Gryffles Posted October 21, 2019 Posted October 21, 2019 Item: DHT Preamp 01A Valves Location: 2148 Sydney Price: $750.00 Item Condition: Looks a bit rough but is well built Reason for selling: Upgrade Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: This has been my main preamp for a few years and is the second one I've owned. It was built by Radu Tarta: https://simplepleasuretubeamps.wordpress.com/about/ The circuit is based on Ale Moglia's circuit and uses his gyrator boards so there is no output transformer: http://www.bartola.co.uk/valves/dht-pre-amplifier/01a-preamp-gen2/ Here are some of the features: - Single stage preamp using the directly heated triode 01A valve with thoriated tungsten filaments - 18dB of gain - Coleman filament regulators supplied by separate PSU's - Lundahl 240v C Core mains transformer - V Caps and Dynamicaps on gyrator boards - Mills and Shinko resistors - Oil caps bypassed by silver mica in PSU - Mono Alps blue potentiometers - Shunt Regulated PSU - 6BY5GA rectifier - 01A sockets hung on rubber dampers If you have any questions please PM and I'll do my best to answer them. ELECTRICAL DISCLAIMER This product has not been manufactured by a qualified individual or company, therefore contains electrical circuits that do not necessarily comply with Australian Standards. I understand that as the seller, I may be liable to repercussions in the event of equipment failure. By advertising and selling this product, as the seller I also agree that I am solely liable, and the publisher of this website takes no responsibility for any injury or death resulting from, whether directly or indirectly, any accident that may happen as a result of the failure of the product being sold. If in doubt, seek the services of a qualified electrician to inspect the product to ensure it is safe for use. Photos: 1
Recommended Posts