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<blockquote data-quote="charles" data-source="post: 674607" data-attributes="member: 2759"><p>The specification of the Geleso G-227A:</p><p></p><p>Power : 30 w (35 max)</p><p>Total distortion : 5%</p><p>Input sensitivity : micro 4mV (1 mΩ) ? phono 200 mV (1 mΩ)</p><p>Response : 30 ? 15 kHz (? 3 dB)</p><p>Hum & Noise : 68 dB below max output</p><p>Controreaction : 14 dB</p><p>Output impedance : 1.25 to 500 Ohms</p><p>Power requirement : 120-140 w</p><p>Tubes : (2) 12AX7 ? (1) 12AT7 ? (2) 6CA7</p><p>Rectifiers : B300/C200 ? B50/C200</p><p> </p><p>Dimensions : 39 x 22 x 21 cms</p><p>Weight : 12 Kgs</p><p></p><p>This seems to be also a very good guitar amplifier.</p></blockquote><p></p>
[QUOTE="charles, post: 674607, member: 2759"] The specification of the Geleso G-227A: Power : 30 w (35 max) Total distortion : 5% Input sensitivity : micro 4mV (1 mΩ) ? phono 200 mV (1 mΩ) Response : 30 ? 15 kHz (? 3 dB) Hum & Noise : 68 dB below max output Controreaction : 14 dB Output impedance : 1.25 to 500 Ohms Power requirement : 120-140 w Tubes : (2) 12AX7 ? (1) 12AT7 ? (2) 6CA7 Rectifiers : B300/C200 ? B50/C200 Dimensions : 39 x 22 x 21 cms Weight : 12 Kgs This seems to be also a very good guitar amplifier. [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
1960's valve kit.
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