Dynamo Amplification has added the GTS-C to its Grand Tour Series of high-gain/two-channel amps, which are built with audiophile-grade components and toroidal transformers. The C-series amps offer optional standard-grade component options and are available in a 1×12 combo, head, or 19″ rackmount version with 20 watts output (using two 6V6 output tubes), 50 watts (from two EL34/6L6 tubes), or 100 watts (from two KT90). Visit www.dynamoamplification.com.