2017年12月6日 · British Thomson-Houston, A1A type power amp, valve, 1950s (or earlier?), BBC studios? Never heard a pair but they seem well regarded and the BBC did use them. As I understand it they were a competitor to the Leak TL-12.1 and they certainly look decent with hefty transformers etc.

BTH , British Thomson-Houston Co, Ltd. from Amplifier Supply to 3-Valve Resistor Receiver, Great Britain (UK), 292 pictures, 5 schematics, 43 tubes, Radio

2014年5月16日 · FS - BTH Vintage Valve Amp with Matching Controller - Model A1A; If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. ...

Title: BTH A1A Amplifier and Controller Author: Paul Stenning Created Date: 16 August 1998 17:23

Get access to a comprehensive schematic diagram manual for the BTH A1A Power Amplifier. This manual offers step-by-step technical repair information, making it an invaluable resource for both professional mechanics and DIY enthusiasts.

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A1a光纤的直径是50um，包层是125um A1b光纤的直径是62.5um，包层是125um 50/125的光纤要比62.5/125的光纤带宽。 客服221号为你解答。微信缴费，一键查话费充值，流量、积分、账单、详单均可自助操作，方便快捷

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Most of our custom and modified interconnects come with low or no NRE charges, quick-turn samples, short lead times, and low or no MOQ’s. For BTH series, Samtec offers many …